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Model 903X Pressure Standard & Pressure Calibrator User's Manual

1. Resolution 100 C at FS C at zero FeO NF T Le ee 100 N 10000000 36000 40000 _ 3 6 N Measurement time NT For N 2000 Resolution Eu 0 0018 FS Pressure Measurement Time 2000 ES 56ms 36000 The pressure period is related to applied pressure by basic physical principles of vibrating beams T i p CQ d DQ S Z T T p applied pressure T pressure period C D T transducer calibration coefficient S span adjustment Z zero adjustment The nominal temperature frequency output is 172 kHz and varies 50 ppm C To measure the temperature period the reference clock is gated into the 24 bit counter for a number of temperature cycles rae Cee N U temperature period C rs temperature counts N number of temperature cycles F reference frequency Page 0 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual The number of temperature cycles N is the same number used to measure pressure period The temperature resolution and measurement time is l NEF Se 50 ppml9C 1 N 1000000 172000 344 N LV Resolution 0 00005 Measurement time N U For N 2000 344 Resolution 17 C 2000 ee oe 2000 es Measurement time 12m 172000 The temperature induced changes in the quartz pressure resonator and in the pressure mechanism are compensated by adjusting the coefficients C
2. eee Chapter 6 Troubleshooting Guide 6 1 Initial Set up Troubleshooting Initial module troubleshooting techniques may vary PSI recommends approaching 903x module troubleshooting in the following sequence e First module operation should be tested to verify that the instrument is operating correctly and has not detected an internal failure G After verifying that the module is in good working order configuration of the host communications hardware and software drivers needs to be checked Most of this discussion will be directed toward PC compatible host computers After ensuring that the host computer is configured to communicate properly the interface between the host computer and the NetScanner System module must be examined This will be directed toward establishing communications with a single module through the Ethernet TCP IP interface If the Model 903x module does not appear to function correctly after the following procedures have been completed consult the Applications or Repair Department at Pressure Systems Inc at 1 800 678 SCAN 7226 6 1 1 Checking Module Operation Verify proper power is present at the module Measure voltages at the round host connector port Measure the voltages at pins P and R in accordance with the diagram at Figure 2 1 Ensure that the input voltage of 24 VDC 2500 mA is present at the connector port 8 Run the module internal self tests as described in Section 2 8 3 This is
3. is the stream id digit 1 2 or 3 or O all streams NOTE all parameters separated by a space Response A is the acknowledge letter Autonomous command stops generation of autonomous packets from the Packet reguested stream s Description This sub command suspends the current run of a particular specified host stream st 1 3 or suspends the current run of all configured host streams with a single command sf 0 The suspended stream may be resumed for any new runs with the Start Stream sub command as long as that stream remains defined in the module The Clear Stream sub command may be used to un define a stream Any stream must first be reconfigured with the Configure A Host Delivery Stream sub command 00 to be fully restartable with the Start Stream sub command i e to start again with sequence number 1 for run s first packet If the alternate configure command sub command 05 was part of a stream s configuration process it need not be executed again to reset the seguence number and its configuration parameters remain intact Example e Stop all the streams configured in the previous example c 02 0 Read response A Page 38 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual Command c Sub command Index 03 Clear Stream This sub command is used to un define any previously configured host stream in a mo
4. ASCII Hexadecimal Conversion Chart DEC HEX ASCII DEC HEX ASCII O E h 33h 34h 35 36h oO A 37h O 38h O O IA jo o jorjo A a N o H oO I IN o IAIA jo IN 39h N Page 95 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual This page intentionally left blank Page 96 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual Appendix F Binary Bit Map Bit Value Bit if Set Position 0000 0000 0000 0001 a ae 2 2 ooo foooo oo00 ooro a la ooo oooo foooo foroo e J4 joooo foooo oo00 1o00 s2___ e oooo foooo ooro oooo 128 e oooo foooo 1o00 o000 2e6___ 9 oooo oo01 foooo foooo Binary Number Decimal to Binary Conversion 892 dec 512 256 64 32 16 8 4 0000 0011 0111 1100 binary 3 T C hexadecimal Page 97 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual This page intentionally left blank Page 98 www PressureSystems com Pressure Systems Inc 34 Research Drive Hampton VA 23666 USA Phone 757 865 1243 Toll Free 800 328 3665 Fax 757 865 8744 E mail sales PressureSystems com
5. Model 903X Pressure Standard amp Pressure Calibrator User s Manual March 2008 NetScanner System www PressureSystems com 9This User s Manual is a copyright product of Pressure Systems Inc 2008 Permission is hereby granted to make copies and distribute verbatim copies of this manual provided the copyright notice and this permission notice are preserved on all copies Pressure Systems Inc NetScanner System Model 903x User s Manual Table of Contents Chapter 1 General Information ccccceesseeeseeeseeeecesseeeecenseeeeoeseeseeeseeeeeonseeeseoenseesooees 1 1 1 Description of the IristTUment eie eie ANN DDAW NO GARO Oo CG ORAU A Yd O GR On A 1 T2 OPUS ce Y ge OU dd YNYD NE an 2 ke Pressure Hi dhideS ae i iai iai an CR A a Cw DR GT UF 2 12 2 Pneumauc Connections A Y Yd AO O NN GEN L DA Aa 2 1 2 3 Communications lnterfaC6 eeu Y I LG GG GG GYG GG GG LLC YL LLYRY YF FY Y FAN 2 1 24 Bigialll lO ConnecliOn amp au Ew A CIO CD Y a aaia 3 Chapter 2 Installation and Set Up ccc tecseeesseeseeeeeeneeeeseenseeeeeenseeeseeeseessoonneesseenseessooaes 5 2 1 Unpacking and INSPECCION Gae E a NO di DE 5 22 GeV ConciderationS eu ee RT CF FRO nU CYD 5 2 3 Preparation tOr USG ccoin iea a a E ae a a Yn 5 DSM jE AVIFOMMCM eaaa a a HF 5 2 2 POWO a a I Cn AGO AR A Cate aay orn ane eer ee a 6 2 3 3 MOURUNG DIMENSIONS aaa Gan Gn GORYN RD A GC AN A CR RY ANN Y i 7 2 3 4 Ethernet Host Port Hook
6. appears in the configured stream is sync type O hardware trigger 1 clock is the period if sync 0 of trigger periods or if sync 1 delay timer period in msec is the format of each EU or auxiliary datum delivered in stream but not any status datum is the number of packets delivered in stream O unlimited continuous gt O limited NOTE all parameters are separated by a space Response A is the acknowledge letter Autonomous none generated Packet Description Configures a particular stream st to deliver data packets autonomously to the host with each packet containing selected acquired data A Model 903x module has only one 1 EU pressure input channel However its EU Temperature channel and limited other auxiliary temperature and pressure data can be made available to the host by mapping them to unused EU pressure channels 2 16 see Table 3 1 or 3 6 These channels may be all specified by a bit map 4 16 bits encoded as a 1 4 hex digit position field llp plp p This limited method is retained for compatibility with Iegacy 903x module firmware but cannot deliver all available forms of auxiliary data and status data Alternately an optional c sub command 05 provides an unlimited method of selecting available auxiliary data forms and status data to be included in each stream This unlimited method is provided if this sub command iir00 specifies only the one true EU pressur
7. calibration pressure P_ pressure measurement m Z adj S li inear regression coefficients Read the old zero and span coefficients from the module using the u command These values are located in array type O at index 1 zero and at index 2 span Calculate the new values Dies SS new adj Lie as new UL Use the v command to send the new values to the module and the w command to store them permanently in the modules non volatile memories Orientation of the module is important for zero calibration of 9033 and 9038 modules with standard type DPT The zero adjustment should be determined and applied with the module physically oriented in the same position it will be operated Page 74 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual 4 4 DH200 Calibration The 9034 and 9038 pressure calibrator modules also use a DH200 silicon pressure sensor for rapid control response Except after replacing the DH200 sensor calibration should not be reguired To calibrate the DH200 sensor e Connect an air supply to the module Install a cap or closed volume to the output port 9 Calibrate the DH200 sensor with the w command index OC e Store the new values in the module s non volatile memories with the w command index 07 Page 75 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual This page intentionally left
8. EU Temperature in NC first then all the raw values in counts zero reference temperature and pressure 31 234000 12 000000 28000 000000 16324 000000 32033 000000 Page 53 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual READ INTERNAL COEFFICIENTS Command u Purpose Reads one of several internal values using a high accuracy data format These values may be calibration coefficients configuration data measurements or the results of internal computations Command ufaaii ii is the command letter is the format of each datum returned in the response aa is a hex array field iif ii is a single hex index field or optional contiguous range Response dddd ddddl dddd one or more optional datum fields each with a leading space character Description The format field f contains a single digit specifying the format of each datum field in the response Valid formats are listed in the table below Some formats may not apply to the specific coefficient reguested For example a value containing a fractional part will be truncated if reguested in an integer format converts each internal value from max char single binary float to 7 10 digit signed decimal 13 XXX X XXXXXX 5 long binary integer to 8 digit hex xxxxxxxx OO g single binary float to exponential x Xxxxxxxexxx single binary float to 8 digit h
9. with a leading space character and with or without sign and or decimal point as needed Using brackets to show optional elements and ellipsis to show indefinite repetition a typical TCP IP command may be viewed schematically as follows cllllo p p pp l ddddf dddd From this schematic it should be clear that the command letter c is reguired the position field pppp immediately follows it and may have O 1 2 3 or 4 characters and there may be zero or more datum fields dddd as required For simplicity the variable length nature of each dddd string is not shown with brackets above but the reguired leading space character is shown The position field is similarly simplified as just oppp below Page 20 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual A typical UDP IP command contained in the data field following a UDP packet header is also a variable length character string but has a simpler format Generally it has a variable length command string cccccc followed by one optional datum dddd field preceded by one space character cccccc dddd Since there are only a few simple UDP IP commands all references to commands below should assume TCP IP commands unless otherwise indicated 3 1 2 2 Command Field All 903x modules recognize the TCP IP commands beginning with letters A B and p through w when a con
10. 5000 msec using same method Leave stream 3 undefined Return all data as binary IEEE floats format 7 c 00 1 0001 1 1000 7 0 c 05 1 0091 c 00 2 0001 1 5000 7 0 c 05 2 F360 Read response A When the streams are subsequently enabled sub command 01 data groups in each stream with the owest bit numbers table positions selected are delivered first In this particular stream 1 the Valve Position Status datum would be first followed by the EU Pressure datum and finally the EU Temperature datum In the less frequent stream 2 the pressure raw data A D counts then voltages come first followed by the temperature raw data items and finally any other auxiliary data items if it is a HASS differential module that actually provides them Of course the standard 5 byte always binary prefix tssss that begins all stream packets would precede all these data in each stream see the Autonomous Packet box in Start Stream sub command index 01 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual WRITE HIGH PRECISION DATA Command p Purpose Outputs data to the module in the high accuracy format Use this command with calibrator 9034 9038 modules to generate a pressure or seguence of pressures Standard 9032 9033 modules ignore this command Command pfii dddd is the command letter is the format is the index is the optional
11. BASE T SWITCH hs PRESSURE SYSTEMS Nen ETHERNET A gt 7 CABLE l ee a ME a E JE L 98RK RACK NO 2 FRONT VIEW Figure 2 4 Typical Ethernet Topography with 98RK Scanner Interface Rack 2 3 5 Pneumatic Connections All pneumatic connections to NetScanner System models 903x modules are found on the instrument top panel as shown in Figure 2 5 Connections are through compression fittings or user supplied fittings using the 1 16 NPT female threaded tubing plate All pneumatic inputs to these modules should contain only dry non corrosive gas e Always wear safety glasses when working with pressurized lines o Ensure that user input pressure will not exceed the over pressure specifications Applying excessive pressure to measurement inputs can permanently damage pressure transducers e 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 Page 9 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual WARNING _ Introduction of contaminants or corrosive materials to the module inputs may permanently damage the pressure transducer STATUS LED PWR Indicates power is applied Tx Indicates transmission LNK Indicates valid 10 BaseT link detected COL Indicates 10 BaseT data collision detected ST1
12. D and To To simplify the algorithm these coefficients are parameterized directly in terms of u Se Bee ae Oe as Oar DF Dyu EMG a ek ee tel A ae ey te ieee Ao Weve a Oe ae AD esl ea cel 3 Se SQ ll calibration coefficients 070 2 Although temperature itself does not enter into the compensation the transducer s temperature can be determined temperature C yu You yu y Xx calibration coefficients II Page 71 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual 4 2 HASS Standard Many NetScanner System 9033 and 9038 modules contain a High Accuracy Silicon Sensor HASS In this transducer the input pressure is applied to a micro machined silicon sensor Four piezoresistors diffused into the diaphragm are connected to form a Wheatstone bridge Constant current excitation allows a temperature signal to be derived from the bridge voltage Instrumentation amplifiers provide high level pressure and temperature outputs An excitation output allows ratiometric operation Thus the transducer has four analog outputs One represents pressure with a temperature effect another represents temperature with a slight pressure effect and the last two represents excitation and a reference A D zero reading All of these signals are digitized with a 16 bit A D Typically 200 measurements are averaged to remove noise For the DPT standard type only zero z and span
13. INA raeiemperature counts _ 3 4 INA frawreference counts __ e 9 INA frawzero counts Tae Ge a e T pa 3 1 2 4 Datum Fields Any datum fields in a command generally contain data to be sent to the module usually specified by a position field bit map In some commands when data are to be received from a module instead no datum fields are required in the command itself but the position field bit map is still used to specify the order that data are returned in the command s response In either case the order bits are set to 1 in the position field bit map highest channel to lowest channel left to right is the order these datum fields are received or sent Page 22 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual 3 1 2 5 Format Field Some commands that either send data to a module as command parameters or cause the host to receive data via command s response have an extra format parameter f character appended to or specified in the position field This parameter when specified or implied by default governs how internal data are converted to from external user visible form e The most common format f 0 causes each datum in command or response to be a decimal number externally with optional sign and decimal point as needed Internally the module sets obtains each converted datum to from a single 32 bit IEEE float e Some formats f71 2 5 encode decode
14. Pressure Systems Inc NetScanner System Model 903x User s Manual Error Status Bit Map ii 04 Definition power up test error internal hardware failure command syntax error command execution error All bits are cleared after reading the error status Digital I O Status Bit Map ii 05 Definition Bry Ce oema oupa e osema oupa NOTE bit 0 if particular 903x model has no such valve Page 50 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual Examples e Request any NetScanner module s type 00 Response indicates that module is a 9034 pressure calibrator 9034 e Request 903x module s Digital I O Status go5 Response indicates that internal Re zero solenoid K7 alone is energized 4000 Page 51 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual READ HIGH PRECISION DATA Command r Purpose Returns data for the specified channels using a high accuracy data format Command rppppf is the command letter ppp is the position field T is the format specifier Response dddd dddd dddd are datum values for all the channels requested in position field each with a leading space Description Set the bits in the position field pppp bit map corresponding to the channels desired This bit map must be represented with four hex digits The channel bit assignment
15. Reserved ST2 Reserved BSY Indicates when unit is PRESSURE SYSTEMS o O PRESTUWE SYSTEMS fo performing tasks J PAR PAR Jm TH _ LM Lhe Ce ce DIGITAL VO As a 512 5T2 EY J b Software controlled output M drivers K1 K4 for external o solenoid control Inputs D1 D D4 for user digital input sense L E ie o 3 0 o JE 3 SUPPLY INPUT 5 8 5 Required by 9034 38 Must be 3 P dry gas set 1 1 to 1 3 times the o i E o instrument s full scale pressure 5 5 u o R o E E o N REF INPUT CJ T i Reference pressure i x co R Pa Reference pressure input for o differential units 9033 9038 L Max line pressure of 200 psia 1378 kPa for 9033 WA R Max Line pressure of 20 psia OUTPUT a 138 KPa for 9038 REF l 3 ELECTRICAL INTERFACE i T CONNECTOR VENTIVAC f eee 18 36 VDC Power OUTPUT 10 BaseT Output pressure port Hardware Trigger for 9034 9038 units A VENT VAC INPUT Measurement pressure Must be open to ambient for controlling pressures ES input for 9032 9033 above atmosphere and connected to vacuum source for controlling sub atmospheric pressures units Figure 2 5 Module Pneumatic Connections Page 10 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual 2 4 The 9032 Guartz Absolute Pressure Standard The 9032 Pressure Standard measures a single absolute pressure Connect the measurement i
16. accomplished by connecting the Model 9082 cable power and communications cable to the round host connector port and into the interface hub and getting proper power to the hub If no internal errors are detected the OK LED will remain ON after tests are complete e Verify the following top panel LED functions e OK LED should remain ON e PWR LED should remain ON e CALLED should remain OFF Page 79 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual 6 1 2 Checking Host PC Operation The following should be checked after verifying proper module operation in the above tests This is used to verify that the host hardware software drivers and user test software are configured correctly for NetScanner System operation Execute the NUSS program provided with your NetScanner System equipment NUSS allows your PC to query talk to any NetScanner System module on the network e When the application is first started it sends a query message to the network asking for information about all the NetScanner System Intelligent Pressure modules connected to the network The application then processes all the responses and displays them Information available from each module is defined in Chapter 3 in the detailed description of the response returned from the psi9000 UDP IP command 6 1 3 Checking the NetScanner System Interface Wiring Once the NetScanner System is verified to be operating a
17. com Pressure Systems Inc NetScanner System Model 903x User s Manual The Valve Position Status datum if specified is delivered as a two byte unitary bit map integer 16 bit big endian with the following possible values shown in hex below The data format f in the Configure sub command 00 does not affect it When selected this status datum group immediately follows the stream header tssss in each host stream packet and precedes any other data selected States shown are for a bit value of 1 On True status hex State Name 0001 Digital Input State D1 0002 Digital Input State D2 0010 __ auasi Diff Mode State 9034 020 reseed o 0m0 Digital Output State Kt 0200 Digital Output State K2 Generate Valve State K6 9034 9038 A Temperature Alarm Status datum group is reserved should future implementation require it Currently no status word is generated if this bit is set However it would follow any other specified status words before any other datum if implemented Page 43 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual Example o Page 44 Using the unlimited sub command 05 stream configure method configure stream to continuously return the Valve Position Status field EU Pressure and EU Temperature every 1000 msec internal clock sync Configure stream 2 to also continuously return all other raw forms of available auxiliary data every
18. datum field expressed in format f with a leading space character Response A A is the acknowledge letter Description The format field f contains a single character to specify the format of the datum field Valid formats are shown in the following table converts datum parameter value dddd from max char 1 10 digit signed decimal xxx x xxxxxx to single binary float 13 8 digit hex xxxxxxxx to single binary float 16 digit hex xxxxxxxxxxxxxxxx to double binary float T 8 digit hex xxxxxxxx to long binary integer single binary float to same input directly as 4 binary bytes Page 45 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual The index ii field specifies optional ways of generating pressure as a two digit hex number Some of these indexes refer to an internal table of pressure values up to 128 entries For each pressure value the table also contains a ramp rate and a hold time The hold time is set to zero to identify the last entry A valid pressure table must be defined with the Download Internal Coefficients v command before using options which refer to this table No entries are defined at module powerup See the following table for all available option indexes Table 3 4 Output Option Indexes a Description Stop generating a pressure and pneumatically shunt the output port to the reference port Although the datum fie
19. define a single stream or all defined streams The maximum rate of the fastest stream s delivery is practically limited to the maximum possible scan and data conversion rate of the module s single EU pressure and temperature transducer Normally the defined streams deliver host data at rates equal to or slower than this natural cycle Typically the first stream might deliver only the EU pressure datum at a high rate as defined by clock or hardware trigger The second stream might deliver the EU temperature datum and a status datum at a medium rate some multiple of the clock or hardware trigger period A third stream might deliver several other raw temperature and or pressure data at an even slower rate also a multiple of the clock or hardware trigger period Because of legacy firmware compatibility issues this command allows auxiliary datum values to be delivered by one of two distinct methods 1 limited method the 00 sub command uses its position field to specify the EU Pressure datum channel 1 and some auxiliary datum values which are mapped to unused channels 2 16 per Table 3 1 or 3 6 However some forms of available raw data and status cannot be delivered with this older method Sub command 05 is not normally used with this method as it did not exist in early systems 2 unlimited method the 00 sub command specifies only the EU Pressure datum channel 1 with it
20. modules which are normally servers A maximum of 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 IP address A peer may be initially addressed by its IP address in xxx xxx xxx xxx format or by use of a predefined ogical name that allows its IP Address to be looked up in the sender s database or in a central network server s database NOTE Use of these ogical names requires that they be predefined in a data base used by the host operating system Page 19 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual Before the host computer and any module can communicate with TCP IP protocol the host client must reguest a connection be established with the module server Each module expects all such reguests for connection to be reguested by its P 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 commands and reading standard module responses This can continue indefinitely until the connection is formally closed or power is lost at host or module The host and module may also communicate in a limited fashion without a connection using the UDP IP protocols In this case the host br
21. parameters to the response above Page 65 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual This uniform network guery response allows a client host program to identify configure and use any suitable group of modules for the task at hand by simply opening a TCP IP connection between itself and each available module needed Example e Query all module s on the network psi9000 Response s see Response above Page 66 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual RE BOOT MODULE UDP IP Command psireboot Purpose To unconditionally reboot a specified module Command psireboot ethadr where ethadr is the Ethernet Address of the specifed module in the following special hex digit format XxX XX XX XX XX XX none module re boots Description When a NetScanner module receives this broadcast command by continuously monitoring port 7000 it responds by restarting its firmware immediately The result is essentially the same as a power up restart in that any TCP IP connection is lost and the module returns to its normal startup state The host must wait long enough for the re boot process to be completed before it can again reguest a connection to the module Example e Re boot a specified module on then network psireboot 00 E0 8D 00 00 01 Response none Page 67 www Pressur
22. the stream will end automatically if a finite number of packets has been specified for it This sub command may also be used to resume a previously stopped host stream that has not transmitted all reguested data packets The sub command s format is Command is the command letter is the sub command index Ii for Start Stream is the stream id digit 1 2 or 3 or O all streams NOTE all parameters separated by a space Response Autonomous tssss vv dddal ddddl Stream Packet is a 1 byte binary 8 bit value identifying the stream number 1 3 is a 4 byte binary integer 32 bit big endian packet sequence number is the optional 2 byte binary integer 16 bit big endian valve status word that may be specified by the 05 sub command dddd are the selected acquired datum values in the selected format plus a leading space except 7 that may be specified by the 05 sub command or in the position field of the OO sub command Description This sub command starts a particular specified host stream sf 1 3 or starts all configured host streams with a single command sf 0 Each autonomous host stream packet begins with a 5 byte fixed format binary data header tssss The first byte identifies the host stream while a 32 bit unsigned binary sequence number ssss completes the header This sequence number will start at the value one 1 for the first packet returned by a stream and increm
23. 2 7 1 Pneumatic Connections to the 9038 Pressure Calibrator 2 7 1 1 SUPPLY Port Connect a clean dry air supply to the SUPPLY port on the top plate Medical quality dry compressed air or nitrogen is recommended When using non bottled air N gt the source should be filtered of particles above 10 microns 99 9 free of oil mist and the dew point maintained below 259C All 9038 calibrators with an output pressure range below 100 psid contain an internal pressure regulator For these units the user should maintain the supply pressure at least 10 psi above the full scale output pressure but less than the regulator s maximum input pressure of 125 psi Page 15 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual 2 7 1 2 VENT VAC Port To generate sub atmospheric output pressure connect the VENT VAC port to a vacuum supply If sub atmospheric outputs are not required leave the VENT VAC port open to the atmosphere The number of pressure calibrators supplying sub atmospheric calibration pressures will determine the pumping capacity required A vacuum pump with a capacity of 160 liters per minute LPM is recommended A 160 LPM pump has sufficient capacity to operate up to five pressure calibrators A 60 75 LPM pump will operate systems with one or two pressure calibrators The user should determine the limitations of each setup especially if multiple modules are connected to the same vacuum pump During p
24. 3 0 no allowed NOTE all parameters separated by a space Response st Lp p p p sync per f num St is the stream identifier digit 1 2 or 3 lololol p is a 1 4 hex digit position field channel selection bit map Sync is sync type character 0 or 1 per is the period trigger periods or delay timer period f is the format of the data delivered in stream num is the number of packets delivered in the stream NOTE all datum fields separated by a space Autonomous none generated Packet Description This sub command returns current configuration information for a particular stream Returned values are defined the same as the sub command parameters of Configure a Host Delivery Stream sub command 00 Note that the num field represents the number of packets returned so far last sequence number returned or 0 if stream not yet started Example Return scan list information for stream Model 9038 module assumed c 04 1 Read response 1 810F 0 20 7 32000 Page 40 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual Command c Sub command Index 05 Select Data Groups In The Stream This sub command specifies additional configuration options that cause a specified stream to deliver unlimited EU or auxiliary data or status data to host without restrictions inherent in the re mapped unused channels 2 16 pe
25. 9034 read the internal clock calibration from index 2 of Array Type 03 See Chapter 3 Table 3 11 The value should be near 10 0 and is recorded on the factory calibration report Read the standard s calibration coefficients from Array Type 00 Chapter 3 Table 3 8 Standard Calibration Coefficients and compare to the values shown on the factory calibration report Use the v command to make any reguired corrections Page 81 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual 6 3 Generating Pressure Connect a regulated air pressure source to the SUPPLY port of a Model 9034 or 9038 and install a blanking cap on the OUTPUT port or attach a small closed volume Set a pressure near full scale using the p command Use the r command to read the actual output pressure The output pressure should be within 0 01 of the setpoint after 5 10 seconds If the setpoint is not achieved check the following Read the module configuration from Array Type 02 above Table 6 1 and below Table 6 2 using the u command and compare values to the table below Table 6 2 Array Type 02 Value Stability count e Read the module configuration from Array Type 03 see also Chapter 3 Table 3 11 Configuration using the u command and compare to the table below index Description Value __ Loop tolerance MU Stability tolerance 002 x FS Page 82 www PressureSystems com Press
26. NC ce ia aeaea i iaa ALAR RAF ides 91 6 3 Gencdratng al FY RNA E ARNEY 82 6 4 LEAK GINS GI aun ae dad ata DA GG E Ge GO dou Gn 83 Chapter 7 Start Up SONWANE cun Yn GRY Cyu aeaa aa aiaa GWE i 85 7 1 WAG OO 18 ei o n FOR NF FR RF EAE FFF alee 85 Appendices Appendix A MOUNTING DimensiOfTS o GR Gwd e OO Ny AA oC aioe 87 Appendix B Gable Diagram ee GOF Ud eee ed aces sucat cite selenies 89 Appendix C Quick Reference NetScanner System CommMand6 cccccseeeeeeeeeeeeeeeeeeees 91 Appendix D NetScanner System Error Codes cccccecceeeeeeeeeeeeeeeeseeeeeeeseeneeeeseeeseeessaaes 93 Appendix E ASCII Hexadecimal Conversion Chart ccccccccceccsseeeeeeeeeeeeesseeeeeeeseeeeeeesaaees 95 Append E gt BInary I a a CD E 97 Page iv www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual Our Company Pressure Systems Incorporated PSI develops manufactures and services level and pressure measuring instruments where the highest level of traceable accuracy is required for aerospace industrial municipal and environmental applications Our products have become the world standard for electronic level and pressure measurement and scanning We are committed to the highest quality design manufacture and support of level and pressure instrumentation that is in the best interest of our customers PSI is an ISO 9001 2000 certified company Our Warranty Pres
27. P commands can be executed at any time power is applied to the module i e a host socket connection is not necessary Each such command should be broadcast via Port 7000 and the module s may broadcast a response via Port 7001 Only one of these commands actually returns a response This is the Network Guery psi9000 command The others cause the module to be re booted therefore no response is possible One changes the way the module gets its IP address assignment i e dynamically from a server or statically from initially factory set internal non volatile storage 3 2 Detailed Command Description Reference All commands applicable to the various NetScanner System Intelligent Pressure Calibrators Standards are described on the following pages They are summarized in Table 3 3 above Page 27 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual POWER UP CLEAR Command A Purpose This command has no internal module affect It is used as a simple method to verify proper communications to the NetScanner System module Command A A is the command letter Response A A is the acknowledge letter Description The 903x modules 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 Therefore it is a NOP command generally used as a simple mechanism to verify proper communications with a
28. Scanner System Model 903x User s Manual 2 3 4 Ethernet Host Port Hookup Every NetScanner System Pressure Standard Calibrator contains a Host Port allowing it to be interconnected in a network with other modules and a host computer Models 903x series connect through their Ethernet Host Port using TCP IP transmission protocols The Ethernet Host Port of every module and its host computer may be interconnected in a star network via a standard 10Base T interconnection hub or through the rear panel of the 98RK Scanner Interface Rack chassis These standard hub devices will have their own power reguirements Internal power is supplied by the 98RK Scanner Interface Rack which can accommodate up to three 3 externally mounted pressure calibrators standards or Intelligent Pressure Scanners Such a hub treats the host computer connection and all NetScanner System module connections alike Ethernet communications pin assignments for the 903x electrical connector on the instrument s top panel are shown in Figure 2 3 Figure 2 4 depicts a typical 98RK Scanner Interface Rack Ethernet topology ETHERNET COMMUNICATION Figure 2 3 Ethernet Host Port Connector Pins Page 8 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual ATTACHED NETSCANNER MODULES 3 PER RACK MAX NTERFACE CABLES PSI P N 9082 328 FT 100 M MAX LENGTH 98RK RACK NO 1 REAR VIEW OPTIONAL 10 100
29. absolute 1 differential 0 user defined see aa 03 ii 08 1 psi default Limit for total readings during stability check Number of iterations while setting pressure Frequency counter average 9032 9034 A D average 9033 9038 HASS only o o Page 57 www PressureSystems com Pressure Systems Inc Page 58 Table 3 11 Configuration aa 03 Description Control loop error tolerance 9034 9038 01 Pressure stability tolerance 9034 9038 02 03 04 05 Time base freguency MHz Gain O reference V Gain 1 reference V Gain 2 reference V Gain 3 reference V Ramp rate pressure units sec 9034 9038 08 User defined units multiplier see aa 02 ii 02 ee Table 3 12 Operating Values aa 04 Models 9032 9034 9033 9038 Models 9033 9038 00 Measured pressure Reference pressure for Quasi Diff Mode 9034 only set point counts 9034 9038 Foe WA rewtemperature of NA 10 EU 19 calculated c calculated c A raw reference E 1 1 3 5 e a www PressureSystems com NetScanner System Model 903x User s Manual Pressure Systems Inc NetScanner System Model 903x User s Manual iim _ N A caloulatede OOOO Calculated To o Examples e Instructs calibrator module to return the ramp rate value in the decimal ASCII format u00307 Response shows ramp rate is configured for 1 0 psi sec 1 000000 e Instru
30. age 12 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual 2 6 1 Pneumatic Connections to the 9034 Pressure Calibrator 2 6 1 1 SUPPLY Port Connect a clean dry air supply to the SUPPLY port on the top plate Medical quality dry compressed air or nitrogen is recommended When using non bottled air N gt the source should be filtered of particles above 10 microns 99 9 free of oil mist and the dew point maintained below 25 C All 9034 calibrators with an output pressure range of 100 psia or below contain an internal pressure regulator For these units the user should maintain the supply pressure at least 10 psi above the full scale output pressure but less than the regulator s maximum input pressure of 125 psi For 9034 calibrators with a full scale output pressure above 100 psia the user should regulate the supply pressure between 1 1 and 1 5 times the full scale output pressure W E note NOTE Any contaminants in the source air may affect the operation or possibly damage the module 2 6 1 2 VENT VAC Port To generate sub atmospheric output pressure connect the VENT VAC port to a vacuum supply If sub atmospheric pressure outputs are not required leave the VENT VAC port open to the atmosphere The number of pressure calibrators supplying sub atmospheric calibration pressures will determine the pumping capacity required A vacuum pump with a capacity of 160 liters per minute LPM is recomm
31. ams for a Model 9038 differential module and divide the module s channels between them Channel 1 EU pressure only must be delivered to host at a 10 Hz rate channel 16 EU temperature only is delivered at half that rate while the remaining raw channels 2 3 4 and 9 are delivered at half the previous rate All streams are generated continuously and synchronized with the internal clock at 100 msec 200 msec and 400 msec periods respectively Data are requested in single precision binary IEEE float format f 7 c 00 1 0001 1 100 7 0 c 00 2 8000 1 200 7 0 c 00 3 010E 1 400 7 0 Read responses Ay Ay Ay e To similarly acquire data at relative rates 1 2 and 4 using a periodic hardware trigger assumed to also cycle continuously at 10 Hz rate enter the commands c 00 1 0001 0 17 0 c 00 2 8000 0 2 7 0 c 00 3 010E 0 4 7 0 Read responses Ay YN Ay e To use the newer unlimited method per sub command 05 see the example at the end of that sub command s description Page 35 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual Command c Sub command Index 01 Start Stream This sub command 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 sub command later Otherwise
32. anner System Model 903x User s Manual 2 Uu a 6 375 161 93mm Eons 9 pag tee PEE EEERE FEO6 EPON 9UUPOS OM 8 750 222 25mm 257 6 53mm 241 30mm 6 PLACES 3 850 97 79mm www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual N Appendix B Cable Diagram NET SCANNER MODULE DISTRIBUTION BOX 09 49 15KPT06FS 26 10 35109 09 48 1415PS p if WHITE ORANGE pr T4 ORANGE C Sr C Tx A E WHITE GREEN p GREEN N N Re wal BLUE D D TRIG IN E YELLOW E TRIG REF R KEV R 24VDC P BER p 24V RIN Typical 9082 Cable Diagram Page 89 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual This page intentionally left blank Page 90 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual en Appendix C Quick Reference NetScanner System Commands Command Letter Value Letter NetScanner Commands Decimal Hex 65 42h Read Transducer Raw A D 9 61h Counts Oo B bo Acquire High Speed Data 98 110 GE a Read goo status ps frm 76h Set Operating Options 7Th Page 91 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual This page intentionally left blank Page 92 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual N Appendix D NetScanner Syst
33. atures of the NetScanner System Pressure Standards and Calibrators are Compact rugged packaging Absolute and Differential Reference Configurations The NetScanner System Pressure Standards and Calibrators utilize resonant quartz pressure standards for absolute measurements and the PSl developed High Accuracy Silicon Sensor HASS pressure standards or 3 party manufactured digital pressure standards DPT for differential measurements e High Accuracy Internal standards provide real time active control Low Thermal Errors The onboard 32 bit microprocessor performs digital temperature compensation of the standards to reduce thermal errors for operational temperature ranges from 0 to 50 C Digital I O Capability The modules include 4 output signals to drive external solenoids or provide logic outputs and 4 digital inputs for TTL signals or contact closure sensing Ease of Use Modules have simple command sets and provide engineering unit output Units may interface directly to a desktop or laptop computer e Automatic Pressure Seguencing Models 9034 and 9038 Pressure Calibrators provide the capability to generate a series of pressures based on preprogrammed values including slew rates and hold times e Connectivity Use of Ethernet communications protocols allows networking of NetScanner System Pressure Standards and Calibrators over a wide area Industry standard TCP IP protocols ensure compatib
34. below Page 25 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual The Detailed Command Description Reference immediately follows this overview 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 first by type TCP or UDP then by command id commands having UPPERCASE letters A Z first followed by commands having lowercase letters a Z 3 1 5 1 Start up Initialization 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 Start up initialization for every module must be performed 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 Any previous TCP IP socket connection is also lost after power failure and must be re established between host and module before any TCP IP commands can be recognized by the module These commands are generally used to detect start up initialization or to force reset after which other commands may be used to restore the original operating condition In the NetScanner System module command structure the Power Up Clear A command may be used as a simp
35. blank Page 76 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual eee Chapter 5 Service 5 1 Maintenance NetScanner System Models 903x are designed for rugged use However a reasonable amount of care must be taken to prevent contaminants from entering the module If repair or replacement of components is required return the module to the factory 9 2 Upgrading Module Firmware Models 903x contain electronically reprogrammable memory devices that store the module firmware Pressure Systems Inc will occasionally provide new releases of module firmware to provide enhanced instrument performance The new firmware may be upgraded by using the host computer or any computer on the TCP IP network directly via the module s Ethernet Host Port A computer with access to the Internet is required to upgrade module firmware from the PSI Internet site New firmware releases will be provided on DOS formatted diskettes on a CD ROM or through the Internet World Wide Web at www psih com The firmware files provided on these diskettes CD ROM or through the Internet can be transferred to the modules by executing the PSI UDP Query application furnished from PSI with your NetScanner System The following steps describe the procedures for upgrading module firmware o Verify that the Ethernet cable is connected correctly between the host PC and the interface hub or 98RK Scanner Interface Rack and that t
36. ceeeeeeeseeeeeeseeeeeeessaeeeeessaaeeees 62 Network Query UDP IP Command pSi9000 cccccssseeeceeesseeeeeeeesseeeeeeeeesseaseeeeees 65 Re Boot Module UDP IP Command pSirebDOot ccccccecseeeeeeeeeeeeaeeeeseeeeessaeeeesaees 67 Change Module s IP Address Resolution Method amp Re Boot UDP IP Command PSirarp casin Y DD FR GR A OO 68 Page iii www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual Table of Contents continued Chapter 4 Callbi auon i ELN GON MO LA AN aW AG aU DD DN 69 4 1 Resonant Quartz Standard eL a LG DO 69 4 2 HASS SUC C9 EE SF Cr WN RWYN HCA RF FN FN 72 4 3 olandard C alibra llonaid da Ew Na Cf CL yD GLO Cw Yd FR 74 4 4 BB F240 08 CAIAU aia a gn ernie GO Gn eee ene een ee eae ee ae eee ee 75 Chapter 9 SerVICe a eiu a Aa Ned FON A Ci 77 5 1 MG O ui CW SO NA FU o DON EG SC OD 77 5 2 Upgrading MOCUIC FINMW ANC see ceeded Fana GR GN EN UEN SONS RC GOR Cg GN UNDOD EES 77 Chapter 6 Troubleshooting Guide cscccecssssseeeseesseeeecenseeeceenseeeseeeseeeseesseessoenseessooaes 79 6 1 MNA SETUP Troubleshoolind se Gu LG DR DDO O laa as 79 6 1 1 Checking Module Operation eeeru nnr E LL LLW LL FF yYo 79 6 1 2 Checking Host PC Operation euu in rrr E ALL LL FLY nun 80 6 1 3 Checking the NetScanner System Interface WIPING cccccseeeeeeseeeeeeeeees 80 6 2 Reading Atmosphere PrESSU
37. cts a 903x module to return the Measured Pressure Standard s Temperature and Reference Pressure in decimal ASCII format u00400 02 Response 0 512345 30 00034 14 720056 Page 59 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual DOWNLOAD INTERNAL COEFFICIENTS Command v Purpose Writes one or more contiguous coefficients or other operating control value s to the module Command vfaaii ii dddd dddd is the command letter is the format of each datum is a hex array selector field Hl i is a single hex index field or optional contiguous range dddd is one or more datum value s to be written contiguously into the selected array each preceded by a space character Response A A is the acknowledge letter Description The format field f contains a single digit to specify the format of the data field Valid formats are listed in table below converts each datum parameter value dddd from max char 1 10 digit signed decimal xxx x xxxxxx to single binary 13 float 8 digit hex xxxxxxxx to single binary float 16 digit hex xxxxxxxxxxxxxxxx to double binary 17 float single binary float x xxxxxxexxx to exponential 8 digit hex xxxxxxxx to long binary integer The array selector field aa must contain two hex digits to identify a particular internal array in whic
38. del 903x User s Manual Examples e Command module to turn on the air supply energize SUPPLY solenoid to connect normally unconnected SUPPLY valve 9034 and 9038 calibrator models only w0910 Response A e Command module to connect standard to pressure generator de energize GENERATE solenoid to connect normally connected GENERATE valve 9034 and 9038 calibrator models only w0820 Response A Page 64 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual NETWORK QUERY UDP IP Command psi9000 Purpose To determine how many and which modules are powered up and operational on the network psi9000 Response ipadr ethadr sernum mtype sfwver connst ipadrst lisport subnet iparpst udpast pwrst Description When a NetScanner module receives this broadcast command by continuously monitoring port 7000 it responds with a broadcast on port 7001 with an ASCII response containing comma separated parameters These are listed in the following table S IP Address Resolution Status 1 uses RARP Bootp server O uses static IP Address stored internally udpast UDP Auto Status 1 broadcasts this response automatically after connection possible O only sends response for psi9000 UDP IP command Power Up Status same a g02 command response Some special NetScanner module types e g 9816 also add Rack Cluster and Slot
39. dule one at a time or all together The sub command s format is Command is the command letter is the sub command index Ii for Clear Stream is the stream id digit 1 2 or 3 or O all streams NOTE all parameters separated by a space Response A is the acknowledge letter Autonomous none generated Packet Description This sub command clears un defines the particular specified host stream st 1 3 or un defines all configured host streams with a single command sf 0 Once cleared a stream must be reconfigured before it can be restarted If both the primary configure command sub command 00 and the secondary configure command sub command 05 are necessary to fully configure a stream then both will be reguired to fully reconfigure the stream once this clear command sub command 03 is executed Example Stop all the streams configured above Then clear un define only stream 3 and then resume the remaining defined streams 1 and 2 c 02 0 c 03 3 c 01 0 Read response A Page 39 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual Command c Sub command Index 04 Return Information About a Stream This sub command returns current stream configuration information in its response Command c 04 sf is the command letter is the sub command index ii for Return Info is the stream id digit 1 2 or
40. e the temperature output may vary with applied pressure A cross sensitivity loop is used to compensate for this effect lx Pe CR P pressure calculated without correction X0 X2 transducer calibration coefficients Once T has been pressure corrected the coefficients A E are re computed Page 73 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual 4 3 Standard Calibration The NetScanner System Intelligent Pressure Standards Calibrators should be calibrated every six 6 months During calibration pressures should be applied with an accuracy of 0 003 FS or better Pressure Systems Inc uses an air piston standard with a calibration traceable to the National Institute of Standards and Technology NIST Zero and span coefficients stored in the modules non volatile memories are provided for calibration adjustments P_ PS Z P pressure measurement P pressure standard S span adjustment approx 1 0 Z zero adjustment approx 0 0 Configure the module to measure externally applied pressure by energizing internal solenoid for normally connected Generate valve K6 and allow at least two 2 hours for warm up During calibration apply at least eleven 11 precision pressures using a high accuracy air piston standard To determine the zero and span adjustment fit the modules measurements to the calibration pressures using a linear regression ESRO l P
41. e channel 1 in its position field Page 32 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual The individual data packets of the stream may be synchronized with either an external user supplied hardware trigger or a periodic clock interrupt generated inside each module This choice is made with the sync type sync parameter a single digit where O synchronize with hardware trigger 1 synchronize with periodic software clock When the hardware trigger is used to synchronize data output sync 0 it is assumed that the user would prefer to also synchronize the internal data acquisition or scan cycle For this reason when a stream utilizing hardware trigger is started the module firmware switches out of the free running continuous data acquisition mode described earlier Instead the module 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 its internal channels Following completion of the acquisition scan and EU conversion cycle the module will make these data available for delivery to the host In this manner users are provided with highly synchronized data acquisition and delivery from one or more modules 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 acqu
42. eSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual CHANGE MODULE S IP ADDRESS RESOLUTION METHOD amp RE BOOT UDP IP Command psirarp Purpose To change toggle the current IP address resolution state parpst of a specified module and then unconditionally re boot it Command psirarp ethadr where ethadr is the Ethernet Address of the specifed module in the following special hex digit format Xxx XX XX XX XX xXX none module re boots Description When a NetScanner module receives this broadcast command by continuously monitoring port 7000 it responds by toggling its current ARP method to one of two states dynamic resolution or static resolution Then it restarts its firmware The result is essentially the same as a power up restart in that any TCP IP connection is lost and the module returns to its normal startup state However if it used the static resolution method before it received this command after the reboot it will not have a valid IP Address until an external network server RARP or BootP provides it with one However executing the command a second time will restore it to using its original statically assigned IP address after another reboot finishes Just as for the psireboot command the host must wait long enough for the reboot process to be completed before it can again request a connection to the module Example e Reconfigure a specified module
43. eeeees 17 2 7 1 6 Over Pressure Protection ccccccecececececececececececcacacacecececsceneneneces 17 2 6 Operating GONSIderaiOnS serrin A ON DU Y Dn O GC 17 261 Operational Etlects oL Leaks sicocseesc eats Gi a FR 17 202 L atingand FIXING Leak cerrar GYD GADAIR GN GN 17 2 8 3 Power up Checks and Self DiaQnOStiCs cccccccsseeeeeceeeeeeeceeeeeeseaeeeeeesaeeeees 17 Page ii www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual Table of Contents Chapter 3 Programming and Operation c ccccccessseeecsesseeseesseeeeeenseeesoonseessoonseessooees 19 3 1 Commands amp ResporniS amp S ueu YDI NON dnd Cy GRO FFYN O ad 19 SecA MVE OCCU OM F77MF HN TW HN ant eeaee 19 Sale TCRHPProiocolS au GR GN a EA 19 3 lt C OmmandSse i GL a ee eee 20 Slee General Command FOMA ua NY ON FO 20 3122 Command Eield sac YG T CD NN CD FUD 21 SEAS POSON NO sranti i a HU TR ieS 21 ale A gt OUI FIE dSn OR A TD A OR Dd 22 S2 Foma Field ee O i Od UU CCGC CODODD ODD CD 23 Iko HeSDODSeS ud GG FR A dd AU GA 23 91 4 Command SUMMA sa O a O NR y dd Dd 25 3 1 5 Functional Command OVerview 99e YY LLALL LLE L LLCC L LLCC LL LL L LL LL LL LL Ln LLLou 25 Sba Ian up InitiallZGtlOn see OD OC FOND a 26 3 1 5 2 Commands for Data Input OUtPUt 0 cece cece eteeeeeeeeeeeeeeeeeeeaes 26 3 8 9 Olber FUNCIONS vaain YD De GW ra FO CADR 27 3 1 5 4 Network Query a
44. efault 06 01 Use Dynamic IP Address Resolution Page 62 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual No TCP IP Back Off Delay default Enable TCP IP Back Off Delay per Ether Adrs Enable TCP IP Back Off Delay per eeee Reserved or factory use No TCP IP Data Field Size Prefix default Enable TCP IP Data Field Size Prefix Set TCP Connect Port eeee default 9000 09 No Auto UDP Broadcast Reset default OA Enable Auto UDP Broadcast Reset Table 3 15 describes the datum field dd for digital output set and clear commands Bit positions in the data value are assigned to individual outputs These data values representing individual bits may be added to set clear multiple outputs simultaneously User control of the internal values is not reguired for normal operation Table 3 15 Data Field ji 08 and 09 only dd bit Digital Output 01 External output K1 02 External output K2 04 2 External output K3 10 20 40 Internal output K5 SUPPLY Solenoid valve normally unconnected i e set ir09 to connect air supply 1 3 4 5 Internal output K6 GENERATE Solenoid valve normally connected i e set 09 to disconnect generator Internal output K7 RE ZERO Solenoid valve normally unconnected i e set r09 to connect reference port Kars External output K4 Page 63 www PressureSystems com Pressure Systems Inc NetScanner System Mo
45. em Error Codes These error codes will be sent as a response to an error condition in the module Instead of an acknowledge A or acknowledge with data a negative acknowledge N will be sent followed by the error codes listed below CODE MEANING Power Up Clear Expected Command Ignored A command other than A was attempted after power up or power failure Once the error is received it is unnecessary to execute the A command The next command will be executed normally Important If this error is received all parameters have been reset to Power Up defaults Undefined or unimplemented command The command received was not a legal command character CheckSum Error The checksum received does not match the sum of the characters received Input Buffer Overrun The received command contained more than 71 characters for analog or 16 for digital or 512 for PSI NetScanner System The command was ignored Non Printable ASCII Character Received Only characters from 21H to 7FH are permitted within commands The command was ignored were received The command was ignored o6 Communications WatchDog Timeout Error os PSI NetScanner System Error Page 93 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual This page intentionally left blank Page 94 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual N Appendix E
46. en used as the reference to generate gauge pressure outputs To generate sub atmospheric pressures connect a vacuum pump to the VENT VAC port 9038 Differential Pressure Calibrator incorporates four 4 fittings the supply pressure the vent the reference pressure and the output pressure A vacuum pump is reguired to generate negative differential pressures and should be connected to the VENT VAC port 1 2 3 Communications Interfaces NetScanner System products support an Ethernet communications interface using layered TCP IP communications protocols These layered protocols are supported by an established base of third party hardware and software They also define a standard communications packet structure into which 903x module specific commands and responses may be easily packed The TCP protocol layer used by most commands includes robust packet error detection and correction mechanisms A simpler UDP protocol layer part of the TCP IP suite is used by some network query and control commands Page 2 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual 1 2 4 Digital I O Connections Digital I O is available on the front panel for user applications A software command allows each of the user digital outputs K1 K4 to be independently set or reset The open collector outputs can drive external solenoids reguiring less than 0 5 ampere amp or external pull up resistors can be connected to pro
47. ended A 160 LPM pump generally has sufficient capacity to operate up to five pressure calibrators A 60 75 LPM pump will operate systems with one or two pressure calibrators The user should determine the limitations of each setup especially if multiple modules are connected to the same vacuum pump During pressure generation air flows from the SUPPLY port to the VENT VAC port Each pressure calibrator draws air through the SUPPLY port and vents any excess through the VENT VAC The amount of flow depends on the full scale pressure range and the output pressure The user must provide sufficient flow capacity to the SUPPLY port and must not obstruct the VENT VAC port Back pressure on the vent from a blockage or combining of the vents from different calibrators will affect the operation These vents should NOT be manifolded together with tubing for example to route the venting air out of the control room Use ONLY individual tubes for this purpose 2 6 1 3 REF Port The REF port allows the 9034 to generate an output pressure relative to the reference when operating in a pseudo differential mode Connect the REF port to the reference pressure source It is generally acceptable to leave the REF port open to atmosphere for most applications which use atmospheric pressure as the reference Page 13 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual 2 6 1 4 Differential Mode All 9034 resonant quartz tra
48. ent for each other returned packet of that stream In the case of a continuous data stream the sequence number may overflow the maximum permissible 32 bit integer value If this occurs the sequence number value will wrap around to zero O following the largest 32 bit value 4294967295 and then continue to increment by one for each returned packet The sequence number field is intended to provide a mechanism for host software to ensure that host data stream packets are processed or stored in the order in which they were obtained by the 903x module Each of the three possible host streams will report their own unique sequence number Note that if a previously stopped data stream is restarted the returned sequence numbers will resume with the next number at the point of the stream s termination The sequence numbers will not restart at one if a scan list is temporarily stopped and then restarted Executing a Page 36 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual Example stream s main configure sub command 00 again will reset its seguence number to one A limited stream will terminate once this sequence number eguals the reguested number of packets for the stream For periodic hardware triggered streams that are never suspended and resumed after being initially enabled the sequence number may also serve as a relative time stamp if the period in milliseconds of the hard
49. ent that is damaged during shipment If containers are broken ripped or damaged contact the transportation carrier If the equipment itself appears to be damaged contact the Repair Department at Pressure Systems Each NetScanner System module may contain the following minimum components e Model 9032 33 or 9034 38 Pressure Standard Calibrator e Model 9082 Connector Cable an optional accessory e CD ROM 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 All system power should be OFF during installation or removal of any component from the NetScanner System module Failure to turn the power to 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 Model 903x Pressure Standards Calibrators are factory calibrated for use over specified temperature ranges Operating the instrument outside the calibrated temperature range will result in a loss of measurement accuracy Operation beyond specified operating or storage temperature ranges may damage the instrument Page 5 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual WARNING _ Exceeding the specified storage or operating temperatures may result in permanent damage Operating Temp
50. erature Range 10t0609C Up to 95 non condensing humidity O to 509C Range 5 psid Storage Temperature Range 20 to 809C Oto 70 C Range 5 psid 2 3 2 Power Models 903x require regulated input voltages of 24 VDC 500 mA The modules internally sub regulate the 24 VDC to provide the required internal power levels An output voltage of 24 VDC 1ampere is available to control external solenoids Connecting an external load to this output will increase the power input requirements to 24 VDC 1 5amp Figure 2 1 shows pin assignments for the module Ethernet Host Port connector All connections including power are made through this top panel round ruggedized connector r24VDC B b RETURN POWER AW N 24VDC L R G H J Figure 2 1 Power Pin Assignments Page 6 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual 2 3 3 Mounting Dimensions Panel mounting dimensions for the NetScanner System pressure standards calibrators are shown in Figure 2 2 5 875 149 23mm 6 375 161 93mm 3 000 E K 76 20mm i i FEDS POW MGDUUDPDSTGONM he _ 8750 TS 222 25mm 9 500 i g 257 6 53mm FEO ae 6 PLACES i i 3 000 3 500 76 20mm 88 90mm IE _ B 750 S 222 25mm m 257 6 53mm 241 30mm 4 PLACES i 3 375 85 73mm Figure 2 2 Typical Mounting Diagram Page www PressureSystems com Pressure Systems Inc Net
51. essure data acquisition system NUSS integrates a diverse set of older startup query and test programs that were often very module specific NUSS recognizes each Model 9116 module type it finds on the network and automatically provides that module with its appropriate functionality by dynamically adjusting the program s form and menu content NUSS allows you to operate your Model 9116 modules singly or together in selected groups without having to write any custom software and without having to learn low level commands The software was designed to permit you to test almost every possible module function with a simple interactive point and click interface NUSS is provided to all customers who have purchased a Model 9116 Intelligent Pressure Scanners The software as well as the User s Manual may be downloaded from PSs Web site www PressureSystem com Page 85 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual This page intentionally left blank Page 86 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual en Appendix A Mounting Dimensions 3 000 3 500 76 20mm 88 90mm 1 1 8 750 222 25mm 4 s00 257 6 53mm 241 30mm i 4 PLAGES 4 3 375 85 73mm Typical Mounting Dimensions Page 87 www PressureSystems com Pressure Systems Inc 5 875 149 23mm 3 000 76 20mm Page 88 NetSc
52. ex xxxxxxxx O a Page 54 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual The array field aa must contain two hex digits to identify the reguested array Valid arrays are listed below Table 3 7 Internal Arrays calibrators only aa Internal Precision Description 00 J64 bitfoat Standard calibration 06 e4 bitfoat __ JRampratetable The index field i identifies which elements of the specified array are requested To specify a contiguous range of values a one or two digit starting hex index may be followed by a hyphen and a one or two digit ending hex index Valid indexes for each array type are listed in the tables below Table 3 8 Standard Calibration Coefficients aa 00 Definition Quartz HASS DPT Models 9032 9034 Models 9033 9038 Models 9033 9038 00 full scale range full scale range full scale range zero adjustment zero adjustment zero adjustment span adjustment span adjustment span adjustment Page 55 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual Page 56 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual Table 3 8 DH 200 Calibration aa 01 d Description full scale range zero adjustment 00 i span adjustment Table 3 10 Configuration aa 02 scription Standard type 0 resonant quartz 1 HASS 2 DPT O
53. f the instrument s full scale pressure range A digitally controlled pneumatic servo valve modulates the mix of supply vent pressure to its output allowing pressures to be generated from near vacuum to the full scale of the instrument A quartz pressure standard measures the servo valve s output when the Generate valve is connected flowing The microprocessor adjusts this valve to set the reguested pressure The instrument may also be used in a measurement mode by connecting the pressure to be measured to the output port and disconnecting the normally connected Generate valve The pressure relief valve is designed to vent at 110 of the instrument s full scale pressure range Prior to shipment Pressure Systems calibrates each pressure standard with an NIST traceable standard The transducer is calibrated in the NetScanner System module so that the entire system is calibrated not just the transducer If the user requires another calibration follow the procedure in Chapter 4 of this manual To complete a successful installation auxiliary equipment such as the air supply and vacuum pump must be considered The pneumatic diagram of the 9034 is shown in Figure 2 8 Modules with a full scale output above 100 psia do not contain an internal supply regulator 9034 PRESSURE CONTROLLER SOLENOID SUPPLYS o o VENTIVAC gt QUARTZ STANDARD RELIEF VALVE REZERO SOLENOID OUTPUT REF Figure 2 8 9034 Pressure Calibrator P
54. format codes are listed in the following table converts each internal selected acguired datum value from max ch ar single binary float to 7 10 digit signed decimal xxx x xxxxxx single binary float to 8 digit hex integer xxxxxxxx Le double binary float to 16 digit hex integer xxxxxxxxxxxxxxxx single binary float to long integer EU 1000 then to 8 digit hex EA integer single binary float to exponential Jx xxxxxxexxx single binary float to same output directly as 4 binary bytes Unless the EU conversion scalar is altered returned pressure data will be in units of psi See command v a combination of array 02 coefficient 02 and array 03 coefficient 08 for configuring a Model 903x module to return data in other units NOTE With the exception of binary format 7 all other formats include a leading space in each datum delivered in each stream packet The number of stream packets num parameter is a positive integer count between 0 and 2147483647 specified with 1 to 10 numeric digits as needed If non zero it sets a finite limit on the number of packets delivered in the host data stream The value 0 requests continuous unbounded output packets for the defined host stream Page 34 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual Example e Using the limited legacy method configure three 3 separate autonomous host delivery stre
55. h to store the specified data value s Valid arrays are listed in Table 3 7 see u command The index field i specifies where in the specified array to store the data To specify a range of values a one or two digit starting index may be followed by a hyphen and a one or two digit ending index The index definitions are listed in Tables 3 8 3 12 see u command Page 60 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual The datum field s should include values for each index specified Each datum should always begin with at least one space This command stores new datum values into the module s temporary RAM memory To make any changes permanent the arrays must be copied into non volatile FLASH memory with the w command index 07 Examples e Command a Model 9034 absolute quartz calibrator module to operate in the pseudo differential mode This command specifies format O array 02 index 01 and writes the data value 1 v00201 1 WOA Response both commands A A e Command a Model 903x module to change its user visible operating units from the default psi to KPa units v00308 6 894757 v00202 0 Response from each command A A e Command a Model 903x module to restore its operating units to the default psi v00202 1 Response A Page 61 www PressureSystems com Pres
56. he Model 9082 communications power cable is connected between the NetScanner System module and the interface hub PSI 9IFC 90DB or 98RK e If using the Internet create a sub directory on your PC preferably in the same directory with UDP Query and then proceed to the PSI site www PressureSystems com to download the new firmware files Turn module power OFF and then ON Carry out the following steps to download your new firmware into your module NUSS PROGRAM Execute the Nuss application on the host PC using Windows 95 98 NT XP Select left click the module to be updated right click and then Connect to it From the same menu box select Update Firmware and follow the screen instructions These procedures will be explained in detail in Chapter 7 using the Quick Start Procedures Page 77 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual After all data has been transmitted Page 78 The module will program all data to non volatile memory After verification of the program cycle the download program will report the download status and terminate returning to the main program menu The program and verification cycle takes approximately thirty seconds Turn module power OFF and then ON The NetScanner System module with upgraded firmware is now ready for use www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual
57. ility with third party hardware and software Page 1 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual 1 2 Options 1 2 1 Pressure Ranges NetScanner System 903x instruments utilize a single high accuracy pressure transducer Models 9032 and 9034 contain an absolute pressure transducer available in ranges from 15 to 750 psia Models 9033 and 9038 contain a differential pressure transducer which is available from 1 to 5 psid Please consult the Sales Department at Pressure Systems at 1 800 678 SCAN 7226 for availability of other pressure ranges 1 2 2 Pneumatic Connections Swagelok compression fittings are the standard pneumatic connections for all NetScanner System instruments however other brand names may be used The number of fittings will vary depending upon the exact model purchased 9032 Absolute Pressure Standard incorporates one 1 fitting for input of absolute measurement pressures 9033 Differential Pressure Standard incorporates two 2 fittings for the input of differential measurement pressures 9034 Absolute Pressure Calibrator incorporates four 4 fittings the supply pressure the vent the reference pressure and the output pressure The reference port allows the 9034 Absolute Pressure Calibrator to also be used as a gauge pseudo differential instrument A software command can instruct the calibrator s standard to read barometric pressure which is th
58. isition cycles so as to update internal thermal coefficients When all hardware triggered streams are complete or aborted an individual module will return to the default mode of continuous scanning and EU conversion When the internal software timer is used to synchronize host stream output rates sync 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 highly synchronized data output is required from multiple modules the hardware trigger mode should be used and a method of wiring this user supplied synchronization line to all modules must be provided The period per parameter is a positive decimal integer count between 0 and 2147483647 specified with 1 to 10 numeric characters as needed Its meaning described in the following table depends on the sync type sync parameter described above number of hardware trigger periods to wait before sending each packet delay period in milliseconds to wait between sending each packet NOTE minimum is 10 milliseconds if per O or 1 Page 33 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual The f parameter identifies the format of each selected EU or auxiliary datum in each stream packet and is a single numeric digit Valid
59. its EU conversion of the scanned channel s is accomplished using thermal correction data extracted from each transducer at power up While scanning the module will automatically monitor the attached transducer s temperature correcting engineering unit output for any temperature affects All NetScanner System models effectively defer the host computer s decision of which channels of data do 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 The command Read High Precision Data r is used to retrieve the desired engineering unit data from all 903x modules Page 26 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual The user may command 9034 and 9038 calibrator modules to set pressures The command Write High Precision Data p is used for this purpose The 9032 and 9033 standard modules ignore this command 3 1 5 3 Other Functions Some commands may be used at any time 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 although generally used after power up reset may also be used at other times as well to change system operation 3 1 5 4 Network Guery and Control Functions A special subset of three 3 UDP I
60. ld is not used and may be omitted a format specifier f is still required 01 Generate a pressure in the minimum time Specify the output pressure value in the datum field using the current engineering units 02 Set a pressure using the ramp rate selected with the V command Specify the output pressure value in the datum field using the current engineering units 03 Go to a pressure stored in an internal table of pressures Specify the table s index value in the datum field using an integer value between 0 and 127 04 Cycle once through the internal table of pressures Although the datum field is not used and may be omitted a format specifier f is still required 05 Cycle continuously through the internal table of pressures Although the datum field is not used and may be omitted a format specifier f is still required After receiving this command the module will return an acknowledge response and begin driving the output pressure toward the first or only requested value This value the external volume and the internal ramp coefficient all affect the time required to actually set the pressure Query the operational status word with the g command to determine when the command has completed and the pressure is stable The reguested command is not complete until indicated by the operational status word Page 46 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual E
61. le NOP command to elicit a Known response from a module Although this causes no internal function within the module it will result in an acknowledgment being returned to the host computer to verify proper communications At any point during module operation the Reset B 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 This reset simply returns internal software parameters to a default state it will not close the existing TCP IP socket 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 acquisition The Network Query psi9000 UDP IP command may be used at any time to make each NetScanner module on the network identify itself to the host s 3 1 5 2 Commands for Data Input Output After power up all NetScanner System modules will begin to scan their transducer channel s These data are stored in an internal buffer available for retrieval by the host computer Scanning will occur at the module s maximum internal rate with the number of samples averaged specified as an option changeable by the Download Internal Coefficients v command see array 02 indexes 07 amp 08 Engineering Un
62. module Example e Send TCP IP command to module via its open socket to acknowledge module power on A Read following response A Page 29 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual RESET Command B Purpose Instructs the module to reset internal operating parameters and to set all internal control variables to their default reset state see description below The current TCP IP socket connection will remain open Execution after a power off on cycle is optional unnecessary Command B B is the command letter Response B B is the acknowledge letter Description The NetScanner System module returns to the following reset states if this command is executed All solenoids are de energized valves all set to normal states which are mostly unconnected except the GENERATE valve which is normally connected when its solenoid is de energized Example e Send TCP IP command to module via open socket to set reset defaults B Read following response B Page 29 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual DEFINE CONTROL HOST STREAM Command c Purpose Defines and controls the delivery of any of up to three concurrent high speed autonomous data streams to the host computer Such data streams also known as scan lists when controlled by hardware t
63. nd Control FUNCTIONS cccccceeseeeeeeeeeeeeeeeeeeeeeees 27 3 2 Detailed Command Description Reference cccseecccceeeeeceeeeeeeeeeeesaeeeseaeeessaaeeesaaes 27 Power Up Clear Command A i a E De CD TU Y OY 28 Reset Command Bues SR O YD a OG Fo 29 Define Control Host Streams Command C cccccseececeesccecesececeeeeseeeeeeseeeeeseeeetsees 30 Sub command Index 00 Configure a Host Delivery Stream 32 Sub command Index 01 Start Streams cccceeecceeceseeeeeeeeeeeeesaeeeeeessaees 36 Sub command Index 02 Stop Stream cccccccccseseeceseeeeeeeseeeeeeesseeeeeesenees 38 Sub command Index 03 Clear Stream 9 eee err YA LY FE LL FL LL LL Lnou 39 Sub command Index 04 Return Information About a Stream 40 Sub command Index 05 Select Data Groups in the Stream 41 Write High Precision Data Command p ccceccecseeeeeeceeeeeeeeseeeeeeeseeeeeeeseaeeeessaaeees 45 Read Module Siatus Command G ue I ONNEN GARN GAU 48 Read High Precision Data Command T cccceecccceeececeeececeeeceeeenecesseeeessueeeeseneeetanes 52 Read Internal Coefficients Command u 9 eer GLY Y AA LA LG LL L AG LL LG LL LL LL FF FFnuuund 54 Download Internal Coefficients Command V cceccccseececeeeeeeeeeeeesaeeeeeseeeeesaeeesaaes 60 Set Operating Options Command W ccccccssecececseeeeee
64. nd the host computer has been configured to communicate properly the final step is to verify that any additional communications cables are connected correctly for additional modules If more than one module is being used always begin testing with only one unit attached to the network After communications are verified on the first module add additional modules and repeat testing procedures Page 80 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual 6 2 Reading Atmospheric Pressure Once communication is established leave all pneumatic connections open to atmosphere and use the r command to read ambient pressure Models 9032 and 9034 contain an absolute pressure standard The 9034 has a Ref port allowing it to be configured to operate in either the absolute or the pseudo differential mode Models 9033 and 9038 contain a differential transducer and must be operated in the differential mode only The ambient pressure should read near 14 7 psia for absolute operation and near zero for differential operation If the pressure is unreasonable check the following Read the module configuration from Array Type 02 using the u command and compare the values with the table below Table 6 1 Array Type 02 Description 9032 9034 9033 9038 Type O Quartz 1 HASS 2 DPT Mode O Abs 1 Diff 1 Diff 9034 MA NN Me Counter Avg 2000 _8_ apag 200 HASS ony e If the module is a 9032 or
65. nection is established with the host They also recognize the UDP IP commands beginning with psi anytime a module has power All commands are functionally summarized in Section 3 1 4 and detailed in reference Section 3 2 3 1 2 3 Position Field For some commands the position field pppp may be broken into other distinct independent subfields e g xxyyzzf and these subfields may or may not relate to any datum fields In other commands there may be a 1 to 1 correspondence between 1 bits in the position field viewed as a binary bit map expressed as a hex number and the number of datum fields that follow it or the number of datum fields returned in the command s response The bit map form is explained below All NetScanner System Intelligent Pressure Standards Calibrators may contain up to a maximum of sixteen 16 separate input output channels When commands affect certain channels in the module the position field is used to identify those channels as bits in a bit map The Model 903x series has only one EU pressure channel Channel 1 which provides the current value of the high accuracy pressure standard s measurement For maintenance purposes other channels 2 16 may provide various internal measurements If a channel s corresponding bit in the position field is set to a one 1 then that channel is affected by the command The least significant right most bit 0 corresponds to channel 1 and the most significant left most bi
66. ner System Model 903x User s Manual 3 1 4 Command Summary All commands applicable to NetScanner System Intelligent Pressure Standards Calibrators are summarized in the following table Table 3 3 Table 3 3 903x NetScanner Comm command id TCP IP Commands I Power up Clear Reset Define Control Host Streams 6 sub commands Write High Precision Data a d Read Module Status Read High Precision Data Read Internal Coefficients Download Internal Coefficients Set Operating Options w UDP IP psi9000 Query Network Commands Reboot Specified Module psirarp Change Specified Module s IP Address Resolution method then Reboot 3 1 5 Functional Command Overview The various NetScanner System commands are best introduced by classifying them into functional groups and then describing how each function is carried out in a typical system The following functions are defined by 903x module commands Start up Initialization Reading Writing of Status Operating Parameters Calibration Accuracy Adjustment Acquisition Delivery of Data to Host Controlling Pressures Generated by calibrators Network Query and Control Please look back to Table 3 3 labeled 903x NetScanner Commands for a quick look summary of all commands available to NetScanner System Intelligent Pressure Standards Calibrators Each command may be referenced by both its function and by its command id in the functional discussion sub sections
67. nput pressure directly to the single input fitting on the top plate The tubing connected to this fitting should be rated for the full scale input pressure of the module The pneumatic diagram of the 9032 is shown in Figure 2 6 To protect the guartz standard an internal relief valve vents the input when it exceeds 110 of the full scale pressure range 9032 PRESSURE SIANDARD QUARTZ STANDARD RELIEF VALVE voui INPUT Figure 2 6 9032 Pressure Standard 2 5 The 9033 Differential Pressure Standard The 9033 Pressure Standard measures a single differential pressure Connect the differential measurements high side to the INPUT port on the top plate and the low side to the REF port The tubing connected to this fitting should be rated for the full scale input pressure of the module The pneumatic diagram of the 9033 is shown in Figure 2 7 The bi directional relief valves vent if either input exceeds the other by 110 of the full scale pressure range The Re zero solenoid allows the user to minimize zero errors due to line pressure temperature and drift with time 9033 PRESSURE SIANDARD HASS STANDARD 3 DDOD RELIEF VALVES REZERO SOLENOID INPUT REF Figure 2 7 9033 Pressure Standard Page 11 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual 2 6 The 9034 Ouartz Absolute Pressure Calibrator The absolute reference 9034 generates pressures between 5 100 o
68. nsducers measure absolute pressure However the user can operate in a pseudo differential mode and generate pressures relative to a reference pressure In this mode the module measures the reference pressure by connecting the Re zero valve and stores its value To generate differential pressures the stored reference pressure is added to the reguested pressure When reading differential pressures the stored reference pressure is subtracted from the measured pressure When operating in the pseudo differential mode all pressures specified by the user must be in differential units The sum of the reference pressure and reguested pressure cannot exceed the range of the resonant guartz Generating zero differential pressure is a special case When zero pressure is reguested in the differential mode the calibrator pneumatically shunts the output port to the reference port by automatically energizing the Zero solenoid 2 6 1 5 Absolute Mode When operating the 9034 calibrator in the absolute mode specify all pressures in absolute units The reference port is not used in this mode i e Zero valve always remains unconnected solenoid not energized 2 6 1 6 Over Pressure Protection Each 9034 calibrator has a pressure relief valve to protect its resonant quartz transducer The relief valve is factory set to release any pressure that exceeds 110 of the unit s full scale pressure range Although the relief valve is designed to protect the quartz
69. oadcasts commands to port 7000 and the module broadcasts responses via port 7001 Only a few network control commands use UDP IP I E note NOTE After the host disconnects from module the host must wait 10 seconds before attempting to reconnect to the module 3 1 2 Commands The commands used by all 903x modules consist of short strings of ASCII characters The TCP UDP IP protocols used allow for the transfer of either printable ASCII characters or binary data When using certain command formats binary data values are often converted to ASCII hex representations Such hexadecimal parameters may include the ASCII number characters 0 through 9 and the uppercase ASCII characters A through F These hex values may externally represent internal bit maps of individual options or actual internal integer or floating point IEEE binary data values In other cases see optional format 7 below binary data may be transmitted directly as 4 byte 32 bit big endian binary values without any formatting change 3 1 2 1 General Command Format A typical TCP IP command contained in the data field following a TCP packet header is a variable length character string with the following general fields a 1 character command letter c an optional position field pppp a variable length string of hexadecimal digits a variable number of datum fields dddd each a variable length string normally formatted as a decimal number
70. on the network so that it uses its other IP Address Resolution method and also re boot it Presumably it knew module s current state iparpst as result of a recent Network Query response from the module psirarp 00 E0 8D 00 00 01 Response none Page 68 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual ee RO Chapter 4 Calibration 4 1 Resonant Quartz Standard NetScanner System modules 9032 and 9034 contain a resonant quartz transducer In this transducer a bellows converts input pressure to an axial force applied to the crystal resonator To compensate for thermal effects the transducer contains another quartz resonator that is sensitive to temperature only Thus the transducer has two frequency outputs One output represents applied pressure with some temperature effect and the other represents temperature with no pressure effect The nominal pressure frequency output varies from 40 kHz at zero pressure to 36 KHz at full scale To measure the pressure period the reference clock is gated into a 24 bit counter for a number of pressure cycles Cp NFc T T pressure period C pressure counts N number of pressure cycles Fe reference frequency Page 69 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual The number of pressure cycles N is adjusted to optimize resolution with measurement time 1
71. r Table 3 1 and Table 3 6 Command c 05 st bbbb is the command letter is the sub command index ii for Select Data Groups is the stream id digit 1 2 or 3 0 not allowed bbbb is the hex option field bit map to select which options will be returned in the data stream See table NOTE all parameters separated by a space Response A is the acknowledge letter Description If this sub command is never executed for a particular stream then the single EU Pressure Datum is and optionally any other re mapped auxiliary data are delivered in that stream following the fixed format binary stream header If only the EU Pressure Datum is specified by sub command 00 this sub command 05 provides an improved unlimited method of selecting any auxiliary data and status data in the stream The bit map values for parameter bbbb shown in the following table may be added together to specify all the actual data status groups that will be delivered in each packet of the specified stream The first table entries if their bits are specified causes status values to be delivered in the stream packet immediately following the stream header The third table entry if specified causes the Pressure EU Datum to be delivered next per the specified format f in the configured stream The remaining table entries will cause other auxiliary data i e raw pressures and EU or raw temperatu
72. r its single EU pressure and EU temperature input channel from its particular Ouartz absolute standard or differential standard It also scans and stores other intermediate internal raw data forms of the pressure and temperature channels The result of such free run scanning is a continuously updated available data buffer Pressure data are scanned more frequently than temperature data however This buffer is available to three 3 concurrent host data delivery tasks or available to the standard data acquisition command of the module i e the f command Each host delivery task can grab selected data values from the available data buffer and deliver them to the host in its own programmable data stream Such streams are a sequence of TCP IP packets that autonomously arrive in the host as long as the host processes them in a timely fashion thus maintaining enough TCP IP buffering space to hold them as they arrive If streams are defined to occur at rates that are too high the host could be easily overwhelmed www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual Page 31 Special augments of this command called sub commands distinguished by first parameter i can configure each data stream with its own particular data values temperature and or pressure in raw and or EU form and its own datum conversion format delivery rate etc These augments can also start stop pause resume or un
73. re values in A D counts or voltage forms to also be delivered in each stream packet That is each of these auxiliary data status groups is output in the stream packet if its bit is specified in the order of its table entry Each other auxiliary datum will be in the specified format per f except any status datum will always be a hexadecimal bit map 16 bit big endian Page 41 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual The primary configuration command sub command 00 and the secondary configuration command sub command 05 for a stream are independent of each other Executing one does not clear or negate the other However when a stream is cleared sub command 03 both configure commands return to their default module startup state bbbb hex Data status group selected for inclusion in stream s packet Valve Position Status see next table for field format Temperature Status reserved for future use Reference A D Counts Datum HASS only Reference Voltage Datum HASS only Zero A D Counts Datum HASS only Zero Voltage Datum HASS only Note If this currently undefined item is specified no datum is returned in the stream for it Note If any of these items are specified for a non HASS i e Guartz unit dummy data values containing zero 0 formatted per f are returned in the stream Page 42 www PressureSystems
74. ressure generation air flows from the SUPPLY port to the VENT VAC port Each pressure calibrator draws air through the SUPPLY port and vents any excess through the VENT VAC The amount of flow depends on the full scale pressure range and the output pressure The user must provide sufficient flow capacity to the SUPPLY port and must not obstruct the VENT VAC port Back pressure on the vent from a blockage or combining of the vents from different calibrators will affect the operation These vents should NOT be manifolded together with tubing for example to route the venting air out of the control room Use ONLY individual tubes for this purpose 2 7 1 3 REF Port The reference REF port provides the reference pressure for the differential output Connect the REF port to the desired reference source Do not exceed the maximum pressure of 20 psia Leave the REF port open to atmosphere for most applications which use atmospheric pressure as the reference The 9038 differential pressure calibrator is capable of operating at elevated reference pressure line pressure Because operation at elevated reference pressure may adversely affect the calibrator s ability to accurately generate pressure with atmospheric reference PSI offers elevated reference pressure as a no cost option Standard 9038 differential pressure calibrators are factory set for atmospheric reference operation Contact the PSI Sales Department to specify your exact line pressure opera
75. rigger may be delivered continuously without bound i e until a command explicitly stops them or be delivered in a limited amount i e until a pre specified fixed number of data packets have been generated Each packet delivered may be synchronized by a user supplied hardware trigger or each packet may be delivered periodically as synchronized by an internal software clock These concurrent host streams are an alternate method of acquiring delivering data rather than using the Read High Precision Data r command Host data streams once activated in a module deliver a sequence of TCP IP data packets autonomously to the host i e without host having to send any particular command to the module to reguest each packet Various sub commands described on following pages define and control all stream options and use the following general c command format Command C fl ddddl C is the command letter i is a sub command index augment code preceded by a space character dddd are optional datum fields each preceded by a space character as per augment code ii NOTE all parameters are separated by a space Response Depends upon particular sub command ii sent See below Autonomous Depends upon particular sub command i sent Packet See below Description The firmware of a Model 903x module once fully operating after startup Page 30 continuously scans and converts data fo
76. rogram may send to a NetScanner System Intelligent Pressure Standard Calibrator module as well as the data or status responses returned by the module Most applications reguire working knowledge of only a small number of these commands Most commands apply to both types of modules Models 9032 and 9033 standards and models 9034 and 9038 calibrators use the TCP IP protocols to communicate with their host computer via Ethernet 10 Base T interfaces 3 1 1 1 TCP IP Protocols The TCP IP protocol suite 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 Other useful protocols such as UDP are included within the TCP IP suite Models 903x use TCP IP protocols for most commands and responses since the TCP layer provides a robust error detection and correction layer However a few network guery and control commands use the simpler connectionless UDP IP protocols Using the underlying basic IP protocol the host computer and interconnected modules are all peers that can all communicate equally Each peer must have its own unique logical IP Address as well as its own unique physical Ethernet Address Any peer may initiate transmissions without permission from the receiver In the NetScanner System implementation the host computer is normally a client and generally initiates most transmissions by sending commands to the
77. s adjustments are needed to recalibrate the transducer The zero corrected ratio of the pressure and excitation is computed from the raw measurements Pe P E m m E Z m m P pressure signal ratio P raw pressure measurement E raw excitation measurement Z raw zero measurement The applied pressure is computed from the pressure ratio A BV CV DV EV S Z hear as r r F Fr he applied pressure pressure ratio transducer calibration coefficients span adjustment zero adjustment X Naa y Page 2 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual The zero corrected ratio of the temperature and excitation is computed from the raw measurements MD A T _m E Z m m T temperature signal ratio T 7 raw excitation measurement Lm raw zero measurement The temperature induced change in the pressure signal is compensated by adjusting the coefficients A E These coefficients are parameterized directly in terms of T A A0 A1T A2T AT A4T B B0 B1T B2T B3T B4T CECO Cll CT COT aT D D0 DIT DIT D3T D4T E E0 EIT PE E3T EAT A0 A4 calibration coefficients BO B4 calibration coefficients C0 C4 calibration coefficients DO D4 calibration coefficients EO E4 calibration coefficients Since the temperature signal is derived from the bridge resonanc
78. s are listed below Table 3 6 Position Field Bit Map Definition Ouartz Models Models 9033 9038 9032 9034 0 Engineering unit pressure psi HASS only Raw reference counts HASS only es Raw zero counts HASS only 10 Raw pressure N A HASS only counts 10 Raw temperature N A HASS only counts 11 Transducer temperature C HASS only Channel Page 52 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual The format specifier f determines the format each channel s datum is returned in the response See other possible formats in the following table converts each internal response value from single binary float to 7 10 digit signed decimal XXX Xx Xxxxxx single binary float to 8 digit hex integer xxxxxxxx oe double binary float to 16 digit hex integer xxxxxxxxxxxxxxxx single binary float to exponential x xxxxxxexxx single binary float to long integer EU 1000 then to 8 digit hex integer single binary float to same output directly as 4 binary bytes Examples e Instruct a module to return its EU pressure in decimal ASCII format r00010 Response indicates that the pressure standard reads 1 234000 psi 1 234000 e Instruct a HASS differential module 9033 or 9038 to return each raw datum and its EU transducer temperature in decimal ASCII format r810E0 Response returns highest channel
79. s position field and the 05 sub command is used to specify which of all possible datum values and other additional status values may be included in the defined stream This better method is more flexible than the limited method as it provides additional new raw datum formats and provides for additional internal status datum formats as well It is also more like the capabilities provided by other NetScanner scanner modules www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual Command c Sub command Index 00 Configure A Host Delivery Stream This sub command is used to configure the principal 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 and stopped with other sub commands This Configure sub command s format is Command c 00 st p p p p sync per f num is the command letter is the sub command index ii for Configure st is the stream id digit 1 2 or 3 ll plp p po is a 1 4 digit hex position field channel selection bit map capable of selecting 1 16 internal remapped channels as per command r see Table 3 1 or 3 6 for providing limited auxiliary datum formats However if only EU pressure channel 1 is defined here a sub command 5 provides an unlimited method of specifying which auxiliary data and additional status data
80. ser s Manual able 3 2 Error Codes BIN Y or undetnes commana Receives ET OOO En Y or spectes tinsel os a Systm eran ial 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 only of the letter A for ACK or acknowledge The Acknowledge with Data response is returned when a module receives a command requesting data NetScanner System modules will typically return only the requested data values 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 For NetScanner modules with Ethernet host interface no letter A actually begins this response Each response datum including first may begin with at least one space character except when format 7 is specified The Network Query response is only returned for the Network Query psi9000 UDP IP command It returns an ASCII string with a series of comma separated data fields These uniquely identify the module that responded to the query IP Address Ethernet Address module type serial etc All other UDP IP commands return no response Page 24 www PressureSystems com Pressure Systems Inc NetScan
81. stems com Our Firmware This manual was prepared for various versions of module firmware as were released at the time of this manual publication Addenda will be distributed as deemed necessary by PSI Any questions regarding firmware upgrades may be addressed to the Applications Support Group Firmware revisions manual addenda and utility software may also be obtained from the PSI web page at www PressureSystems com Our Publication Disclaimer This document is thoroughly edited and is believed to be thoroughly reliable Pressure Systems Inc assumes no liability for inaccuracies All computer programs supplied with your products 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 Page vi www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual en Chapter 1 General Information 1 1 Description of the Instruments NetScanner System Models 9032 and 9033 are single point high accuracy pressure standards Models 9034 and 9038 are high precision pressure calibrators which incorporate standards but have the added capability to generate as well as measure precise pressures These units are designed for a variety of laboratory and manufacturing test applications In this manual they are referred to collectively as 903x modules The unique fe
82. sure Systems Inc warrants NetScanner System products to be free of defects in material and workmanship under normal use and service for one 1 year Technical Support Monday through Friday during normal working hours 7 30 am through 5 30 pm Eastern time knowledgeable personnel are available for assistance and troubleshooting Contact the Applications Support Group or the Customer Services Department at Pressure Systems 757 865 1243 or toll free 1 800 328 3665 if your scanner is not operating properly or if you have questions concerning any of our products E mail assistance is available by contacting Applications PressureSystems com Merchandise Return Procedures If your scanner needs to be returned to Pressure Systems obtain a Returned Merchandise Authorization RMA from the Customer Service Department Be prepared to supply the following information when requesting the RMA Part number Serial number Complete description of problems symptoms Bill To and Ship To address Purchase order number not required by PSI warranty repairs Customer contact and telephone number The above information including the RMA number must be on the customer s shipping documents that accompany the equipment to be repaired PSI also requests that the outside of the shipping container be labeled with the RMA number to assist in tracking the repairs All equipment should be sent to the following address ATTN PSI REPAIR DEPARTMENT 7 digi
83. sure Systems Inc NetScanner System Model 903x User s Manual SET OPERATING OPTIONS Command w Purpose This command can change a module s default operating option settings or invoke other special internal functions or operations Command wii dd eeee is the command letter is the index is the optional hex datum is an optional extra datum with leading space Description The index field ii contains two hex digits that identify the specific operation The datum field dd when present contains 2 hex digits Only one index 14 requires the extra datum field eeee Valid values are listed in the table below marks a missing datum field and fourth column shows any q command index for reading same option Table 3 13 Index and Datum Fields Mm UI Execute Internal Self Test se Update Thermal Coefficients 7 Reserved for factory use Store All Arrays in non volatile Flash memory 00 7F Clear de energize Digital Outputs whose bits See Table 3 15 are set in the datum field bit map 00 7F Set energize Digital Outputs whose bits are See Table 3 15 setin the datum field bit map Re zero Pressure Standard in the differential operating mode For standard type DPT re zero the module in the same physical orientation that it will be used se Reserved for factory use Calibrate DH 200 See Sec 4 4 Reserved for factory use 13 00 Use Static IP Address Resolution d
84. t 15 corresponds to channel 16 For each 903x module the position field will have up to four 4 characters or 16 bits maximum See the example below where only channels 16 and 1 are selected Bit ff 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Chan 16 10 9 8 T 6 5 4 3 2 1 15 14 13 12 11 snay 1 o o o o fo fo o fo fo Jo fo fo fo o hi e __ 9r 9 Page 21 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual Er NOTE A position field bit map may specify the number and order of Note datum fields that follow it if command writes data to module It may also specify the number and order of datum fields returned in the command s response if command reads data from module In either case the order of the datum fields is from highest reguested channel number to lowest reguested channel number When all applicable bits are set in the position field i e FFFF for 16 channel module it specifies all channels Alternately some commands allow a missing position field to designate all channels but only when there are no other parameters following the position field in the command Optionally the hex position field may be reduced to 3 2 or 1 characters when no channel bits are set 1 in the discarded high order hex digits nibbles Table 3 1 903x Channels in Position Field Definition Channel Model 9032 9034 Model 9033 9038 EU Pressure from Standard psi EE i oe 2
85. t RMA number Pressure Systems Inc 34 Research Drive Hampton Virginia 23666 Page v www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual PSI will return warranty items prepaid via UPS GROUND If the customer desires another method of return shipment PSI will prepay and add the shipping charges to the repair bill Incoming freight charges are the customer s responsibility The customer is also responsible for paying shipping charges to and from PSI for any equipment not under warranty All products covered under the PSI warranty policy will be repaired at no charge An analysis fee will be charged to quote the cost of repairing any item not under warranty If for any reason the customer decides not to have the item repaired the analysis fee will still be charged If the quote is approved by the customer the analysis fee will be waived The quote for repair will be based on the PSI flat rate for repair calibration and board replacement When these prices do not apply the quote will be based on an hourly labor rate plus parts All replaced parts are warranted for 90 days from the date of shipment The 90 day warranty is Strictly limited to parts replaced during the repair Website and E Mail Visit our website at www PressureSystems com to look at our new product releases application notes product certifications and specifications E mail your guestions and comments to us Sales PressureSy
86. te 0000 Static default 0001 Dynamic TCP IP Data Field Size Prefix as hex state 0000 None default TCP Connect Port as hex value e g 2828 or 9000 decimal default Auto UDP Broadcast Reset as hex state 0000 No default 0001 Yes TCP Backoff Delay as hex value 0000 None default FFFF use low order Ethernet Address Page 48 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual A 4 digit hex response may represent a 16 bit binary internal value or a status datum or bit map Bit O is the least significant bit Some responses are returned in a decimal format that represents an internal integer or float For those marked hex bit map the bits may be individually interpreted according to one of the following tables Power up Test Status Bit Map ii 02 Definition A D failure Not used with TCP IP modules DH200 error FLASH initialization data error All initialized data set to default values and stored in FLASH Power up set at power up and cleared by reading this status word Error set if the error status word is not zero and cleared by reading the error status word Busy set when busy while setting a pressure and cleared when commands are complete Old data set by reading the current data value and cleared by a new measurement Pressure set set when generated pressure is within tolerance of setpoint Page 49 www PressureSystems com
87. the internal binary format to from ASCII hexadecimal external form Some of these formats provide an external hex bit map of the internal binary value float or integer as appropriate Format 5 may encode decode the internal float value to from an ntermediate scaled binary integer e g float value 1000 into integer then to a hex bit map in a response reversed in a command datum conversion e _ A special external binary format 7 may be used by some commands to accept return binary data directly from to the user command response Such values are not user readable in their external form but provide highly compact storage without any accuracy loss due to formatting See the individual command descriptions for the formats a particular command recognizes 3 1 3 Responses Four 4 types of responses can be returned from a NetScanner System Intelligent Pressure Standard Calibrator module e an Errorresponse e an Acknowledge response e an Acknowledge with Data response or e a Network Query response The first three may be returned by TCP IP commands the latter from a UDP IP command The error response consists of the letter N for NAK or negative acknowledge followed by a two digit hexadecimal error code Error codes that can be returned from a NetScanner System Intelligent Standard Calibrator module are shown below in Table 3 2 Page 23 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x U
88. ting requirements 2 7 1 4 Operation in Differential Mode The 9038 operates in the DIFFERENTIAL mode ONLY The internal pressure transducer is a true differential standard During a re zero operation the calibrator pneumatically shunts the output port to the reference by connecting the Re zero valve and measures the zero offset After the re zero the calibrator subtracts this offset from the measurements When zero pressure is requested the calibrator pneumatically shunts the output port to the reference port The user must specify all pressures in differential units Page 16 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual 2 7 1 5 Operation in Absolute Mode The 9038 differential pressure calibrator cannot operate in absolute mode 2 7 1 6 Over Pressure Protection Each 9038 calibrator has two relief valves to protect its internal differential transducer These valves are factory set to release any differential pressure that exceeds 110 of the unit s full scale pressure range Although the relief valves are designed to protect the transducer against accidental over pressure exceeding the specification over pressure may result in permanent damage 2 9 Operating Considerations 2 8 1 Operational Effects of Leaks The most critical item for successful operation of any one of these modules is the elimination of leaks Each module has been tested for internal leaks and calibrated with an air pis
89. ton standard 9034 and 9038 modules set pressures accurately but do not have remote sensing capability External leaks can produce unpredictable results Refer to Chapter 6 Paragraph 6 4 for a leak check procedure 2 8 2 Locating and Fixing Leaks The most common leaks are found in the external connections The Swagelok fittings on the unit need only be finger tight plus 72 turn with a wrench Inspect the fitting and replace it where necessary when a leak is suspected or found Over tightening will damage the fitting 2 8 3 Power up Checks and Self Diagnostics Upon power up the module firmware performs internal self diagnostic checks and illuminates the OK LED if no errors are detected The user may interrogate the results of these tests with the Read Status command described in Chapter 3 The module displays several types of errors by blinking the OK LED If the OK LED does not remain illuminated contact PSs Repair Department An A D hardware failure is indicated by one blink on the OK LED The blink pattern will repeat after a five second delay Page 17 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual This page intentionally left blank Page 18 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual ee Chapter 3 Programming and Operation 3 1 Commands and Responses 3 1 1 Introduction This chapter describes all commands a host computer p
90. transducer against accidental over pressure exceeding the over pressure specification may result in permanent damage Page 14 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual 2 7 The 9038 Differential Pressure Calibrator The differential reference 9038 is designed to generate pressures between vacuum and 100 of the instrument s full scale pressure range A digitally controlled pneumatic servo valve modulates the mix of supply vent pressure to its output allowing pressures to be generated relative to the reference pressure The differential high accuracy pressure standard is measured under microprocessor control to maintain the desired generated pressure when the Generate valve is connected flowing The Re zero solenoid allows the user to execute on demand a pneumatic re zero of the pressure standard This standard may also be used in a measurement mode by disconnecting the normally connected Generate valve and applying the pressure to be measured to the output port The instrument is protected by bi directional relief valves designed to vent whenever either the output or reference port exceeds the other by 150 of the full scale pressure The pneumatic diagram is shown in Figure 2 9 9038 PRESSURE CONTROLLER SUPPLY SOLENOID SUPPLY o VENT VAC CONTROL o SOLENOID HASS i STANDARD a Oc DN B REZERO SOLENOID OUTPUT REF Figure 2 9 9038 Pressure Calibrator
91. up cccccceececeececeececeeeeseeeeseeseceueeseueesneneesseeesees 8 2 3 5 Pneumatic Connections ccccccececececcececececececccecccccacaucecececetececucacaeaeavauaeces 9 2 4 The 9032 Quartz Absolute Pressure Standard eeeene HYLL LY Y YG LLY FFY Y FF eau 11 2 5 The 9033 Differential Pressure Standard ccccccccccececececcccccccecececececucecacecauauaeneneness 11 2 6 The 9034 Quartz Absolute Pressure Calibrator cccccccccceccececcececcececcececceceeseceenecass 12 2 6 1 Pneumatic Connections to the 9034 Pressure Calibrator u 13 2o SUPPLY ROM GG ets aes ced GR Ud a 13 2012 V NA O POf wa EG GG O 13 PA e Vee AEF FOL E EI Y Y Rd GG WD OD oo 13 2 6 1 4 Differential Mode e GG LL LG GG GG GR GG GL LL FF Wyn 14 2615 Absolute Modern Ge a CA Dda 14 2 6 1 6 Over Pressure Protection u GG LL iu 14 2 7 The 9038 Differential Pressure Calibrator ccccccccececececccccececececececucecavacavauaeaeneness 15 2 1 Pneumatic Connections to the 9038 Pressure Calibrator uu 15 2 7 141 SUPPLY PO ad Dd Y O o dd do da GU y GY Fa 15 2 7 1 2 VENT VAC Port LLI GL GL LL LL Lu 16 PARE UG We AC eh ak ed CT _ HIR 2 YR HN WW Y HAR AYN ae 16 2 7 1 4 Operation in Differential Mode 99 uen rrr LL Y AA A LL YL FL FL nuuu 16 2 7 1 5 Operation in Absolute Mode cccccccceeeeeeeceeeeeeeseeeeeeeeaeeeeeesae
92. ure Systems Inc NetScanner System Model 903x User s Manual 6 4 Leak Check To achieve high accuracy pneumatic connections to the output port of a Model 9034 or 9038 must be leak tight Use the following procedure to check for output leaks o Set the output pressure to full scale xx xxxx with p command p001 xx xxxx e Wait several minutes for the system to stabilize e Remove the pressure generator by energizing disconnecting the normally connected Generate valve K6 and then de energizing disconnecting Supply valve K5 with w commands w0920 w0810 This will remove the pressure source and trap the output pressure in a closed volume e Monitor the output pressure for several minutes The pressure decay should be less than 0 05 FS min Page 83 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual This page intentionally left blank Page 84 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual en Chapter 7 Start up Software 7 1 Introduction The NetScanner System Unified Startup Software NUSS allows you to operate from a Windows based host PC a diverse network of pressure scanner modules and or standard calibrator modules of the NetScanner System type The NetScanner System for which NUSS was designed is a distributed Ethernet network using TCP UDP IP protocols that functions as a precision pr
93. vide logic outputs Up to 1 amp of 24 VDC power is available for external use 24 VDC solenoids reguiring less than 0 5 amp may be directly connected to the I O connector The output current for each driver should not exceed 0 5 amp and the total current for all four outputs should not exceed 1amp A software command is used to read the four user digital inputs D1 D4 These inputs can be used to sense TTL signals or external pull up resistors may be added to sense contact closures Up to 50V may be applied without damage Other similar digital I O bits control the internal solenoid valves K5 K7 and sense their current status Model 9032 has no internal solenoid valves though other models have either one or three valves Under certain conditions these may be user operated or automatically operated by internal functions Page 3 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual This page intentionally left blank Page 4 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual ee Chapter 2 Installation and Setup 2 1 Unpacking and Inspection The NetScanner System product family has many components which may be purchased either as an entire system or as individual pieces of eguipment Before assembling the system use the shipping bill as a reference to ensure that all parts have arrived Pressure Systems Inc takes no responsibility for equipm
94. ware trigger is a constant and is Known The selected acguired data and status in each packet will be ordered according to the rules of the particular method imited see sub command 00 or unlimited see sub command 05 that was used to specify them The imited method returns data from highest specified Channel to lowest specified Channel The unlimited method returns any specified status word first vv followed by each datum in the order they are defined in the specification table lowest bit number to highest bit number Each datum dddd will be output per the format code specified when the stream was configured by sub command 00 e Start all the streams configured in the previous example c 01 0 Read response A Soon after the response is received the requested data stream packets will begin arriving in the host at a quantity content and rate determined by each stream s own particular current configuration per the 00 05 sub command Page 37 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual Command c Sub command Index 02 Stop Stream This sub command is used to suspend 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 duration The sub command s format is Command is the command letter is the sub command index ii for Stop Stream
95. xamples e Generate 15 000 psi in minimum time in calibrator 9034 or 9038 module p001 15 000 Response aN e Generate the 5th stored pressure in table inside a calibrator module p003 5 Response WN e Generate all the stored pressures once in table inside a calibrator module p004 Response A Page 47 www PressureSystems com Pressure Systems Inc NetScanner System Model 903x User s Manual READ MODULE STATUS Command g Purpose Read status information from a module Command is the command letter is the status index field Response hhhh hhhh is a 4 digit hex datum or other decimal datum Description The optional 2 digit index field ii chooses a particular status field to be returned Returned value is described in following table for each index a third column shows any w command index for setting same option Table 3 5 Selectable Option Indexes a Ss ere value w Fad a Ss ere hex or other decimal be 00 Module s Model Number as decimal integer e g 903x 01 Firmware Version Number as hex value expressed internally as integer version 100 e g hex 0064 100 decimal means version 1 00 Power up Test Status as bit map see table below Operational Status as bit map see table below 04 Error Status as bit map see table below Digital Input Status as bit map see table below IP Address Resolution as hex sta

Model 903X Pressure Standard & Pressure Calibrator User's Manual

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Model 903X Pressure Standard &amp; Pressure Calibrator User's Manual

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Model 903X Pressure Standard & Pressure Calibrator User's Manual