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9000 Series Intelligent Pressure Scanners Users Manual

1. onoo amp 3rcz dcuz imensions 9020 9021 Mounting D Pressure Systems Inc 9000 Series Appendix I 9000 Range Codes following range codes are stored in each DH200 and digital 9400 and 9401 pressure transducer range code of each transducer can be read through the Read Internal Coefficient u command Full Scale Pressure Minimun Calibration Pressure E e uie 7 Pressure Systems Inc 9000 Series
2. N2 AIR SUPPLY PRESSURE 80 125 psi 560 860 kPA G rrenen svareus le FOR ON LINE REZERO CAL A HOST COMPUTER 9016 NO 1 Figure 2 8 Ethernet Network Topology Pressure Systems Inc 9000 Series 2 3 5 Diagnostic Port Hookup Each System 9000 module contains a Diagnostic Port that supports diagnostic and operational functions Diagnostic Port has only a simple RS 232 asynchronous serial interface For models 9010 9015 and 9020 the Diagnostic Port connections are made to the System 9000 connector labeled DIAG For model 9016 and 9021 the Diagnostic Port connections are made via certain pins of its common circular connector Cable connection should be made according to Table 2 2 Diagnostic port cables for the 9010 9015 and 9020 may be purchased from Pressure Systems P N 9095 Table 2 2 Diagnostic Port Wiring Host RS 232 System 9000 Connector Diagnostic Port Connector GND SHLD RS 232 DIAGNOSTICS The RS 232 interface is capable of supporting simple asynchronous communications with fixed parameters of 9600 baud no parity 8 data bits and 1 stop bit Only communication cable lengths less than 30 feet 10 m are recommended The diagnostic interface supports the full 9010 9015 and 9020 Optomux protocols When using only one of these modules the diagnostic interface may be used in place of
3. CALIBRATION MANIFOLD PC 206 Figure 5 2 Exploded View of 9016 Table 5 1 provides a convenient cross reference summary of the components found in each Intelligent Pressure Scanner This may be used as a guide to identify the appropriate component replacement sections in this chapter em pompe erae v v 7 E71 _ v v mens se 7 7 Table 5 1 Component Cross Reference Pressure Systems Inc 9000 Series 5 1 1 Common Maintenance Models The System 9000 Intelligent Pressure Scanners are designed for rugged use No special preventive maintenance is required although periodic maintenance may be required to replace worn or damaged components Upgrades or modifications of module hardware or firmware may also be required periodically For users who wish to do their own maintenance and repairs maintenance kits and replacement parts for each model may be purchased from the factory When performing any type of maintenance of System 9000 components the following guidelines and precautions should always be followed Verify that the work area and technicians are properly grounded to prevent damage to electronic components due to electrostatic discharge Ensure that all electrical and pneumatic connections have been removed from the module Ensure that the work area is free of dust and other possible contaminants
4. Hex The above position field with all applicable bits set 1 e FFFF for 16 channel module specifies all channels However a module independent variation allows a missing position field to designate all channels but only when there are no other parameters following the position field in the command For such commands the hex position field may be reduced to 3 2 or 1 characters when no channel bits need be set 1 in the discarded high order characters nibbles The channel data requested will always be returned in order of highest requested channel to lowest requested channel 3 1 2 5 Models Modifier Field The flexible modifier field accommodates multiple data values that need to be sent to any module This field is optional and dependent on the command sent to the module When a command supplies data values for multiple channels thus requiring multiple modifier fields they must be specified from left to right in order of highest channel number to lowest channel number For example consider the modifiers for a command that sends channel specific data for four 4 channels for Highest Chan for Lowest Chan Modifier 1 Modifier 2 Modifier 3 Modifier 4 Pressure Systems Inc 9000 Series The size of the modifier field is variable based on the command type and the format in which the data is transferred Some commands use a variable length string notation for a modifier field to allow fixed point decima
5. 0 0003 FSPC FSPC FS psi FS psi FS psi Use of purge is optional Range lt 2 5 psi 20 kPa Range gt 2 5 psi 20 kPa Range lt 2 5 psi 20 kPa Range gt 2 5 psi 20 kPa 940x Range lt 750 psi 940x Range gt 750 psi Range lt 2 5 psi 20 kPa Range gt 2 5 psi 20 kPa 940x with digital comp 940x with analog comp Range lt 5 psi 35 kPa Range gt 5 psi 35 kPa amp Range lt 100 psi 700kPa Range 100 psi 700 kPa Pressure Systems Inc 9000 Series ono sore Voltage 0 5 4500 to 4500 mV Measurement 0 250 to 250 mV 100 to 100 mV 50to50 mV Notes Table 1 1 above Standard ranges listed consult factory for special ranges Maximum applied pressure without reducing sensor performance within operating pressure range Static accuracy includes combined errors due to non linearity hysteresis and non repeatability per ISA S51 1 Includes thermal effects of zero amp span relative to 25 C For 902x scanned channels used in voltage measurement mode Table 1 2 More Specifications oos 9020 DATA SCAN amp TRANSFER RATES Measurement Scan Rate via RS422 485 Host Port meas ch sec 9010 9015 9020 via Ethernet Host Port meas ch sec Ethernet avail on 9016 and 9021 Host Port Baud Rate RS422 485 Optomux 3 1200 to Baud 9010 9015 9020 only 38400 Ethernet TCP IP Mbits sec 9016 9021 only Diagnos
6. 4 Ensure that the three 3 solenoid manifold O rings are present and free of contaminants Replace the solenoid with the new one by carefully aligning and gently tightening the screws Pressure Systems Inc 9000 Series 5 Attach the wiring harness to the solenoid and connector P6 of the PC 203 or PC 280 CPU board 6 Reassemble the module 7 Test your scanner to ensure proper operation 5 1 6 Replacement of O Rings Pressure Systems calibration valves include static and dynamic o ring seals When used properly the rated durability of the dynamic o rings is in excess of 1 000 000 shifts of the calibration valve procedures described below should be used for replacement of all the O rings in the models 9010 9015 and 9016 Intelligent Pressure Scanners Use the tools and follow the general warnings already described at the start of Section 5 1 The material needed for the O ring replacement can be acquired through the proper maintenance kit available from Pressure Systems Specifically needed for these procedures are calibration manifold and piston O rings a fast evaporating cleaning fluid i e acetone alcohol etc 50 PSI dry air supply and Krytox Fluorinated grease read product warnings and recommendations thoroughly Service of O ring seals requires a clean working environment Introduction of contaminants to the O ring or internal calibration manifold surfaces can result in internal pneumatic leaks 5 1 6 1 DH20
7. of a particular specified host stream st 1 3 or stops the current run of all configured host streams with a single command st 0 stopped stream be restarted for any new runs with the Start Stream subcommand as long as that stream remains defined in the module The Clear Stream subcommand may be used to undefine a stream Examples 1 Stop all the streams configured in the previous example c 02 0 Pressure Systems Inc 9000 Series Command c Subcommand Index 03 Clear Stream This subcommand is used to undefine any previously configured host stream in a module one at a time or all together The Clear Stream subcommand s format is mE Core String Full Optomux String Command c 03 st unimplemented 15 command letter 03 is the subcommand index ii for Stop Stream st is the stream identifier character 0 all or 1 2 or 3 NOTE all parameters are separated by a blank character Response AU unimplemented is the acknowledge letter Autonomous none generated unimplemented Packet Description This subcommand undefines the particular specified host stream st 1 3 or undefines all configured host streams with a single command st 0 Examples 1 Stop all the streams configured above Then clear undefine only stream 3 and then restart the remaining defined streams 1 and 2 c 02 0 03 3
8. 1 input 1 char from COM Port IF CharIn Terminator THEN ResponseS Response CharIn ENDIF END Elapsed TIMER OldTime Elapsed lt 0 THEN Elapsed Elapsed 86400 DIF END F Elapsed gt TimeOut TH ERRCODES 1 TE URN Pressure Systems Inc 9000 Series This page intentionally left blank Pressure Systems Inc 9000 Series Appendix H Mounting Dimensions 9010 15 Mounting Dimensions 9016 Mounting Dimensions 9020 9021 Mounting Dimensions Pressure Systems Inc 9000 Series edi 007 154 001 Alddns day Nnu o 60 dau 1V9 i 42242 1 222mm 9 50 257 65mm 241 4 Places Et A t 9010 15 Mounting Dimensions Pressure Systems Inc 0 25 7mm 4 places rmoos J 8 75 222mm 9 50 241mm 9016 Mounting Dimensions 9000 Series 9000 Series Pressure Systems Inc 257 6 5mm 4 PLACES elelelel gt o xz III z gt lt 5 a
9. 9010 9015 9016 only Number of Samples for Data Averaging is set to 32 samples all models or to the last value selected by the configuration DIP switch models 9010 9015 and 9020 only Multidrop baud rate is set to 9600 baud or to the last value selected by the configuration DIP switch models 9010 9015 and 9020 only data stream scan lists are reset 9016 and 9021 only Examples 1 Send command to model 9015 Optomux module with node address 6 to set reset defaults include A8 hex checksum in command SO6BA8r Read following response Send command to model 9016 TCP IP module via open socket to set reset defaults Read following response Pressure Systems Inc 9000 Series READ SCALED ANALOG INPUTS Standard Command L 9010 9015 9020 only Purpose Returns the input value s in standard Optomux scaled units of each requested channel a Core String Full Optomux String Command Response Description Alternative Examples 1 L pppp gt aaL pppp ssr L is the command letter see Section 3 1 2 1 for aa and ss pppp is the optional position field extra Optomux field definitions dddd Adddd ddddssr is the acknowledge letter dddd dddd are the returned data fields The position field may have 0 4 characters If no position field is specified a data field will be
10. Delay is calculated as the last byte of Ethernet Address 20 uSec Enable use of Back Off Delay for Transmitted TCP IP Messages using specified backoff field s value bbbb 20 microseconds Max bbbb 8000 for model 9020 and 9021 only reserved for 9010 9015 or 9016 Set Amplifier Gain to 5000 mV FS Range default Set Amplifier Gain to 250 mV FS Range G 20 Set Amplifier Gain to 100 mV FS Range G 45 Set Amplifier Gain to 50 mV FS Range G 90 oc N for model 9016 and 9021 only data field contains command response only default Include 2 byte binary value at the beginning of TCP IP data field containing total length of TCP data returned See Section 3 1 3 5 oc 13 0 1 Modification of option index 13 14 or 16 hex will result in the specified operating mode becoming the new module power on default All other configuration parameters must be saved to module Flash memory in order to be retained after module power cycles Pressure Systems Inc 9000 Series Examples 1 Send command to Optomux module 8 setting the Cal valve to the Cal Rezero position include B3 hex checksum 208w0CO1B3r Response will normally be Send same command above to TCP IP module via its connected socket w0CO1 Response will normally be Pressure Systems Inc 9000 Series 3 3 Obsolete Commands Users of older model 9010 and 9015 modules will notice that
11. PRESSURE SYSTEMS 9000 Series Intelligent Pressure Scanners Users Manual Models 9010 9015 9016 9020 9021 Ath Edition March 1998 Pressure Systems Inc 34 Research Drive Hampton Virginia 23666 757 865 1243 FAX 757 766 2644 E Mail sales psih com Web www psih com Pressure Systems Inc 9000 Series REV REVISION HISTORY PRINT DATE Original 2nd Edition 3rd Edition add Model 902x and 9016 4th Edition Pressure Systems Inc 9000 Series PREFACE This manual describes all the System 9000 Intelligent Pressure Scanner modules models 9010 9015 9016 9020 and 9021 It is divided into seven 7 chapters and several 7 appendixes each covering a specific topic These are summarized below Chapter 1 General Information describes the Models 901x and 902x Intelligent Pressure Scanners their specifications and their various options Chapter 2 Installation and Set Up describes the unpacking and inspection of a module and its connection to power pressure and a communications network Chapter 3 Programming amp Operation provides the information needed to program a module from a host computer and to get meaningful data from it Chapter 4 Calibration describes methods of calibrating a module Chapter 5 Service describes general safety precautions and maintenance procedures Chapter 6 Trouble Shooting describes module troubleshooting techniques Appendix A All Commands Quick Re
12. Replace the six 6 Phillips head screws that pass through the top plate to secure the calibration valve assembly Tighten evenly making sure that the screws are only finger tight plus 1 8 turn It is important not to over tighten the screws since the pneumatic seal is made using dynamic O rings 8 Reassemble the module 9 Test your scanner to ensure proper operation 5 1 6 3 Adapter Plate O Ring Replacement 9010 9015 9016 only The following is a step by step procedure to replace an Adapter plate O Ring in a model 9010 9015 or 9016 Intelligent Pressure Scanner The adapater plate is located opposite of the tubing plate on the calibration manifold All DH200 transducers are attached to the adapter plate 1 Disassemble the module as described in Section 5 1 2 2 Remove the PC 206 Amplifier Multiplexer board as described in Section 5 1 3 1 Lay the circuit board to the side on an anti static surface 3 Remove the six 6 3 32 Allen head screws that secure the adapter plate to the calibration valve housing To remove the two 2 center screws you must remove the DH200 transducers near the screws Make sure to note the DH200 serial number and location The plate should be gently lifted from the calibration housing Carefully rotate or slide the adapter plate back and forth pivoting on the guiding pin about 1 8 four times This is done to loosen the O rings from the calibration manifold Lift the adapter plate straight up Do n
13. The Host Port s cable is not fabricated correctly or has a broken or shorted conductor Host Port cable is not attached to the proper COM port The Host Port cable is not installed in the module HOST connector The COM port is not configured for the proper base address and interrupt level The COM port hardware has failed If the above test does not function correctly the cause of the problem must be resolved before going any further If the loopback test worked correctly remove the jumpers between the Tx and Rx signal pairs and reinstall the cable to the module s Host Port Issue the INIT COM PORT command again to flush any spurious characters that may have been received in the PC Cycle power on the System 9000 module to ensure spurious characters have not been received by the module Wait for the module to complete the power up cycle Issue the INIT MODULE command verifying that the module node address box matches the address set on the module Module commands should be shown in the SENT box and module responses in the RCV box Watch the module Tx and Rx LED s for brief activity when confirming the INIT MODULE command If the software indicates a communications error when attempting to communicate one of the following has probably occurred The System 9000 module is configured for a different baud rate than the host computer System 9000 module is configured for a different node address than the one entered in the INIT
14. extra Optomux field definitions is the array index field cc cc is coefficient index contiguous range Standard A dddd dddd A dddd dddd ssr Response A is the acknowledge letter ss is checksum w leading blank dddd are the data fields w leading blank Alternate dddd dddd unimplemented Response model 9016 dddd are the data fields w leading blank and 9021 Description 1 character format field f is a single decimal digit that defines the format of each returned datum in the response AII data fields returned and the Optomux checksum will be preceded by a space character Most coefficients have a floating point datum type f 0 1 while others have an integer datum type f 5 Requesting an improper format will result in an error response Valid format types for coefficients are shown in the following table ASCII data field returned internal datum before formatting 11 decimal fixed point number 32 bit binary IEEE single precision float 6 digits after decimal point with sign and extra leading spaces as needed per the value shown 8 char hex number big endian 32 bit binary IEEE single precision float 8 char hex number big endian 32 bit binary integer The 2 character array index field aa is a hexadecimal value selecting a particular internal coefficient array The first array index 01 refers to channel 1 s transducer
15. only local terms the module s volatile main memory RAM are updated Under normal operation it is not recommended to store these new coefficients in transducer non volatile memory Instead the rezero should be performed at regular intervals Refer to Section 4 4 if it is desired to also store these new rezero terms in transducer nonvolatile memory 4 2 1 Rezero Calibration Valve Control When instructed to execute a Rezero Calculate and Set Offsets h command the model 9010 9015 and 9016 modules will normally shift the internal calibration valve into the CAL position and use the pressures present at the CAL and CAL REF inputs for the minimum e g zero calibration pressure After the Rezero adjustment is complete the calibration valve will be placed in the RUN position This automatic shift of the calibration valve can be disabled through use of the Set Operating Options w command This allows independent control of the calibration valve by the user using other options see option index hex of the same command Pressure Systems Inc 9000 Series 4 2 2 Rezero Calibration Summary The following is a simple step by step procedure for executing a rezero calibration of a 9010 9015 or 9016 Intelligent Pressure Scanner Description TCP IP Data Optomux Command Disable automatic valve shifting after module power up optional 0 01 gt 010B01 normal data acquisition Apply 0 0 psi differen
16. they are for channels 8 7 6 5 and 4 Please note that the A acknowledge value is not used by the 9016 when actual data is returned Pressure Systems Inc 9000 Series READ TRANSDUCER A D COUNTS Non Standard Command a 9016 9021 only Purpose Returns the most recently acquired raw pressure data for the specified channels in averaged A D counts in the range 32768 to 32767 This simple data bypasses any usage of the transducer s factory calculated coefficients or the final calibration process s adjustment coefficients offset and gain Each datum returned in the response will be in the specified high precision data format but representing A D counts as a truncated integer average This command is intended for advanced users only and is not required for normal operation SSS Core String Full Optomux String Command appppf unimplemented is the command letter pppp is the position field P 1s the format field Response dddd dddd unimplemented dddd are the data fields each with leading space except binary format 7 Description 4 character hex position field pppp specifies 16 bit binary bit map with each bit set to 1 specifying a particular channel number 16 1 left to right The 1 character format field f specifies the format of each data field dddd that will be returned in the requested response The first datum returned in the response will be for the highest
17. 005390 2 500001 Pressure Systems Inc 9000 Series CALCULATE AND SET GAINS Standard Command 72 Models Purpose Instructs a module to calculate new gain coefficients with either full scale or a specified pressure value applied to the specified channels These new coefficients update the module s internal calibration coefficient table used to convert any subsequent raw data from any of the specified channels into engineering units data Calculated gain values are returned in the response s data Core String Full Optomux String Standard Zpppp vv vvvv gt aaZpppp vv vvvv ssr Command Z is the command letter see Section 3 1 2 1 for and ss is the position field extra Optomux field definitions vv vvvv is an optional fixed point decimal value string preceded by a space character Standard dddd Adddd ddddssr Response 9010 9015 is the acknowledge letter 9020 only dddd are the scaled gain data values returned Alternate g gggg g gggg Response 9016 and 9021 g gggg are the actual floating point gain data only values returned and are separated by a space Description position field may have 0 or 4 characters If no position field is specified gain coefficients for all module input channels will be calculated and returned If a position field is specified gain coefficients for only the channels whose bits are set
18. 9 and 2 10 should be used Figure 2 9 shows proper cable interface to the 9020 transducer interface connector This connector is an 8 position pluggable terminal strip Figure 2 10 shows proper cable wiring to the 9021 transducer connectors The 9021 makes use of 9 pin D shell mating connectors Additional wiring diagrams can be found in Appendix E 2 3 7 2 Installation of All Other Transducers If other analog output transducers are used with the 9020 or 9021 they must provide an analog output less than the 902x maximum input range of 5 VDC These transducers can be interfaced to the 9020 and 9021 as shown in Figures 2 9 and 2 10 When using external transducers the 9020 and 9021 modules provide a 15 VDC unregulated supply voltage to power the transducer 2 3 8 Case Grounding All Models Analog Output Transducer Analog Output Transducer 15 VDC Supply 1 15 VDC Supply B Transducer Pressure Voltage 2 Transducer Pressure Voltage 3 Signal Ground 8 Power Ground 5 1 9400 9401 Transducer 9400 9401 Transducer 15 VDC Supply C i Transducer Pressure Voltage 1 15 VDC Supply C Signal Ground H Power Ground 2 Volt Signal Ground transducer Pressure Voltage Transducer Temperature Voltage Serial Clock SCLK 3 Signal Ground 4 Transducer Temperature Voltage Serial Data SDATA 5 Ser Clack SCLK 5 VDC Supply 6 Serial Data SDATA Power
19. 9021 only Purpose Returns the most recent scanned averaged data from all channels of the module as fast as possible Data is returned in internal IEEE single precision float binary form It is used as a faster alternative to the Read High Precision Data r command since b does not have to parse the position or format parameters nor does it have transform or encode the internal data into any other format when the response is generated Core String Full Optomux String Command Response Description Examples 1 p unimplemented b is the command letter aaaabbbbcccc dddd unimplemented each 4 byte datum e g is an unprintable binary 32 bit value format 7 representing an IEEE single precision floating point Always returns data for all of the module s channels in order highest channel number to lowest channel number Thus for a 9016 channel 16 will always be the first 4 byte 32 bit binary big endian IEEE floating point value aaaa sent in the response It is followed by similar values bbbb ccce for channels 15 14 1 Please note that no A acknowledge character is included in this response Unless the E U conversion scalar is altered the returned data will be in units of psi Send command to a model 9016 module via its socket connection to return data as fast possible
20. Each module expects all such requests for connection to be requested by its Address and directed to well known port 9000 After the connection is made a socket is established as a logical handle to this connection The host and module may then communicate via this socket by writing standard Optomux commands and reading standard module responses core parts only 3 1 2 Commands Models An Optomux command used by all models is a series of ASCII characters The RS 232 and RS 422 RS 485 links used in the 9010 9015 and 9020 require that all data be transmitted as printable ASCII characters When binary data values are transmitted they are typically converted to ASCII or ASCII hex representations Such hexadecimal parameters may include the ASCII number characters 0 through 9 and the uppercase ASCII characters through The TCP IP protocol used on the 9016 and 9021 does allow for the transfer of either printable ASCII characters or binary data 3 1 2 1 General Command Format Models The standard Optomux command packet has a prefix consisting of a start character gt and a 2 character hex node address This is followed by a core consisting of a 1 character command an optional position field and optional and variable length modifier fields Finally it ends with a suffix consisting of a 2 character hex checksum and 1 character delimiter always an ASCII carriage return or r The standard command packet
21. Ground 8 Power Ground ia 1 alel bE 5000001 P2 00000 PO 309096 00006 500000 8900084 gt Pressure Systems Inc 9000 Series The Model 9010 9015 and 9020 Intelligent Pressure Scanners are shipped from the factory with the module case connected to power common Users requirements and environmental conditions will define individual case grounding requirements module case may be made electrically isolated by installing an insulating washer between a mounting screw and a copper trace on the PC 203 circuit board do this first refer to Section 5 1 2 for instructions on accessing the internal electronics Then remove the mounting screw nearest the configuration DIP switch 50 as to expose the copper trace on the printed circuit board Next place the insulating washer over the mounting screw and reinstall the screw Spare insulation washers are included in the module 9016 and 9021 contain a case bypass capacitor which allows the module case to be mounted on hardware with a small common mode line voltage less than 20 Volts 2 3 9 Trigger Input Signal 9016 9021 only The Models 9016 and 9021 each support the use of a data acquisition synchronization or trigger signa
22. If any other type of RS 232 to RS 422 converter is used refer to its documentation to verify the proper assignment of pin numbers Verify that the baud rate is set to same value for both the host and 9000 module 9600 baud is factory default The procedure for setting a module s baud rate is described in Section 2 3 4 1 6 The host computer s baud rate should be configured through the INIT COM port menu as previously described For testing purposes set the module node address to 01 This is accomplished by placing switch 1 in the OFF position and all other switches 2 9 in the ON position Turn module power off and then on again after setting the node address switches Remove the HOST connector from the System 9000 module At the end of the cable jumper together the TxA signal to the RxA signal and the TxB signal to the RxB signal This creates a loopback Pressure Systems Inc 9000 Series configuration where the output from the host RS 422 port will be echoed back into the host computer Using the START program type a command using the RAW COMMAND menu selection After pressing the enter key the command typed should be displayed in the SENT display box at the bottom of the screen The RCV box should display the same data sent since the transmit and receive lines are jumpered together If the sent data is not echoed in the RCV box one of the following has probably occurred The PC s COM port was not initialized before sending data
23. If it is not possible to provide this exact pressure as when calibrating an absolute pressure transducer the alternate form of this command should be used This allows the host to specify the exact minimum pressure applied to the transducers being calibrated Pressure Systems Inc 9000 Series This page intentionally left blank Pressure Systems Inc 9000 Series ee Chapter 7 Start Up Software 7 1 Introduction The System 9000 Start Up Software sometimes called simply START is provided to all customers who have purchased a System 9000 Intelligent Pressure Scanner The Optomux 9010 9015 and 9020 are all supported by the same start up software the 9016 and 9021 are supported by a TCP IP specific version of the start up program This software is provided as a Windows installable application The Optomux start up software for the 9010 9015 and 9020 is also available as a DOS only application The Start Up program is easy to use and requires minimal user input It can be setup to communicate with up to eight 8 different modules but only one module can actually be operated at a time The software can perform simple data acquisition and calibration functions by converting easy to understand pull down menu functions into module specific commands The software also allows the user to enter and transmit raw commands to the module which are typed directly into a transmit dialog box This provides user s with a simple method for experi
24. Release the mouse button to choose the COM port The valid COM ports are 1 4 To change the baud rate press the TAB key until the Baud Rate box is highlighted Use the Arrow keys to choose the value desired The mouse can be used by pointing to the selection bar and holding down the left mouse button while dragging the selection bar Release the mouse button to choose the COM port The current choices for Baud Rate are 2400 4800 9600 19200 38400 baud To change the Time Out value press the TAB key until the Time Out box is highlighted Enter the new numeric time out value Please note that this number should never be less than 10 seconds if module rezeros are to be executed Once done changing these values TAB to the OK button and Press ENTER The COM port chosen will be initialized with the new values You may also press the F1 key to initialize the COM port with the existing parameters Press the ESCAPE key to do nothing and exit the submenu 732 Units This submenu allows the user to change the engineering units that are displayed during data acquisition Available display units are as follows 0 Inches of Water Column PSI 27 708 PSI Pounds per Square Inch InHg Inches of Mercury PSI 2 042 KPA kiloPascals PSI 6 8948 Mbar milliBars PSI 68 948 Atmospheres PSI 6 805 x 10 BAR Barometric Pressure PSI 068948 To change to new units press the first letter of the unit desired or
25. RxB or TxA and TxB Proper termination is increasingly important as RS 422 line lengths and baud rates increase Each module internally contains selectable 120 ohm termination resistors for both the transmit and receive signal pairs Each module is shipped with these resistors disabled The last module in the communications network must have these termination resistors enabled to properly terminate the differential transmission lines Proper termination may be provided by enabling the built in resistors as described below or by installing external termination resistors directly to the last module s NEXT connector Depending on the type of RS 422 485 hardware used on the host computer it may also be necessary to use biasing resistors on the network s transmit and receive signal pairs Biasing resistors are used to ensure that the signal pairs are left in a MARK or IDLE condition when the line transmitter s are in a high impedance state Without biasing the floating signal pairs are susceptible to false bit transitions as a result of surrounding EMI Such false transitions can result in unwanted character echos as well as receiver framing errors Each module contains selectable 10K ohm biasing resistors for both the transmit and receive lines but it is shipped with these resistors disabled Signal biasing may be provided by enabling the built in resistors as described below or by or by installing external biasing resistors directly to any module s HOS
26. The Read Internal Coefficients u command and the Download Internal Coefficients command can return or manually set calibration coefficients to the host in higher resolution formats e g IEEE floating point 3 1 4 4 Acquisition Delivery of Data To Host Models The remaining commands apply to host data delivery Models 9010 9015 and 9020 may use the Read Scaled Analog Inputs L command which returns standard Optomux scaled data values with limited resolution for only the channels desired For all models the alternate Read High Precision Data r command may be used to obtain high precision data in various formats Due to its increased precision and conventional data formats the Read High Precision Data command should generally be used The Read Scaled Analog Inputs command is maintained mainly for compatibility with third party Optomux software packages In addition to command r above the model 9016 and 9021 provide several high speed high resolution output commands The Read High Speed Data b command is used to read pure binary engineering unit pressure data with minimum overhead all 16 channels are automatically returned These modules can also acquire these data in streams which consist of TCP IP data packets that arrive autonomously in the host with e u pressure data from various channels being delivered in various formats at various rates Up to three independent streams may be configure
27. Topology 9020 Transducer Wiring 9021 Transducer Wiring Calibration Manifold RUN Position Calibration Manifold CAL Position Calibration Manifold PURGE Position Calibration Manifold LEAK CHARGE Position Vli Pressure Systems Inc 9000 Series TABLE OF CONTENTS continued Figure 5 1 Exploded View of the Model 9010 Figure 5 2 Exploded View of the Model 9016 Figure 5 3 9010 Instrument Out of Extrusion Figure 5 4 9016 Instrument Out of Extrusion Figure 5 5 203 Board Figure 5 6 280 Board Figure 5 7 View of DH200 Figure 5 8 Solenoid in Module Table 1 1 Specifications Table 1 2 More Specifications Table 2 1 Configuration Switch Definitions Table 2 2 Diagnostic Port Wiring Table 3 1 Optomux Error Codes Table 3 2 Optomux Output Valves Table 3 3 Optomux Commands Table 5 1 Component Cross Reference Viii Pressure Systems Inc 9000 Series Chapter 1 General Information 1 1 Introduction This manual contains the information needed to install operate and program the System 9000 Intelligent Pressure Scanner modules model series 901x and 902x Where applicable each section is labelled as to which models it applies Models 9010 9015 and 9016 are pneumatic intelligent pressure scanners each with integral pressure transducers and a pneumatic calibration manifold They differ primarily in the number of pressure transducers 8 or 16 of the DH200 type
28. acquisition Pressure Systems Inc 9000 Series 3 1 4 2 Scan Definition for Acquisition Models After power up all System 9000 modules will begin to scan all attached transducer channels in channel number order The data is stored in an internal buffer available for retrieval by the host computer Scanning will occur at the module s maximum internal rate using the previously stored number of data averages per channel Engineering units conversion of the scanned channels is accomplished using thermal correction data extracted from each transducer at power up While scanning the module will automatically monitor the attached transducers temperature correcting engineering unit output for any temperature affects System 9000 models effectively defer the host computer s decision of which channels of data do I want until that time when the host chooses to send read commands to actually retrieve the desired data from the latest buffered copy of the continuously scanned averaged and engineering unit converted data Commands such as Read Analog Data L Read High Precision Data and Acquire High Speed Data b are typically used to retrieve the desired engineering unit data from the module The Ethernet model 9016 and 9021 also continuously scan average and convert data to engineering units as described above However they also have a special Define Control Host Streams command that can define and contro
29. adjustment or simply Rezero Cal The Rezero calibration will result in a recalculated offset coefficient for each channel being calibrated which automatically compensates for any transducer offset drift errors Since the factory set coefficients in each transducer that characterize both pressure and temperature are extremely stable over time these simple offset corrections compensate for the majority of transducer errors over time For this reason a Rezero may be the only calibration adjustment required by many applications An optional Span calibration adjustment is also available for those applications requiring more accuracy For the models 9010 9015 and 9016 with integral DH200 pneumatic transducers internal manifolds and valves allow a Rezero calibration to be accomplished easily and automatically For the model 9020 and 9021 which have external 9400 9401 or 9402 all media transducers the user must perform off line rezero or supply any necessary valves and controls to accomplish the application of a minimum pneumatic or hydraulic pressure to these transducers When instructed to execute a Calculate and Set Offsets h command the System 9000 module will automatically perform the Rezero adjustment calibration and then update the offset coefficients in its memory It will subsequently use the newly calculated terms for all future engineering unit calculations Note When using the Calculate and Set Offsets command h
30. allowing it to be interconnected in a network with other modules and a host computer Models 9010 9015 and 9020 have an asynchronous serial RS422 485 Host Port using a multi drop Optomux protocol The model 9016 and 9021 have an Ethernet Host Port using TCP IP transmission protocol but retaining basic core Optomux command response formats If you have the model 9016 or 9021 proceed directly to Section 2 3 4 2 the following subsections pertain to the 9010 9015 and 9020 Host Port 2 3 4 1 Multidrop Serial RS 422 485 Host Port Hookup 9010 9015 9020 only Model 9010 9015 and 9020 modules along with other modules such as the 903x and 9040 may be interconnected in a network with any host computer via their Host Port s RS 422 485 asynchronous communications interface A module s two 6 pin pluggable terminal connectors are used for multidrop communications interface wiring and are labeled HOST and NEXT on each module The HOST connector connects a module to the host computer or to the previous module s NEXT connector in multiple module configurations The NEXT connector is used to extend the multidrop communications signals to the next instrument in the network The last module in the network requires no connections to the NEXT connector but may require special internal terminations described below Pressure Systems Inc 9000 Series Host computers with only an RS 232 interface such as the COM port of a PC may use an external
31. engineering unit volts By default all such voltage channels will measure 5 volts full scale However the user may specify any of three 3 more sensitive voltage ranges using the Set Operating Conditions command see option index 15 hex For reference when operating the 9010 9015 or 9016 calibration manifolds Figures 4 1 thru 4 4 show simplified pneumatic diagrams of the calibration manifold in its various operating positions Models 9400 and 9401 greater than 750 psi all 9402 and other analog only transducers do not contain internal calibration data These units are generally measured as scaled voltages only Pressure Systems Inc RUN POSITION CTA DH200 TRANSDUCER TO NEXT TRANSDUCER FIG 1 PURGE POSITION lm DH200 TRANSDUCER Ze l lt tc o TO NEXT TRANSDUCER FIG 3 9000 Series CAL POSITION DH200 TRANSDUCER TO NEXT TRANSDUCER FIG 2 LEAK CHARGE POSITION Px DH200 TRANSDUCER TO NEXT TRANSDUCER FIG 4 Figures 4 1 4 4 Pneumatic Diagrams of the Calibration Manifold Pressure Systems Inc 9000 Series 4 2 Rezero Calibration The System 9000 Intelligent Pressure Scanners are capable of independently performing a transducer calibration function referred to as Rezero
32. has the following format when full Optomux protocol is used lt prefix gt lt gt lt suffix gt His Node Address UN Position Field Modifier s Checksum Eg optional optional For the model 9016 and 9021 with Ethernet Host Port where TCP IP protocol is used only the central core of each Optomux command need be transmitted to the socket a previously opened and dedicated logical connection to the desired module Thus the left prefix and the right suffix are not used as TCP IP protocol adds strips such control and destination information by means invisible to the host programmer Some commands use variations of the standard position and modifier fields above which are generally given other field names when they appear Also such fields may be specified in other than a hex format Such formats are clearly marked in each command description 3 1 2 2 Node Address Field 9010 9015 9020 only node address field is actually the unique 8 bit binary node address of the module to receive the command The node address is expressed as two hexadecimal characters in the Optomux command The values of this field ranges from 01 hex to FF hex 1 255 decimal The node address is determined by the setting of the modules top panel DIP switch as described in section 2 3 4 1 5 Models Pressure Systems Inc 9000 Series 3 1 2 3 Command Field The Optomux protocol has a predefined stand
33. is off verify that the module is properly connected to the communications hub or switch Verify proper power is applied to the hub Also try connecting the 9016 or 9021 cable to a different port of the hub Note that most hubs have similar link LED s to indicate proper connection to the hub itself If present verify that the hub link LED for the pressure scanner and the host computer are both active If the hub is functioning correctly verify that the communications pins in the module interface cable are wired as described in section 2 3 4 2 and Appendix E CAL LED should remain OFF PRG LED should remain OFF Busy LED should blink 8 16 times at a rate of approximately 1 Hz slower for 9021 delay ON for approximately 5 seconds and then start to continuously blink at approximately 100 Hz rate dependent on number of internal averages This faster toggle rate may simply appear as a dimly lit LED Note that the Busy LED will not begin its 100 Hz toggle rate if the RARP BOOTP protocol is enabled and the module has not received a proper IP address response Any significant variation from this power up LED sequence is an indication of a possible cabling or PC 280 microprocessor board error If the proper power up LED sequence is not achieved after following the above suggestions contact the repair department at Pressure Systems for additional assistance 6 2 2 Checking Module TCP IP Communications If the LED indicators of the 9016 or 9021 are c
34. lt gt 0 THEN print RESPONSE FROM MODULE else print Response endif ENDIF Selection 4 THEN Send Calc and Set Gain print 01ZFFFF Send the Actual Command print 012FFFF print the Actual Command to Screen LOCATE 18 15 print Waiting for Response LOCATE 19 18 GOSUB GetResponse Get response from the Module if ERRCODE S lt gt 0 THEN print RESPONSE FROM MODULE else print Responses endif ENDIF IF Selection 5 THEN LOCATE 21 15 print Hit any key to continue while INKEYS wend CLS ENDIF Pressure Systems Inc 9000 Series VKKK Ck Ck Ck Ck Ck Ck Ck Sk Ck Ck Ck kk Ck Ck Ck Ck kk kk Ck Ck kk kk kk Sk Kk kv Mk kv ko ko ko SubRoutine GetResponse This subroutine will input from the Com Port chars until it Toe receives the Termination CHaracter or times out The Error Code is returned as follows e 0 Successful completion 1 Timed Out KR KK KEK KKK KR KKK KKK KEK KKK KR KKK KKK KKK KKK KK KKK KK KKK GetResponse ResponseS Response string CharIn Elapsed 0 TimeOut 10 Timeout to wait for response is 10 seconds OldTime TIMER get current tim WHILE Elapsed lt TimeOut AND CharIn lt gt Terminator WHILE LOC 1 lt gt 0 AND CharIN lt gt Terminator CharIn INPUTS 1
35. of a specific span pressure exceeds the proof pressure rating of any other transducer contained within the same scanner the calibration pressures must be applied to the RUN side pneumatic input ports Pressure Systems Inc 9000 Series 4 3 2 Span Calibration Summary The following is a simple step by step procedure for executing a span calibration of a 9010 9015 or 9016 Intelligent Pressure Scanner It is assumed that all channels in the unit are of the same full scale pressure range Description TCP IP Data Optomux Command Disable automatic valve shifting after module power up optional 0 01 gt 010B01 normal data acquisition Perform Rezero calibration Place the module calibration manifolds into the CAL position gt 01w0C01 Apply exact full scale pressure to the module CAL and CAL REF inputs Delay for settling of pneumatic inputs if Instruct module to calculate new gain coefficients for all 16 channels gt 01ZFFFF Verify measured data reads expected full scale optional rFFFFO 201rFFFF0 Place calibration manifold back into the RUN position 0 00 gt 01w0C00 Store new gain coefficients to transducer nonvolatile memory w09 gt 01w09 continue normal data acquisition following is a simple step by step procedure for executing a gain calibration of 9010 9015 or 9016 Intelligent Pressure Scanner For the purposes of this example it will be assumed that an upscale press
36. parameters are separated by a blank character Response unimplemented is the acknowledge letter Autonomous none generated unimplemented Packet Description Configures a particular stream st to deliver data packets autonomously to the host with each packet containing engineering unit data samples only for the channel positions specified The channels included is the stream are specified by a standard 16 bit position field bit map encoded as 4 hex characters as used by other standard Optomux commands The individual data packets of the stream may be synchronized with either an external hardware trigger or a periodic clock interrupt generated inside each module This choice is made with the parameter a single character where 0 2 synchronize with hardware trigger 1 synchronize with periodic software clock Pressure Systems Inc 9000 Series When the hardware trigger is used to synchronize data output trig 0 it is assumed that the user would prefer to also synchronize internal data acquisition For this reason when a scan list utilizing hardware trigger is started the module firmware switches out of the free running continuous data acquisition mode described earlier Instead the 9016 or 9021 waits in an idle mode until a hardware trigger is received to initiate a host stream output Only on the receipt of that hardware trigger will the module scan and EU convert all at
37. press and hold the left mouse button while moving the slide bar When the mouse button is released the units will be chosen Press F1 to keep the units selected or press the ESCAPE key to quit without any changes to the current units Pressure Systems Inc 9000 Series 7 3 3 Module This submenu allows the default module address to be changed This PC software will only talk to one module at a time All module commands are sent to the address set by the default module address except for the Raw Optomux commands entered by the user When the new module address is entered a Power Up Clear A command is sent to that module to make sure that it exists If no response is received from the module an error message will be displayed Ensure that the address DIP switch settings are correct on the module before selecting a new module address After a Power Up Clear message is sent the module is queried for the ranges of each transducer These ranges are then used to auto range the values displayed during data acquisition and display This submenu allows the user to enter up to 8 different default addresses to be used during execution of this program Enter the address of each module in the OPTOMUX network or 0 for none After all addresses are selected the user must select the current address to be used This is done by TABBING to the appropriate selection button and pressing the SPACE bar If two modules are selected the lowest module a
38. pressure may be applied through the CAL port which will charge the dead ended run side tubulation Test pressures applied to the CAL port during the leak check operation must not exceed the full scale pressure of any internal transducers Once the lines are charged the 901 may be commanded back to the RUN position This will reattach the charged run side lines to their corresponding internal transducer Consecutive pressure readings from the 901x will now allow user calculation of the line leak rates Once returned to the RUN position lack of a pressure indicates a gross leak A slowly declining pressure indicates a slight leak A leak is more difficult to detect as tubing volume increases In the case of true differential units where both sides of the sensor are pressurized with the leak test pressure an initial differential pressure of 0 0 psi should be measured when the unit is placed in the RUN position If the measurement or RUN side of the channel leaks at a rate greater than the reference side a resulting negative differential pressure will be measured Likewise if the reference port tubing leaks at a rate greater than the measurement side a resulting positive differential pressure will be measured 2 9010 9015 9016 only 2 3 6 5 Supply Air The 901x models require a 80 psi minimum air supply which is used to shift the internal calibration valve between its different positions Each module contains a fitting marked SUPPLY for this i
39. several previously documented commands are missing Most of these missing commands were standard Optomux commands that were never of functional value for System 9000 modules This is mainly because of basic design philosophy differences between PSI and vendors of other less capable Optomux modules These commands were included in the original System 9000 documentation and module firmware for compatibility with third party software packages Such commands have now been removed from the System 9000 documentation in the interest of easier learning and product simplicity They may still continue to exist in newer firmware versions of several older models However they are not available in the 9016 and 9021 models and will eventually be removed from all System 9000 firmware Obsolete commands fall into three classes dummy commands that executed but essentially did nothing duplicate commands with capabilities less than or the same as other alternative commands and piecemeal commands that executed only parts of other complete commands Obsolete dummy commands include C Set Turn Around Delay G Configure Positions H Configure as Inputs and users should remove any usage of these from host programs if use of newer System 9000 modules is contemplated Obsolete duplicate commands include 8 Read Module Configuration and M Read and Average Analog Inputs which should be replaced by commands Read
40. the CAL input port DH200 reference inputs are pneumatically connected to the CAL REF input port The CAL input may be used to perform on line zero adjustment of the transducers The CAL input may also be used for DH200 span adjustment calibrations and accuracy tests if appropriate pressure calibrators such as the 903x series are available Span calibration of multi range scanners may also utilize the CAL port if the highest applied pressure does not exceed the proof pressure rating of any other installed transducer otherwise the individual transducers must be calibrated with the valve in the RUN position When the internal calibration valve is in the CAL REZERO position the RUN inputs RUN REF and numbered input ports are pneumatically dead ended to prevent migration of contaminants into the instrument 2 3 6 3 Purge Mode Inputs 9010 9015 9016 only standard 901x models contain a purge leak check option purge option allows users to apply positive pressure to the PURGE input which will then be vented out of the user input ports forcing contaminants such as moisture out of the pneumatic input lines Note that on common reference 901x scanners only the numbered input ports will be purged RUN REF is not purged True differential 901x scanners will purge both the run and reference input ports for all channels The purge supply provided to the 901x must always be a higher pressure than the highest pressure present on the input p
41. the host computer The RS 232 interface between the external RS 422 converter and host computer is not wired correctly The RS 422 receiver is either not enabled or has failed 6 2 Ethernet Module Troubleshooting 6 2 1 Checking Module Power Up Sequence 9016 9021 only Pressure Systems Inc 9000 Series Proper power to the module should first be verified If possible verify that the output of the module power supply is set within the range of 18 36 VDC This should be nominally set for 24 VDC Ensure that the power supply setting is high enough to compensate for cable voltage drops if long interface cable lengths are used Turn module power on and verify the following top panel LED status following initial power up PWR LED should remain ON If this LED is not on all other LED s will likely also be off Check the PSI 90DB or customer provided power supply to ensure the proper voltage 18 36 VDC is being provided Also verify that the power pins in the module interface cable are wired as described in Section 2 3 2 and Appendix E COL LED should remain OFF TX LED should remain OFF Note that any activity of the TX LED during the power up sequence is an indication that the RARP BOOTP protocol is enabled This will typically occur following the initial Busy LED cycle and continue until an appropriate RARP reply is received LNK LED should remain ON This LED indicates proper connection to an Ethernet hub or switch If this LED
42. the screen which displays help messages as execution of the program takes place Pressure Systems Inc 9000 Series 7 5 7 Next Executing Next will increment the default module that is used to perform all of the functions of this program The new module will be the next one initialized in the module list set up during initialization 7 5 8 Exit Exit quits this program and returns to DOS Pressure Systems Inc 9000 Series Appendix A All Optomux Commands Quick Reference Cmd 9010 9016 Command Function Letter 9015 9021 9020 La Por i a Por eee _ mesTamdesvoges 000 oz 1 cause and setae 1 0000 Set Operating Options MEN n a ResiModie sans _ Pressure Systems Inc 9000 Series This page intentionally left blank Pressure Systems Inc 9000 Series Appendix B 9000 Response Error Codes These error codes will be sent in response to an error condition detected in the module after a command is received Instead of an acknowledge or acknowledge with data a negative acknowledge Nxx will be sent followed by the error codes xx listed below CODE MEANING Power Up Clear Command Was Expected unused by TCP IP A command other than A was attempted following module s power up Once the error is received it is unnecessary to execu
43. the submenu Some submenus have pop up windows that require user input It is possible to advance through different input areas in the screen may by pressing the TAB key or Shift AB key combination or by simply pointing to the desired field with the mouse and left clicking Input values can be typed directly from the keyboard followed by pressing the ENTER key or by clicking the OK button on the screen with the mouse Selection buttons are used to turn on or off certain functions such as selecting the active module These can be activated by either pressing the SPACE bar to toggle the button on or off or by pressing the UP or DOWN arrows Selection buttons can by turned on or off by pointing to the button with the mouse and clicking the left button Slide Bars are used when there are multiple choices for one thing such as units to be displayed The UP and DOWN arrows are used to change the choice To select with the mouse point to the current selection and move the mouse while holding down the left mouse button Let go of the mouse button when the selection is reached Pressure Systems Inc 9000 Series 7 2 2 Menu Bar The Menu Bar at the top of the screen allows the user to execute any available function To activate any of the commands in the menu bar just press the ALT key and the starting letter of the menu item simul taneously With a mouse point and click the left mouse button to activate the menu The menus are INIT CAL 5900
44. your scanner to ensure proper operation 5 1 6 5 Solenoid Valve O Ring Replacement 9010 9015 9016 only following is a step by step procedure to replace the internal solenoid valve O Rings a model 9010 9015 or 9016 Intelligent Pressure Scanner Note that modules with the C3 C4 leak check purge calibration manifold will contain two internal solenoid valves 1 Disassemble the module as described in Section 5 1 2 2 Remove the solenoid valve by unscrewing the two Phillips head screws on top of the solenoid Gently lift it out of the module Pressure Systems Inc 9000 Series 3 Remove and replace the O rings needing maintenance using the procedure described in Section 5 1 6 1 4 Replace the solenoid valve and gently tighten the screws 5 Reassemble the module 6 Test your scanner to ensure proper operation Pressure Systems Inc 9000 Series 5 2 Upgrading Module Firmware System 9000 Intelligent Pressure Scanner modules contain electronically reprogrammable memory devices that store the module firmware Pressure Systems will occasionally provide new releases of module firmware to provide enhanced instrument performance All models may have new firmware downloaded via the module s Diagnostic Port This process generally requires taking the module to a computer e g PC ina lab or bringing the computer to the module The Ethernet models 9016 and 9021 may also have their firmware downloaded via their E
45. 0 RAW GO QUITACQ HELP NEXT and EXIT Menus followed by the exclama tion point execute immediately and have no submenus To activate any of these commands press Alt I Menu appears Alt C CALIBRATION Menu appears Alt S SYSTEM 9000 specific Menu appears Alt R RAW send a Raw command Alt G GO Data Acquisition starts Alt Q QUITACQ Data Acquisition stops Alt H HELP Menu appears Alt N NEXT make Next Module Active Alt E EXIT this program 7 2 2 1 Init Menu The Init menu allows the user to change items such as the PC COM port baud rate time out value and the default module addresses Users may configure up to 8 modules to be available for communication via the modules selection This menu also allows the user to change the engineering units displayed for each channel and to save the specific initialization parameters used at start up into a default file 7 2 2 2 Cal Menu The Cal Menu allows the user to perform a transducer rezero full span calibration or module accuracy checks It also allows the user to instruct the module to store the rezero and span coefficients in each transducer s nonvolatile memory 7 2 2 3 59000 Menu 59000 Menu contains commands that are System 9000 specific commands contained in this menu include calibration valve control transducer information and module firmware download 7 2 2 4 Raw Menu The Raw menu allows the user to enter any Optomux com
46. 0 Pressure Tranducer O Ring Replacement 9010 9015 9016 only Please note that the DH200 O rings are used for static seals only They will typically not require replacement unless exposed to improper liquid medias which will also damage other 901x components The following is a step by step procedure to replace a DH200 O Ring should it be required 1 Disassemble the module as described in Section 5 1 2 2 Remove the PC 206 Amplifier Multiplexer board as described in Section 5 1 3 1 Lay the circuit board aside on an anti static surface 3 Remove the DH200 transducer s as described in Section 5 1 4 If more than one DH200 is removed record their serial numbers prior to removal to ensure they are reinstalled in the same locations 4 Remove the two 2 O rings that are in need of replacement from the DH200 using tweezers Clean the O ring cup with a lint free applicator moistened with a cleaning fluid such as acetone alcohol Freon or any other substance that evaporates quickly and leaves very little residue Remove any excess cleaner with the air supply as soon as possible Do not blow air directly into the holes of the surface since that can drive the fluid into the transducer and or rupture the silicon pressure transducer With clean hands apply a small amount of Krytox fluorinated grease to the palm of one hand and rub it out evenly with your index finger Place one new O ring onto your greased palm Work the O ring around until it
47. 021 only Purpose Returns the most recently acquired raw temperature data for the specified channels converted to engineering unit Volts directly from the averaged A D counts It is the same as command V except that the raw data reflects a channel s temperature signal instead of its pressure signals Each datum returned in the response will be in the specified high precision data format This command is intended for advanced users only and is not required for normal operation Core String Full Optomux String Command nppppf unimplemented n is the command letter pppp is the position field is the format field Response dddd dddd unimplemented are the data fields each w leading space except binary format 7 Description 4 character hex position field pppp specifies 16 bit binary bit map with each bit set to 1 specifying a particular channel number 16 1 left to right The 1 character format field f specifies the format of each data field dddd that will be returned in the requested response The first datum returned in the response will be for the highest channel number supplied and each datum will be preceded by a space character Some formats may not be applicable to the specific type of data being requested Valid formats are shown in the following table ASCII data field returned internal datum before formatting 11 decimal fixed point number 6 32 bit binary IE
48. 1 CONNECTOR 9 PIN D SHELL 09 28 09PL CABLE 26 03 6084 PLUG 09 49 08BD 15VDC SCLK SDATA GND VP GND VT BLU WHT WHT BLU ORG WHT WHT ORG SHIELD System 9000 9021 to 940x Interface Cable GRN WHT WHT GRN BRN WHT WHT BRN PN 9096 PLUG 15VDC SCLK SDATA GND VP GND SOLDER CUP VIEW Pressure Systems Inc 9000 Series 9021 CONNECTOR CABLE SERIES 27 9 PIN D SHELL 26 21 0126 PLUG 09 28 09PL 09 49 06BD PLUG SOLDER CUP VIEW 9021 to Series 27 Interface Cable 9021 Pressure Systems Inc 9000 Series 5 PIN PLUG 5 PIN PLUG 09 17 05604 CABLE 26 03 0518 5 PIN SHELL 5 PIN SHELL PIN 09 38 4372 18 AWG STRANDED WIRE PIN 09 38 4372 NOTES 1 WIRE ENDS SHOULD BE STRIPPED OF INSULATION TO EXPOSE 0 200 OF BARE WIRE 2 DO NOT TIN WIRE BEFORE INSTALLING IN TERMINAL CLAMP 3 PLACE HEAT SHRINK ON BOTH ENDS WHERE OUTER INSULATOR JACKET IS CUT System 9000 Power Supply Cable P N 9097 Pressure Systems Inc 9000 Series Rx hx GREEN TWISTED TOGETHER WHITE ORANGE ORANGE TRIG IN TRIG REF 9016 GND CONNECTOR RS 232 F DIAGNOSTIC Rx OPTIONAL WHITE GREEN Rx PWR RTN 24 VDC A B C D E F G H J K L M N P R 1234
49. 1 will be calculated and returned If the optional fixed point decimal value string vv vvvv is specified the position field must be 4 characters even when all channels are to be specified standard form of this command requires that the exact full scale input pressure be applied to the affected channels An alternate form allows the user to specify any suitable upscale pressure in the current engineering units For best results when specifying an upscale span pressure pressures in excess of 90 of full scale should be applied A leading blank must precede the decimal fixed point value string parameter used to specify this optional upscale pressure The desired calibrating pressure must be applied to all of the specified channels before this command is executed Such a pressure is presumably generated by a separate model 903x calibrator module or suitable user supplied substitute Notice that unlike the Calculate and Set Offsets h command this command does not automatically move the module s calibration valve to its Cal position The reader is also referred to Section 4 3 of Chapter 4 for additional details concerning the performance of a Span Calibration Pressure Systems Inc 9000 Series Refer to Section 3 1 3 3 for information concerning interpreting the returned scaled gain values These values are software limited to values between 0 0 and 100 0 Any calculated value outside of this range will result in the gain co
50. 1020 hex for channel 9 4144 1030 hex for channel 5 4160 1040 hex for channel 1 Send command to a model 9015 module node address 85 55 hex to read channels 1 5 9 and 13 including 7A hex checksum gt 55L11117Ar Read this response from this model 9015 8 channel module with 81 hex checksum The data returned was 2777 non existent datum for channel 13 9222 non existent datum for channel 9 4144 1030 hex for channel 5 4160 1040 hex for channel 1 Pressure Systems Inc 9000 Series READ TRANSDUCER VOLTAGES Non Standard Command V 9016 9021 only Purpose Returns for the specified channels the most recently acquired raw pressure data converted to volts directly from the averaged A D counts This simple engineering unit conversion bypasses any usage of the transducer s factory calculated coefficients or the final calibration process s adjustment coefficients offset and gain Each datum returned in the response will be in the specified high precision data format This command is intended for advanced users only and is not required for normal operation DENEN Core String Full Optomux String Command Vppppf unimplemented V is the command letter pppp is the position field P 1s the format field Response dddd dddd unimplemented dddd are the data fields each with a leading space except binary format 7 Description 4 character hex position field pppp specifies a 16 bi
51. 2 Phillips head screws securing the PC 206 board to the DH200 transducers Carefully disconnect the PC 206 board from the DH200 s by slowly working the board off of the DH200s starting at one end and moving down the length of the board It is important that the gold pins are not bent when removing the board Replace the old PC 206 board with a new one by placing it loosely on top of the DH200 s Ensure the board end containing connector P1 is oriented the same as the board just removed Inspect and make sure that all the gold pins fit easily into the female end of the connector on the DH200 transducers Press the board down evenly until all pins are firmly seated Install the two 2 Phillips head screws to secure the PC 206 to the DH200s Be careful not to over tighten Install the wiring harness to connector P1 of the PC 206 ensuring proper pin 1 location Pin 1 of the ribbon cable has a red stripe while pin one of P1 will contain a square solder pad on the PC 206 For 9016 carefully align the viton gasket on the top plate ensuring it is free of contaminants Install the module electronics back into the extrusion case Ensure that the alignment posts in the module s bottom panel align with the PC 203 or PC 280 electronics support brackets when placing the top panel and electronics back in the extrusion housing 6 Replace the screws that secure the top panel to the scanner housing and tighten Do not over tighten 7 9 inches pounds torque
52. 20 only A is the acknowledge letter Alternate dddd unimplemented Response 9016 9021 only Description ndex field ii chooses a particular status field to be returned It is two characters in length with functions as indicated in the following table Status Data Returned Description Index 00 Returns the model number e g 9010 of the module as a 4 character string eg 9010 01 Returns the firmware version number of the module Value is four 4 hex characters indicating Version 100 Example 0100 256 Ver 2 56 02 Returns 4 character ASCII hex representation of a 16 bit binary status value Each bit has the following meaning Bit 0 LSB A D Failure Error Bit 1 Transducer Rezero Adjustment offset Term Range Error out of range values set to 0 0 internally Bit 2 Transducer Span Adjustment gain Term Range Error out of range values set to 1 0 internally Temperature Correction Coefficients Not Present or Out of Range f transducer has one or more bad coefficients all set to 0 0 Bit 4 reserved for transducer checksum FLASH Initialized Data Section Checksum Error f error detected all initialized data variables set to factory defaults and stored in FLASH Pressure Systems Inc 9000 Series reserved module status bits reserved module error status bits Return Current A D Average Count as 4 byte hex value model 9016 and 9021 only Examples 1 Request Mo
53. 5678 RJ45 CONNECTOR FOR 10BASE T Tx Tx Rx Rx SOLDER CUP SIDE FOR CABLE NOTES 1 WIRE COLORS REFLECT STANDARD RJ45 WIRE ASSIGNMENTS 2 10BASE T SIGNAL WIRES SHOULD MEET CATAGORY 3 OR HIGHER SPECIFICATIONS 3 POWER AND POWER RETURN CONDUCTORS ARE R20 AW System 9000 Ethernet Interface Cable P N 9080 Pressure Systems Inc 9000 Series 9016 90DB 09 49 15KPTOGF 26 10 35109 09 48 1415P WHITE ORANGE ORANGE WHITE GREEN TRIG IN TRIG REF 24VDC 24V RTN YELLOW BLACK System 9000 Ethernet Interface Cable PN 9080 Pressure Systems Inc 9000 Series Appendix F System 9000 Products Model Purpose 9010 16 channel Intelligent Pressure Scanner w Optomux Host Port 9015 8 channel Intelligent Pressure Scanner w Optomux Host Port 9016 16 channel Intelligent Pressure Scanner w Ethernet TCP IP Host Port 9020 12 channel Media Isolated Intelligent Pressure Scanner w Optomux Host Port 9021 12 channel Media Isolated Intelligent Pressure Scanner w Ethernet Host Port 9030 31 Pressure Standard Unit w Optomux Host Port 9032 33 Pressure Standard Unit w Ethernet TCP IP Host Port 9035 36 Pressure Calibrator Unit w Optomux Host Port 9034 38 Pressure Calibrator Unit w Ethernet TCP IP Host Port 9090 System 9000 Power Supply 9091 RS 232 to RS 422 Converter 9093 System 9000 Host to Module RS 422 485 Interface Cable 9094 System 9000 Module to Module RS 422 485 Interface Cable 9095 System 9000 RS 232 Hos
54. 9016 Intelligent Pressure Scanner Use the tools and follow the general warnings already described in Section 5 1 1 1 Disassemble the module as described in Section 5 1 2 2 Remove the PC 206 Amplifier Multiplexer board as described in Section 5 1 3 1 Lay the circuit board aside on an anti static surface 3 Remove the retaining screw from the desired DH200 transducer Lift the transducer straight up to remove it Make sure that the two 2 O rings remain with the transducer as it is removed from the adapter plate Ensure that the adapter plate O ring sealing surface is clean and free of contaminants See Figure 5 7 Figure 5 7 Top View of DH200 4 Replace the DH200 making sure that the electrical connections are located on the outer edge of the cubic design Be sure that the two 2 O rings are in place on the DH200 and that O ring surfaces are free of contaminants The DH200 must fit the guiding pins smoothly and be aligned with all other DH200 transducers Tighten the retaining screw snugly finger tight plus 1 4 turn Pressure Systems Inc 9000 Series Note The hex head standoff screws used on DH200 positions 2 and 15 are used to secure the PC 206 These hex head screws should not be overtightened or else the screw may break 5 Replace the PC 206 board as described in Section 5 1 3 1 and reassemble the module Ensure that the two hex head standoff screws are installed on DH200 positions 2 and 15 and that the
55. 9021 the host computer must also be configured with an appropriate IP address For Windows 95 and Windows NT a typical configuration is described below Note that this configuration assumes that a host PC Ethernet adapter is installed and not in use for any other TCP IP application If your Ethernet adapter is used for other TCP IP communications contact your MIS or network administrator to determine proper host IP address and subnet mask configurations before proceeding Activate the Windows control bar left click the START icon Select the SETTINGS line followed by the CONTROL PANEL folder In the CONTROL PANEL folder select the NETWORK icon Once in the NETWORK setup select the tab labeled CONFIGURATION Scroll through the list of installed configuration protocols Select the one labeled TCP IP gt xxxx where xxxx will typically identify your Ethernet adapter card There may be other TCP IP protocols listed for other items such as dial up adapters these are not used for the 9000 Ethernet configuration If the protocol is not listed in the configuration menu left click the ADD button Continue by selecting to add a PROTOCOL Select Pressure Systems Inc 9000 Series MICROSOFT from the Manufacturers list Then select TCP IP from the networks protocol list Once in the proper TCP IP protocol setup select the IP Address tab Click on the button to enable the field Specify IP Address Once selected the fields for IP addr
56. 9090 04 9 o 00000 ella 4 srsreus HOST COMPUTER PLC ETC N2 AIR SUPPLY PRESSURE 80 125 psi 560 860 kPA FOR ON LINE REZERO CAL gt Immucoomqiv INTERFACE CABLE HOST PSI P N 9093 5 000 FT 1600m MAX LENGTH g 9010 NO 1 Figure 2 5 RS 422 485 Multidrop Network Pressure Systems Inc 9000 Series 2 3 4 1 3 Multidrop Cable Lengths 9010 9015 9020 only Each RS 422 485 segment is limited to a predefined maximum number of nodes and a maximum cable length Repeaters may be used in order to add additional segments to the RS 422 485 communications link Most RS 422 interface products will allow each segment to be up to 5000 feet in distance and contain up to 32 System 9000 modules 2 3 4 1 4 Multidrop Cable Termination 9010 9015 9020 only RS 422 485 specification requires that both ends of the differential transmission line be terminated in order to minimize signal reflections This is accomplished by installing a 120 ohm termination resistor at both ends of the network for each differential signal pair This resistor is connected between the signal plus and signal minus RxA and
57. BUSY LED will begin to flash rapidly appearing dim and the TX LED will remain off If it appears the module received a RARP reply or that it is configured for ARP proceed to section 6 2 2 2 to verify proper host TCP IP configuration If the module does not receive a response to a RARP request its TX LED will continue to flash with an increasing delay between TX attempts The BUSY LED will also remain off until a RARP reply is received If a RARP reply is not received verify that a RARP server is present on the network If the RARP server is present verify that it contains an entry for the 9016 or 9021 Ethernet hardware MAC address Verify this address against the Ethernet address printed on the module label to ensure it has been entered correctly into the RARP server After making the required changes to the RARP server repeat the above steps until the module receives a valid RARP reply Note simple Windows 95 NT BOOTP RARP server is available free of charge from Pressure Systems For additional information on the BOOTP Lite application contact the Pressure Systems Sales or Applications Department application can also be downloaded from the Pressure Systems web sight found at www psih com 6 2 2 2 Host IP Address Assignment for Windows 95 NT In order to communicate with the Ethernet 9016 or
58. Chapter 1 for actual power requirements by model number Figure 2 1 shows pin assignments for the module s top panel power connector This is labeled PWR for models 9010 9015 and 9020 Model 9016 and 9021 have a single military style circular connector through which all power and input output signals pass as shown in Figure 2 2 WARNING Improper connection of power to the Intelligent Pressure Scanner can result in permanent damage to module electronics Figure 2 1 9010 9015 9020 Power Pin Assignments 24VDC RETURN 24VDC Figure 2 2 9016 9021 Power Pin Assignments This power can be supplied by the optional System 9000 Power Supply Module model 9090 Models 9010 and 9015 with serial numbers prior to 0200 should be operated with input voltages of 12 VDC 0 5 Pressure Systems Inc 9000 Series 2 3 3 Mounting and Module Dimensions Panel mounting dimensions for models 9010 and 9015 are shown in Figure 2 3 Other models have similar dimensions see Table 1 2 in Chapter 1 for exact dimensions by model number Detailed mechanical drawings for each module are also included in Appendix H 0 257 0 65cm 4 PLCS 8 75 22 23cm 9 50 24 13cm Figure 2 3 Mounting Dimensions 2 3 4 Network Communications Hookup Every System 9000 Intelligent Pressure Scanner contains a Host Port
59. Checking Host PC Operation 6 1 3 Checking System 9000 Interface Wiring 6 1 31 RS 232 Diagnostic Port Operation 6 1 32 RS 422 Multidrop Host Port Operation 6 1 4 Network Communications Testings Hints Ethernet Module Troubleshooting 6 2 1 Checking Module Power up Sequence vi Pressure Systems Inc 9000 Series TABLE OF CONTENTS continued Checking Module TCP IP Communications 6 2 2 1 Module IP Address Assignment 6 2 2 2 Host IP Address Assignment 6 2 2 3 Verifying Host TCP IP Communications Zero and Gain Calibration Troubleshooting Appendix A Appendix B Appendix C Appendix D Appendix E Appendix F Appendix G Appendix H Appendix I Index Figure 1 1 Figure 2 1 Figure 2 2 Figure 2 3 Figure 2 4 Figure 2 5 Figure 2 6 Figure 2 7 Figure 2 8 Figure 2 9 Figure 2 10 Figure 4 1 Figure 4 2 Figure 4 3 Figure 4 4 APPENDICES All Optomux Commands Quick Reference Optomux Response Error Codes ASCII to Decimal Hexadecimal Conversion Chart Binary Bit Map Cable Diagrams System 9000 Products Programming Example BASIC Module Mounting Dimensions 9000 Range Codes LIST OF FIGURES System 9000 Intelligent Pressure Scanners Models 9015 9020 and 9016 9010 9015 9020 Power Pin Assignments 9016 9021 Power Pin Assignments Mounting Dimensions RS 422 485 Host Port Connectors RS 422 485 Multidrop Network Address DIP Switch Ethernet Host Port Connector Pins Ethernet Network
60. Data from the most recent scan of all the module s channels returned in pure binary form 4 bytes per channel big endian aaaabbbbcccc 6699 Note that this response is not shown within quotes since it is not a valid ASCII character string Pressure Systems Inc 9000 Series DEFINE CONTROL HOST STREAM Non Standard Command 9016 9021 only Purpose Defines and controls the autonomous delivery of any of up to three concurrent high speed data streams to the host computer Such data streams may be delivered continuously without bound until a command explicitly stops them or be delivered until a fixed number of data packets have been sent limited Each packet delivered may be synchronized by a hardware trigger or each packet may be delivered periodically as controlled by an internal software clock These concurrent host streams are an alternate method of acquiring data rather than using the Read High Precision Data r command or the Read High Speed Data b command Host data streams once activated in a module deliver a sequence of TCP IP data packets autonomously to the host 1 without host sending any particular command to the module to request each packet If these data streams are defined to occur at high rates then each data packet received by the host must be processed and disposed of in a timely manner Various subcommands are used to identify the variou
61. E RED CABLE P N 26 03 04245 6 PIN SHELL 24 AWG STRANDED WIRE 6 PIN SHELL PIN 09 38 4385 TWISTED PAIR W SHIELD P N 09 38 4385 NOTES 1 WIRE ENDS SHOULD BE STRIPPED OF INSULATION TO EXPOSE 0 200 OF BARE WIRE 2 DO NOT TIN WIRE BEFORE INSTALLING IN TERMINAL CLAMP 3 PLACE HEAT SHRINK ON BOTH ENDS WHERE OUTER INSULATOR JACKET IS CUT 4 CUT KEY ON EACH 6 PIN CONNECTOR AS SHOWN IN VIEW 1 System 9000 RS 422 Interface Cable to Next Module P N 9094 Pressure Systems Inc 9000 Series PIN D 09 25 2550 NOTES WIRE ENDS SHOULD BE STRIPPED OF INSULATION TO EXPOSE 0 200 OF BARE WIRE ON 4 PIN PLUG END DO NOT TIN WIRE BEFORE INSTALLING IN TERMINAL CLAMP ON 4 PIN PLUG END 1 2 3 PLACE HEAT SHRINK ON BOTH ENDS WHERE OUTER INSULATOR JACKET IS CUT 4 USE D SHELL HOUSING ON 25 PIN END P N 09 38 25HD 5 38 System 9000 RS 232 Diagnostic Cable P N 9095 Pressure Systems Inc 9020 CONNECTOR 09 17 08363 A _ BLU WHT WHT BLU ORG WHT WHT ORG CABLE 26 03 6084C SHIELD 9000 Series PLUG 09 49 08BD A KEY ORIENTATION A C 0 D F 0 6 0 H GRN WHT WHT GRN BRN WHT WHT BRN 8 6 NO PLUG SOLDER CUP VIEW System 9000 9020 to 940x Interface Cable PN 9096 Pressure Systems Inc 9000 Series 902
62. EE single precision floating point e u value digits after decimal point with sign and extra leading spaces as needed per the value shown 8 char ASCII hex number big endian 32 bit binary IEEE single precision floating point e u value 16 char ASCII hex number big endian 64 bit binary IEEE double precision floating point e u value 8 char ASCII hex number big endian 32 bit binary integer encoding of e u value times 1000 4 byte binary big endian 32 bit binary IEEE single precision floating point e u value Pressure Systems Inc 9000 Series Examples 1 Send command to TCP IP module 5 via its connected socket that returns ASCII decimal fixed point Voltage data of the raw temperature signal for channels 1 5 9 and 13 n11110 Response contains data for channels 13 9 5 and 1 left to right 4 999999 4 989500 0 005390 2 500001 Please note that channel 13 is saturated at full scale channel 9 is almost saturated at full scale Channel 5 reads near zero and Channel is about 2 full scale Pressure Systems Inc 9000 Series READ MODULE STATUS Non Standard Command q Models Purpose Returns requested module status information aa Core String Full Optomux String Command qii gt aaqiissr ea q is the command letter see Section 3 1 2 1 for and ss i is the status index field extra Optomux field definitions Response Adddd Addddr 9010 9015 90
63. MODULE command The A B signal pairs are reversed for either the transmit or receive signal pair TxA signal installed where TxB should be installed The Tx Rx signal pairs are reversed Tx pair installed where Rx pair should be installed If using an external RS 232 to RS 422 converter RS 232 Tx and Rx signals may be reversed between the host computer s RS 232 interface and the converter s RS 232 interface Communications cables are not terminated correctly at one or both ends of the RS 422 cable Refer to Section 2 3 4 1 4 for details of proper cable termination Pressure Systems Inc 9000 Series Refer to the following section Section 6 1 4 for hints to help determine the exact nature of the communications failure 6 1 4 Network Communications Testing Hints 9010 9015 9020 only When communicating with System 9000 modules over a network RS 422 multidrop interface the System 9000 module s top panel Tx and Rx LED s can be used to identify possible communications or configuration errors These LED s are directly connected to the appropriate interface s receive and transmit hardware They will not be active for RS 232 Diagnostic Port operation of the module The module s Rx LED should normally be off when the Host Port cable is attached and the host COM port is initialized If the Rx LED remains on after the host COM port is initialized either the host cable or the host RS 422 converter hardware is in error When any command is s
64. Module Status q and Read Scaled Analog Inputs 1 or Read High Precision Data Obsolete piecemeal commands include T Start Input Averaging T Read Average Completion Bits U Read Input Averaged Data g Calculate Offsets Set Offsets x Calculate Gains Y Set Gains which should be replaced as follows The sequence I and U were piecemeal parts of the now obsolete command which was itself replaced by Read Scaled Analog Inputs L Also there is the higher resolution alternative Read High Precision Data r command The piecemeal pair of calibration commands g and W have always had a complete alternative the Calculate and Set Offsets h command Likewise the other pair of calibration commands X and Y have always had a complete alternative the Calculate and Set Gains Z command Pressure Systems Inc 9000 Series ee Chapter 4 Calibration 4 1 Introduction Each System 9000 pressure transducer contains nonvolatile read write memory capable of storing the transducer s full thermal and pressure calibration data The internal firmware of each module reads all of these calibration data from each transducer upon power up and then dynamically calculates other conversion coefficients that convert transducer output into pressure at the current measured temperature The firmware uses these coefficients for all sub
65. Pressure Connections 2 3 6 1 RUN Mode Inputs 2 3 62 CAL Mode Inputs 2 3 6 3 Purge Mode Inputs 2 3 6 4 Leak Mode Inputs 2 3 6 5 Supply Air 9020 and 9021 Transducer Installation 2 3 7 1 Installation of 9400 9401 and 9402 Transducers 2 3 7 2 Installation of All Other Transducers 2 3 8 Case Grounding 2 3 9 Trigger Input Signal 2 3 10 Power Up Checks and Self Diagnostics Chapter 3 Programming and Operation 3 1 Commands and Responses 311 Introduction 3 1 1 1 Optomux Protocol 3 1 1 2 TCP IP Protocol iv Pressure Systems Inc 9000 Series TABLE OF CONTENTS continued Commands 3 1 2 1 General Command Format 3 1 2 2 Node Address Field 3 1 2 3 Command Field 3 1 2 4 Position Field 3 1 2 5 Modifier Field 3 1 2 6 Responses 3 1 3 1 Interpreting Scaled Analog Data 3 1 3 2 Interpreting Scaled Offset Values 3 1 3 3 Interpreting Scaled Gain Values 3 1 3 4 Interpreting IEEE Floating Point Values 3 1 3 5 Reading TCP IP Response Data 3 1 3 6 Interpretting Engineering Units Output Functional Command Overview 3 1 41 Startup Initialization 3 1 4 2 Scan Definition for Acquisition 3 1 4 3 Calibration of Engineering Unit Coefficients 3 144 Acquisition Delivery of Data to Host 3 1 4 5 Other Functions Detailed Command Description Reference Power Up Clear Read Scaled Analog Inputs Read Transducer Voltages Calculate and Set Gains Read Transducer A D Counts Read High Speed Data Define Control Host Stream s Calculate and S
66. RS 232 to RS 422 converter such as the PSI model 9091 to interface to System 9000 modules Several other sources of external or internal RS 422 communications interface products are also available from third party vendors 2 3 4 1 1 Host Port Connection 9010 9015 9020 only When fabricating a host computer s RS 422 485 communications cable the host s transmit signals TxA TxB should be connected to the first module s receive signals Rx A RxB In order to prevent ground loops the cable shield drain should be attached to ground at only one end of the cable Refer to cable diagrams in Appendix E for assistance when fabricating these communications cables if a standard cable model 9093 is not purchased from PSI 2 3 4 1 2 Multiple Module Connections 9010 9015 9020 only Multiple modules may be attached to the communications network in a daisy chain manner by repeating the wiring methods used to connect the host computer to the first System 9000 module The connector labeled NEXT on the first module should be wired to the HOST connector on the second module When attaching multiple modules always wire signals coming from the module closer to the host computer into the HOST connector Signals going to modules further away from the host computer should be wired out of the NEXT connector When fabricating module to module communications cables the transmit signals on the first module TxA TxB should be wired to the transmit signals on the s
67. T or NEXT connector For modules containing a PC 203 microprocessor circuit board Revision G and higher a DIP switch SW2 located on the back side of the board is used to enabled termination and biasing resistors The following table provides the appropriate switch settings Note that switch positions 7 and 8 must always be set as indicated If you have a module containing a PC 203 board with a revision earlier than G contact the PSI Applications Department for proper cable termination techniques mee es Pressure Systems Inc 9000 Series Note that placing switches in the ON position will enable the associated biasing or termination resistor Refer to section 5 1 2 for instructions to access the PC 203 electronics 2 3 4 1 5 Multidrop Node Address Selection 9010 9015 9020 only Each module on a multidrop RS 422 485 communications network must have a unique node address Each module s node address is selected by setting DIP switch positions 1 through 8 on the module s top panel as shown in Figure 2 6 The DIP switch setting normally represents the binary integer address of the module with switch 1 representing the least significant bit When setting a 9000 module node address switches in the ON position represent a binary zero while OFF switches represent a binary one IMPORTANT When setting the address switches always ensure switch 9 is in the ON position The node address
68. anners are capable of supporting various methods for IP address assignment These are ARP RARP and BOOTP The factory default method is referred to as ARP Address Resolution Protocol Unless your application requires the use of the RARP or BOOTP address assignments it is strongly suggested that the module be left configured for the ARP protocol This default method is typically the simplest method for using the Intelligent Pressure Scanner In the ARP mode the module will use a factory default IP address on power up This default address is set to 200 20x yyy zzz where x is derived from the module type 0 for 9016 and 1 for 9021 and yyy zzz is derived from the module serial number A similar method is used to calculate each module s Ethernet hardware address shown on the module tag Note that each of these fields separated by a period is a decimal representation of a byte value This means that each field may have a maximum value of 255 For 9016 modules with serial less than 255 this default IP address will be 200 200 0 zzz where zzz is the serial number ie 9016 serial number 212 is IP 200 200 200 212 For 9016 modules with serial numbers greater than 255 the default IP of 200 200 y zzz is calculated as follows y is the integer result of dividing the module serial number by 256 227 is the remainder of dividing the serial number by 256 serial number modulus 256 Pressure Systems Inc 9000 Series These calculations may be veri
69. ard command set that is recognized by all models of Intelligent Pressure Scanner modules Various System 9000 modules may implement the standard commands that are applicable to that module In addition there may be several non standard commands to which most System 9000 modules respond Most non standard commands provide either module specific control or higher measurement resolution All standard and non standard commands are functionally summarized in Section 3 1 4 and detailed in an alphabetic reference in Section 3 2 3 1 2 4 Position Field Models System 9000 Intelligent Pressure Scanner models may contain up to sixteen 16 separate input output channels When commands affect certain channels in the module specific binary bits in an optional position field are used to identify those channels If a channel s corresponding bit in the position field is set to a one 1 then that channel is affected by the command least significant rightmost bit corresponds to Channel 1 and the most significant leftmost bit corresponds to Channel 16 Since no module has more than sixteen 16 channels the position field will usually be 16 bits represented by four 4 ASCII hex characters in the command For example only Channels 16 and 1 are selected below is this 16 bit 4 character position field Chan 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 By Jn m f mw
70. ate that secure the valve assembly to the top plate Carefully rotate or slide the tubing plate back and forth pivoting on the guiding pin about 1 8 four times This is done to loosen the O rings from the calibration manifold Lift the tubing plate straight up Do not touch the calibration manifold Remove and replace the O rings needing maintenance using the procedure described in Section 5 1 6 1 Note that some O ring seals use an additional Teflon cup seal placed on top of the O ring If the tubing plate requires these seals they should also be lightly greased after installing onto the O rings Examine the tubing plate and calibration manifold to verify that no contaminants are on either surface Replace the tubing plate by slowly placing the plate on the calibration manifold Make sure that the O ring side is down towards the pneumatic sliding manifold and the guiding pin on the calibration valve housing fits into the mating hole of the tubing plate 9010 9015 only Replace the two 2 Allen head screws in the center of the tubing plate Align the valve assembly on the module top plate and install the remaining four 4 Allen head screws that pass through the top plate and the tubing plate corners Tighten evenly making sure that the screws are only finger tight plus 1 8 turn It is important not to over tighten the screws since the pneumatic seal is made using dynamic O rings Pressure Systems Inc 9000 Series 7b 9016 only
71. bsolute and Gage 1000 hex 2000 hex Transducers 1000 hex Pressure only 1000 hex 4096 decimal Example 1 System 9000 Transducer has a range of 0 100 psi 0 0 psi is Zero Scale 1000 hex 100 psi is Full Scale 2000 hex What is the pressure when 1445 hex is returned from the module Pressure read 100 psi 1000 hex Input 1000 hex 100 psi 1000 hex 1445 hex 1000 hex 100 4096 5189 4096 26 68 psi Pressure Systems Inc 9000 Series Example 2 System 9000 Transducer has a range of 15 to 15 psi 0 0 psi is Zero Scale 1800 hex 15 psi is Full Scale 2000 hex What is the Pressure when 1445 hex counts are returned from the module Pressure read 15 psi 800 hex Input 1800 hex 15 800 1445 1800 15 2048 5189 6144 6 99 psi 3 1 3 2 Interpreting Offset Values Rezero Calibration Models When a System 9000 Intelligent Pressure Scanner module is instructed to execute the standard Optomux command Calculate and Set Offsets h a datum corresponding to the calculated offset correction term or coefficient is returned for each affected channel For the Optomux 9010 9015 and 9020 modules this datum is a 4 character hexadecimal value Each such number in a scaled ratio format represents calculated offset correction term a value that needs to be subtracted from the channel measurement to null zero drift effect
72. c 01 0 Pressure Systems Inc 9000 Series CALCULATE AND SET OFFSETS Standard Command h All Models Purpose Instructs a module to calculate new offset coefficients for the specified channels These new coefficients are updated in the module s internal calibration coefficient database used to convert any subsequent raw data into engineering units data The calculated offsets are returned in the response s data Prior to executing this command a zero pressure should be applied to all affected channels Core String Full Optomux String Command Alternate Command 9020 9021 only Standard Response Alternate Response 9016 9021 only Description 2aahppppssr h is the command letter see Section 3 1 2 1 for and ss pppp is the position field extra Optomux field definitions hpppp vv vvvv gt vv vvvvssr h is the command letter see Section 3 1 2 1 for and ss pppp is the position field extra Optomux field definitions vv vvvv is a space pressure value applied Adddd dddd Adddd ddddssr is the acknowledge letter ddd are the returned data fields g gggg g gggg 0 0000 are the actual floating point offset data values returned They are in the current E U and separated by spaces The position field may have 0 or 4 characters If no position field is specified offset c
73. ce pneumatic manifold and has a standard purge and leak check manifold It is available with standard or optional 1 16 and 1 4 compression fittings fittings utilize an SAE 5 16 24 o ring boss which supports a variety of other adapter compression fittings It is also available with a quick disconnect plate which contains 0 063 bulge tubulation The common differential version is available with all choices of fittings The true differential version is available with 0 063 bulged tubulaton fittings only model 9020 and 9021 12 channel Intelligent Pressure Scanners have no internal manifold or pressure transducers Instead it allows external connection of up to twelve 12 type 9400 9401 or 9402 all media pressure transducers 9400 9401 and 9402 transducers may be purchased with a variety of standard pressure fittings Any necessary valves and manifolds must be customer supplied if automatic calibration with the appropriate medium is desired at the module installation site Consult the Sales Department at Pressure Systems for availability of other input fittings Pressure Systems Inc 9000 Series 1 4 5 Communication Interfaces standard System 9000 Intelligent Pressure Scanners provide digitally temperature compensated and linearized pressure data in engineering units through a serial communications interface to a host computer The models 9016 and 9021 have a 10 Base T Ethernet host communications interface using
74. channel number requested Each datum will be preceded by a space character Some formats may not be applicable to the specific type of data being requested Valid formats are shown in the following table ASCII data field returned internal datum before formatting 11 decimal fixed point number 6 32 bit binary IEEE single precision floating point e u value digits after decimal point with sign and extra leading spaces as needed per the value returned 8 char ASCII hex number big endian 32 bit binary IEEE single precision floating point e u value 16 char ASCII hex number big endian 64 bit binary IEEE double precision floating point e u value 8 char hex number big endian 32 bit binary integer encoding of e u value times 1000 4 byte binary big endian 32 bit binary IEEE single precision floating point e u value Pressure Systems Inc 9000 Series Examples 1 Send command to TCP IP module 5 via its connected socket that returns ASCII decimal fixed point raw pressure A D counts data for channels 1 5 9 and 13 211110 Response contains data for channels 13 9 5 and 1 left to right 32767 000000 32700 000000 10 000000 16385 000000 Please note that channel 13 is saturated at full scale and channel 9 is almost saturated at full scale Channel 5 reads near zero and channel 1 is about 2 full scale Pressure Systems Inc 9000 Series READ HIGH SPEED DATA Non Standard Command b 9016
75. cision IEEE floating point binary values 64 bits These single and double precision floating point values comply with the IEEE 754 standard This floating point format is supported by most compilers and data acquisition software requiring little or no manipulation of the returned binary data All hexadecimal encoded or pure binary data are returned with their most significant internal data byte first sometimes called big endian format The non standard command Read High Precision Data offers several decimal string or pure binary formats single or double precision for returning data to the host The non standard command Read Internal Coefficients u does the same for internal operation and calibration coefficients Other non standard commands support the use of these high resolution data formats Refer to the specific command descriptions for a list of applicable data formats See the document ANSI IEEE std 754 1985 for more detailed information on the interpretation of the various fields sign exponent mantissa of any single or double precision IEEE binary floating point number 3 1 3 5 Reading TCP IP Response Data 9016 9021 only When operating in their factory default mode the 9016 or 9021 response data is simply embedded into the TCP IP data field For some host programming applications it may be difficult to determine the exact length of the data field returned by the 9016 or 9021 To simplify the host programming int
76. d started stopped and cleared with the Define Control Host Streams command The model 9016 also has special purpose data acquisition commands including Read Transducer Voltages V and Read Transducer Raw A D Counts a which provide two views of raw pressure data It has similar commands providing e u temperature C and other raw views of each channel s special temperature signal including Read Transducer Temperatures Read Temperature A D Counts m and Read Temperature Voltages n This command group is generally used for diagnostic purposes Pressure Systems Inc 9000 Series 3 1 4 5 Other Functions Models Some commands defy classification because they may be used at anytime to obtain information about the internal setup of a module The Read Module Status q command is an example Also the Set Operating Options w command though generally used after power up reset may also be used at other times as well to change system operation Pressure Systems Inc 9000 Series 3 2 Detailed Command Description Reference standard and non standard Optomux commands applicable to the various models of the System 9000 Intelligent Pressure Scanner modules are described on the following pages They are summarized in the following table For convenience this table is also repeated in Appendix A Table 3 3 Intelligent Pressure Scanner Commands Cmd 9010 9016 Command Function Le
77. d span adjustment calibrations New offset and gain coefficients that result from the most recent calibration may be stored in nonvolatile transducer memory Measurement Flexibility Each 902x module is capable of measuring general purpose voltage signals on any channel not populated with a 9400 type transducer Full scale ranges of 50 100 250 and 4500 mV are supported through programmable gain amplifier circuitry Ease of Use Modules have simple command sets and provide engineering units output They may interface directly to a desktop or laptop computer or they may be interconnected into a large network controlled by any type of host computer Connectivity Use of industry standard communications network protocols to control and read data from System 9000 modules allows distribution to the point of measurement and ensures compatibility with third party hardware and software Pressure Systems Inc 9000 Series 1 4 Options 1 4 1 Pressure Ranges Models 9010 and 9016 contain sixteen 16 DH200 transducers while model 9015 contains eight 8 These DH200 transducers are available with full scale pressure ranges from 10 inches of water column to 750 psid 2 5 kPa to 5200 kPa Transducers with different pressure ranges may be combined in a single module models 9020 and 9021 can attach up to twelve 12 series 940x or third party external all media transducers The 9400 gauge type transducers are available with ful
78. ddress will be used as the current module Once all modules have been entered pressing the NEXT menu will change the current module address to the one listed next in this list 7 3 4 Save Defaults This submenu allows the user to save all of the defaults set up during the execution of this program of the default values are saved in the file START DEF DO NOT CHANGE THIS FILE WITH AN EDITOR The default file is read each time this program is started Pressure Systems Inc 9000 Series 7 4 Calibration Submenus 7 4 1 Rezero This command will build a Calculate and Set Offsets h command and send the packet to the current module Before starting a Rezero calibration make sure that zero pressure is applied to the CAL and CAL REF Ports of the module This command allows the user to choose which channels are to be calibrated either all F8 or selected ones If the module being calibrated has an internal manifold models 9010 9015 the internal calibration value is set to the CAL position and an appropriate delay expires before calibration data are read from the transducers selected and the valve eventually returned to the RUN position When the Rezero calibration is complete the new offset coefficients are generated and will be displayed in the selected engineering units and in raw Optomux hex data values These new coefficients will also be updated in the module s volatile main memory but will not be wri
79. del Number from Optomux module 1 with 32 hex checksum gt 01q0032r Read response with CF hex checksum indicating its a model 9015 A9015CFr 2 Request same information from a TCP IP model 9016 module q00 Read response indicating its a model 9016 9016 Pressure Systems Inc 9000 Series READ HIGH PRECISION DATA Non Standard Command r Models Purpose Returns the most recently acquired engineering unit pressure data for the specified channels Each datum returned in the response will be in the specified high precision data format Core String Full Optomux String Command rppppf gt aarppppfssr r is the command letter see Section 3 1 2 1 for aa and ss pppp is the position field extra Optomux field definitions is the format field Standard A dddd dddd Adddd dddd ssr Response 9010 9015 A is the acknowledge letter ss is checksum w leading space 9020 only dddd are the data fields each with leading space Alternate dddd dddd unimplemented Response 9016 9021 dddd are the data fields each with leading only space except binary format 7 Description 4 character hex position field pppp specifies a 16 bit binary bit map with each bit set to 1 specifying a particular channel number 16 1 left to right The 1 character format field f specifies the format of each data field dddd that will be retur
80. dels 9016 and 9021 do not return a Power Up Clear Expected error This is due to the reset notification mechanisms that are part of the TCP IP protocol Examples 1 Send command to model 9010 Optomux module with node address 2 to acknowledge module power on include necessary A3 hex checksum gt 02 Read following response from 9010 Ar Send command to model 9016 TCP IP module via its open socket to acknowledge module power on SAC Read following response Pressure Systems Inc 9000 Series RESET Standard Command B Models Purpose Instructs the module to reset and to set all internal control variables to their default reset state see description below RENI Core String Full Optomux String Command B SaaBssr B is the command letter see Section 3 1 2 1 for aa and ss extra Optomux field definitions Response is the acknowledge letter Description System 9000 module returns to the following reset states if this command is executed Internal EU Conversion and Calibration Database is reloaded from the nonvolatile memories of all configured transducers into the module s volatile memory Rezero adjustment offset terms are set to the last values stored in transducer memory Span adjustment gain terms are set to the last values stored in transducer memory Calibration Valve is set to the RUN Position
81. e Diagnostic Cable is not fabricated properly or has a broken or shorted conductor The Diagnostic Cable is not attached to the proper PC COM port The COM port is not configured for the proper base address and interrupt level The COM port hardware has failed If the above test does not function correctly the cause of the problem must be resolved before going any further If the loopback test worked correctly remove the jumper between Tx and Rx and reinstall the cable into the module s Diagnostic Port Issue the INIT COM PORT command again to flush any spurious characters that may have been generated Issue the INIT MODULE command Module commands should be shown in the SENT box and module responses in the RCV box If the software indicates a communications error when attempting to communicate one of the following has probably occurred A baud rate other than 9600 was selected in the INIT COM port menu The Diagnostic Port cable s COM signal ground signal was not attached correctly The Tx and Rx signals are reversed possible when using gender changers 9 to 25 D Shell converters etc Swap Tx and Rx on the Diagnostic Port connector and repeat step 4 above RS 422 Multidrop Host Port Operation 9010 9015 9020 pn Verify that the HOST cable is constructed as described in Section 2 3 4 Appendix 9093 Note that the cable fabrication diagram in Appendix E is based on the use of the PSI Model 9091 RS 232 to RS 422 converter
82. e an acknowledgment from the module the program will retransmit the packet in question After three failed retries the program will abort The complete download process requires approximately five minutes longer for slow computers or floppy disk execution After all data have been transmitted the module will move all data to nonvolatile memory After verification of the program cycle the download program will report the download status and terminate returning to the main program menu or DOS prompt The program and verification cycle takes approximately thirty seconds After the download program has verified completion of the download process turn module power OFF Set ADDR switch 9 in the ON position and switches 1 through 8 in the appropriate position for the desired module address Finally turn module power ON The System 9000 module with new firmware is now ready for use 5 2 2 Upgrading Firmware Via Host TCP IP Port 9016 9021 only For the model 9016 and 9021 with Ethernet TCP IP Host Port new firmware may be upgraded by the host computer or any computer on the TCP IP network directly via the module s Host Port This is much more convenient and faster than use of the RS 232 Diagnostic Port New firmware releases are provided on a DOS Windows formatted diskette On this diskette a special TCP IP Command Test Program that runs under Windows 95 or Windows NT will also be provided Current firmware releases and utility programs suc
83. e new circuit board Be sure to reinstall nylon insulating washers in the same position on the new PC 203 Note Some PC 203 assemblies have a heat sink attached to one of the mounting brackets This heat sink will contain one additional screw that must also be removed Figure 5 5 PC 203 Board 5 Place the new PC 203 board so that its connectors and LEDS protrude through the top panel Loosely install the three 3 2 56 screws to secure the PC 203 mounting brackets to the top panel To ease reassembly they will be tightened after installing the electronics back into the module case 6 Reinstall the wiring harness on connector P3 of the PC 203 board ensuring proper pin 1 orientation Pin 1 of the ribbon cable has a red stripe while pin one of P1 will contain a square solder pad on the PC 206 Also reinstall the wiring harness on connector P6 if it was present 7 Install the module electronics into the extrusion case ensuring that the alignment posts in the module s bottom panel align with the holes in the PC 203 mounting brackets Install the six 6 screws that secure the top panel to the extrusion housing Tighten the three 3 screws attached to the PC 203 mounting brackets 8 Test your scanner to ensure proper operation Pressure Systems Inc 9000 Series 5 1 3 4 PC 280 Ethernet Microprocessor A D Board 9016 9021 only The following procedures should be used for replacement of the PC 280 Ethernet Microprocess
84. e result of incorrect power rails to the module Pressure Systems Inc 9000 Series The communications hardware will only be checked when the PC 221 Diagnostic Loopback connector is connected to the Host Port of a 9010 9015 or 9020 module during power up If a failure occurs the module will blink the OK LED two 2 times followed by a five 5 second pause before repeating If either of these fatal error occurs contact the Repair Department at Pressure Systems Other internal tests are executed during the power up process The status of these tests may be determined by reading the Power Up Test Status Register see the Read Module Status 47 command in Chapter 3 Pressure Systems Inc 9000 Series Chapter 3 Programming and Operation 3 1 Commands amp Responses 3 1 1 Introduction This chapter describes all commands a host computer program may send to a System 9000 Intelligent Pressure Scanner module as well as the data or status responses returned by the module Most applications require working knowledge of only a small number of these commands Most commands apply to all pressure scanner models However some apply only to specific models e g model 9016 models 9010 9015 and 9020 which have asynchronous serial RS 422 485 interfaces use the Optomux protocol This protocol has a predefined command and response set as well as routing and packet error detection fields The latter control fie
85. e signal levels repairs or alterations by the user FIRMWARE This manual was prepared for various versions of module firmware as was released in late 1997 Addenda will be distributed as deemed necessary by PSI Any questions regarding firmware upgrades may be addressed to the Applications Engineering Department Firmware revisions manual addenda and utility software may also be obtained from the PSI web page at www psih com Optomux is a registered trademark of OPTO 22 Corporation Bitbus is a trademark of Intel Corporation Krytox is a registered trademark of E I DuPont De Nemours amp Co iii Pressure Systems Inc 9000 Series TABLE OF CONTENTS Chapter 1 General Information 1 1 Introduction 1 2 Specifications 1 3 Description of Instruments 1 4 Options 14 1 Pressure Ranges 1 4 2 Manifolds and Pressure Connections 1 4 3 Communication Interfaces Chapter 2 Installation and Set Up 24 Unpacking and Inspection 252 Safety Considerations 2 3 Preparation for Use 231 Environment 2 32 2 3 3 Mounting and Module Dimensions 2 3 4 Network Communications Hookup 2341 Multidrop Serial RS 422 485 Host Port Hookup 2 3 4 1 1 Host Port Connection 2 3 4 1 2 Multiple Module Connections 2 3 4 1 Multidrop Cable Lengths 2 3 4 1 4 Multidrop Cable Termination 2 3 4 1 5 Multidrop Node Address Selection 2 3 4 1 6 Selecting Baud Rate and Data Averaging 2 3 4 2 Ethernet Host Port Hookup Diagnostic Port Hookup
86. econd module TxA TxB Likewise the receive signals on the first module RxA RxB should be wired to the receive signals on the second module RxA RxB In order to prevent ground loops the cable shield drain should be attached to ground at only one point Refer to cable diagrams in Appendix E for assistance when fabricating communications cables if a standard cable model 9094 is not purchased from PSI When using multiple modules always ensure each module has a unique node address Refer to Section 2 3 4 1 5 for details concerning node address selection Figure 2 4 RS 422 485 Host Port Connectors Pressure Systems Inc 9000 Series d oooooo o 2 o gt d o 8 SERE gt T o o 4 gt 2 INTERFACE CABLE NEXT PSI PIN 9094 5 000 FT 1600m MAX LENGTH lt vmov 2 5 9988 9010 N02 PSI PIN 9091 PLUGS DIRECTLY INTO PC COM PORT A POWER SUPPLY CABLE NOTE MAXIMUM OF 10 UNITS PIN 9097 O O 100 FT 30m MAX LENGTH o sisme C 0 POWER SUPPLY PSI PIN
87. ectively Data is requested in single precision binary format c 00 1 000F 1 100 7 0 00 2 00 0 1 200 7 0 00 3 FF00 1 400 7 0 Pressure Systems Inc 9000 Series Command c Subcommand Index 01 Start Stream This subcommand is used to start the delivery of any previously configured host stream in a module If the stream started is of continuous duration then it will be necessary to use the Stop Stream subcommand later Otherwise the stream will end automatically if a finite number of packets has been specified for it The Start Stream subcommand s format is mE Core String Full Optomux String Command c 01 st unimplemented c is the command letter is the subcommand index ii for Start Stream st is the stream identifier character all or 1 2 or 3 NOTE all parameters are separated by a blank character Response unimplemented is the acknowledge letter Autonomous tssssdddd dddd unimplemented Packet t is a 1 byte binary value identifying the stream number 1 3 5885 is a 4 byte binary integer packet sequence number dddd are the data values in the selected format Description This subcommand starts a particular specified host stream st 1 3 or starts all configured host streams with a single command st 0 The sequence number ssss is always a binary unsigned integer in each packet It starts at 1 for the first packe
88. ed fractional format returned by the Optomux modules may be converted to a floating point number as follows A decimal point is implied after the first digit left digit with the remaining three digits as the fractional value Since the output values are hexadecimal the fractional positions to the right of the implied decimal should be treated as base 16 fractions The value of digit positions is summarized below first digit left most ones position second digit 1 16 position 0625 position value third digit 1 256 position 0039063 position value fourth digit 1 4096 position 0002441 position value Pressure Systems Inc 9000 Series Example 1 Returned gain correction term 1124 hex 1 1 0625 2 0039063 4 0002441 1 0713 Example 2 Returned gain correction term OFF3 0 15 0625 15 0039063 3 0002441 0 9968 If it is desired to view the new gain coefficients directly in a higher resolution data format the Read Internal Coefficients u command may be used Refer to Section 4 3 for details on performing span calibrations 3 1 3 4 Interpreting IEEE Floating Point Values 9010 9015 9020 only 9000 modules support several non standard Optomux commands that can return acquired data and coefficients in high resolution formats Inside any module such data are represented as either single precision IEEE floating point binary values 32 bits or as double pre
89. efficient being set to 1 00 Note The calculated offset values will be lost when the module is powered off To save these offset terms to each transducer s nonvolatile memory refer to the Set Operating Options command Examples 1 Send command to Optomux module 08 to calculate and set gain coefficients for channels 8 through 4 include the AO hex checksum Assume full scale pressure is applied to all channels 208Z200F8AO0r Read the response containing all the returned scaled gain values that were calculated and stored in the module s volatile main memory includes the F3 hex checksum A1368145017000F791254F3r The following gain values are returned in the response above channel 8 1368 hex gain 1 21289 channel 7 1450 hex gain 1 26953 channel 6 1700 hex gain 1 43750 channel 5 OF79 hex gain 0 96704 channel 4 1254 hex gain 1 14551 Send command to a model 9016 TCP IP module via its open socket to calculate and set gain coefficients for channels 8 through 4 Instruct the module to use 14 8890 psi as the applied pressure instead of each transducer s full scale value Z00FS 14 8890 Read response containing the new gain values also stored in the module s volatile main memory 1 21289 1 26953 1 43750 0 96704 1 14551 Actual gain values are returned in the above response as decimal fixed point ASCII strings with single blank characters separating them From left to right
90. embedded within each internal transducer Individual transducer measurement input channel Mixed transducer ranges be installed in a single module Low Cost per Point module per channel cost is less than a typical industrial pressure transducer transmitter High Accuracy Model 901x pressure scanners are capable of accuracies up to 0 05 following single point span calibration Accuracy up to 0 08 F S is maintained for twelve months after calibration through use of built in rezero capabilities Model 902x pressure scanners are capable of accuracies of up to 0 10 F S following appropriate zero and span calibration Low Thermal Errors Each transducer of a pressure scanner module contains an individual temperature sensor and thermal calibration data for internal use by software correction algorithms Thermal errors are reduced to 0 001 C over the calibrated temperature span Rezero Upon Demand models 901x An integrated calibration valve allows for automatic rezero adjustment calibration of dry gas transducers to null offset drift errors Ease of Transducer Replacement Factory calibrated transducer assemblies may be stocked and rapidly replaced in the field Storage of thermal coefficients within the transducer allows for plug and play transducer replacement Ease of Calibration Each 901x module contains a pneumatic calibration manifold and software commands to automatically perform rezero an
91. ent to a module through the RS 422 interface all modules Rx LEDs should flash briefly regardless of whether the module was the addressed module If a module s Rx LED does not flash appropriately one of the following has occurred Commands are not being transmitted out of the host computer due to the transmitter not being enabled or having failed The loop back test described in steps 4 and 5 of Section 6 1 3 will determine if the host is operating correctly The wiring between host computer and module is not correct If the addressed module s Rx LED blinks when commands are transmitted to it from the host computer but the Tx LED never blinks one of the following has probably occurred The host computer and module are configured for different baud rates The command string sent to the module was not terminated with a carriage return character Cable termination or biasing is not correct for the RS 422 converter in use A System 9000 module s Tx LED will blink briefly whenever the module transmits a command response back to the host computer Such activity is an indication that the module received a proper command recognized its address and then sent a command response If the module s Rx and Tx LED s both blink but no response is received at the host computer one of the following has probably occurred Transmit pair from the module is not wired correctly therefor preventing the transmitted response from reaching
92. er to Chapter 4 of this manual for detailed background and procedures for periodic calibration of the Intelligent Pressure Scanners A summary of the commands used for calibration purposes is included below The Calculate and Set Offsets h command is executed only when a suitable minimum e g zero pressure has been applied to all channels of the module The new offset coefficients that result from execution of this command are stored in the module s volatile or temporary engineering unit conversion database They are also returned to the host in the command s response The Calculate and Set Gains Z command should be executed only when full scale or other suitable specified up scale pressure has been applied to the appropriate channels of a module The new gain coefficients that result from this command are stored in the module s volatile or temporary engineering unit conversion database They are also returned to the host in the command s response Althought the calculated zero and span correction coefficients are kept in volatile memory following execution of the calibration commands they may be stored in non volatile transducer memory if desired through use of the Set Operating Options command Although the above commands may return the new calibration adjustment coefficients to the host in a scaled integer form 9010 9015 9020 only they are maintained in IEEE floating point format internally
93. erface the 9016 and 9021 can be instructed to return a byte count for each data response packet If enabled each packet returned from a 9016 or 9021 will contain a leading 2 byte length data field followed by the normal response data field The packet length field is a 16 bit big endian binary value It s value is equal to the total number of bytes in the TCP IP data returned including the two bytes for length field This mode of operation is enabled through the Set Operating Option w command using option index 16 hex Setting this value on or off will result in an update to the module s default mode of operation Pressure Systems Inc 9000 Series 3 1 3 6 Interpreting Engineering Units Output Models 19000 Intelligent Pressure Scanners perform all internal pressure calculations in units of pounds per square inch psi By default all pressure data responses will be in engineering units of psi If a different Engineering Unit output is desired from the 9000 module an internal EU conversion scaler may be applied to all data transmitted to or from the 9000 module This scalar may be set to any desired value through the Download Internal Coefficient v command using Coefficient Array 11 hex index 01 Pressure Systems Inc 9000 Series 3 1 4 Functional Command Overview Models various System 9000 commands best introduced by classifying them into functional groups and then describing how each function
94. ersion Scaler Coefficient array is selected with array index 11 hex All the valid coefficient indexes for each array type are listed in the appropriate tables included in the description of the previous Read Internal Coefficients u command Send command to Optomux module 3 with replacement values for the channel s offset and gain correction terms loaded into the module s volatile memory cc 00 01 Load these into channel 8 s Transducer Coefficient array 08 Each value will be a single fixed point decimal datum f 0 Include an unspecified xx hex checksum gt 03 00800 01 0 000 1 000 xxr Response returned is Send same command above but to TCP IP module 5 1 via its connected socket v00800 01 0 000 1 000 Response returned is Send command to module via its connected socket to change its default EU output from psi to kPa This will be done by changing the EU conversion scaler to 6 894757 V01101 6 894757 Response returned is CAD Pressure Systems Inc 9000 Series SET OPERATING OPTIONS Non Standard Command w Models Purpose Change a module s default operating settings or invoke special internal operations Core String Full Optomux String Command woo dd bbbb aawoo dd ssr w is the command letter see Section 3 1 2 1 for aa and ss oo is the option index field extra Optomux field definitions dd i
95. ess and Subnet will be enabled In the IP address enter a TCP IP address for your host computer IP address of 200 200 200 001 will work if the 9016 or 9021 is using the factory default IP address If the leftmost fields of the 9016 or 9021 module IP addresses are different than the factory default of 200 20x yyy zzz then the leftmost fields of the host computer s IP address must match the module s leftmost IP address field In the Subnet field a value of 255 0 0 0 can be entered for most configurations When these fields are entered click the OK icons until Windows prompts you to restart your computer Once the computer has restarted it should be capable of communications with the Ethernet 9000 module 6 2 2 3 Verifying Host TCP IP Communications At this point the 9000 module should be configured to obtain its IP address through either ARP or RARP The module s IP address must be assigned and known to proceed The host computer has also been configured for TCP IP protocol and assigned an IP address compatible with the 9000 IP address A simple method to verify proper operation is through the ping utility This is a simple TCP IP utility that is found in Windows 95 NT as well as most other TCP IP packages The ping utility simply sends a test packet to the specified IP address and waits for reply to be returned The System 9000 Ethernet modules are programmed to reply to these ping requests To run the ping utility from Windows 95 NT follow the
96. et Offsets Read Temperature A D Counts Read Temperature Voltages Read Module Status Read High Precision Data Read Transducer Temperatures Read Internal Coefficients Download Internal Coefficients Set Operating Options Obsolete Commands esc ert Oop Bg rose NS OD Pressure Systems Inc 9000 Series TABLE OF CONTENTS continued Chapter 4 Calibration 4 1 Introduction 4 2 Rezero Calibration 4 20 1 Rezero Calibration Valve Control 4 2 2 Rezero Calibration Summary Span Calibration 4 3 1 Span Calibration Valve Control 4 3 2 Span Calibration Summary 4 4 Coefficient Storage Chapter 5 Service 5 1 Maintenance 511 Maintenance 5 1 2 Module Disassembly 5 1 3 Electronic Circuit Board Replacement 5 1 3 4 PC 206 Amplifier Multiplexer Board 5 1 3 2 242 Amplifier Multiplexer Board 5 1 33 PC 203 Microprocess A D Board 5 1 34 PC 280 Microprocess A D Ethernet Board Replacement of Transducers Calibration Valve Solenoid Replacement Replacement of O Rings 5 1 0 4 DH200 O Ring Replacement 5 1 6 2 Tubing Plate O Ring Replacement 5 1 6 3 Adapter Plate O Ring Replacement 5 1 6 4 Calibration Manifold Piston O Ring Replacement 5 1 6 5 Calibration Valve Solenoid O Ring Replacement Upgrading Module Firmware 5 2 1 Upgrading Firmware Via Diagnostic Port 5 2 2 Upgrading Firmware Via Host TCP IP Port Chapter 6 Troubleshooting Guide 6 1 Optomux Module Troubleshooting 611 Checking Optomux Module Operation 6 1 2
97. ference Appendix B Response Error Codes Appendix C ASCII to Decimal Hexadecimal Conversion Chart Appendix D Binary Bit Map Appendix E Cable Diagrams Appendix F System 9000 Products Appendix G Programming Example BASIC Appendix H Module Mounting Dimensions Appendix I 9000 Range Codes Other System 9000 modules e g models 903x are documented in their own separate user s manuals See APPENDIX F for a list of all System 9000 modules siis Pressure Systems Inc 9000 Series DISCLAIMER This document is thoroughly edited and believed to be entirely reliable Pressure Systems Inc PSI assumes no responsibility for inaccuracies All computer programs supplied in this manual are written and tested on available systems at the factory PSI assumes no responsibility for other computers languages or operating systems PSI reserves the right to change the specifications without notice WARRANTY PSI warrants that System 9000 products are free from defects in material and workmanship under normal use and service for one year PSI s liability under this warranty is limited to replacing or repairing any unit the factory deems to be defective in parts or workmanship The unit s must be shipped to the factory at the customer s expense for inspection to determine repairs or replacement This warranty shall not apply to any unit s damaged from misuse negligence accidents incorrect electrical connections application of excessiv
98. ficients are over and above those factory determined and unchanging thermal correction coefficients stored in each transducer s non volatile memory The factory coefficients provide the basic engineering unit conversion capability while also correcting for various non linear effects including temperature affect compensation The offset and gain correction coefficients provide for fine adjustment of the factory calibration of each transducer If used properly the periodic zero and span calibration should be the only calibration required to maintain specified performance through the life of the Intelligent Pressure Scanner It is generally necessary for the transducer to be stimulated with a real zero and span pressure when calibration adjustment is required These pressure values may be generated by secondary pressure standards such as the model 903x calibrator module or by other external means provided by the customer such as a dead weight calibrator For the more common zero calibrations zero differential pressures can typically be provided without the need for external pressure generators All 901x models have built in pneumatic inputs CAL side inputs and calibration manifolds required for directing the generated Pressure Systems Inc 9000 Series pressures to the various channels of the module s being calibrated Model 9020 and 9021 require such pneumatic hydraulic plumbing be provided by the customer if deemed necessary Ref
99. fied by checking that y 256 zzz equals the original module serial number Once a module has powered up and has assigned itself a default IP address it is capable of communications An alternate method for assigning an IP address to an Ethernet module is referred to as RARP Reverse Address Resolution Protocol This method allows a module to have its IP address dynamically assigned at power up by an application running on a node of the TCP IP network When configured for the RARP protocol the reset module will broadcast its Ethernet hardware MAC address on the network in a RARP Request packet This broadcast packet identifies the module by its hardware address and requests that a RARP server application return to it an IP address for use Once this broadcast message is received the RARP server application will then return an IP address to the module in a RARP Reply packet Most RARP server applications determine this IP address from a user maintained file that lists Ethernet hardware addresses with their desired IP address If modules are added to the network or module IP addresses are to be changed the user can simply edit this configuration file This capability is common on most UNIX based machines and is also available although less common in some TCP IP packages available for PC platforms Support of the RARP protocol is not currently included in the Windows 95 or Windows NT operating systems In order to allow users of PC platforms to make
100. g Options w command they will be lost when module power is turned off Verify that new coefficients produce valid data before saving them When Span calibrating a multi range unit attach the calibration pressures to the individual measurement input ports of the range being calibrated and not to the CAL input port Use of the common CAL input may result in overpressuring lower range channels When sending the Calculate and Set Gain Z command ensure that the position field bits are set only for those channels that are attached to the calibration pressure When using the standard Calculate and Set Gain Z command the module firmware assumes by default that each particular transducer s full scale pressure is present at its pneumatic hydraulic input All internal calculations of gain correction are based on the exact full scale pressure being applied to the transducers If it is not possible to provide this exact pressure as when using a dead weight tester the alternate form of this command should be used This allows the host to specify the exact upscale pressure applied to the transducers being calibrated Pressure Systems Inc 9000 Series When using the standard Calculate and Set Offsets h command the module firmware assumes by default that each particular transducer s zero pressure is present at its pneumatic hydraulic input All internal calculations of zero correction are based on an input pressure of 0 0 psi
101. h as TCP IP Command Test may be downloaded from the PSI internet home page www psih com It is recommended that this program and the new firmware update file be installed to a suitable subdirectory of your hard disk for better performance Installation instructions for this support software are provided with the application Ensure that the TCP IP communications is properly configured for the PC running the application The following steps describe how to use this program to upgrade module firmware via your TCP IP network Execute PST s host program called TCP IP Command Test Program under Windows 95 or NT Using the screen selected by the default Connection Information tab enter either the Name or IP Address of the module to be updated in the Host IP Address field Select the Connect button to make the connection between host and module Using the screen selected by the Download Upgrade tab enter the name of the file containing the firmware upgrade in the Filename to Download field Locate File button may be pressed to located this file on the hard disk or diskette drive Pressure Systems Inc 9000 Series Select the Download button to initiate transfer of the file to the module Other fields show the progress of the transfer and display any errors that might occur When the entire file is transferred other information fields indicate that the Flash memory inside the module is being reprogrammed with the new file s contents Whe
102. hannel Likewise output values greater than 2000 hex will be returned if an input greater than full scale is applied to a channel When the host computer instructs a module to return the analog value of a channel by using the standard Read Scaled Analog Inputs L command the module will return these scaled data as 4 byte hexadecimal values representing internal higher precision values Inside a System 9000 module each channel s raw or engineering unit datum is more resolute so it must be scaled to fit this narrower scaled datum value range The 9010 9015 and 9020 also support non standard Optomux commands such as Read High Precision Data r which can be used to return values at full internal resolution using various floating point data formats For ease of use the Read High Precision r command is the recommended method for reading pressure data from the 9000 modules When interpretting the Optomux scaled data format the user must take into account that some pressure channels are differential and their input pressures go from negative full scale pressure to positive full scale pressure e g 15 to 15 psi while some pressure channels have only positive pressures e g 0 to 100 psi Table 3 2 summarizes the scaled values for each transducer type Table 3 2 Optomux Output Values F S E S Bit Pressure Zero Pressure Weight Differential Transducers 1000 hex 1800 hex 2000 hex TES Pressure 800 hex A
103. he PC 242 ensuring proper pin 11ocation Pin 1 of the ribbon cable has a red stripe while pin one of P1 will contain a square solder pad on the PC 206 5 Install the module electronics into the extrusion case Ensure that the alignment posts in the module s bottom panel align with the PC 203 or PC 280 electronics support brackets when placing the top panel and electronics back in the extrusion housing 6 Replace the six 6 Allen head screws that secure the top panel to the scanner housing and tighten 7 Test your scanner to ensure proper operation Pressure Systems Inc 9000 Series 5 1 3 3 PC 203 Microprocessor A D Board 9010 9015 9020 only The following procedures should be used for replacement of the PC 203 Microprocessor A D Board Use the tools and follow the general warnings already described in section 5 1 1 1 Disassemble the module as described in Section 5 1 2 2 Remove the wiring harnesses from connectors P3 and P6 of the PC 203 board The P6 connector may not be used in all models 3 Remove the three 3 2 56 screws securing the PC 203 mounting brackets to the module top plate requires 5 64 Allen head screwdriver These screws will be in line with the PC 203 connectors that protrude through the top plate Carefully lift the board out of the top panel See Figure 5 5 4 Using the Phillips head screwdriver remove the three 3 PC 203 mounting brackets from the old circuit board and reinstall them on th
104. ic surface 3 Remove the tubing plate as described in Section 5 1 6 3 4 Using your index finger shift the calibration manifold back and forth four 4 times to loosen its connection with the tubing plate O rings Carefully lift the calibration valve housing with one hand and turn it over letting the calibration manifold fall into the free hand It is imperative that the calibration manifold does not fall on a hard surface since scratches on the manifold could result in pneumatic leaks Using the air supply apply about 30 psi 200 kPa to the two bulge tubes on the adapter plate This will result in the pistons being forced out of their cavity If the pistons stick apply a higher pressure Place your free hand over the calibration valve housing to prevent the pistons from coming out of the housing Remove the piston O rings from their slot Replace the O ring as described in Section 5 1 6 1 Replace the pistons in their cavity by placing the O ring side of the piston in first and then pressing the piston completely into its cavity with one finger Clean and LIGHTLY grease the calibration manifold being careful to not get grease in the openings of the manifold Replace the calibration manifold in the housing making sure that the guiding pin fits into the slot of the cal valve housing 7 Replace the tubing plate as described in Section 5 1 6 3 8 Replace the PC 206 board as described in Section 5 1 3 1 and reassemble the module 9 Test
105. in 1 orientation when installing these connectors Pin 1 of the ribbon cable has red stripe while pin one of P1 will contain a square solder pad on the PC 206 7 Install the module electronics into the extrusion case ensuring that the alignment posts in the module s bottom panel align with the holes in the PC 280 mounting brackets Ensure that there are no conductors from the P1 harness pinched between the top plate and the extrusion On the model 9016 also ensure that the top plate gasket is properly installed Install the screws that secure the top panel to the extrusion housing Tighten the three 3 screws attached to the PC 280 mounting brackets Pressure Systems Inc 9000 Series 8 Test your scanner to ensure proper operation Pressure Systems Inc 9000 Series 5 1 4 Replacement of Transducers 9010 9015 9016 only model 9020 Intelligent Pressure Scanner module has external 9400 9401 or 9402 all media transducers that are easily serviceable and replaceable without opening the module case Users of the model 9020 may skip the remainder of these sections All other models 9010 9015 and 9016 have internal DH200 pneumatic transducers as well as an internal calibration manifold with associated valves and O rings these elements occasionally require service or replacement as described in the following sections The following is a step by step procedure to replace a DH200 transducer in a model 9010 9015 or
106. industry standard TCP IP protocol This interface provides high data transfer rates and system connectivity models 9010 9015 and 9020 have an asynchronous RS 422 485 host communications interface These models also include a standard RS 232 diagnostic interface that may also be used as a host interface The Optomux style command set is used to send commands and receive responses from all ports This includes the Ethernet Host Port of the model 9016 and 9021 as well as the standard Diagnostic Port of the model 9010 9015 and 9020 Pressure Systems Inc 9000 Series Chapter 2 Installation and Set Up 2 1 Unpacking and Inspection The System 9000 product family has many components which may be purchased either as an entire system or as individual pieces of equipment Before assembling the system use the shipping bill as a reference to ensure that all parts have arrived Pressure Systems takes no responsibility for equipment that is damaged during shipment If containers are broken ripped or damaged contact the transportation carrier If the equipment appears to be damaged contact the Repair Department at Pressure Systems Each System 9000 Intelligent Pressure Scanner shipment will contain the following minimum components Model 901 or 902x Intelligent Pressure Scanner module Diagnostic Port Cable Models 9010 9015 and 9020 only one per order 221 Diagnostic Loopback Connector Models 9010 9015 9020
107. is carried out in a typical system The following functions are defined for this purpose Startup Initialization Scan List Definition for Acquisition Calibration Adjustment of Engineering Unit Conversion Coefficients Acquisition Delivery of Data to Host Please look ahead to Table 3 3 labeled All Commands in Section 3 2 for a quick look summary of all available standard Optomux and non standard Intelligent Pressure Scanner commands This list also indicates which Intelligent Pressure Scanner models use each command This summary list is also duplicated in Appendix A for future reference Each command may be referenced by both its functional title and by its command letter in the functional discussion subsections below The Detailed Command Description Reference immediately follows the table in Section 3 2 with each command description occupying a page or more if necessary Command descriptions in this section as in the table are ordered by command letter ASCII order That is with commands having UPPERCASE letters A Z described first followed by the commands having lowercase letters a Z 3 1 4 1 Startup Initialization Models Since power supplies may be distributed widely across a network of modules and host computer s it is not uncommon for modules singly or together and the host to lose power independently Thus their power may be restored at different times Startup initialization for every module must be perfor
108. is evenly greased The O ring should shine when properly lubricated There should be no white area of excess grease on the O ring Make sure there is only a thin film of lubrication on the O ring Using your greased finger place the greased O rings in the cups on the DH200 Ensure that no grease enters the hole that leads into the transducer Pressure Systems Inc 9000 Series 6 Reinstall the DH200 as described in Section 5 1 4 7 Repeat steps 3 4 5 and 6 for each set of O rings in need of replacement 8 Replace the PC 206 board as described in Section 5 1 3 1 and reassemble the module 9 Test your scanner to ensure proper operation 5 1 6 2 Tubing Plate O Ring Replacement 9010 9015 9016 only following is a step by step procedure to replace a Tubing Plate O Ring in a model 9010 9015 or 9016 Intelligent Pressure Scanner 1 Disassemble the module as described in Section 5 1 2 2 Place the scanner with the tubing plate on a clean lint free surface 3a 9010 9015 only Using a 3 32 Allen head screwdriver remove the four 4 Allen head screws that secure the tubing plate to the top panel Remove the top panel and then remove the remaining two screws in the center of the tubing plate Proceed to step 4 3b 9016 only Hold the top plate calibration valve assembly with one hand supporting the bottom assembly to prevent dropping when all screws are removed Remove the six 6 Phillips head screws on the top pl
109. is set to 0 0 The user must then specify the applied pressure by activating the APPLIED PRESSURE menu Press ALT A or click on this menu with the mouse to activate This will then ask for the current pressure that is being applied During accuracy check the pressure can be read from the module at any time by activating the READ PRESSURE menu Press ALT R or click on the menu with the mouse to activate The measured pressure Pressure Systems Inc 9000 Series and errors calculated will be updated every time the READ PRESSURE menu is selected The user can also change the current module that is used to read measured pressure by activating the INC MODULE menu This will advance the program to the next module listed during initialization The user can now read pressure from this module 7 4 4 Store Coefficients The Store Coeffs command allows the user to instruct the module to store the Rezero and Span calibration terms offset and gain respectively to each individual transducer s nonvolatile memory It is recommended that the accuracy function descirbed above or another method be used to verify that the coefficients are correct prior to issuing this command Pressure Systems Inc 9000 Series 7 5 System 9000 Specific Commands Submenus 7 5 1 Valve This command allows the user to shift the calibration valve in the current module between the RUN and CAL positions Note The screen displays the last transmitted command It does not p
110. ivery is practically limited to the maximum possible scan and data conversion rate of all the module s channels Normally these Pressure Systems Inc 9000 Series programmable host streams deliver host data at rates equal to or slower than this natural cycle For a typical application the first stream delivers a few channels at a high rate as defined by a hardware trigger The second stream delivers other channels at a medium rate some multiple of the trigger and the third stream can deliver still other channels at a slow rate a larger multiple of the trigger Command c Subcommand Index 00 Configure A Host Delivery Stream This subcommand is used to configure the parameters of each of the three possible concurrent host delivery streams one at a time Following this configuration phase the stream 1 2 or 3 may be started with another subcommand The configure subcommand s format is Core String Full Optomux String Command c 00 st pppp trig per f num unimplemented 76 is command letter 00 is the subcommand index ii for configuration st is the stream identifier character 1 2 or 3 is a hex position field channel selection bit map trig is trigger type character 0 or 1 per is the period trigger periods or delay timer period is the format of the data delivered num is the number of packets delivered in the stream NOTE all
111. l When configured through the Define Control Host Stream c command the trigger signal can be used to initiate and synchronize data acquisition and output The trigger signal is intended to be a 2 wire differential signal brought in through the 9010 or 9021 main electrical connector The signal may be driven by a standard TTL compatible device The switching threshold for this signal is set at 2 5 VDC Models 2 3 10 Power Up Checks and Self Diagnostics Upon power up of the module the internal firmware will perform a number of self diagnostic checks The results of these tests are reflected by the OK LED on the top panel and by the Power Up Test Status Register an internal module register that can be interrogated by a host or diagnostic command Normal 9010 9015 and 9020 power up and self diagnostics lasts approximately 20 seconds after which the LED will be lit indicating the module is ready for host communication The 9016 and 9021 modules complete the power up and self diagnostics in approximately 10 seconds Two major errors will cause the firmware to immediately halt operation flashing the OK LED to indicate the error condition These two errors are a communications link hardware error and an A D hardware error An A D timeout condition is a fatal error of the A D hardware and is indicated by one 1 blink on the LED followed by a five 5 second pause before repeating This error is frequently th
112. l scale pressure ranges from 5 psi to 10 000 psi 35 kPa to 69000 kPa The 9401 absolute type transducers are available with full scale pressure ranges from 15 psi to 10 000 psi 105 kPa to 69000 kPa The 9402 wet wet differential type transducers are available with full scale ranges from 5 psi to 250 psi 35 kPa to 1725 kPa Transducers with different pressure ranges may be attached to a single module AII standard pressure ranges of each transducer type are listed in Table 1 1 Please consult the Sales Department at Pressure Systems for availability of other pressure ranges 1 4 2 Manifolds and Pressure Connections model 9010 sixteen channel Intelligent Pressure Scanner is offered with true differential reference per channel or common reference pneumatic manifolds It is available with 063 1 60 mm bulge tubulation only which can be seen in Figure 1 1 It is supplied with a standard purge and leak check calibration manifold The model 9015 eight channel Intelligent Pressure Scanner is also available with a true differential or common reference pneumatic manifold It is available with 063 bulge tubulation or optional C compression fittings common reference only The latter type of pneumatic connections can be see in Figure 1 1 It is also supplied with a standard purge and leak check calibration manifold model 9016 sixteen channel Intelligent Pressure Scanner is also available with a true differential or common referen
113. l the delivery of up to three 3 independent concurrent streams of data packets to the host This differs from the above mentioned data acquisition commands in that the requested data streams are transmitted by the modules to the host autonomously Once host streams are defined and started the 9016 or 9021 modules will autonomously transmit the requested channel data at the previously defined rate While scanning all modules take multiple samples and average each channel The number of samples per scanned channel defaults to 32 but may be set to one to disable averaging or to any suitable higher value to change the degree of averaging and its effect on maximum scan rate The Set Operating Options w command may change this variable at any time The same command may be used to store the new averaging value as the module default Models 9010 9015 and 9020 also support modification of the default data average value through a DIP switch procedure described in Section 2 3 4 1 6 3 1 4 3 Calibration of Engineering Unit Coefficients Models System 9000 Intelligent Pressure Scanners have built in software commands and pneumatic hardware for Models 901x to perform periodic zero and span calibration of attached pressure transducers Use of these periodic calibrations result in the highest possible data accuracy The result of these calibrations are a new set of internal offset and gain coefficients These adjustment coef
114. l values to be entered directly as ASCII strings In this case each modifier starts with an ASCII blank character followed immediately by an optional sign and numerical digits and decimal point character of the desired value e g vv vvvvvv 3 1 2 6 Checksum Field 9010 9015 9020 only Optomux models use this field to hold the Optomux checksum which is used to ensure data transmission correctness The receiving module never executes a command that contains an incorrect checksum field The command packet checksum is calculated by adding the decimal values of all the ASCII characters of the packet except for the start character gt This integer sum is divided by 256 and the integer remainder is converted to two hexadecimal characters and then placed at the end of the command packet along with a r delimiter For diagnostic or debugging purposes a checksum override of may be used instead of the actual checksum Always calculate and append the real checksum to ensure data integrity Consider this example an L command directed to a module with decimal node address 103 67 hex The full Optomux command is gt 67L01237Fr The checksum is calculated as follows ASCII CHAR gt 6 7 L 0 1 2 3 Value in decimal skip 54 55 76 48 49 50 51 54 55 76 48 49 50 51 383 256 1 with remainder 127 127 decimal 7F hex Checksum Pressure Systems Inc 9000 Series 3 1 3 Responses Model
115. lds are visible to the host computer programmer The model 9016 and 9021 which have an Ethernet interface use the TCP IP transmission protocol These models adopt fields of the Optomux command and response formats deleting unneeded control fields 3 1 1 1 Optomux Protocol 9010 9015 9020 only Optomux protocol is an asynchronous ASCII protocol developed by OPTO 22 and is supported by several hardware and software vendors This asynchronous multidrop protocol was designed to be used on any network using an RS 422 interface though any similar interface that allows character strings to be transmitted back and forth can utilize its command response formats and methods The host computer instructs an Optomux i e System 9000 module to perform tasks and or return requested data by issuing commands Each module acts as a slave device to the host computer with the host computer initiating all communication Each Optomux module has a unique Node Address used to identify the target for any commands sent by the host This address allows the host software to communicate with up to 255 different modules 3 1 1 2 TCP IP Protocol 9016 9021 only The TCP IP protocol is a well established set of rules for communicating over a network LAN intranet or internet and is independent of the network s physical medium model 9016 and 9021 having an Ethernet Host Port with 10 base T physical interface use TCP IP protocol for
116. listed in the following table ASCII data field returned internal datum before formatting 11 char decimal fixed point number 6 digits after 32 bit binary IEEE single precision decimal point with sign and extra leading spaces floating point e u value as needed per the value shown 8 char ASCII hex number big endian 32 bit binary IEEE single precision floating point e u value 16 char ASCII hex number big endian 64 bit binary IEEE double precision c NN point e u value 8 char ASCII hex number endian 32 bit n integer encoding of e u value times 7 binary big endian 32 bit IEEE single precision floating point e u value Pressure Systems Inc 9000 Series Examples 1 Unless the E U conversion scalar is altered the returned data will be in units of psi The num parameter is a positive integer count specified with 1 to 5 numerical characters as needed which sets a limit on the number of packets delivered in the host data stream The value 0 means continuous output no limit Configure three 3 separate autonomous host delivery streams and divide the module s channels between them Channels 1 4 must be delivered to host as fast as possible channels 5 8 may be delivered at half that rate while the remaining channels 9 16 are delivered at half the previous rate streams are generated continuously and synchronized with the internal clock at 100 msec 200 msec and 400 msec periods resp
117. mand and send it to any module on the network The packets sent and received are displayed in the boxes at the bottom of the screen 7 2 2 5 Go Menu The Go menu will start data acquisition displaying all data received on the screen Data will be acquired until QuitAcq is pressed Data is acquired only from the module selected in the INIT menu 7 2 2 6 QuitAcq Menu The QuitAcq Menu will stop any data acquisition in progress and display the latest measurement set 7 2 2 7 Help Menu Pressure Systems Inc 9000 Series The Help menu provides an on line help screen describing all of the functions in this software 7 2 2 8 Next Menu The Next menu allows the user to change the current module address used during data acquisition This is used when more than one module is selected in the Init Module menu 7 2 2 9 Exit Menu Exit menu allows the user to quit this program and return to DOS Pressure Systems Inc 9000 Series 7 3 Initialization Submenus 7 3 1 COM Port Highlighting and executing this submenu will cause a pop up window to be displayed Three communi cation parameters can be changed in this window PC COM port Baud Rate and Time Out Value To change the PC COM port press the TAB key until the COM port box is highlighted Use the Arrow Keys to go up or down to choose the correct value The mouse can be used by pointing to the selection bar and holding down the left mouse button while dragging the selection bar
118. med when its power is restored as each module enters default states after power up which may not be the state the host computer had previously been operating it The following commands are generally used to detect startup initialization or to force reset after which other commands may be used to restore the original operating condition The Power Up Clear A command is used when it is known that power restart has occurred Otherwise if any module experiences a power up cycle autonomously and does not receive command A as the first command the next response it returns to ANY other first command will be the Power Up Clear Expected error message response 00 This Power Up Clear Expected error response is only returned for the first command following a module reset following commands will be processed normally By this mechanism the host will thus know and must be prepared to handle any module s power failure restart At any point during module operation the Reset command may be used to return any module to its default reset state If the module is then required to enter any other states that were previously programmed for it by the host the host must then restore these states accordingly using the appropriate commands The Set Operating Options w command has many purposes but may first be utilized during the module initialization stage It may also be executed at any time during data
119. menting with the 9000 command set To install the start up software follow the directions provided with the diskettes For Windows installations this will generally be initiated by executing the SETUP program on the first installation diskette The SETUP application can be executed by double clicking on it from the Windows File Manager or Windows Explorer SETUP will install the required Windows files and create a new program group The program may be started by selecting the program icon from the new program group The ethernet model 9016 and 9021 are provided with an auxiliary host program called the TCP IP Command Test Program It is a 32 bit Windows application program designed to run on Windows 95 or Windows NT It has extra diagnostic capabilities not available in the Start Up program and can also be used to download new firmware while the module is connected to its TCP IP network via the Host Port For users of the DOS version of the start up software simply copy the contents of distribution diskette onto a suitable subdirectory of your hard disk If performance is not an issue you may also run the DOS software from the distribution diskette The following files are needed for the DOS program to run START EXE program START UIR graphics file START DEF defaults file To execute the DOS Start Up program change the DOS command prompt to the drive and directory containing the software and type START and the lt Enter gt key P
120. module Measure voltages at the PWR connector to verify proper levels The pin labeled V1 should read 15 VDC and the pin labeled V2 should be 15 VDC when measured relative to the power ground pin Note Models 9010 or 9015 instruments with serial numbers less than 0200 should be operated with input voltages of 12 VDC and 12 VDC instead of 15 VDC The input marked V3 should not be connected Tt Run the module s internal self tests described in Section 2 3 10 This is accomplished by installing the supplied PC 221 Diagnostic Loopback Connector on the HOST and NEXT connectors If no internal errors are detected the OK LED will remain on steadily no blinking after tests are complete Remove the diagnostic connector and turn module power off and then on again After the module power is turned on verify the following top panel LED functions OK LED should remain ON PWR LED should remain ON CAL LED should remain OFF Busy LED should blink 8 16 times at a rate of approximately 1 Hz slower for 9020 delay ON for approximately 5 seconds and then start to continuously blink at approximately 100 Hz rate dependent on number of internal averages This rapid blink rate will appear as a dimly lit LED Pressure Systems Inc 9000 Series Any significant variation from this power up LED sequence is an indication of a possible PC 203 microprocessor board error or an error with the installed firmware 6 1 2 Checking Host PC Operation The f
121. mux module 5 requesting the most recent calibration adjustment s offset and gain terms 00 01 and the adjacent factory determined transducer coefficients CO through cc 02 06 Fetch these from channel l s array 01 Return each single float datum encoded as a hexadecimal value f 1 Include 5F hex checksum gt 05u10100 065Fr Response returns the data in the order requested by cc xx is an unspecified hex checksum 3B200A6E 00000000 xxr Send same command as above but to TCP IP module 5 via its connected socket u10100 06 Response returned is 3 200 6 00000000 Pressure Systems Inc 9000 Series DOWNLOAD INTERNAL COEFFICIENTS Non Standard Command v Models Purpose Downloads one or more internal coefficients to the module Core String Full Optomux String Command vfaacc cc dddd dddd aavfaacc is the command letter P is the format field see Section 3 1 2 1 for aa and ss aa is the array index field extra Optomux field definitions cc cc is coefficient index or contig range dddd are the data field s Response A A is the acknowledge letter Description 1 character format field f is a single decimal digit that defines the format of each datum to be downloaded in the command s data fields All data fields and Optomux checksum must be preceded by a
122. n this is successfully completed the module has the new firmware and you may exit the program This process requires approximately 90 seconds When the 9016 or 9021 detects that the download procedure is complete it will automatically reset itself and begin execution of the new firmware version Pressure Systems Inc 9000 Series Chapter 6 Troubleshooting Guide 6 1 Optomux Module Troubleshooting 9010 9015 9020 only The typical troubleshooting strategy for an Optomux System 9000 Intelligent Pressure Scanner module is as follows First module operation will be tested to verify that the instrument is operating correctly and has not detected an internal failure After verifying that the module is in good working order the configuration of the host communications hardware and software drivers will be checked This discussion assumes a PC compatible host computer is available to communicate with the module After ensuring that the host computer is configured to communicate properly the interface between the host computer and the System 9000 module will be examined Communications will be established with a single module via its RS 232 Diagnostic Port or its Host Port If the module does not appear to function correctly after the following steps have been completed consult the Applications Department or Repair Department at Pressure Systems 6 1 1 Checking Optomux Module Operation 1 Verify proper power is present at the
123. ndard calibration commands h and Z return new coefficients to the host in a standard Optomux scaled data format The user may prefer to inspect these with the non standard command Read Internal Coefficients This command returns these data to the host in one of several more common high resolution formats If the user finds it necessary to load a particular transducer s coefficients manually the Download Internal Coefficients v command may be used for this purpose It allows the coefficients to be easily specified in a decimal fixed point numerical string format Other high resolution formats are also permitted for coefficient entry Pressure Systems Inc 9000 Series This page intentionally left blank Pressure Systems Inc 9000 Series Chapter 5 Service 5 1 Maintenance Models This section provides a detailed step by step guide for performing repair and maintenance of typical System 9000 Intelligent Pressure Scanners Figure 5 1 is an exploded view of the model 9010 while Figure 5 2 contains an exploded view of the model 9016 Refer to these drawings for an understanding of the construction of all the Intelligent Pressure Scanners models SOLENOID CALIBRATION MANIFOLD EXTRUSION CASE BOTTOM PLATE Pressure Systems Inc 9000 Series TOP PLATE GASKET SOLENOIDS
124. ned in the requested response The first datum returned in the response will be for the highest channel number supplied Each following datum and the Optomux checksum will be preceded by a space character except in the case of binary format 7 Some formats may not be applicable to the specific type of data being requested Valid formats are shown in the following table ASCII data field returned internal datum before formatting 11 decimal fixed point number 6 32 bit binary IEEE single precision floating point e u value digits after decimal point with sign and extra leading spaces as needed per the value shown 8 char ASCII hex number big endian 32 bit binary IEEE single precision floating point e u value 16 char ASCII hex number big endian 64 bit binary IEEE double precision floating point e u value 8 char ASCII hex number big endian 32 bit binary integer encoding of e u value times 1000 Pressure Systems Inc 9000 Series 4 byte binary big endian 32 bit binary IEEE single precision floating point e u value Examples 1 Unless the E U conversion scalar is altered the returned data will be in units of psi Send command to Optomux module 5 that returns ASCII decimal fixed point data for channels 1 5 9 and 13 include CB hex checksum gt 05r11110CBr Response contains acknowledge and data for channels 13 9 5 and 1 left to right A 1 234000 0 989500 1 005390 0 899602 where xx re
125. nly standard pneumatic tubing plates contain either sixteen model 9010 and 9016 or eight model 9015 numbered pneumatic input channels These numbered inputs are attached to corresponding pressure transducers inside the instrument and should be pneumatically attached to the pressure measurement points under test standard tubing plate also contains an input labeled RUN REF The RUN REF input is pneumatically connected to the reference side of all internal DH200 pressure transducers The RUN REF connection is used for situations where all channels have one reference pressure The reference pressure may be as high as 250 PSI 1720 kPa See Table 1 1 for detailed specifications This input may also be left unattached to provide atmospheric reference pressure When using instruments with the reference per channel option true differential two pneumatic inputs will be provided for every numbered channel These inputs are labeled P and R The P connection is the test pressure input The R connection is the transducer reference input pressure Since each channel has its own reference pressure input the RUN REF input is not provided on the true differential tubing plate 2 3 6 2 CAL Mode Inputs 9010 9015 9016 only The 901x model tubing plates contain inputs labeled CAL and CAL REF When the module s interna calibration valve is placed in the CAL REZERO position all DH200 transducer pressure inputs are pneumatically connected to
126. nput Internal solenoid valves direct this supply pressure to the proper control port on the calibration valve as required by instrument commands absence of sufficient supply air to the module will prevent the calibration valve from shifting into requested positions ie RUN CAL PURGE LEAK WARNING Supply air should not exceed 125 psi 875 kPa Excessive pressure may damage the internal solenoids 2 3 7 9020 and 9021 Transducer Installation Pressure Systems Inc 9000 Series 9020 and 9021 interface to twelve external transducers or signal sources Although these modules are intended primarily for use with the Pressure Systems Model 9400 9401 and 9402 Transducers they may also be used with many third party transducers with suitable analog outputs Transducers should be installed to the 9020 and 9021 as described below Warning Always ensure that 9020 or 9021 power is OFF before connecting or disconnecting external transducers Warning Improper electrical connections between the 9020 or 9021 and external transducers can result in permanent damage to the 902x instrument and the external transducer 2 3 7 1 Installation of 9400 9401 and 9402 Transducers 9400 9401 and 9402 transducer cables are typically ordered from Pressure Systems prewired for use with the 9020 or 9021 If it is necessary to fabricate interface cables to interface the 940x transducer to the 9020 or 9021 the diagrams in Figure 2
127. nsure that the link LED s are active on the host computer s Ethernet adapter and the hub or switch to which it is attached Ensure that the Ethernet adapter card installed in the host is properly configured without Pressure Systems Inc 9000 Series conflict In Windows 95 this can be verified by entering the CONTROL PANEL under SETTINGS Under CONTROL PANEL select the SYSTEM icon When the DEVICE MANAGER tab is selected a list of all installed hardware devices will be listed Any possible hardware conflicts will be marked in this list with a yellow warning symbol next to the device in question Ensure that the Ethernet adapter is configured for 10 Mbit Sec Many adapters are capable of higher speeds that are not compatible with the System 9000 modules Pressure Systems Inc 9000 Series 6 3 Zero and Gain Calibration Troubleshooting Incorrect pneumatic setup or incorrect command usage when executing a module s Rezero or Span calibration can result in unexpected module operation A common source of errors during these operations is incorrect control of the module s internal calibration valve and pneumatic inputs models 9010 9015 or 9016 or their external pneumatic hydraulic equivalents model 9020 9021 Pressure connections are described in Section 2 3 6 while details of calibration procedures are described throughout Chapter 4 Some common errors and problems are listed below These common problems apply primarily to model
128. o communicate on the proper serial interface the final step is to verify that the communications cables are connected correctly When testing any RS 422 multidrop interface always begin testing with only one module attached to the network After communications is verified with the first module add additional modules one at a time and repeat testing procedures 6 1 3 1 RS 232 Diagnostic Port Operation 1 Use the 9095 Diagnostic Port cable or verify that as user supplied cable is constructed as described in Section 2 3 5 Connect the cable to the appropriate PC COM port Note that PC COM ports always have a MALE D shell connector on the PC FEMALE D shell connectors on the PC are not COM ports Remove the Diagnostic Port cable from the System 9000 module end only and jumper together the Tx signal to the Rx signal at the end of the 9095 cable This creates a loopback configuration where the output from the PC COM port will be echoed back into the PC While in the START program type a command using the RAW COMMAND menu selection After Pressure Systems Inc 9000 Series pressing the enter key the command typed should be displayed in the SENT display box at the bottom of the screen The RCV box should display the same data sent since the transmit and receive lines are jumpered together If the sent data is not echoed in the RCV box one of the following has probably occurred The COM port was not initialized before sending data Th
129. o execute a Calculate and Set Gains 7 7 command the module will perform the Span adjustment calibration and then update the gain coefficients in its memory It will subsequently use the newly calculated terms for all future engineering unit calculations Note When using the Calculate and Set Gain Z command only the local variables in the module s volatile main memory RAM are changed Refer to Section 4 4 if it is desired to also store these new span terms in transducer nonvolatile memory 4 3 1 Span Calibration Valve Control Before executing a Span adjustment Calculate and Set Gains Z command the model 9010 9015 and 9016 modules should have their calibration manifold valve placed in the proper position For single pressure range units the CAL position should be used since the span calibration pressure can be applied between the CAL and CAL REF ports Since the module will not attempt to shift this valve automatically as it does for Rezero adjustment it should be placed in the desired position with the Set Operating Options w command option index 00 When span calibrating Model 9010 9015 and 9016 modules with multiple ranges installed the CAL port may be used to apply pressure to all transducers only if the specified proof pressure is not exceeded on any channel Refer to Calculate and Set Gains Z command to specify the channels to be affected by the command in a multi range unit If the application
130. odule s new default values upon power up These features baud rate and number of averages may also be set with the Set Operating Options w command at any point during normal module operation configuration process is as follows While module power is OFF set switch positions 2 7 per table 2 1 below to reflect desired operating mode In order to configure new module parameters set switch 8 to the ON position and switch 9 to the OFF position Turn module power ON When the module detects these switch 8 amp 9 configuration switch settings the OK LED will blink at a 5 Hz rate to confirm module s acceptance of the new switch 2 7 settings for baud rate and number of averages Pressure Systems Inc 9000 Series Pressure Systems Inc 9000 Series Move switch 9 to the ON position The module confirms by making the OK LED blink at a slower rate of 1 Hz At this point the new settings are stored in module nonvolatile memory and will subsequently be the module s default power up settings Note The new parameters will not be stored in the module until the confirmation step is executed switch 9 moved ON Turn module power OFF and set switches 1 8 to the desired node address setting Ensure switch 9 is in the ON position so the device will detect the proper node address on each subsequent power on The instrument is now ready for operation at the new default settings Table 2 1 Configuration Switch Definitions S
131. oefficients for all of a module s input channels will be calculated and returned If a 4 character hex position field is specified offset coefficients for only the channels whose bits are set 1 will be calculated and returned Before acquiring data any addressed model 9010 or 9015 or 9016 module will attempt to place the calibration valve in the CAL position so that a zero differential pressure can be applied to all channels via the module s CAL and CAL Ref input port Simply leaving these ports unattached will allow the transducers to read the appropriate zero differential pressure if ambient air pressure is stable After data are acquired the calibration valve will be placed in the RUN position To disable the automatic shifting of the calibration valve refer to the Set Operating Options w command The reader is also referred to Section 4 2 of Chapter 4 for additional details concerning the performance of a Rezero Calibration Pressure Systems Inc 9000 Series For the model 9020 and 9021 which have no internal manifold or valving a minimum pressure must be applied to all specified transducers by suitable user supplied plumbing Since in many instances a true zero psi a pressure can not be applied to the 902x transducers the alternate form of the command allows the value of the actual applied pressure to be specified For more accurate calculation of the offset correction coefficient this pressure should be as close to zero as
132. ollowing items should be checked after verifying that the module is operating properly in the above tests These items are used to verify that the host hardware software drivers and user test software are configured correctly for System 9000 operation When using a computer with an attached serial port mouse the mouse should be located on serial port The System 9000 instrument should be installed on or higher if additional COM ports are available If operating the System 9000 module from COMI verify that your computers AUTOEXEC BAT and CONFIG SYS do not load a mouse driver upon power up If changes are made to the AUTOEXEC BAT or CONFIG SYS files you must reboot your computer before the changes take effect Execute the provided START program Issue the INIT COM PORT command to select the proper COM port baud rate and time out value When interfacing through the System 9000 Diagnostic Port the baud rate should always be set at 9600 When using the RS 422 485 Hort Port the baud rate must match that for which the module is also configured as described in Section 2 3 4 1 6 factory default is 9600 Note If using a serial communications program other than START verify that the equivalent of the above steps are executed to initialize the correct serial port for the desired baud rate 6 1 3 Checking System 9000 Interface Wiring Once the System 9000 is verified to be operating and the host computer has been configured t
133. onics up and out of the extrusion housing All components of the pressure scanner are attached to the top plate and will lift out of the module housing when the top plate is removed See Figures 5 3 and 5 4 For 9016 scanners carefully remove the Viton gasket with the module top plate In some cases it may be easier to hold the top plate and turn the module over lifting the extrusion housing off of the top panel Figure 5 4 9016 Instrument Out of Extrusion Pressure Systems Inc 9000 Series 5 1 3 Electronic Circuit Board Replacement Different models of the System 9000 Intelligent Pressure Scanner use different combinations of the four basic circuit boards described below To the right of each section title is a list of the modules which contain the particular circuit board assembly Also refer to the cross reference in Table 5 1 for a summary of applicable components in each Intelligent Pressure Scanner 5 1 3 1 PC 206 Amplifier Multiplexer Board 9010 9015 9016 only The following procedures should be used for replacement of the PC 206 Amplifier Multiplexer Board Use the tools and follow the general precautions described in section 5 1 1 1 Disassemble the module as described in Section 5 1 2 Carefully remove the wiring harness from connector P1 of the PC 206 board Note the orientation of the PC 206 relative to the rest of the module to ensure the new PC 206 is installed in the same position Remove the two
134. only one per order Start up Software Diskette System 9000 User s Manual for Intelligent Pressure Scanners Models 901x 902x 2 2 Safety Considerations Always wear safety glasses when operating this equipment or when working with pressurized lines Always ensure that high pressure lines are properly secured system power should be off during installation or removal of any components from a System 9000 module Failure to turn power off prior to installation may cause permanent damage to the module Use caution and check line voltages before applying power to the module 2 3 Preparation for Use 2 3 1 Environment Models AII standard Intelligent Pressure Scanners are factory calibrated to be accurate over a specified temperature range but may be operated or stored over a wider temperature range see Environmental Physical Specifications in Table 1 2 in Chapter 1 Operating or storing an instrument outside its specified range s will result in a loss of measurement accuracy and may cause permanent damage to the instrument electronics WARNING Exceeding the specified storage or operating temperatures may result in permanent damage to the System 9000 electronics Pressure Systems Inc 9000 Series 2 3 2 Power Models model 9016 and 9021 Intelligent Pressure Scanners need only a single unregulated power supply other models 9010 9015 and 9020 require dual regulated input voltages See Table 1 2 in
135. or an Optomux module 9010 9015 9020 this consists of the letter A followed by the requested data fields a checksum and a carriage return delimiter character r Modules using the TCP IP protocol model 9016 and 9021 will typically return the requested data values only without the character The data in the response can be of variable length depending on the number of channels and data format requested These data are returned in the order of highest requested channel number to lowest requested channel number An Optomux response s checksum is calculated by the module in the same way as a command s checksum is calculated by the host except that the acknowledge letter A is not included in the calculation Refer to Section 3 1 2 6 for more information on how to calculate the checksum The host program reading any Optomux module s data response is responsible for checking the integrity of its appended checksum Responses with incorrect checksums should be discarded as this is an indication of a data integrity error Pressure Systems Inc 9000 Series 3 1 3 1 Interpreting Scaled Analog Data 9010 9015 9020 only The standard Optomux command set specifies that modules return restricted resolution scaled data values for each channel These scaled values range from 1000 hex for minimum values and 2000 hex for full scale values Output values less than 1000 hex will be returned if an under range input is applied to a c
136. or A D Board Use the tools and follow the general warnings already described in Section 5 1 1 1 Disassemble the module as described in Section 5 1 2 2 Carefully remove any attached wiring harnesses from connectors P1 P3 and P6 of the PC 280 board In the 9016 this will require cutting one nylon tie wrap attached to the center mounting bracket 3 Remove the three 3 2 56 Phillips head screws securing the PC 280 mounting brackets to the top plate These screws will be in line with the PC 280 LEDs that protrude through the top plate Carefully lift the board out of the top panel See Figure 5 6 Figure 5 6 PC 280 Board 4 Using the Phillips head screwdriver remove the three 3 PC 280 mounting brackets from the old circuit board and reinstall them on the new circuit board Ensure that the mounting brackets are installed so that the clearance areas machined into the mounting brackets are towards the PCB assembly This will prevent electrical shorts between the mounting bracket and electrical traces on the PCB 5 Place the new PC 280 board so that its connectors and LEDS protrude through the top panel Loosely install the three 3 2 56 screws to secure the PC 280 mounting brackets to the top panel To ease reassembly they will be tightened after installing the electronic back into the module case 6 Reinstall any previously installed wiring harnesses on connectors P1 P3 and P6 of the PC 280 board Ensure proper p
137. orrect the module is normally capable of proper communications In order for communications to be established with a functional 9016 or 9021 assuming correct interface cables are used two user controlled parameters must be met First the 9016 must be Pressure Systems Inc 9000 Series configured to obtain a proper and unique module IP address Secondly the user s host computer must have its TCP IP communications interface properly configured 6 2 2 1 Module IP Address Assignment Before an Ethernet 9016 or 9021 can communicate with a host computer it must have a valid IP address assignment As explained in Section 2 3 4 2 there are two methods for assigning an IP address to an Ethernet device ARP and RARP The ARP protocol is the default method for IP address assignment in the 9016 and 9021 This is primarily because it allows the module to assign its own IP address based on a factory default value The RARP protocol is slightly more complicated since it requires a RARP server to be present and properly configured on the network Before host communications can be established the user must ensure that the 9016 or 9021 has been assigned a known IP address through either ARP or RAPR To determine whether ARP or RARP is enabled observe the module TX LED on module power up As explained in section 6 2 1 if RARP is enabled the module TX led will flash one or more times during the power up sequence If the module receives a valid reply the
138. orts of the module The purge supply must also be capable of maintaining proper purge pressure at the high flow rates encountered while the module is in the purge mode Warning Failure to provide proper purge supply pressure will result in migration of moisture and contaminants into the 901x module which can result in permanent damage to module components Pressure Systems Inc 9000 Series When commanded into the PURGE position the purge input pressure will be connected to the numbered measurement input ports allowing for a flow of air away from the instrument The purge cycle should be terminated by commanding the 901x into a non purge mode such as CAL Purge cycles should never be terminated by turning off the purge supply air while in the purge position 2 3 6 4 Leak Mode Inputs 9010 9015 9016 only The purge leak check valve design includes a leak check feature capable of testing the integrity of user pneumatic connections as well as those within the 901x module For the leak mode to be used all RUN mode pressure inputs must be dead ended closed by the user When the 901x is commanded into the LEAK position the CAL input port will be pneumatically connected to module run side inputs Common reference modules will connect only the numbered run side inputs to CAL RUN REF is not charged True differential reference per port modules will connect both the measurement input and reference port to CAL While in the LEAK position a test
139. ot touch the calibration manifold Remove and replace the O rings needing maintenance using the procedure described in Section 5 1 6 1 Note that some O ring seals use an additional Teflon cup seal placed on top of the O ring If the tubing plate requires these seals they should also be lightly greased after installing onto the O rings Examine the adapter plate and calibration valve surface to verify that no contaminants are on either surface Replace the adapter plate by slowly placing the plate on the calibration manifold Make sure that the O ring is down towards the pneumatic sliding manifold and the guiding pin on the adapter plate fits into the mating hole of the calibration valve housing Fasten the adapter plate evenly on all sides 7 Install the DH200 transducers that were previously removed It is suggested to intall them back in their original location 8 Replace the PC 206 board as described in Section 5 1 3 1 and reassemble the module 9 Test your scanner to ensure proper operation Pressure Systems Inc 9000 Series 5 1 6 4 Calibration Manifold Piston O Ring Replacement 9010 9015 9016 only The following is a step by step procedure to replace a Calibration Manifold O Ring in a model 9010 9015 or 9016 Intelligent Pressure Scanner 1 Disassemble the module as described in Section 5 1 2 2 Remove the PC 206 Amplifier Multiplexer board as described in Section 5 1 3 1 Lay the circuit board aside on an anti stat
140. output voltage at 0 psi FLOAT temperature 4 temperature output voltage at 0 psi FLOAT 32 temperature 5 temperature output voltage at 0 psi FLOAT 30 31 Z 2 2 3 5 5 jo Q JQ JQ JO m m m moles Pressure Systems Inc 9000 Series Coefficient Transducer Coefficient Description Datum Index Type date of calibration field coefficient index 08 identifies the date of factory calibration for the DH200 transducer It is stored internally as a 32 bit integer whose value is in the formate of yymmdd year month day The user defined date field coefficient index 07 is a 32 bit integer which may be encoded in a similar manner Possible uses are to indicate the date of last user zero and or span calibration or possibly the date of next required calibration If this optional field is used the user is responsible for correctly encoding the date into the proper 32 bit integer value Any modifications of the user defined field using the Download Internal Coefficients v command will result in the new value automatically being entered to transducer nonvolatile memory A special single EU Conversion Scaler Coefficient array is selected with array index 11 hex All the valid coefficient indexes for this array only are listed in the following table Coefficient EU Conversion Scaler Coefficient Description Datum Index Type Pressure Systems Inc 9000 Series Examples 1 Send command to Opto
141. possible Refer to Section 3 1 3 3 for information concerning interpreting the returned scaled offset values models 9010 9015 and 9020 only Note The calculated offset values will be lost when the module is powered off To save these offset terms to each transducer s nonvolatile memory refer to the Set Operating Options command Examples 1 Send command to Optomux module 175 AF hex to calculate and set offset coefficients for channels 16 through 9 and channel 1 include the DC hex checksum Assumes zero pressure is applied to all channels 2AFhFFOIDCr Read the response containing all the returned scaled offset values that were calculated and stored in the module s volatile main memory also read the 2C hex checksum A0003000400050004000300060007000800302Cr The following offset values are returned in the response above channel 16 0003 channel 15 0004 channel 14 0005 channel 13 2 0004 channel 12 0003 channel 11 0006 channel 10 0007 channel 9 0008 channel 1 0030 Send command to a model 9016 TCP IP module via its open socket to calculate and set offset coefficients for channels 16 through 13 hF000 Read response containing all new offset values also stored in the module s volatile main memory 0 0010 0 0020 0 0015 0 0025 Actual offset values are returned in the above response as decimal fixed point ASCII strings with single space characters separating
142. presents the calculated checksum Send command to TCP IP e g model 9016 module 1 via its connected socket that returns same format and channels of first example r11110 Response contains data for channels 13 9 5 and 1 left to right 1 234000 0 989500 1 005390 0 899602 Pressure Systems Inc 9000 Series READ TRANSDUCER TEMPERATURE Non Standard Command t 9016 9021 only Purpose Returns the most recently acquired engineering unit temperature data in C for the specified channels Each datum returned in the response will be in the specified high precision data format Core String Full Optomux String Command tppppf unimplemented 47 is the command letter pppp is the position field P is the format field Response dddd dddd unimplemented are the data fields each with leading space except binary format 7 Description 4 character hex position field pppp specifies a 16 bit binary bit map with each set bit 1 specifying a particular channel number 16 1 left to right The 1 character format field f specifies the format of each data field dddd that will be returned in the requested response The first datum returned in the response will be for the highest channel number supplied Each following datum will be preceded by a space character Some formats may not be applicable to the specific type of data being requested Valid formats are shown in the follo
143. r Up Clear LOCATI 15 prin Read Data LOCATI 15 prin ReZero LOCATE 1 159 prin Span Cal LOCATE 1 15 prin Quit LOCATE 1 1 5 prin Choose One DO Selection INKEYS LOOP UNTIL Selection IF Selection lt gt 5 THEN LOCATE 15 15 print Sending Command LOCATE 16 18 ENDIF IF Selection 1 THEN Send a Power Up Clear print 1 gt 01 Output the command to Module print gt 01 Output the command to Screen LOCATE 18 15 print Waiting for Response LOCATE 19 18 GOSUB GetResponse Get response from the Module if ERRCODE S lt gt 0 THEN print RESPONSE FROM MODULE else print Response endif Pressure Systems Inc 9000 Series TE EE LE ENDIF Selection 2 THEN Send Read Analog Inputs Command print 1 01LFFFF Send the Actual Command print gt O1LFFFF Send the Actual Command to Screen LOCATE 18 15 print Waiting for Response LOCATE 19 18 GOSUB GetResponse Get response from the Module if ERRCODE S lt gt 0 THEN print RESPONSE FROM MODULE else print Responses endif ENDIF Selection 3 THEN Send Calc and Set Offsets print 41 01hFFFF Send the Actual Command print 01hFFFF Send the Actual Command to Screen LOCATE 18 15 print Waiting for Response LOCATE 19 18 GOSUB GetResponse Get response from the Module if ERRCODE S
144. ransducer calibration function referred to as Span adjustment or simply Span Cal Actually there is a provision to supply any suitable upscale pressure e g actual transducer full scale during such a calibration adjustment The Span adjustment calibration will result in a recalculated gain coefficient for each channel being calibrated to compensate for any transducer or module gain errors For best results a Rezero calibration should be performed before performing a span calibration For the models 9010 9015 and 9016 with integral DH200 transducers internal manifolds and valves allow a Span adjustment pneumatic calibration to be accomplished easily and automatically For the model 9020 and 9021 which has external 9400 9401 or 9402 all media transducers the user must supply any necessary valves and controls to accomplish the application of an upscale pneumatic or hydraulic pressure to these transducers It is recommended that a Span adjustment be performed whenever new transducers are installed in the instrument In such cases the new span coefficients should always be stored back into the transducer s nonvolatile memory afterwards In other cases the user s application may not require periodic span adjustment as the other factory determined pressure temperature coefficients stored permanently inside each transducer are extremely stable Only an occasional Rezero adjustment may be all that is necessary When instructed t
145. ressure Systems Inc 9000 Series 7 2 General Configuration Requirements AII Models In order for the Start Up software to communicate with RS 422 485 modules 9010 9015 9020 on the network these modules must be attached to an available COM port on the PC and must communicate at a proper speed AII data transmitted is at a certain speed called the baud rate and both module s and PC must use the same speed Selection of a module s baud rate is described in Section 2 3 4 1 6 An additional communications option to configure is the Time Out Delay for the COM port This value is the amount of time the PC waits before it decides that a module is not going to respond to the command Available configuration selections are as follows COM Port COMI 2 default COM3 Baud Rates 2400 4800 9600 default 19200 or 38400 Time Out Value 5 30 seconds default 2 10 seconds 7 2 1 Getting Around This software accepts user input from a mouse or the keyboard To use the mouse just point to the item or menu and press the left mouse button That item or menu will now be activated To activate a menu with the keyboard hold down the ALT key and the starting letter of the desired menu To activate any submenu press the arrow keys to highlight the desired item or press the starting letter of the submenu Once it is highlighted pressing ENTER will activate the submenu To activate a submenu with the mouse just left click on
146. returned for every channel scanned by the module If a 4 byte position field is specified a data field dddd will be returned from every channel with a bit set to 1 in the position field The response returns four 4 hexadecimal characters for each data field requested highest requested channel number s datum first Each such datum is a standard Optomux scaled value 1000 hex to 2000 hex However the string 2222 will be returned instead of dddd for any datum requested from a bit position with no channel to scan e g requesting data from Channel 10 of a Model 9015 which has only 8 channels Refer to Section 3 1 3 1 to interpret the scaled values returned by this command For users concerned with better data resolution the non standard Read High Precision Data r is provided by all System 9000 Intelligent Pressure Scanner modules Send command to module 144 90 hex to read channels 1 and 3 only include 7A hex checksum 290L00057Ar Read this response from module with 9A hex checksum A100018889Ar This successfully returned 4096 1000 hex for channel 3 and 6280 1888 hex for channel 1 Pressure Systems Inc 9000 Series Send command to module 69 45 hex to read its channels 1 5 9 and 13 only include 79 hex checksum gt 45L111179r Read this response from module with OE hex checksum A20001020103010400Er This returned 8192 2000 hex for channel 13 at max full scale 4128
147. rovide an indication of the current valve position 7 5 2 Transducer Information This command queries each module s transducer ranges and then displays the pressure range of each channel in PSI 7 5 3 Download This command is used to upgrade module firmware when new software revisions are released see Section 5 2 7 5 4 Raw The user can type raw Optomux commands that will be sent directly to the specified module The user must be familiar with the format of the Optomux command The complete packet must be specified including the start character the module address the command byte the data the calculated checksum and the delimiter character a carriage return Alternatively the 22 may be used in place of a calculated checksum The command sent will be displayed in the Sent box at the bottom of the screen and any response returned by the module will be displayed in the Recd box at the bottom of the screen Refer to Section 3 for detailed command format and proper use of the checksum feature 7 5 5 Acquisition The software displays each channel s measured value in the engineering units selected These values are updated for each data set acquired by the host The Sent and boxes at the bottom of the screen display the actual Optomux packets being sent and received 7 5 6 Help Executing Help displays a screen giving a brief description of each menu of this software There is also a help line at the bottom of
148. s Three types of responses can be returned from a System 9000 Intelligent Pressure Scanner module an Error response an Acknowledge response or an Acknowledge with Data response The Optomux Error response consists of the letter N for or negative acknowledge followed by a 2 digit hexadecimal error code and a carriage return character r If the TCP IP protocol is used e g Ethernet model 9016 or 9021 the r is not appended This type of response does not return a checksum Error codes that can be returned from a System 9000 module are listed below in Table 3 1 and in Appendix B Table 3 1 Optomux Error Codes MEANING Power Up Clear Expected Undefined Command Received Optomux CheckSum Error unused by TCP IP Input Buffer Overrun Invalid ASCII Character Received Data Field Error Communications Watchdog Timeout Error Specified Limits Invalid SYSTEM 9000 error invalid parameter The Acknowledge response is returned from a module when a command is received that requires no data to be returned and no error is detected It indicates successful parsing and execution of the last received command It consists of the letter for ACK or acknowledge followed by a carriage return delimiter character r No checksum is returned in this response If the TCP IP protocol is used the is not appended The Acknowledge with Data response is returned when a module receives a command requesting data F
149. s The engineering units value of the offset correction term may be calculated by multiplying the returned signed integer value by the pressure range s bit weight as described in Section 3 1 3 1 The 9016 and 9021 modules return ASCII floating point values representing the calculated offset correction term in current engineering units The use of the Calculate and Set Offsets h command causes the module to update internal engineering units coefficients and automatically add the new correction term before outputting engineering units data If it is desired to view the new offset coefficients directly in a higher resolution the Read Internal Coefficients command may be used Refer to Section 4 2 for details on performing rezero calibrations 3 1 3 3 Interpreting Scaled Gain Values Span Calibration Models When a System 9000 Intelligent Pressure Scanner module is instructed to execute the standard Optomux command Calculate and Set Gains Z a datum corresponding to the calculated gain correction term is returned for each affected channel in the command s response For the Optomux 9010 9015 and 9020 modules this datum is a 16 bit binary value which is transmitted as four ASCII hex characters This data is in a scaled fractional format scaled down from an implied internal decimal floating point number 9016 and 9021 return the requested gain correction terms directly as ASCII floating point values scal
150. s 9010 9015 and 9016 with internal transducers and calibration manifold However similar symptoms may be encountered with external pneumatic hydraulic calibration equipment connected to a model 9020 s all media transducers Module s Supply Air input is either not attached or does not provide enough pressure to shift the calibration valve This results in the calibration valve remaining in its current position even though module commands have requested movement of the valve This causes incorrect pneumatic inputs during calibration commands module s calibration valve is not placed in the correct position before executing the Span calibration command Calculate amp Set Gain This command will not automatically shift the valve to the CAL position before taking data as the Rezero calibration command does The user must manually control the calibration valve position using the Set Operating Options w command if the CAL and CAL REF inputs are to be used The ReZero calibration command Calculate amp Set Offsets will automatically shift the calibration valve unless the option is disabled with the Set Operating Options w command The valve will be placed in the CAL position with a small delay before taking Rezero data Afterwards the valve will be placed in the RUN position Zero offset and Span gain correction terms are not automatically saved in transducer nonvolatile memory If they are not saved using the Set Operatin
151. s an optional hex datum field bbbb is an optional hex backoff field Response A is the acknowledge letter Description option index field identifies a new value for a specified option setting or causes internal operation to be initiated The optional hexadecimal datum field dd must contain 2 characters The optional backoff field bbbb is only used by certain options of the TCP IP model 9016 or 9021 option indexes and associated datum are listed in the following table indicates that no datum should be supplied in the command Option or Operation Description I Execute Internal Self Test 01 Update Internal Thermal Coefficients 02 I Reserved Set CPU Clock Speed 07 Store Nonvolatile Data to Flash Memory 9010 9015 9016 only Store current transducer offset terms in all transducers non volatile memories WE Store current transducer gain terms in all transducers non volatile memories 01 10 Set Number of Channels in Module default 8 or 10 is model dependent for models 9010 9015 9016 only 00 Enable Automatic Shifting of Calibration Valve during calibration command Calculate and Set Offsets h default 01 Disable this function User will manually control calibration value For models 9020 and 9021 Store Nonvolatile Data to Flash Memory 0C for models 9010 9015 9016 only reserved for model 9020 and 9021 00 Place calibra
152. s definition and control options of this command Core String Full Optomux String Command di unimplemented is the command letter ii is a blank a subcommand index augment code are other blank separated optional data fields per subcommand augment code ii Response unimplemented is the acknowledge letter Autonomous Depends upon the particular subcommand ii sent unimplemented Packet See below Description firmware of a model 9016 module once fully initialized continuously scans and converts data for all pressure channels at the highest possible speed in channel number order 1 16 The result of such scanning is a continuously updated eu data buffer available to three concurrent host data delivery tasks or available to other standard data acquisition commands in the module Each host delivery task can grab engineering unit data values from the eu data buffer and deliver them to the host in its own programmable data stream a sequence of TCP IP packets that autonomously arrive in the host as long as the host has enough TCP IP buffering space to hold them Special augments of this command can configure each data stream with the particular channels whose data are delivered the datum format the delivery rate and other characteristics It can also start stop or undefine a single stream or all defined streams The maximum rate of any one stream s del
153. se steps Left click the Windows START button Move the mouse pointer to RUN and left click on it At the prompt type ping xxx xxx xxx xxx where XXX XXX XXX XXX represents the IP address of the device to test The IP address of an Ethernet 9000 module should be used A small DOS window will appear as the ping application executes The ping program will either report that a reply was received or that it failed to receive a reply If the ping application reported receiving a reply the host computer and the 9000 module are both properly configured for TCP IP communications If an error free ping reply was not received rerun the ping application using the IP address of the host computer This will verify if the TCP IP protocol was properly configured on the host computer If a ping reply was not received verify the TCP IP installation steps for your host computer Also verify that the host computer is configured for the proper IP address and subnet mask If the ping test of the host computer s IP passed while the ping of the 9000 module failed check the following possible sources for error Ensure that the 9000 module s IP has been assigned as explained in section 6 2 2 1 and that the correct IP was used for the ping test Ensure that the IP address of the host computer and the 9000 module are not duplicated on the network Ensure that the link LED s are active on the 9016 and the Ethernet hub or switch to which it is attached Also e
154. sequent engineering unit data conversions performed All System 9000 Intelligent Pressure Scanner modules use a third order polynomial to convert transducer output voltage to pressure All calculations are carried out internally using high precision math The following formula is used for all pressure output calculations P V C T V C T V C T V7 span where Applied pressure V Transducer output voltage Conversion coefficients generated from calibration data at temperature T Rezero correction coefficient C SPAN Span correction coefficient Since the polynomial s coefficients are a function of the current temperature they are dynamically re calculated by the module firmware with other equations to compensate for each transducer s measured temperature change model 9020 and 9021 allow their channels to be independently configured with or without an attached digital pressure transducer When the model 9020 detects the presence of a 9400 gauge or 9401 absolute pressure transducer on a channel all pressures calculated and returned for that channel are in gauge pressure units or absolute pressure units respectively Likewise the 9020 firmware expects any user specified calibration pressures to be in these appropriate gauge or absolute units When the model 9020 detects no digital pressure transducer on a channel all data calculated and returned for that channel are in
155. ser s host computer e g ports COMI or COM2 on a PC and the System 9000 module Turn the module s power OFF place DIP switches 8 and 9 in the OFF position and then turn the module s power ON This switch configuration places the module in the firmware upgrade mode The module will not execute data acquisition functions in this mode Carry out one of the following steps based on the desired download program Via START Program Execute the START program on the host PC Ensure the proper COM port is selected INIT COM PORT menu Select 59000 menu selection from the main menu From the S9000 submenu select the DOWNLOAD function Enter the name of the firmware download file including drive path if required This file name should be written on the firmware upgrade floppy diskette s label e g 200 8 HEX Via DNLOAD Program on Diskette Pressure Systems Inc 9000 Series Execute the DNLOAD program on the host PC When requested by the program enter the PC COM port that is attached to the System 9000 module Next enter the name of the firmware download file including drive path if required This file name should be written on the firmware upgrade floppy diskette s label e g 200 16 HEX Continuing With Either Program download program will transmit each line of the firmware hex file to the module with the module verifying receipt of each line In the event that the download program does not receiv
156. should be sufficient 7 Test your scanner to ensure proper operation Pressure Systems Inc 9000 Series 5 1 3 2 PC 242 Amplifier Multiplexer Board 9020 9021 only The following procedures should be used for replacement of the PC 242 Amplifier Multiplexer Board PC 242 is attached directly to the top plate of the 9020 and 9021 Note that slightly different revisions of the same board are used which contain different external connector styles The 9020 version typically uses pluggable terminal strip connectors for external transducer interfaces The 9021 makes use of 9 pin D shell connectors Use the tools and follow the general warnings already described at the start of Section 5 1 1 Disassemble the module as described in Section 5 1 2 Carefully remove the wiring harness from connector P1 of the PC 242 board 2 Remove the screws fastening the PC 242 board to the top panel and remove the board assembly For a 9020 this will consist of six 6 Phillips head screws accessed from the circuit board side of the top plate For the 9021 with D shell top plate connectors this will consist of two 2 standoff screws attached to each top plate D shell connector for a total of 24 hex standoffs 3 Install the new PC 242 board by aligning the twelve interface connectors on the board with the cutouts on the top panel 4 Reinstall the hardware that secures the PC 242 to the top panel Install the wiring harness to connector P1 of t
157. space character Most coefficients have a floating point datum type f 0 1 while others have an integer datum type f 5 Sending a datum in the improper format will result in an error response Valid format types for coefficients are shown in the following table ASCII data field returned internal datum before formatting 11 decimal fixed point number 32 bit binary IEEE single precision float 6 digits after decimal point with sign and extra leading spaces as needed per the value shown po 8 char ASCII hex number big 32 bit binary IEEE single precision float endian 8 char ASCII hex number o 32 bit n integer endian The 2 character array index field aa is a hexadecimal value selecting a particular internal coefficient array to receive the downloaded data The first array index aa 01 refers to channel 1 s transducer the 16th aa 10 refers to channel 16 s transducer Finally the last array aa 11 refers to a special global array A single 1 or 2 character coefficient index field c or cc is a hexadecimal value that selects a particular coefficient within the specified array Multiple contiguous coefficients may be specified by using a coefficient index range specified by adding a hyphen negative sign between two such indexes Pressure Systems Inc 9000 Series Examples 1 Transducer Coefficient arrays selected with array indexes 01 through 10 hex special single EU Conv
158. switch is read only during module power up initialization of the firmware thus changing the module address switch will have no affect until the module has been turned off and then on again 2010 9015 9020 oniy 9015 9020 only 2 3 4 1 6 S electing Baud Rate and Data Averaging System 9000 instruments may be configured to communicate on the multidrop network at selected baud rates using the Optomux protocol Each module s multidrop RS 422 485 communications interface always operates with no parity 8 data bits and 1 stop bit Its baud rate is initially set to 9600 at the factory but may be set to other values with the procedure described below See Table 1 2 in Chapter 1 for the range of possible baud rates by model number Changes to baud rate are made using a special procedure via the same DIP switch used to select the node address during initialization at power up During this special baud rate selection procedure the number of averages used during data acquisition is also selected This second value is the number of consecutive samples taken of each input channel before moving to the next channel The factory default is 32 data averages which results in the specified scan rates shown in each model s specifications Table 1 2 in Chapter 1 After the baud rate and number of averages are configured through the special DIP switch procedure detailed below their new values are stored in the module s nonvolatile memory and become the m
159. t binary bit map with each bit set to 1 specifying a particular channel number 16 1 left to right The 1 character format field f specifies the format of each data field dddd that will be returned in the requested response The first datum returned in the response will be for the highest channel number requested and each datum will be preceded by a space character Some formats may not be applicable to the specific type of data being requested Valid formats are shown in the following table ASCII data field returned internal datum before formatting 11 decimal fixed point number 32 bit binary IEEE single precision floating point e u 6 digits after decimal point with sign value and extra leading spaces as needed per the value shown 1 8 char ASCII hex number big 32 bit binary IEEE single precision floating point e u endian value 2 16 char ASCII hex number big 64 bit binary IEEE double precision floating point e u endian value 8 char hex number big endian 32 bit binary integer encoding of e u value times 1000 Pressure Systems Inc 9000 Series 4 byte binary big endian 32 bit binary IEEE single precision floating point value Examples 1 Send command to TCP IP module 5 via its connected socket that returns ASCII decimal fixed point Voltage data for channels 1 5 9 and 13 V11110 Response contains data for channels 13 9 5 and 1 left to right 4 999999 4 989500 0
160. t generated in each run of each stream and increments as necessary A continuous stream may eventually overflow this value which then wraps to 0 before continuing to be incremented for additional packets A limited stream will terminate once this sequence number equals the requested number of packets for the stream The data in each packet will be ordered from highest channel number requested to lowest channel number requested Each datum dddd may be 4 bytes minimum for the binary IEEE single float format 7 or it may have more bytes as needed by its format Examples 1 Start all the streams configured in the previous example c 01 0 Pressure Systems Inc 9000 Series Command c Subcommand Index 02 Stop Stream This subcommand is used to abort the delivery of any previously started host stream in a module one at a time or all together whether the stream was continuous or limited The Stop Stream subcommand s format is 7 Core String Full Optomux String Command c 02 st unimplemented REI is the command letter 027 is the subcommand index ii for Stop Stream st is the stream identifier character 0 all or 1 2 or 3 NOTE all parameters are separated by a blank character Response unimplemented is the acknowledge letter Autonomous command stops generating them unimplemented Packet Description This subcommand stops the current run
161. t to Module Diagnostic Port Cable 9096 940x Interface Cable 9097 System 9000 Power Supply Cable 9400 9401 9402 Media Isolated Pressure Transducer for model 9020 and 9021 Pressure Systems Inc 9000 Series This page intentionally left blank Pressure Systems Inc 9000 Series Appendix Optomux Programming Example BASIC VKKK KKK KKK KKK KK KKK KKK KKK KKK KKK KKK KKK KKK KK KKK KKK KKK KKK KKK KKK KKK kv ko ko ko Ves SAMPLE PROGRAM FOR PSI SYSTEM 9000 OPTOMUX MODULES This program will send four commands to a module Power Up Clear B Read Scaled Analog Inputs Ts Rezero We Span Calibrate This sample program always uses COM 1 set up at 9600 Baud 8 T data bits 1 stop bit and no parity This sample program always uses module node address 1 and assumes Toe that module has a pressure range of 15 PSI and 16 channels Vx TKK KKKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKKKK KKK KKK KK KK KKK TKK K KKK KKK KKK KKK KK KKK KK KK KKK KKK KKK KKK KKK KKK KKKKKKKKKKKK KKK KKK Terminator CHR 13 Terminator of all strings is Carraige Return Response T Response string ERRCODE 0 Error Code 0 indicates NO Error Selection 0 OPEN COM1 9600 N 8 1 CS DS AS 1 Open the COM port CLS WHILE Selection lt gt 5 LOCATI 15 print MAIN MENU LOCAT print LOCAT prin Powe
162. tached channels Following completion of the EU conversion the module will output the requested data channels In this manner users are provided with highly synchronized data from multiple modules When all hardware triggered scan lists are complete or aborted the modules will return to their mode of continuous scanning and EU conversion If a module waits in the idle mode for an extended period of time without receiving a data request it will periodically initiate its own internal data acquisition cycles so as to update internal thermal coefficients When the internal software timer is used to control host stream output rates trig 1 note that the internal clock frequency variances will result in slightly different timing between modules Although these differences in timing are slight they may result in noticeable differences in output timing between modules over a long period of time If synchronized data output is required from multiple modules the hardware trigger mode should be used The per parameter is a positive integer count specified with 1 to 5 numerical characters as needed and its meaning depends on the trig mode selected above Thus o number of hardware trigger periods to wait before sending each packet delay to wait before sending a packet specified in milliseconds The f parameter identifies the format of each datum in each stream packet and is a single numerical digit character Valid format codes are
163. te the A command as the next command will be executed normally Command was ignored IMPORTANT This power up error also indicates that all parameters have been reset to Power Up defaults Undefined or Unimplemented Command The command received was not a legal command character Optomux CheckSum Error unused by TCP IP The checksum received in the last command doesn t match the sum of the characters received Command was ignored 03 Input Buffer Overrun The received command contained more than 512 characters for PSI System 9000 The command was ignored Invalid Character Received Only printable ASCII characters from 21H to 7FH are permitted within commands The command was ignored Data Field Error Invalid data field characters were received too many or too few The command was ignored Communications WatchDog Timeout Error Not implemented in System 9000 Specified Limits Invalid System 9000 error Invalid Parameter Pressure Systems Inc 9000 Series This page intentionally left blank Pressure Systems Inc 9000 Series een Appendix ASCII to Decimal Hexadecimal Conversion Chart m je 9000 Series Pressure Systems Inc Pressure Systems Inc 9000 Series gg Appendix D Binary Bit Map Bit Value Binary Number if Set Position s Jow foo two gt ____ oo foo 0 s 0000 fomo o Poo Decimal to Binary Con
164. that may affect the high tolerance machined parts and pneumatic seals if model has an integral manifold Care must be taken to prevent contaminants from reaching O ring surfaces If O ring surfaces require cleaning use a lint free applicator with Acetone to remove dirt and lightly lubricate the O ring surface with Krytox provided in the maintenance kit Never use sharp objects to cut tubing from the bulged tubes The tiny scratches left on the tubes could cause leaks In the process of performing general maintenance on a module and in printed circuit board replacement the following tools may be required 3 32 and 5 64 Allen head screwdrivers a 3 16 hex wrench a needle nose tweezers a Phillips head screwdriver and a small adjustable wrench Pressure Systems Inc 9000 Series 5 1 2 Module Disassembly The following procedure should be used to disassemble any model prior to any maintenance 1 Place the scanner with its external connectors facing up With one hand holding the module housing remove all screws securing the top plate to the module housing These are located around the outer edge of the top panel of the module housing For 9010 9015 9020 and 9021 scanners these will be six 6 4 40 Allen head screws which require a 3 32 Allen driver The 9016 uses twelve 12 Phillips head screws around the top plate outside perimeter 2 When all screws have been removed gently lift the top panel and attached electr
165. the 16th 10 refers to channel 16 s transducer Finally the last array 11 refers to a special global array Pressure Systems Inc 9000 Series A single 1 or 2 character coefficient index field c or cc is a hexadecimal value that selects a particular coefficient within the specified array Multiple contiguous coefficients may be specified by using a coefficient index range specified by adding a hyphen negative sign between two such indexes Transducer Coefficient arrays selected with array indexes 01 through 10 hex valid coefficient indexes for these arrays are listed in the following table Coefficient Transducer Coefficient Description Datum Index Type 00 rezero adjusument calibration comeciontemm FLOAT FLOAT EU EU EU EU EU FLOAT FLOAT FLOAT conversion coefficient c3 FLOAT FLOAT FLOAT FLOAT E FLOAT 0 10 14 temperature 2 pressures 1 5 voltages FLOAT 15 19 temperature 3 pressures 1 5 voltages FLOAT 1A 1E temperature 4 pressures 1 5 voltages FLOAT 1F 23 temperature 5 pressures 1 5 voltages FLOAT 24 28 temperature 6 pressures 1 5 voltages FLOAT 29 2D reserved for future use temperature 7 FLOAT E temperature 1 temperature output voltage at 0 psi FLOAT temperature 2 temperature output voltage at O psi FLOAT 2 0 OF temperature 1 pressure 5 voltage FLOAT 2 temperature 3 temperature
166. the host interface This simplifies the electrical communications interface to the 9000 module in applications where the limitations of RS 232 versus RS 422 are not an issue ie cable length The 9016 and 9021 use the diagnostic interface for optional configuration and diagnostic purposes only The diagnostic port functions on the 9016 and 9021 are generally not required by the end user Standard cables for these modules do not include diagnostic port connections Pressure Systems Inc 9000 Series 2 3 6 Pressure Connections Models All pneumatic connections to models 9010 9015 and 9016 are found on the instrument top panel The function of each input port is clearly engraved or printed next to each input Connections are through bulge tubing compression fittings or special user supplied fittings on the tubing plate All pneumatic inputs to these modules should contain dry non corrosive gas only For the model 9020 and 9021 all pneumatic or hydraulic connections are to the individual 9400 9401 or 9402 all media transducers mounted externally from the module itself At the time of this manual s writing all 901x standard Intelligent Pressure Scanners are supplied with the purge leak check calibration manifold Through software command to the 901x this valve may be placed in one of four positions RUN CAL PURGE or LEAK CHECK 901x modules without the purge option may be placed in the CAL or RUN modes of operation only Older modules
167. them From left to right they are for channels 16 15 14 and 13 Please note that the acknowledge value is not used by the 9016 when such actual data are returned Pressure Systems Inc 9000 Series READ TEMPERATURE COUNTS Non Standard Command m 9016 9021 only Purpose Returns the most recently acquired raw temperature data for the specified channels in averaged A D counts in the range 32768 to 32767 It is the same as command a except that the raw data reflects a channel s temperature signal instead of its pressure signal Each datum returned in the response will be in the specified high precision data format but representing A D counts as a truncated integer average This command is intended for advanced users only and is not required for normal operation Core String Full Optomux String Command mppppf unimplemented m is the command letter pppp is the position field is the format field Response dddd dddd unimplemented are the data fields each w leading space except binary form 7 Description 4 character hex position field pppp specifies 16 bit binary bit map with each bit set to 1 specifying a particular channel number 16 1 left to right The 1 character format field f specifies the format of each data field dddd that will be returned in the requested response The first datum returned in the response will be for the highest channel n
168. thernet Host Port This allows for firmware upgrade while the module is installed in its normal communications network environment These new firmware releases may be obtained free of charge by contacting the factory for a copy on a DOS Windows compatible diskette or by downloading from PSI s internet home page at www psih com Links to the firmware download page can be found on the home page and in the information page for each model firmware is stored as a self extracting archive file Once downloaded simply execute the download file to extract the archived file s 5 2 1 Upgrading Firmware Via Diagnostic Port 9010 9015 9020 only Although all models may have their firmware upgraded through their Diagnostic port users of the Model 9016 and 9021 are recommended to follow the Ethernet firmware upgrade procedures described in Section 5 2 2 For all other models 9010 9015 and 9020 a PC compatible computer with one available COM port is required to upgrade module firmware via the module s Diagnostic Port A new firmware update file can be transferred to the module by executing either the standard Start Up software or by executing a special download program dnload exe included on the diskette with the new firmware Use the RS 232 Diagnostic Port Cable described in Section 2 3 5 The following steps are used to upgrade to a new version of module firmware Connect RS 232 Diagnostic Port Cable Model 9095 or user supplied between the u
169. tial to the module CAL and CAL REF inputs Place the module calibration manifolds into the CAL position gt 01w0C01 Delay for settling of pneumatic inputs Instruct module to calculate new offset coefficients for all 16 channels 201hFFFF Verify offset null of measured data optional gt 01rFFFFO Place calibration manifold back into the RUN position gt 01w0C00 Store new zero coefficients to transducer nonvolatile memory 201w08 continue normal data acquisition following is a simple step by step procedure for executing a rezero calibration of 9020 or 9021 Intelligent Pressure Scanner with 12 attached Model 9401 external absolute pressure transducers For the purposes of this example it will be assumed that a minimum pressure of 2 5 psia is available for the calibration Description TCP IP Data Optomux Command normal data acquisition halt data acquisition Through external manifolding apply 2 5 psia to the input ports of the 12 9401 transducers Delay for settling of pneumatic inputs Instruct module to calculate new offset coefficients for all 12 channels Verify offset null of measured data optional Store new zero coefficients to transducer nonvolatile memory w08 Restore 9401 pneumatic inputs to test points Pressure Systems Inc 9000 Series 4 3 Span Calibration For improved accuracy the System 9000 Intelligent Pressure Scanners are capable of independently performing a t
170. tic Port Baud Rate POWER SIGNAL REQUIREMENTS 200 200 mA w out internal purge solenoids on mA w internal purge solenoids on Hardware Trigger TTL compatible Threshold diff input 5 VDC common mode 9016 9021 only ENVIRONMENTAL PHYSICAL Calibrated Temp Range to 50 0 to 50 0 to 50 Consult factory for extended temps Operating Temp Range 20 to 60 20 to 70 01070 lt 95 non condensing humidity 30 to 100 C 940x transducers only Size 9 5 x 3 5 x 4 0 9 5 3 5 3 5 inches LxWxH 24 x 9x 10 24 9 9 cm Weight 4 25 901x w Bulge tubing 9 plate 9015 w c tubing plate 6 5 2 0 9016 9020 Pressure Systems Inc 9000 Series Notes Table 1 2 For 901x units manufactured prior to Serial Number 200 V1 12 6 VDC V2 12 6 VDC V3 Do Not Connect internally connected to 5V Unregulated Supply Consult factory for special temperature range calibrations 1 5 Pressure Systems Inc 9000 Series 1 3 Description of Instruments The System 9000 Intelligent Pressure Scanner modules are flexible pressure measuring devices intended for use in test and production environments Models are available with 8 model 9015 12 model 9020 9021 or 16 model 9010 9016 channels each with individual pneumatic or all media transducers per channel The most distinctive features are highlighted below Precalibrated Transducer A memory chip containing full calibration data is
171. tion valve in the RUN position NOW 01 Place calibration valve in the CAL position NOW Pressure Systems Inc 9000 Series Option or Operation Description Reserved Store transducers raw thermal calibration data Reserved Store transducers temperature correction coefficients 00 Disable periodic Thermal Coefficient Update task 01 Enable periodic Thermal Coefficient Update task default 01 FF Set Number of A D Samples to Average default 2 20 hex or 32 decimal for models 9010 9015 or 9020 only reserved for 9016 and 9021 Set RS 422 485 Host Port s baud rate to 1200 Set RS 422 485 Host Port s baud rate to 2400 Set RS 422 485 Host Port s baud rate to 4800 Set RS 422 485 Host Port s baud rate to 9600 default Set RS 422 485 Host Port s baud rate to 19 2K Set RS 422 485 Host Port s baud rate to 38 4K Set RS 422 485 Host Port s baud rate to 76 8K 10 for models 9010 9015 and 9016 only reserved for 9020 and 9021 Set Calibration Valve to RUN CAL position default Set Calibration Valve to PURGE LEAK position for model 9016 and 9021 only reserved for 9010 9015 9020 Disable use of RARP BOOTP server for configuring IP addresses default Enable use of RARP BOOTP server for configuring IP addresses for model 9016 and 9021 only reserved for 9010 9015 9020 Disable use of Back Off Delay for Transmitted TCP IP Messages default Enable use of Back Off Delay for Transmitted TCP IP Messages
172. transmission and error detection correction purposes while still adopting the basic core command and response formats defined for modules using the Optomux protocol With TCP IP protocol the host computer and interconnected modules are all peers that can all communicate equally Each peer must have its own unique logical Address as well as its own unique physical Ethernet Address Any peer may initiate transmissions without permission from the receiver In the System 9000 implementation the host computer is normally a client and generally initiates most transmissions by sending commands to the System 9000 modules which are normally servers However a module can initiate its own transmissions in some operating modes e g the hardware triggered or free run autonomous host streams generated by the Define Control Host Streams command maximum of Pressure Systems Inc 9000 Series 255 modules are easily addressed by varying only the low order byte of a typical IP Address Many more modules may be addressed by also changing the network portion high order 3 bytes of the address With TCP IP any peer may be initially addressed by a logical name that allows its Address to be looked up in the sender s database or in a central network server s database Before the host computer and any module can communicate the host client must request a connection be established with the module server
173. tten back to the affected transducer s nonvolatile memory see the Store Coefficients menu item in Section 7 4 4 below 7 4 2 Span This command will build a Calculate and Set Gain Z command and send the packet to the current module Full scale pressure must be applied to the appropriate input ports of the default module before this command is executed If the module being calibrated has an internal manifold models 9010 9015 its internal valve must be manually placed in the proper CAL or RUN position before executing this command see Section 7 5 1 below This command allows the user to choose which channels are to be calibrated either all F8 or selected ones When the Span calibration is complete the floating point span values generated will be displayed along with the raw Optomux hex data values These new coefficients will also be updated in the module s volatile main memory but will not be written back to the affected transducer s nonvolatile memory see the Store Coefficients menu item in Section 7 4 4 below 7 4 3 Accuracy This command will perform an accuracy check on all channels of the current module The software reads pressure from the module and then calculates pressure measurement errors The applied and measured pressure will be displayed in the selected engineering units along with the pressure difference and percent error percent of full scale pressure When this is first executed the applied pressure
174. tter 9015 9021 9020 La Por i O l a Por mesissledAmbghpus 000 ov oro mesTansesvotges ____ oz 1 Fe a ______ Lo Pe o e pemeCowotHosSmams n Por 1 ____ m _ read Temperature A D Couns n ea Temperate Voltage La Por e Por ____ e ______ read transducer temperate u _ os coetticiens 0 Pressure Systems Inc 9000 Series POWER UP CLEAR Standard Command A Models Purpose Prevents the module from returning Power Up Clear Expected error in response to the first command it receives after a module power up IEEE Core String Full Optomux String Command gt aaAssr Format is the command letter see Section 3 1 2 1 for and ss extra Optomux field definitions Response Format is the acknowledge letter Description Optomux System 9000 instruments 9010 9015 9020 return Power Up Clear Expected error in response to the first command except Power Up Clear command received after the module has powered up This error response provides an indication of module power loss After the initial Power Up Clear Expected error or Power Up Clear command the module responds normally to subsequently received commands The Ethernet mo
175. type of pressure fittings accuarcy measurement speed and type of host communications interface Models 9020 and 9021 are all media intelligent pressure scanners which may be fitted with up to twelve 12 external all media 9400 9401 9402 or third party transducers Because of the external nature of these transducers and the variety of pneumatic or hydraulic media supported the 9020 and 9021 do not contain an integral calibration manifold models provide engineering unit pressure data with guaranteed system accuracy This is achieved by reading factory determined pressure and temperature engineering unit data conversion coefficients from their transducers nonvolatile memories at power up They also allow additional adjustment coefficients to be fine tuned with a 1 or 2 point zero and span calibration under host control e g possibly utilizing optional Pressure Systems 903x Pressure Calibrator modules models may be interconnected into a network via their Host Port normally using multidrop RS422 485 asynchronous serial communications with Optomux protocol The models 9016 and 9021 provide 10 Base T Ethernet communications for their Host Port with TCP IP protocol and Optomux type command format models have a separate RS 232 Diagnostic Port which may be used for diagnostic checks of the module or as an interface to upgrade module firmware Pressure Systems Inc 9000 Series Model 9020 Model 9016 Fig
176. umber supplied and each datum will be preceded by a space character Some formats may not be applicable to the specific type of data being requested Valid formats are shown in the following table ASCII data field returned internal datum before formatting 11 decimal fixed point number 6 32 bit binary IEEE single precision floating point e u value digits after decimal point with sign and extra leading spaces as needed per the value shown 8 char ASCII hex number big endian 32 bit binary IEEE single precision floating point e u value 16 char ASCII hex number big endian 64 bit binary IEEE double precision floating point e u value 8 char ASCII hex number big endian 32 bit binary integer encoding of e u value times 1000 4 byte binary big endian 32 bit binary IEEE single precision floating point e u value Pressure Systems Inc 9000 Series Examples 1 Send command to TCP IP module 5 via its connected socket that returns ASCII decimal fixed point raw temperature A D counts data for channels 1 5 9 and 13 m11110 Response contains data for channels 13 9 5 and 1 left to right 32767 000000 32700 000000 10 000000 16385 000000 Please note that channel 13 is saturated at full scale channel 9 is almost saturated at full scale Channel 5 reads near zero and Channel 1 is about 2 full scale Pressure Systems Inc 9000 Series READ TEMPERATURE VOLTAGES Non Standard Command n 9016 9
177. ure 1 1 System 9000 Pneumatic Intelligent Pressure Scanners Pressure Systems Inc 1 2 Specifications 9000 Series Specifications for the various Intelligent Pressure Scanner models are listed in the following tables Pressure Ranges Proof Pressure Burst Pressure Max Reference Pressure 15 105 30 210 45 310 100 700 250 1720 500 3450 600 4100 750 5200 100 700 250 1725 Table 1 1 Specifications ono ore PRESSURE CHARACTERISTICS Number of Mixed ranges allowed Pressure Inputs 250 1725 500 3500 750 5200 1500 10400 3000 20800 5000 35000 iiis 9400 9401 9402 Gauge Absolute Diff psi kPa 15 105 30 210 50 350 100 700 250 1725 psi kPa psi kPa 9400 Gauge ranges 750 psi 5200 kPa are sealed gauge 940x Ranges gt 750 psi have passive compensation only see ranges above for kPa equivalent see ranges above for kPa equivalent Ranges 5 psi 35 kPa Ranges 5 psi 35 kPa Manifold Control 80 560 psi kPa Min Pressure 125 860 Purge Pressure gt max input pressure n a psi kPa 800 5600 STATIC ACCURACY RESOLUTION amp THERMAL STABILITY Measurement 0 003 F S Resolution Static Accuracy 901x After Rezero Cal 901x After Span Cal 902x with digital comp 902x with no digital comp Total Thermal Error Line Pressure Effect 30 0015 0 001 0 001 0 0008
178. ure of 14 9800 psi is available from a dead weight tester for the calibration of 15 psi internal transducers sixteen channels are 15 psi full scale Description TCP IP Data Optomux Command Disable automatic valve shifting after module power up optional wOBOI gt 010B01 normal data acquisition Perform Rezero calibration 2 12 Place the module calibration manifolds into the CAL position Apply exact full scale pressure to the module CAL and CAL REF inputs 22 Delay for settling of pneumatic inputs 11 Instruct module to calculate new gain coefficients for all 16 channels Verify measured data reads expected full scale optional Place calibration manifold back into the RUN position Pressure Systems Inc 9000 Series 4 4 Coefficient Storage The Rezero adjustment and Span adjustment calibration commands update local offset and gain coefficients respectively in the module s volatile main memory RAM only These newer calibration coefficients will be lost when instrument power is turned off The Set Operating Options command may be used to also store these coefficients back in each transducer s nonvolatile memory This command s option index 08 will store new offset coefficients while its option index 09 will store new gain coefficients The validity of these coefficients should be verified before storing them into the transducer s nonvolatile memory With the Optomux 9010 9015 9020 the sta
179. use of the RARP capabilities of the 9016 and 9021 a simple Windows 95 NT application was developed by Pressure Systems which is capable of acting as a RARP server This application is referred to as BOOTP Light since it actually makes use of a subset of the BOOTP protocol that closely resembles the RARP Request Like traditional RARP servers this application allows the user to configure a file that contains Ethernet hardware addresses and the corresponding IP address to assign to those devices This application is free of charge and capable of running as a background program on Windows 95 and NT machines Use of RARP or ARP may be selected through the Set Operating Options w command If you are unsure how your module is configured check the TX LED during module power up If it begins to blink periodically after the module power up your instrument is configured for the RARP protocol If configured for RARP a RARP server must be configured on the network to return an IP address to the module Without an IP address the host will be unable to open a TCP IP connection to the module Pressure Systems Inc 9000 Series OOOOOOO AmMZZ gt 0H POWER SUPPLY 24VDC POWER AND COMMUNICATION DISTRIBUTION 10 BASE T HUB ye IEEE 802 3
180. version 892 dec 512 256 64 32 16 8 4 0000 0011 0111 1100 binary 3 7 C hexadecimal Pressure Systems Inc 9000 Series This page intentionally left blank Pressure Systems Inc 9000 Series Appendix E Cable Diagrams T mosso es _ _ 9020 to 940x Interface Cable 9020 E 9021 to 940x Interface Cable 9021 E 9021 to Series 27 Interface Cable 9021 E E Power Supply Cable 9010 9015 9020 Ethernet Interface Cable unterminated host 9016 9021 E Ethernet Interface Cable 9016 9021 E 10 3 4 5 6 7 8 9 Pressure Systems Inc 9000 Series 6 PIN PLUG 9 PIN D SHELL FEMALE P N 09 17 06617 B 09 26 0350 SHIELD BLACK YELLOW BLUE RED CABLE P N 26 03 04245 24 AWG STRANDED WIRE TWISTED PAIR W SHIELD NOTES 1 WIRE ENDS SHOULD BE STRIPPED OF INSULATION TO EXPOSE 0 200 OF BARE WIRE ON 6 PIN PLUG END DO NOT TIN WIRE BEFORE INSTALLING IN TERMINAL CLAMP ON 6 PIN PLUG END PLACE HEAT SHRINK ON BOTH ENDS WHERE OUTER INSULATOR JACKET IS CUT USE D SHELL HOUSING ON 9 PIN END P N 09 38 DA9H USE 6 PIN SHELL ON 6 PIN PLUG END P N 09 38 4385 CUT KEY ON TxB PIN OF 6 PIN CONNECTOR AS SHOWN IN VIEW 1 System 9000 RS 422 Host Interface Cable P N 9093 Pressure Systems Inc 9000 Series 6 PIN PLUG 6 PIN PLUG 09 17 06617 PIN 09 17 06617 SHIELD BLACK YELLOW BLU
181. wing table ASCII data field returned internal datum before formatting 11 decimal fixed point number 6 32 bit binary IEEE single precision floating point e u value digits after decimal point with sign and extra leading spaces as needed per the value shown 8 char ASCII hex number big endian 32 bit binary IEEE single precision floating point e u value 16 char ASCII hex number big endian 64 bit binary IEEE double precision floating point e u value 8 char ASCII hex number big endian 32 bit binary integer encoding of e u value times 1000 4 byte binary big endian 32 bit binary IEEE single precision floating point e u value Pressure Systems Inc 9000 Series Examples 1 Send command to TCP IP module 5 via its connected socket that returns ASCII decimal fixed point temperature data for channels 1 5 9 and 13 t11110 Response contains data in C for channels 13 9 5 and 1 left to right 21 234000 20 989500 21 005390 20 899602 Pressure Systems Inc 9000 Series READ INTERNAL COEFFICIENTS Non Standard Command u Models Purpose Returns one or more contiguous requested internal coefficient s in a specified internal coefficient array and in the specified response data format Core String Full Optomux String Command ufaacc cc aaufaacc cc ssr u is the command letter see Section 3 1 2 1 for aa and ss P is the format field
182. witch position 0 switch ON 1 switch OFF NOTE factory default SUPPLY 100 PSI 700 kPa DEFAULT CONFIGURATION OF ADDRESS SWITCH Figure 2 6 Address DIP Switch Pressure Systems Inc 9000 Series 2 3 4 2 Ethernet Host Port Hookup 9016 9021 only If you have a model 9010 9015 or 9020 with serial RS 422 485 Host Port skip this section and proceed to section 2 3 5 If you have a model 9016 or 9021 with Ethernet Host Port continue reading The Ethernet Host ports of every model 9016 and 9021 Intelligent Pressure Scanner module and its host computer may be interconnected in a star network via a standard 10 Base T interconnection hub These standard devices will have their own power requirements Such a hub treats the host computer connection and all System 9000 module connections alike Ethernet communications pin assignments for the 9016 and 9021 electrical connector are shown in Figure 2 7 See Figure 2 8 for typical network topology ETHERNET COMMUNICATION Figure 2 7 Ethernet Host Port Connector Pins host and each module must have a unique Ethernet Hardware or MAC Address and a unique Address The Ethernet Hardware address is generally fixed at manufacturing time of the Ethernet microprocessor board inside the module The Ethernet Hardware address is shown on each module s label Ethernet Intelligent Pressure Sc
183. with self metering purge are described in a separate applications note available on request Pneumatic input requirements for these four operating positions are described in the following sections The following guidelines should be used when installing pressure connections to all System 9000 Intelligent Pressure Scanner modules Always wear safety glasses when working with pressurized lines Ensure that user input pressure will not exceed the proof pressure ratings of the corresponding instrument transducer Applying excessive pressure to measurement inputs can permanently damage the pressure transducers Ensure that all tubing material is rated for the expected pressure and environmental conditions Failure to use the proper tubing material may result in ruptured lines and possible personal injury Ensure all high pressure lines are properly secured Place retaining springs over all bulge tube fittings to ensure pneumatic lines remain attached and leak free Springs should be pushed down on connections so that half of the spring length extends past the tube bulge Warning Introduction of contaminants or corrosive materials to the module pneumatic inputs may damage module transducers manifolds and O ring seals Users of the 9020 and 9021 may proceed to section 2 3 7 since these modules do not require any pneumatic connections to the module itself Pressure Systems Inc 9000 Series 2 3 6 1 RUN Mode Inputs 9010 9015 9016 o
184. y align with the two PC 206 mounting holes 6 Test your scanner to ensure proper operation 5 1 5 Calibration Valve Solenoid Replacement The following is a step by step procedure to replace the Calibration Valve Solenoids in a model 9010 9015 or 9016 Intelligent Pressure Scanner Modules containing the purge and leak check calibration manifold will contain two solenoid valves Models without this feature will contain only one solenoid Use the tools and follow the general warnings already described at the start of Section 5 1 1 Refer to Section 5 1 6 5 for details concerning solenoid o ring replacement 1 Disassemble the module as described in Section 5 1 2 2 Carefully remove the two 2 Phillips head screws from the top of the solenoid Disconnect the solenoid from connector P6 of the PC 203 CPU board models 9010 and 9015 or the PC 280 CPU board model 9016 See Figure 5 8 3 If the either the new or old solenoid does not have a pluggable wiring harness at the solenoid the new solenoid wires will require crimp pins to be installed for insertion in the P6 mating housing The proper crimp pin is Molex part number 08 56 0110 After installing the crimp pins to the solenoid wiring remove the old crimp pins from the Molex P6 housing and insert the new solenoid s wiring Ensure that the new wires are installed in the same position as the old wires essay E Figure 5 8 Solenoid in Module

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