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LDN101 - OMEGA Engineering

1. Ze C J QUOI UU UCD Snimi bh Satine a 11 ER L Vd Orbit Network Card Up to 4 cards per PC LDN101 Channel 1 Up to 31 Modules im User s Guide a Mixed probe capability DOO Se pem al Simple installation using T CON Page 1 of 54 Up to 31 Modules a per Channel network wmf An OMEGA Technologies Company http www omega com e mail info omega com LDN101 Network Card and Driver M 3338 02 99 omega conY CEOMEGA OMEGAnet On Line Service http www omega com Internet e mail info omega com USA ISO 9001 Certified Canada USA and Canada Mexico and Latin America Benelux Czech Republic France Germany Austria United Kingdom ISO 9002 Certified Servicing North America One Omega Drive Box 4047 Stamford CT 06907 0047 Tel 203 359 1660 e mail info omega com 976 Bergar Laval Quebec H7L 5A1 Tel 514 856 6928 e mail info omega ca For immediate technical or application assistance Sales Service 1 800 826 6342 1 800 TC OMEGA Customer Service 1 800 622 2378 1 800 622 BEST Engineering Service 1 800 872 9436 1 800 USA WHEN TELEX 996404 EASYLINK 62968934 CABLE OMEGA FAX 203 359 7700 FAX 514 856 68
2. LDN101 M 3338 02 99 Page 5 of 54 1 0 Introduction 1 1 Safety Summary Terms in this manual WARNING statements identify conditions or practices that could result in personal injury or loss of life CAUTION statements identify conditions or practices that could result in damage to the equipment or other property Symbols in this manual A This symbol indicates where applicable cautionary or other information is to be found WARNINGS Do not operate in an explosive atmosphere To avoid explosion do not operate this equipment in an explosive atmosphere NOTES This equipment contains no user serviceable parts This equipment must be returned to an Omega Dealer for all service and repair Low Voltage This equipment operates at below the SELV and is therefore outside the scope of the Low Voltage Directive 1 2 This Manual This manual covers the Orbit Network installation and provides information and guidance on using the Orbit software driver installation of software together with detailed descriptions of Module commands The information is principally for users of IBM PC systems who wish to develop applications programs for use with the Orbit Network Measurement System 1 3 PC System Requirements The Orbit Network and accompanying software have been designed for use on IBM PC XT AT and fully compatible systems with a A minimum of 640K user memory b DOS version 3 0 or higher c One free slot half card d
3. The cursor keys can now be used to select the Orbit Module address between 1 and 31 When the desired address has been sele lt N gt lt M gt lt RETURN gt lt S gt lt SPACE gt lt L gt lt D gt lt R gt lt TAB gt LDN101 M 3338 02 99 cted the Menu keys can be used to perform the following actions Activates the notify mode Any unaddressed Orbit Module will send back its ID when it is displaced by approximately 1 of its stroke The user can use this mode when manual entry of ID is not practical use the following sequence Press N to select notify mode 2 Press the Probe tip the PIE will send back its ID 4 Press the return key to accept the PIE ID Address allocation The address will then be automatically incremented and the procedure can then be repeated for the next unaddressed PIE Moves an addressed Orbit Module to another address The destination address is selected by pressing the lt RETURN gt key Press lt ESC gt or lt M gt to abort Allows the user to enter an ID at the selected address Saves the updated configuration to a data file ORBITxy DAT where x and y are the card and channel numbers respectively Toggles between the two menu displays Note that all menu keys are active even when not displayed Re loads the whole program Use this to look at a different Orbit Network Displays the readings for the addressed Orbit Modules It also shows the ID its software
4. 2 byte reading Notes 41 is in ASCII OOOAAAAA and 2 byte reading are in binary For multi byte parameters byte order is O LS 1 2 3 etc The Digital Probe has a calibrated stroke i e 1 2 5 or 10 mm and a 14 bit resolution over that calibrated stroke Each bit represents a distance which different for each stroke other probe types may have a fixed resolution per bit but no fixed stroke The probe position or module reading 0 to 16384 is returned by OrbitRead1 OrbitReaddiff1 and OrbitReadia commands but must be multiplied by a constant depending on module type to give a scaled result Eq 1 position _N_ x stroke 16384 Where N is the returned value rd etc The probe stroke can be obtained by using the Orbitldentify command Stroke 16384 is the resolution for a particular probe Refer to the PIE specification Example 2 mm probe returned reading rd 18FCh 6396 dec position 6396 x 2 0 7808 mm 16384 If there is a fault or condition where a reading is not possible an error code sequence is returned instead of the reading Refer to the Error Codes section for details When a Digital Probe is working within its calibrated range rd will return a reading in the range 0 to 16384 The probe has enough mechanical travel to move outside of the calibrated range if this happens the error code sequence for Under Range or Over Range is returned instead of a reading As soon as the probe is moved back withi
5. 6 4 17 OrbitReaddiff2 Command Return result of OrbitDifference command 32 bit signed long integer readings Module Type Linear Encoder Type addressed Parameters card channel address minimum maximum Returns minimum and maximum results from a Orbit Module that has been set in OrbitDifference mode and received a OrbitStopdiff or will return the latest result from a Orbit Module still taking readings in OrbitDifference mode OrbitReaddiff2 is a 32 bit version analogous to OrbitReaddiff1 which is 16 bit Only maximum and minimum readings are taken QuickBASIC Example CALL OrbitReaddiff2 card chnI oaddr maxLong amp minLong amp oaddr OOOAAAAA 4 byte reading minLong amp 4 byte reading maxLong amp Network To Module lt BREAK gt X OOOAAAAA From Module X 4 Byte min reading 4 byte max reading Notes X is in ASCII OOOAAAAA 4 byte min rdg and 4 byte max rdg are in binary For multi byte parameters byte order is O LS 1 2 3 etc If the OrbitDifference command has been stopped via OrbitStopdiff the Orbit Module will be set back to single reading mode on the first OrbitRead2 after a successful OrbitReaddiff2 command 6 4 18 OrbitPreset Command Presets a value into the Orbit Module 32 bit signed long integer value Module Type Linear Encoder Type addressed Parameters card channel address preset Preset is used where Orbit modules may be preset with a value i e
6. 7 OrbitGetstatus Sends an OrbitGetstatus command to the module at the given address Screen display after Orbit address has been entered called OrbitGetstatus card 1 chnl 1 oaddr 1 errcode 0h status 800h errorword 0h 8 OrbitDifference Sets the module at the given address into the OrbitDifference mode Screen display after Orbit address has been entered calling OrbitDifference card 1 chnl 1 oaddr 1 errorword Oh 9 OrbitStartdiff Starts difference logging in all modules set to OrbitDifference mode calling OrbitStartdiff card 1 chnl 1 errorword Oh 10 OrbitStopdiff Stops difference logging in all modules set to OrbitDifference mode calling OrbitStopdiff card 1 chnl 1 errorword Oh 11 OrbitReaddiff1 Continuously performs an OrbitReaddiff1 command from the module at the given address Note a If difference logging has not been stopped via OrbitStopdiff the displayed numbers will be live b Some Orbit module types will not respond to the OrbitReaddiff1 command Screen display after Orbit address has been entered called OrbitReaddiff1 card 1 chnl 1 oaddr 1 min 2299 max 2884 sum 2540651 num 984 errorword Oh Running Press Any Key To Return To Menu 12 OrbitAcquire Sets the Acquire mode parameters for the module at the given address Note Some Orbit module types will not respond to the OrbitAcquire command Screen display after Orbit address has b
7. NR New Value 1 new rdg available If the module is read using OrbitRead1 for example this flag is set to 0 and is only set to 1 when the next new reading is available Because the network reading rate can be much greater than the Orbit Module reading rate this bit can be checked to ensure that the same reading is not read twice RT No of readings taken OrbitAcquire mode NU Not used currently set to 0 CCC 000 Normal mode 001 OrbitDifference mode 010 OrbitAcquire mode 011 Sync mode 100 111 reserved If OrbitRst or OrbitClr is used all status bytes will be set to their default values This command also clears the Orbit Module hard error flag if set see Error Codes section for details LDN101 M 3338 02 99 Page 30 of 54 Linear Encoder 2 Byte Status format This command is the same as for Digital Probe except the 16 bit status word returned has a different meaning Byte 1 sent after byte 0 Byte 0 sent first goccosad gocoocad Default values sof pooonoo0n PPP PPh PT Flag meaning when set TR Orbit Module triggered after OrbitDifference command 1 triggered via OrbitStartdiff ST Orbit Module stopped after OrbitDifference command 1 stopped via OrbitStopdiff NR New Reading 1 new rdg available If the module is read using OrbitRead2 for example this flag is set to 0 and is only set to 1 when the next new reading is available Because the network reading rate can be much greater
8. 87 0mm Max T CON BASE PADS _ t rT Oer i i a 0 177 N E 4 5mm 7 D 6 w a of a Page 49 of 54 MOUNTING OPTION USING PLASTIC FEET M 3338 02 99 Mounting Pitch The T CON are best mounted pushed fully together for best connector mating Slotted holes are preferable as this will allow for manufacturing tolerance to be taken up when finally tightening the mounting screws THE USE OF SLOTTED HOLES ENABLES THE T CONS TO BE ALIGNED AS CLOSE AS POSSIBLE WHEN IN THIS POSITION THEY SHOULD BE LOCKED IN PLACE N 0 700 17 78mm Y m PITCH EF E gt E E gt 7 W gt E E D GZ W IL io z Z Oo W g pig EZE a e lt u ey enh 5 1 g amp E O O i T gt OD D OD DRILLING TEMPLATE TO MOUNT T CON A ALS 0 700 17 78mm PITCH T CON Dimensions to E 0414 Ae SE piim ADE i gt E a VIEW OF MALE SIDE gt D oO AL is t Cr Mm Ta trey i a 5O m F 00 2 3 1000 nE iOm 7402057m sE i oO foe 0168 3405 Ej E E 1 30 Q l S A Bom oE Ow l E DETALA FOOT NOT SHON Loam gAE51 Orientation LDN101 M 3338 02 99 Page 50 of 54 The T CON and PIE may be mounted in any position The recommended orientation is with the PIE vertical and uppermost This is the condition under which IP rating testing was carried out If the T CON and PIE are mounted horizont
9. F is in ASCII OOOAAAAA is in binary The maximum and minimum readings will start to be recorded as soon as the Orbit Module receives a OrbitStartdiff command Once the Orbit Module has received OrbitStartdiff it will only respond to OrbitRst OrbitClr Orbitldentify OrbitRead1 OrbitRead2 OrbitGetstatus OrbitReaddiff1 OrbitReaddiff2 and OrbitStopdiff depending on module type This command cannot be used if the Orbit Module is already in Acquire mode Orbit Modules set in this mode will start their first measurement cycle after the OrbitStartdiff command Allow time i e 12 ms for Digital Probe after the OrbitStartdiff before taking a reading from the module This time may be different for other Orbit Modules refer to module specifications 6 4 14 OrbitStartdiff Command Start recording difference readings Module Type Digital Probe Linear Encoder Type broadcast Parameters card channel Orbit Modules that have previously been set to OrbitDifference mode will start taking readings All Orbit Modules will start at the same time Useful for reading synchronization See OrbitStopdiff OrbitReaddiff1 or 2 Quick Basic example CALL OrbitStartdiff card chnl Network To Module lt BREAk gt O 00000000 From Module No response Notes O is in ASCII 00000000 is in binary Depending on module type the contents of the buffer can be read using OrbitReaddiff1 or 2 OrbitRead1 or 2 OrbitReaddiff c
10. Linear Encoder QuickBASIC Example CALL OrbitPreset card chnI oaddr pstLong amp oaddr OOOAAAAA pstLong amp 4 byte reading Network To Module lt BREAK gt P OOOAAAAA 4 byte Reading From Module P DOOAAAAA Notes P is in ASCII OOOAAAAA and 4 byte preset reading are in binary For multi byte parameters byte order is O LS 1 2 3 etc This command will set the Reference Read flag RR refer to OrbitGetstatus command to the default reading as the probe datum is affected If necessary the OrbitRefmark command should be used This preset could also be applied effectively using the application software in which case the datum would not be affected This command cannot be used when the module is set in certain modes such as OrbitDifference or OrbitRefmark The status flags can be interrogated to determine module mode There is a delay before this command is implemented and the result valid Linear Encoder has an internal update time of 1 ms LDN101 M 3338 02 99 Page 39 of 54 6 4 19 OrbitRefmark Command Activates reference marker mode Module Type Linear Encoder Type addressed Parameters card channel address This command sets the Orbit Module to waiting until the reference mark signal is received from the probe connected to it such as Linear Encoder The Module can be interrogated to see whether the reference mark has been found using the OrbitGetstatus command When found the read
11. Modules Mixed probe o capability o amp TT 4 mt Te 4 f s A B Channel 1 K 1 ece y Ue i 7 ae Mii Channel 2 Simple installation Up to 31 Modules Orbit Network Card using T CON per Channel network wmf Up to 4 cards per PC 3 3 1 PC s 5V Power Supply Capacity All PC s have a nominal 5 0 Volt regulated DC supply which is available to the Orbit Network This supply must have sufficient capacity to power the number of Orbit Modules required for the system Although most PC s will have enough power supply capacity it is worth checking the total system power requirement before switching the PC on Note that a Orbit Network with 62 Orbit Modules connected will require about 4 Amps typically 60 mA per Orbit Module plus 200 mA for the Orbit Network card For power requirements of individual Orbit components refer to sections relating to those modules LDN101 M 3338 02 99 Page 13 of 54 3 3 2 Orbit Network Voltage Drop All Orbit Modules are designed to work from a supply voltage of 4 75 to 5 25 V d c and care must be taken to ensure that all modules especially those furthest from the power supply have the right working voltage applied When being used with a PC power supply it is unlikely that the upper voltage limit will be exceeded but the possibility of Orbit Module voltages dropping below the lower voltage limit can exist Factors that will contribute to a drop in voltage are connecting cable length and
12. Running Press Any Key To Return To Menu 16 OrbitPreset Sets the Preset value for the module at the given address Note Some Orbit module types will not respond to the OrbitPreset command Screen display after Orbit address has been entered Enter Preset x 0 05 um 1000 called OrbitPreset card 1 chnl 1 oaddr 1 pst 1000 errorword 0h LDN101 M 3338 02 99 Page 45 of 54 17 OrbitRefmark Demonstrates the use of the OrbitRefmark command sample output is for a Linear Encoder Note Some Orbit module types will not respond to the OrbitRefmark command Screen display after Orbit address has been entered Example of Reference mode operation Recall 1 New 2 Enter Choice 1 or 2 2 Note 1 Reference mod New set machine probe datum then press any key lt Note 2 RdgAtDatum 200 lt Note 3 Move Probe tip through Ref Marker RdgAtRefmark 84961 could be saved in a file to make non volatile Note 4 called OrbitRead2 card 1 chnl 1 oaddr 1 compensated rdlong 0 lt Note 5 Running Press Any Key To Return To Menu Notes Always select New for first run Move tip to datum point This point will be set to zero rdlong from module at datum zero point Difference in reading from datum point to ref mark posn 84961 200 84761 Compensated rdlong rdlong from OrbitRead2 200 0 oaoRWN If the probe is powered off and on the LE module re initializes at a different position fr
13. Sufficient 5V power available from the PC to operate the Orbit Network s and Orbit module s 1 4 Carton Contents The Orbit Network Card is supplied in a carton with the following accompanying items a Cable 6 5 feet 2 metre long 9 Pin D Type plug to socket b 9 Pin D Type Terminator plug c A 31 disk carrying the Driver and installation software d This operating manual 1 5 Glossary Orbit Module Generic description for any module that can attach to the Orbit Network This may have built in intelligence or be a simple interface Probe Interface Electronics An Orbit Module that contains Electronic circuit to interface between PIE a particular type of Probe or Transducer and the Orbit network i e Digital Probe PIE and Linear Encoder PIE Interface Module IM An Orbit Module used to interface in a non probe application such as power supplies PSIM and RS232 RS232IM LDN101 M 3338 02 99 Page 6 of 54 2 0 INSTALLING THE ORBIT NETWORK CARD 2 1 Introduction This chapter describes the preparation and installation of the Orbit Network card in an IBM PC XT AT or fully compatible system 2 2 Precautions Before handling the Orbit Network card read the following warning information 2 2 1 Static Electricity the risk of damage to the card keep it in its conductive plastic packaging until it is required When fitting the card handle it by its free edges and do not touch the card edge connector The Orbit Network c
14. a For Linear Encoder the default state at power on is count increases for inward stroke b Some Orbit module types will not respond to the OrbitDirection command Screen display after Orbit address has been entered called OrbitDirection card 1 chnl 1 oaddr 1 errorword 0h 20 OrbitGetinfo Sends an OrbitGetinfo command to the module at the given address Screen display after Orbit address has been entered called OrbitGetinfo card 1 chnl 1 oaddr 1 moduletype LE hwtype 1 reso 5 moduleinfo errorword 0h LDN101 M 3338 02 99 Page 47 of 54 8 0 Installation of PIE and T CON Probe Interface Electronics PIE and other Orbit Modules are primarily designed to be mounted using the T CON a building block style of system construction This allows for easy connection as the various system components which allows individual Orbit modules to be simply plugged in or removed without having to disturb other parts of the system When the T CON has been mounted the PIE simply plugs into place and is locked into position using the slide locking bar Up to 31 Modules Mixed probe capability a C mn eS A Fum hy Channel 1 Channel 2 L tdi Simple installation Up to 31 Modules e Orbit Network Card using T CON per Channel Up to 4 cards per PC network wm Mounting Methods There a
15. byte order is O LS 1 2 3 etc On receiving the OrbitReadia command the Orbit Module will transmit the 25 reading buffer to the network The first reading transmitted will be the first one taken after the Orbit Module received the OrbitTrigger command Any readings that have not been logged yet will be transmitted as zero s If the OrbitAcquire command has been stopped the Orbit Module will be set back to single reading mode on the first OrbitRead1 after a successful OrbitReadia command Note Reading errors are signified by the most significant bit being set hence over and under range readings are saved as FFFFh and 8000h respectively LDN101 M 3338 02 99 Page 36 of 54 6 4 13 OrbitDifference Command Set Orbit Module to difference mode Module Type Digital Probe Linear Encoder Type addressed Parameters card channel address Readings are taken continuously once started via OrbitStartdiff The following is stored depending on module type 1 Maximum reading 2 bytes 2 Minimum reading 2 bytes 3 optional Sum of all readings 5 bytes gt 4 6 hours of readings 4 optional Number of readings taken 3 bytes 16 7 million readings Numbers 3 and 4 allow the calculation of the average reading See OrbitStopdiff OrbitReaddiff1 and 2 Quick Basic example CALL OrbitDifference card chnl oaddr oaddr OOOAAAAA Network To Module lt BREAk gt F OOOAAAAA From Module F OOOAAAAA Notes
16. expansion unit The procedure is the same in both cases 2 4 1 Refer to the user manual of the computer being used for instructions on removing the outer casing or access panels Be sure to follow any special instruction that may apply to installation of cards in the computer being used 2 4 2 Remove the screw holding the expansion slot cover in place and slide out the expansion slot cover Save this screw for fitting the Orbit Network card later Card support brackets that provide additional security for long option cards are available from IBM sources These may already be fitted If required fit these now to the front panel of the PC chassis by pushing into the holes provided gt L Rear Panel Expansion 3 on L Slot 2 x Connectars ef Hi F SA i sA his l A fr ys o yf SPRL A bo LORAZ LDN101 M 3338 02 99 Page 9 of 54 2 4 3 Remove the Orbit Network card from its conductive packaging Handle the card by its edges only Set switches to appropriate address 2 4 4 Holding the Orbit Network card by its corners press it firmly into the expansion slot Ze ys HMI Ze ies Pa 2 4 5 Align the U shaped slot in the card retaining bracket with the hole in the rear of the unit When fitted the screw should be snug against the inside of the U Fit and tighten the screw 2 4 6 Refit the cabinet cover and retaining screws according to the computer manufactu
17. or written OMEGA warrants only that the parts manufactured by it will be as specified and free of defects OMEGA MAKES NO OTHER WARRANTIES OR REPRESENTATIONS OF ANY KIND WHATSOEVER EXPRESS OR IMPLIED EXCEPT THAT OF TITLE AND ALL IMPLIED WARRANTIES INCLUDING ANY WARRANTY OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE HEREBY DISCLAIMED LIMITATION OF LIABILITY The remedies of purchaser set forth herein are exclusive and the total liability of OMEGA with respect to this order whether based on contract warranty negligence indemnification strict liability or otherwise shall not exceed the purchase price of the component upon which liability is based In no event shall OMEGA be liable for consequential incidental or special damages CONDITIONS Equipment sold by OMEGA is not intended to be used nor shall it be used 1 as a Basic Component under 10 CFR 21 NRC used in or with any nuclear installation or activity or 2 in medical applications or used on humans Should any Product s be used in or with any nuclear installation or activity medical application used on humans or misused in any way OMEGA assumes no responsibility as set forth in our basic WARRANTY DISCLAIMER language and additionally purchaser will indemnify OMEGA and hold OMEGA harmless from any liability or damage whatsoever arising out of the use of the Product s in such a manner Ds RETURN REQUESTS INQUIRIES MEE Direct all warranty and repair re
18. parameter error may be reported The lower byte shows all error codes or ed together e g 1006h is bad_card and bad_chnl Depending on the type of error the code may be for a single error type or for a combination or ed Allocation of error codes means that or ed codes cannot be interpreted as individual codes LDN101 M 3338 02 99 Page 17 of 54 5 0 USING THE UTILITY PROGRAMS Two utility programs are provided ORBSET EXE and ORBINST EXE these programs offer an easy way to set up or initialize and interrogate networks of Orbit modules and can be used to verify the correct operation of the Orbit Measurement System ORBSET EXE is a simple text based DOS program that enables each module on a network to be identified and assigned an address ID Readings from modules can then be displayed This program can save an ASCII file ORBITxy DAT that can be used by other programs to initialize a network of Orbit modules ORBINST EXE is a program that uses ORBITxy DAT either created by ORBSET EXE or entered directly as a text file to initialize an ORBIT network 5 1 ORBSET EXE This program can initialize an Orbit module by reading the module identity and assigning it an address ID The program can then display readings from up to 31 modules It is also able to create and modify ORBITxy DAT files refer to ORBINST EXE section for further details on ORBITxy DAT files To run the ORBSET EXE program type ORBSET lt return gt you will then
19. resistance If any doubt exists a digital voltmeter should be used to check the voltage at the last Orbit Module in the Orbit Network This can be done by removing the terminator plug and measuring the voltage between pins 6 and 9 on the socket as shown below If the voltage is below 4 75 V dc the configuration must be re arranged to reduce the voltage drop 1 No connection up to 31 Orbit 2 RS485 A Modules per 3 RS485 B channel 4 0V 5 0V 6 5V 7 5V 8 5V 9 0V 5 1 eeece eoeeece Coy CoCo ot 3 6 Orbit Network Card Installed in PC Must be within 4 75 V dc and 5 25 V dc LDN101 M 3338 02 99 Page 14 of 54 4 0 THE ORBIT NETWORK CARD DRIVER 4 1 Making Backup Copies Before using the software provided make a backup copy of the Software Support disk supplied The copy should be stored in a safe place and used only to restore the original if it gets damaged All the files on the disk are listed in the file CONTENTS LST 4 2 Driver Types There are two ways an application program can be interfaced with the Network Card via a resident driver which is loaded into the PC s memory or via an object module which is linked with each application program See diagrams below The first method in which the link to the driver is through the small section of code called ODVRIFxx OBJ is m
20. see the following screen Input Orbit Network Card Base Address in hex Q to quit 100 mmp ticardiNumper il te 4 oie lt S wo Guile 2 Input channel number 1 or 2 1 Pressi il S aiken il Iii lt lt Il S Were aes Cie lt 0 S Oo Cililie Pill Underscored values are defaults and will be selected if lt return gt is pressed without entering a new value If a ORBITxy DAT file exists for the card and channel selected the following will appear Data file for Card x channel y exists load L or Create new file N lt Esc gt to quit New file N _ the default will display a blank table ready for module ID s and comments to be entered Load L will load the address ID and Comment data from the ORBITxy DAT file into the program and display it on the screen Any errors in the ORBITxy DAT file will be displayed prior to the load being terminated The following screen examples demonstrate show this LDN101 M 3338 02 99 Page 18 of 54 Create new file N will display the screen IIS OVS weiLal Dyas erecl iL Channel 1 Addr ID Comments Addr ID Comments One L7 s 02 Lee Ose IEOR 04 2x0 2 05s Pale 06 22E O07 230 08 24 09 29 WOR 26 iLike 2 8 IPE 28E L3 2195 IAE SO g TSS Sil Tes Address 1 UNASSIGNED LOAD DISPLAY RESET NETWORK lt TAB gt ADD COMMENT CLEAR ADDRESS lt SPACE gt NEXT MENU
21. version and the transducer stroke See Screen display below Resets the whole Orbit Network All IDs and comments are deleted Allows a comment to be added to any address Page 19 of 54 lt C gt Allows the user to de allocate an ID at the selected address The Orbit Module can then be allocated to any free address lt SPACE gt toggles between the two menu displays Note that all menu keys are active even when not displayed lt Q gt Quit the program the option of saving the data as a ORBITxy DAT file is given before terminating Sancta Load L loads an existing ORBITxy DAT file and will display the identities of each module Selecting D Display will display the screen below FILE ORBITxy DAT Card x Channel y READING IDENTITY VER MODULE READING IDENTITY VER MODULE 01 0 9896 MODULEyz01 Vxx DP5 IES 02 18 03 UNDER MODULEyz02 Vxx DP2 IOE 04 0 3421 MODULEyZz03 Vxx LE12 20 OSs Dall 06 22 Opa 23 08 24 09 25 LOs 26 Lis Qu As 28 ge 29 Tkg 30 15s pui Ge Displaying lt Esc gt To Exit QUIT NOTIFY ID MOVE lt RET gt ENTER ID SAVE lt F1 gt HELP N e lt SPACE gt NEXT MENU 5 2 ORBINST EXE This program can be used in conjunction with ORBITxy DAT files to initialize networks of Orbit Modules The DAT files are an easy way to recall a network configuration 5 2 1 ORBI
22. 1 was not a valid ack byte or No Language 007Fh Language interface not loaded check ORBITDVR SYS Parity error OOFEh The Orbit Network Card received a character with a parity error Timeout OOFFh The duration between the last transmitted command byte from the Orbit Network and the last received reply byte is greater than 65 us Applications Program Parameter Errors upper byte 10h Variables shown are as used in Quick Basic example programs Error Errorword Description bad_base 1001h Base address BASEADDR out of range bad_card 1002h Card number CARD not between 1 and 4 bad_chnl 1004h Channel number CHNL not between 1 and 2 bad_oaddr 1008h Orbit Module address OADDR not between 1 and 31 bad_lIgth_1 1010h First string in parameter list is wrong length bad_Igth_2 1020h Second string in parameter list is wrong length bad_Igth_3 1040h Third string in parameter list is wrong length addr_alloc 1080h Address OADDR already allocated call to OrbitSetaddr Example Orbitldentify command parameters are card channel address identity devtype version stroke where identity devtype version are strings the rest are numbers bad_Igth_1 errorword 1010h would be returned if identity was the wrong length bad_Igth_2 errorword 1020h would be returned if devtype was the wrong length bad_Igth_3 errorword 1040h would be returned if version was the wrong length Note that more than one
23. 22 of 54 6 0 ORBIT NETWORK COMMANDS 6 1 Introduction The Orbit Network Measurement System uses a differential 2 wire RS485 interface to connect between the various types of Orbit Network PIE and Interface Module Each Orbit Module is capable of operating at 9600 Baud or 187 5K Baud speed setting is by means of the OrbitRst command The character format used consists of 1 start bit 8 data bits 1 parity bit and 1 stop bit odd parity Orbit modules are programmed with a unique 10 digit identity during manufacture The 10 digit identity is not very efficient for high speed communications so each module is given a temporary address during the initialization All subsequent commands make use of this temporary address When power is removed from an Orbit network the temporary addresses are lost and must be re initialized when power is re applied Because the data to and from each Orbit Module travels along a 2 wire link some form of protocol is required to stop all the Orbit Modules from talking at once The protocol used has two basic command types Addressed and Broadcast ADDRESSED Commands Only the Module being addressed will respond to an addressed command The Orbit Module responds with an acknowledgement followed by some information all other Orbit Modules on the Orbit Network will ignore the command and continue operating in their present mode BROADCAST Commands All Modules on the Orbit Network will react to a broadcas
24. 86 FAX 95 203 359 7807 e mail espanol omega com Tel 95 800 826 6342 En Espan ol 95 203 359 7803 Servicing Europe Postbus 8034 1180 LA Amstelveen The Netherlands Tel 31 20 6418405 FAX 31 20 6434643 Toll Free in Benelux 0800 0993344 e mail n omega com ul Rude armady 1868 733 01 Karvina Hranice Tel 420 69 6311899 FAX 420 69 6311114 Toll Free 0800 1 66342 e mail czech omega com 9 rue Denis Papin 78190 Trappes Tel 33 130 621 400 Toll Free in France 0800 4 06342 e mail france omega com Daimlerstrasse 26 D 75392 Deckenpfronn Germany Tel 49 07056 3017 FAX 49 07056 8540 Toll Free in Germany 0130 11 21 66 e mail info omega de One Omega Drive River Bend Technology Centre Northbank Irlam Manchester M44 5EX England Tel 44 161 777 6611 FAX 44 161 777 6622 Toll Free in the United Kingdom 0800 488 488 e mail info omega co uk FAX 33 130 699 120 LDN101 It is the policy of OMEGA to comply with all worldwide safety and EMC EMI regulations that apply OMEGA is constantly pursuing certification of its products to the European New Approach Directives OMEGA will add the CE mark to every appropriate device upon certification The information contained in this document is believed to be correct but OMEGA Engineering Inc accepts no liability for any errors it contains and reserves the right to alter specifications without notice WARNING These products are n
25. Digital Probe Linear Encoder Type addressed Parameters card channel address identity option Each Orbit Module is given a unique 10 byte identity ID during manufacturing When used on a network it is more efficient to use a shorter temporary ADDRESS stored in the Orbit Module memory this is a number between 1 and 31 This command is used to set the temporary address OrbitNotify Send ID if displacement gt 1 Module Type Digital Probe Linear Encoder Type broadcast Parameters card channel identity This is a method for obtaining the Orbit Module ID During initial network setup re configuring or when using unknown Orbit Modules In this mode any unaddressed Orbit Module will return its ID if the measurement parameter is altered from its initial state after OrbitRst or OrbitCIr commands Orbitldentify Identify addressed Orbit Module Module Type Digital Probe Linear Encoder Type addressed Parameters card channel address identity devtype version stroke Returns the Orbit Module ID type LE12 DP2 etc software version and calibrated stroke Additional information may be returned by using the OrbitGetinfo command OrbitGetinfo Command Returns information on the Module Probe Module Type Linear Encoder Digital Probe Type addressed Parameters card channel address module type hardware type resolution module info Will return information about the type of module and or probe Addit
26. Digital Probe Linear Encoder Type broadcast Parameters card channel Has the same affect as OrbitClr but will reset ALL the Orbit Modules on a network at the same time To set the Orbit Modules to the required Baud rate this command MUST be sent after the network is powered up and before any other command Allow at least 0 5 second for completion of the command OrbitAcquire Set Orbit Module to acquire mode Module Type Digital Probe Type addressed Parameters card channel address readings delay Set the Orbit Module to record 1 to 25 readings with a specific time delay 0 1s to 819 1s between readings OrbitTrigger command is required to start taking of readings The stored readings are read using the OrbitReadia command Orbit Module reading synchronization is also possible using this command OrbitTrigger Trigger all Orbit Modules set to OrbitAcquire mode Module Type Digital Probe Type broadcast Parameters card channel Trigger all Orbit Modules that have previously been set by an OrbitAcquire command The first reading will be taken immediately OrbitReadia Return integer array Module Type Digital Probe Type addressed Parameters card channel address reading Allows information stored during OrbitAcquire to be read Stored Readings can be read at any time during the OrbitAcquire period Readings are stored until read or cleared OrbitDifference Set Orbit Module to difference mode Module T
27. M386 EXE NOEMS devicehigh C ORBITDVR SYS QB QC QP CA100 See your DOS manual for details on memory manager usage 4 4 Linkable Network Card Driver With this technique the applications program is linked with an object module that contains the Network Card Interface code appropriate to the language being used These interface modules ONCIFB OBJ ONCIFC OB4J etc are linked to the application via the LINK command line Quick Libraries or MAK files etc to give access to the Orbit Network LDN101 M 3338 02 99 Page 16 of 54 4 5 Driver Error Codes The Driver can detect two forms of error General and Parameter In both cases the error code is passed to the applications program via the errorword for correct operation errorword must be visible to all sections of the applications program that call the driver An example can be seen in the Example Application Programs chapter Error codes can be produced by Orbit Modules and passed to the application program via the Orbit Network Refer to the Orbit Network Commands section for details General Errors upper byte 00h Error Errorword Description No Driver 0001h A call to ODVRIFx has been made when the Driver is not loaded in the PC s memory or incorrect driver version Card Timeout 0002h PC interface error Contact Omega I F Write TO 0003h PC interface error Contact Omega I F Read TO 0004h PC interface error Contact Omega Bad Reply 0006h Orbit Module reply byte
28. OrbitAcquire 13 OrbitTrigger 4 OrbitOrbitReadia 15 OrbitRead2 16 OrbitPreset 17 OrbitRefmark 18 OrbitReaddiff2 19 OrbitDirection 20 OrbitGetinfo Enter Choice O QUIT _ By selecting the appropriate choice the user can send any Orbit command to a module or modules on the Orbit network The menu of choices will appear after the completion of each command ready for another selection For more details on each Orbit command refer to the Orbit Network Commands Section Details of each of the choices is shown below in all cases the card and channel refers to those already selected in b and c Responses to commands are examples only and will vary depending on module type set up and the command used 1 OrbitRst Reset all the Orbit Modules on the card and channel specified calling OrbitRst card 1 chnl 1 errorword 0h LDN101 M 3338 02 99 Page 42 of 54 2 OrbitNotify The network is continuously sent the OrbitNotify command any module that has its measurement parameter altered from its initial state i e press probe tip will send back its ID called OrbitNotify card 1 chnl 1 id xxxxxxxxxx errorword FFh Running Press Probe Tip or Any Key To Return To Menu After tip of probe M892780 36 has been pressed for example called OrbitNotify card 1 chnl 1 id M892780 36 errorword 0h Running Press Probe Tip or Any Key To Return To Menu 3 OrbitSetaddr This command is used to set the address of th
29. OrbitDifference 7 Ss OrbitStartaif 7o o oo o 7o OrbtStopt 7 o 7o OrbtReaddi v oOo OrbtReaddi o 7o o OrbtPreset o o o SSS OrbiRefmmak 7o OrbitDirecton v 4 NOTE If a module receives a command it does not use or recognize see table above the module will not respond and a network timeout will occur SAA ii NNN AS Refer to the command detail sections as there may be additional information on commands error codes or special requirements for a particular module type not currently implemented LDN101 M 3338 02 99 Page 26 of 54 6 4 Orbit Command Detail Descriptions This section gives details of all of the Orbit Module commands Included in the description is network information on the sequence of bytes sent to and received from the Orbit Module Characters marked mean that the ASCII representation of the character is transmitted received Data shown as 00110111 is the binary representation of the byte Quick Basic is used for command examples the following notations are used num is a single precision number num is a double precision number num is a 16 bit signed integer numLong amp is a 32 bit signed long integer text is a string Not all Orbit modules respond to all Orbit commands If a call is made using a command the module does not support the module will not respond and the network will timeout The probe position or module reading is returned by OrbitRead1 OrbitRead2 OrbitRea
30. QB is the Quick Basic language interface QC is the C Quick C language interface QP is the Quick Turbo Pascal language interface ICA XXX is the required card base address for the Orbit Network s see note below for details Example DEVICE C ORBIT ORBITDVR SYS QB CA 100 This is for the driver installed in the C drive in a directory ORBIT language interface for Quick Basic and card at base address 100h Since each language interface uses an additional 3K of memory it is advisable to include only the language interface s required Note that at least one language interface QB QC or QP must be selected If the CA switch is omitted the card base address will be assumed to be set to 100h See Installing The Orbit Network Card chapter for a list of valid base addresses After the CONFIG SYS file has been modified the PC should be re booted via the lt ctrl gt lt alt gt lt del gt keys or a power down The PC will then restart with the Orbit Network Driver loaded into memory The PC should then display a screen similar to ORBITDVR Orbit Network Card Driver Vx xx loading ORBITDVR at CS ddddh loading QB at IP bbbbh loading QC at P ccecch loading QP at IP pppph card s Base Address 0100h Driver Ends At Offset 3025h To conserve conventional memory the Driver can be loaded into high memory by means of a suitable memory manager as in example below device C DOS HIMEM SYS device C DOS EM
31. Txy DAT files The ORBITxy DAT file is an ASCII file which holds the set up information for each of the 8 possible networks 4 cards 2 channels Each Orbit Network has its own DAT file which holds the Address Identity map and any comments for the Orbit Modules on the Orbit Network The ORBITxy DAT file name is always ORBITxy DAT where x is the card number and y is the channel hence the file for card 3 channel 2 would be called Orbit32 dat LDN101 M 3338 02 99 Page 20 of 54 The structure of the file is as shown below This is an example of a ORBITxy DAT file It holds the set up data for a complete network of Orbit Modules Header comment lines must start with a there can be as many comment lines as required as long as they are not placed between Address Identity lines a address i identity 10 characters c comment up to 20 characters maximum 01 IDENTITY0O1 comment for address1 02 03 04 05 06 07 08 09 10 11 12 13 IDENTITY02 comment for addr 13 14 15 16 17 18 19 20 21 22 23 24 IDENTITY03 comment for addr 24 25 26 27 28 29 30 31 5 2 2 Running ORBINST EXE To run the ORBINST EXE program type ORBINST CA100 lt return gt The program will then search the current directory for ORBITxy DAT files Before the appropriate Orbit Network is initialized the ORBITxy DAT file is checked for syntax errors Note that syntax errors can only occur if the ORBITxy DAT
32. ally it is recommended that the orientation notch in the locking bar is facing down see drawing This will prevent any vibration from putting the locking bar into the unlocked position y Ne ORIENTATION NOTCH VERTICAL MOUNTING PREFERRED HORIZONTAL MOUNTING PREFERRED THIS WAY Mounting Clearances If the T CON is to be mounted near a wall or other obstruction ensure there is sufficient space for the locking bar to operate Also consider that hand access may be required for removal of PIE during servicing 0 181 4 6mm aa _ A LARGER CLEARANCE MAY MINIMUM CLEARANCE BE NEEDED IF THE PROBE INTERFACE ELECTRONICS m NEED TO BE HANDLED BQ Ri i WML WE SIDE WALL os SIDE WALL N 7 LDN101 M 3338 02 99 Page 51 of 54 Additional Mounting Ideas The recessed slots in the T CON allow for the use of continuous mounting strip such as miniature DIN rail or a joggled metal strip Removing the paint from the bottom inside of the slot will ensure a good electrical contact a few stokes with a small file should suffice MINIATURE g W TOPH JOGGLE STRIP 7 OP HAT RAIL a MOUNTING USING A MINIATURE TOP HAT RAIL OR A MADE TO FIT JOGGLE STRIP LDN101 M 3338 02 99 Page 52 of 54 Se ea WARRANTY DISCLAIMER E OMEGA ENGINEERING INC warrants this unit to be free of defects in materials and workmanship for a period of 13 months from date
33. ard contains components that can be damaged by static electricity To reduce 2 2 2 High Voltages Before opening the cabinet of the computer switch the power off and disconnect the supply lead A from the mains power supply Do not operate the unit with the cover removed 2 2 3 This equipment contains no user serviceable parts This equipment contains no user serviceable parts except for the card number and base selection switch This equipment must be returned to a Omega Dealer for all service and repair 2 3 Card Preparation 2 3 1 Card Number and Base address Switch Before fitting the Orbit Network card in the host computer the card number and base address have to be set These are set by means of the 8 way DIL dual in line switch on the card see below lt ON ON E 5 OFF N E O mi gt E DO Mm N E o W cardswit wmf LDN101 M 3338 02 99 Page 7 of 54 2 3 2 Base Address Selection The base address can be set to any even address in the range 100 Hex to 11E Hex and 300 Hex to 31E Hex The only restrictions on the choice of address are those due to conflicting port usage within the PC The following table shows some of the I O channel port assignments originally defined by IBM 0 CHANNEL PORT ASSIGNMENTS Port values Hex Function 1F0O 1F8 Fixed Disk 200 20F Game control 210 217 Expansion unit 220 24F Reserved 278 27F Reserved 2F0 2F7 Rese
34. ddiff1 OrbitReaddiff2 and OrbitReadia commands must be interpreted in different ways depending on the module type For probes with a calibrated stroke such as Digital Probe the position is given by Eq 1 For probes that have incremental outputs such as Linear Encoder the position is given by Eq 2 Eq 1 position _N_ x stroke Eq 2 position N x resolution 16384 Where N is the returned value rd etc The probe stroke can be obtained by using the Orbitldentify command and probe resolution can be given by the OrbitGetinfo command 6 4 1 OrbitSetaddr Command Set Orbit Module address Module Type Digital Probe Linear Encoder Type addressed Parameters card channel address identity option Each Orbit Module is given a unique 10 byte identity ID during manufacturing When used on a network it is more efficient to use a shorter temporary ADDRESS stored in the Orbit Module memory this is a number between 1 and 31 This command is used to set the temporary address Quick Basic example CALL OrbitSetaddr card chnl oaddr id opt oaddr OOOAAAAA id ID reso resolution Network To Module lt BREAK gt S OOOAAAAA 10 byte ID 1 byte option From Module S O00aaaaa where aaaaa is the previous address allocated to this ID Notes S and 10 byte ID are in ASCII OOOAAAAA and 1 byte option are in binary This command will set the Orbit Module with the identity ID to respond to the ad
35. ditional error codes in Driver Error Codes section General Errors Errorstring 21h 01h 21h 04h 21h 05h 21h 06h 21h 09h 21h 0Ah 21h 12h 21h 13h 21h C4h Difference mode errors Errorstring 21h 21h 21h 22h 21h 23h 21h 24h 21h 25h 21h 26h Acquire mode errors Errorstring 21h 31h 21h 32h 21h 33h 21h 34h 21h 35h 21h 36h 21h 37h Hardware errors Errorstring 21h 02h 21h 07h 21h 08h 21h 11h 21h 14h 21h C5h 21h 81h to 21h 8Bh 21h BOh to 21h C3h LDN101 Description Orbit Module receive parity error Broadcast address not allowed Broadcast address 00 expected Address change not allowed acq diff set Missed reading Reading holdoff Orbit Module has not updated reading yet Underrange Overrange Overspeed LE only Description Not set to difference mode Waiting for OrbitStartdiff command Difference mode not allowed Orbit Module in acquire mode Num of readings overflow gt 3 bytes Sum of readings overflow gt 5 bytes Difference mode already set or running Description Not set to acquire mode Waiting for OrbitTrigger command Acquire mode not allowed Orbit Module in difference mode Sync mode not allowed rdgs parameter out of range dly parameter out of range Acquire mode already set or running Description Coil value out of range Omega use only contact dealer Omega use only contact dealer Count to cal point gt 16 bit Multiply overf
36. dress minimum maximum Returns results from a Orbit Module that has been set in OrbitDifference mode and received a OrbitStopdiff or will return the latest result from a Orbit Module still taking readings in OrbitDifference mode OrbitPreset Presets a reading into the Orbit Module 32 bit signed long integer value Module Type Linear Encoder Type addressed Parameters card channel address preset Preset is used where Orbit modules may be preset with a value i e Linear Encoder OrbitRefmark Activates reference marker mode Module Type Linear Encoder Type addressed Parameters card channel address Probe i e Linear Encoder is set waiting until the reference marker is found Can be interrogated using OrbitGetstatus or set back to normal mode using and OrbitRead2 OrbitDirection Changes direction of reading count Module Type Linear Encoder Type addressed Parameters card channel address This command will toggle the readings form an Orbit module to change direction In the case of a Linear Encoder the count from the probe would change from counting in the positive direction to the negative direction 6 3 Command Application Table ____ _ Probe Module Type oean ae OrbitNotiy 7 7o Orbtdeniy 7 o 7o OrbtGetino v 7 d OrbtRea O S SSS OrbtRead2 O o O Ooo O o SSS Obter 7 o SSS rOmitRst o SSS rOrbitAcquire __v_ SSsS Orbittrigger __ SS FOrbitReadia__ __v SS
37. dress OOOAAAAA The option byte is at present not implemented and should be set to 0 The ID used by OrbitSetaddr could be obtained from a previously stored data file keyboard entry or from the OrbitNotify command Note A gap of at least 50 uS must be allowed between each byte of the 10 byte ID string When using the Orbit Network card this gap is automatically inserted between bytes LDN101 M 3338 02 99 Page 27 of 54 6 4 2 OrbitNotify Command Send ID if displaced from an initial position Module Type Digital Probe Linear Encoder Type broadcast Parameters card channel identity This is a method for obtaining the Orbit Module ID During initial network setup re configuring or when using unknown Orbit Modules In this mode any unaddressed Orbit Module will return its ID if the measurement parameter is altered from its initial state after OrbitRst or OrbitCIr commands Quick Basic example CALL OrbitNotify card chn ID ID ID when Displacement gt 1 Network To Module lt BREAK gt N 00000000 From Module N 10 byte ID when disp gt 1 Notes N and 10 byte ID are in ASCII 00000000 is in binary This command is not an alternative to OrbitSetaddr it is only a method for obtaining a module ID OrbitSetaddr must still be used to set the temporary network address This command will cause the Module to send its ID only when the displacement gt 1 of the calibrated stroke for Digital Probe
38. e module with the specified ID note that once a module has had its address set it will not respond to the OrbitNotify command The sample output is slightly different if the ID has been obtained via the OrbitNotify command ID manual entry Orbit addr 1 31 1 id 10 characters M892780 36 calling OrbitSetaddr card 1 chnl 1 oaddr 1 id M892780 36 opt 0 errorword 0h ID entry via OrbitNotify command ID will appear as soon as addr is entered Orbit addr 1 31 1 ids from Notify M892780 36 calling OrbitSetaddr card 1 chnl 1 oaddr 1 id M892780 36 opt 0 errorword 0h 4 OrbitCir Clears the module at the given address Orbit addr 1 31 41 called OrbitClr card 1 chnl 1 oaddr 1 errorword 0h 5 OrbitRead1 Continuously performs an OrbitRead1 command from the module at the given address Note a Some Orbit module types will not respond to the OrbitRead1 command b rd is a live reading and will change as the probe tip is moved Screen display after Orbit address has been entered called OrbitRead1 card 1 chnl 1 oaddr 1 rd 2687 errorword 0h Running Press Any Key To Return To Menu 6 Orbitldentify Sends an Orbitldentify command to the module at the given address Screen display after Orbit address has been entered called OrbitIdentify card 1 chnl 1 oaddr 1 id M892780 36 devtype 970100 DP2 ver v3 0 stroke 2 errorword 0h LDN101 M 3338 02 99 Page 43 of 54
39. een entered Enter dly 10 Enter rdgs 15 called OrbitAcquire card 1 chnl 1 oaddr 1 rdgs 15 dly 10 errorword 0h LDN101 M 3338 02 99 Page 44 of 54 13 OrbitTrigger Starts Acquire mode logging in all modules set to OrbitAcquire mode Note Some Orbit module types will not respond to the OrbitTrigger command calling OrbitTrigger card 1 chnl 1 errorword Oh 14 OrbitReadia Continuously performs an OrbitReadia command from the module at the given address Note a Each new reading will displayed as soon as it is acquired b Some Orbit module types will not respond to the OrbitReadia command c For Digital probe underrange and over range are displayed as 32768 and 1 respectively Screen display after Orbit address has been entered called OrbitReadia card chnlS oaddr s cdarray rdg 1 6232 rdg 6 6232 rdg 11 6233 rdg 16 0 rdg 21 0 rdg 2 6233 rdg 7 6233 rdg 12 6233 rdg 17 0 rdg 22 0 rdg 3 6233 rdg 8 6233 rdg 13 6233 rdg 18 0 rdg 23 0 rdg 4 6233 rdg 9 6233 rdg 14 6233 rdg 19 0 rdg 24 0 rdg 5 6233 rdg 10 6233 rdg 15 6233 rdg 20 0 rdg 25 0 errorword Oh Running Press Any Key To Return To Menu 15 OrbitRead2 Continuously performs an OrbitRead2 command from the module at the given address Note Some Orbit module types will not respond to the OrbitRead2 command Screen display after Orbit address has been entered called OrbitRead2 card 1 chnl 1 oaddr 1 rdlong 159182 errorword 0h
40. file has been created or edited outside of the ORBSET environment If any Orbit Module identities referred to in the ORBITxy DAT file cannot be found during the initialization of the Orbit Network the error will be reported to the screen Note CA100 is the default network card base address and will be used if no extension is used For more information on base addresses refer to the section on Installing The Orbit Network Card LDN101 M 3338 02 99 Page 21 of 54 With an error free ORBITxy DAT file and the relevant Orbit Modules connected to the Orbit Network the screen should look as below ORBINST Version 3 3 22 09 97 Base address set to be 100H FILE ORBIT11 DAT CARD 1 CHANNEL 1 Finished 0 Errors 1 address set FILE ORBIT12 DAT CARD 1 CHANNEL 2 FILE NOT FOUND FILE ORBIT21 DAT CARD 2 CHANNEL 1 FILE NOT FOUND FILE ORBIT22 DAT CARD 2 CHANNEL 2 FILE NOT FOUND FILE ORBIT31 DAT CARD 3 CHANNEL 1 FILE NOT FOUND FILE ORBIT32 DAT CARD 3 CHANNEL 2 FILE NOT FOUND FILE ORBIT41 DAT CARD 4 CHANNEL 1 FILE NOT FOUND FILE ORBIT42 DAT CARD 4 CHANNEL 2 FILE NOT FOUND The Report dat file is a log file which records errors in any of the ORBITxy DAT files found in the current directory this hard copy can help when correcting files with several errors LDN101 M 3338 02 99 Page
41. fractometers O Pumps amp Tubing O Air Soil amp Water Monitors O Industrial Water amp Wastewater Treatment O pH Conductivity amp Dissolved Oxygen Instruments LDN101 M 3338 02 99 Page 54 of 54
42. g rdLong amp etc The probe stroke can be obtained by using the Orbitldentify command and probe resolution can be given by the OrbitGetinfo command Linear Encoder has an internal reading update time of 1 ms This means that a new reading is available every 1 ms This command will return the reference mark position if OrbitRefmark is set and the probe reference mark is passed or clear OrbitRefmark if the probe reference mark has not been passed Refer to OrbitRefmark command for details LDN101 M 3338 02 99 Page 33 of 54 6 4 8 OrbitCIr Command Clear addressed Orbit Module Module Type Digital Probe Linear Encoder Type addressed Parameters card channel address This command will perform a software reset on a particular Orbit Module The Orbit Module will then need to be re addressed Allow approximately 0 5 second for completion of the command Quick Basic example CALL OrbitClr card chnl oaddr oaddr OOOAAAAA Network To Module lt BREAK gt C OOOAAAAA From Module C DOOAAAAA Notes C is in ASCII OOOAAAAA is in binary This command will clear previously set values from the addressed Orbit Module as follows Clear address cancels OrbitSetaddr Orbit Module will now respond to the OrbitNotify command Clear OrbitAcquire command status single sample no delay Clear OrbitDifference command status don t record difference Reset Orbit Module software Note Leave at leas
43. ic medium or machine readable form in whole or in part without the prior written consent of OMEGA ENGINEERING INC LDN101 M 3338 02 99 Page 53 of 54 Where Do I Find Everything I Need for Process Measurement and Control OMEGA Of Course TEMPERATURE O Thermocouple RTD amp Thermistor Probes Connectors Panels amp Assemblies O Wire Thermocouple RTD amp Thermistor O Calibrators amp Ice Point References O Recorders Controllers amp Process Monitors O Infrared Pyrometers PRESSURE STRAIN AND FORCE O Transducers amp Strain Gauges O Load Cells amp Pressure Gauges O Displacement Transducers O Instrumentation amp Accessories FLOW LEVEL O Rotameters Gas Mass Flowmeters amp Flow Computers O Air Velocity Indicators O Turbine Paddlewheel Systems O Totalizers amp Batch Controllers pH CONDUCTIVITY O pH Electrodes Testers amp Accessories O Benchtop Laboratory Meters O Controllers Calibrators Simulators amp Pumps O Industrial pH amp Conductivity Equipment DATA ACQUISITION O Data Acquisition amp Engineering Software O Communications Based Acquisition Systems 0 Plug in Cards for Apple IBM amp Compatibles O Datalogging Systems O Recorders Printers amp Plotters HEATERS O Heating Cable O Cartridge amp Strip Heaters O Immersion amp Band Heaters O Flexible Heaters O Laboratory Heaters ENVIRONMENTAL MONITORING AND CONTROL O Metering amp Control Instrumentation O Re
44. ing at the reference mark is returned the first time OrbitRead2 is used QuickBASIC Example CALL OrbitRefmark card chnl oaddr oaddr 000AAAAA Network To Module lt BREAK gt K OOOAAAAA From Module K 000AAAAA Notes K isin ASCII 000AAAAA is in binary When in OrbitRefmark mode the module is waiting until the reference mark is passed status flag RS 1 refer to OrbitGetstatus When the reference mark is passed the flag RF 1 The reading at the reference mark can be read using OrbitRead2 once read flag RR 1 at the same time RS and RF will be reset to 0 and the module will be in normal operating mode again OrbitRead2 will reset the Module back to its normal mode of operation at any time even if the reference mark had not been passed OrbitRefmark cannot be used when the module is set in certain modes such as OrbitDifference mode The status flags can be interrogated to determine module mode The RR flag will equal 1 until the datum is changed in some way This will occur if OrbitRst OrbitClr OrbitPreset OrbitDirection or OrbitRefmark are used or OrbitRead2 is used to clear an overspeed error 6 4 20 OrbitDirection Command Changes direction of reading count Module Type Linear Encoder Type addressed Parameters card channel address This command will toggle the readings form an Orbit module to change direction In the case of a Linear Encoder the count from the probe would change fr
45. ion module info not currently implemented Will return information about the type of module and or probe Additional information may be returned by using the Orbitldentify command Quick Basic example CALL OrbitGetinfo card chnl oaddr moduletype hwtype reso moduleinfo oaddr OOOAAAAA Network To Module lt BREAkK gt B OOOAAAAA From Module B 4 byte moduletype 2 byte hwtype 2 byte reso 32 byte moduleinfo Notes B 4 byte moduletype and 32 byte moduleinfo are in ASCII OOOAAAAA 2 byte hwtype and 2 byte reso are in binary For multi byte parameters byte order is O LS 1 2 3 etc moduletype 4 byte string Returns a constant that identifies the module probe type regardless of options or version Examples DP for Digital Probe LE for Linear Encoder hwtype 2 byte integer Code indicating hardware option or special configuration i e buffering etc for most modules this will be set to 1 meaning standard Refer to appropriate module or probe documentation for detailed information reso 2 byte integer Number representing resolution of module Currently set to 0 for DP and 5 for LE the moduletype will dictate how to interpret reso moduleinfo 32 byte string Information specific to a particular module probe type This may be unassigned set to all spaces or be sub divided into fields as defined by moduletype For field descriptions refer to appropriate modu
46. ional information may be returned by using the Orbitldentify command not currently implemented OrbitGetstatus Returns error and status information from Orbit Module Module Type Digital Probe Linear Encoder Type addressed Parameters card channel address error code status Returns 1 ERROR code byte and 2 STATUS bytes The ERROR code indicates whether the Orbit Module has a problem or why it has not responded to a particular command For information on ERROR codes refer to Error Codes section The STATUS bytes gives information on the present mode or set up of the Orbit Module OrbitRead1 Returns a 16 bit signed integer reading Module Type Digital Probe Type addressed Parameters card channel address reading Returns a reading from the Orbit Module Readings are updated at fixed intervals OrbitRead2 Returns a 32 bit signed long integer reading Module Type Linear Encoder Type addressed Parameters card channel address reading Returns a reading from the Orbit Module Readings are updated at fixed intervals OrbitClIr Clear addressed Orbit Module Module Type Digital Probe Linear Encoder Type addressed Parameters card channel address Performs a software reset on a particular Orbit Module The Orbit Module will then need to be re addressed Allow at least 0 5 second for completion of the command LDN101 M 3338 02 99 Page 24 of 54 OrbitRst Reset all Orbit Modules Module Type
47. le or probe documentation LDN101 M 3338 02 99 Page 29 of 54 6 4 5 OrbitGetstatus Command Returns status and error code from Orbit Module Module Type Digital Probe Linear Encoder Type addressed Parameters card channel address error code status This command will return 1 ERROR code byte and 2 STATUS bytes The ERROR code indicates whether the Orbit Module has a problem or why it has not responded to a particular command For information on ERROR codes refer to Error Codes section The STATUS bytes gives information on the present mode or set up of the Orbit Module Quick Basic example CALL OrbitGetstatus card chnl oaddr errcode status oaddr OOOAAAAA error code gt errcode status status Network To Module lt BREAK gt G OOOAAAAA From Module G 1 byte error code 2 byte status Notes G is in ASCII OOOAAAAA 1 byte error code and 2 byte status are in binary For multi byte parameters byte order is O LS 1 2 3 etc Digital Probe 2 Byte Status format Byte 1 sent after byte 0 Byte 0 sent first a fae se E B 6 Be es bees ea ralsrfwohe e fee Default values rar pooonoo0n pacoccda Flag meaning when set TR Orbit Module triggered after OrbitAcquire and OrbitDifference commands 1 triggered via OrbitTrigger or OrbitStartdiff ST Orbit Module stopped after OrbitAcquire and OrbitDifference commands 1 stopped via OrbitAcquire stop or OrbitStopdiff
48. les A special hardware protocol allows data to be passed between the Orbit Network Card and the device driver ORBITDVR SYS The commands available via ORBITDVR SYS are listed in the Orbit Network Commands section M 3338 02 99 Page 12 of 54 3 0 SETTING UP THE ORBIT MEASUREMENT SYSTEM 3 1 Introduction This section gives some basic information on the connection of the various components of an Orbit Measurement Network It is assumed that an Orbit Network card has been installed in a PC and that this PC will be used to provide power to the Orbit Network For further details about the mechanical installation of PIE Orbit Modules probes and T CON refer to the section on Installation of PIE and T CON 3 2 Connecting The Orbit Network The Orbit network must be fully connected before switching on the PC or other power supply Using the 9 pin D type cable provided connect between the appropriate channel on the Orbit Network card and the Orbit Module s an example Orbit Network is shown below 3 3 System Power Requirements Because the Orbit Network obtains its power from the PC the following factors should be taken into account to ensure correct operation If this is not possible consult your Omega Dealer for advice o Up to 31
49. low Low Signal Level LE only contact dealer Digital Probe Omega use only contact dealer Linear Encoder Omega use only contact dealer Page 41 of 54 M 3338 02 99 Section 7 0 Example Programs The Orbit Network Card Software Support disk contains example programs written in various popular programming languages and for several PC operating systems All the examples supplied are based on one standard user interface which is described below The examples are intended to show programmers how to interface their chosen language with the Orbit Network Examples of a typical screen display are shown in a different font i e This is an example screen display Actions on Start Up a Acall is made to the appropriate interface code e g odvrifc orbit driver interface C calling odvrifc errorword 0 b The user is prompted to select which card to use Note The card number is set via the DIL switches on the Orbit Network Card Enter card 1 4 _ c The user is prompted to select which channel to use Note The channel represents which 9 Pin D type connector on the Orbit Network Card the commands will be sent to Enter channel 1 2 _ d After card and channel have been selected the following text will be written to the screen 1 OrbitRst 2 OrbitNotify 3 OrbitSetaddr 4 OrbitcClr 5 OrbitRead1 6 OrbitIdentify 7 OrbitGetstatus 8 OrbitDifference 9 OrbitStartdiff 10 OrbitStopdiff 11 OrbitReadiff1 12
50. mode and received an OrbitStopdiff or will return the latest result from an Orbit Module still taking readings in OrbitDifference mode 1 Maximum reading 2 bytes 2 Minimum reading 2 bytes 3 Sum of all readings 5 bytes max 4 6 hours of readings at full stroke more readings at less than full stroke 4 Number of readings taken 3 bytes up to 16 7 million readings Quick Basic example CALL OrbitReaddiff1 card chnI oaddr min max sum num oaddr OOOAAAAA Min rdg gt min Max rdg gt max Sum of all rdgs sum Number of rdgs taken gt num Network To Module lt BREAk gt D 000AAAAA From Module D 2 bytes Min rdg 2 bytes Max rdg 5 bytes Sum of all rdgs 3 bytes Number of rdgs taken Notes D is in ASCII OOOAAAAA 2 bytes min rdg 2 bytes max rdg 5 byte sum of all rdgs and 3 byte number of rdgs taken are in binary For multi byte parameters byte order is O LS 1 2 3 etc If the OrbitDifference command has been stopped via OrbitStopdiff the Orbit Module will be set back to single reading mode on the first OrbitRead1 after a successful OrbitReaddiff1 command Note Reading errors are signified by the most significant bit being set hence over and under range readings are saved as 1 FFFFh and 32768 8000h respectively If an out of range reading is detected the sum reading is set to zero and Max Min readings continue to be taken LDN101 M 3338 02 99 Page 38 of 54
51. n the calibrated range rd will return a value Digital Probe has an internal reading update time of 4 ms This means that a new reading is available every 4 ms LDN101 M 3338 02 99 Page 32 of 54 6 4 7 OrbitRead2 Command Returns a 32 bit signed long integer reading Returns a reading from the Orbit Module Readings are updated at fixed intervals refer to module specifications Module Type Linear Encoder Type addressed Parameters card channel address reading QuickBASIC Example CALL OrbitRead2 card chnl oaddr rdLong amp oaddr OOOAAAAA 4 byte reading rdLong amp Network To Module lt BREAK gt L OOOAAAAA From Module L 4 byte reading Notes L is in ASCII OOOAAAAA and 4 byte reading are in binary For multi byte parameters byte order is O LS 1 2 3 etc If there is a fault or condition where a reading is not possible such as overspeed an error code sequence is returned instead of the reading Refer to the Error Codes section for details The Linear Encoder has a fixed resolution regardless of stroke each bit represents a fixed distance other probe or module types may have a fixed stroke but no fixed resolution per bit The Incremental position or reading is returned by OrbitRead2 and OrbitReaddiff2 commands but must be multiplied by the resolution depending on probe type to give a reading in mm Incremental position N x resolution Where N is the returned readin
52. of purchase OMEGA Warranty adds an additional one 1 month grace period to the normal one 1 year product warranty to cover handling and shipping time This ensures that OMEGA s customers receive maximum coverage on each product If the unit malfunctions it must be returned to the factory for evaluation OMEGA s Customer Service Department will issue an Authorized Return AR number immediately upon phone or written request Upon examination by OMEGA if the unit is found to be defective it will be repaired or replaced at no charge OMEGA s WARRANTY does not apply to defects resulting from any action of the purchaser including but not limited to mishandling improper interfacing operation outside of design limits improper repair or unauthorized modification This WARRANTY is VOID if the unit shows evidence of having been tampered with or shows evidence of having been damaged as a result of excessive corrosion or current heat moisture or vibration improper specification misapplication misuse or other operating conditions outside of OMEGA s control Components which wear are not warranted including but not limited to contact points fuses and triacs OMEGA is pleased to offer suggestions on the use of its various products However OMEGA neither assumes responsibility for any omissions or errors nor assumes liability for any damages that result from the use of its products in accordance with information provided by OMEGA either verbal
53. om counting in the positive direction to the negative direction QuickBASIC Example CALL OrbitDirection card chnl oaddr oaddr OOOAAAAA Network To Module lt BREAK gt U OOOAAAAA From Module U DOOAAAAA Notes U is in ASCII OOOAAAAA is in binary This command will set the Reference Read flag RR refer to OrbitGetstatus command to the default reading as the probe datum is affected If necessary OrbitPreset or OrbitRefmark commands should be used There is a delay before this command is implemented and the result valid Linear Encoder has an internal update time of 1 ms LDN101 M 3338 02 99 Page 40 of 54 6 5 Orbit Module Error Codes When an addressed command is sent to a Orbit Module it responds by sending an acknowledge byte followed by data Under error conditions the acknowledge byte which is a specific ASCII character for each command is replaced with the character 21h followed by an error code The rest of the reply is padded out with dummy bytes to keep the message length correct for the particular command Some error codes are module type specific With communication and broadcast command errors the error code cannot be sent in the reply To find the error code the OrbitGetstatus command can be used this will also clear the error if it is not permanent This error sets the hard error flag The error code can be found cleared via the OrbitGetstatus command There are ad
54. om previous setting The uncompensated reading at datum position is now 406 not 200 as before hence the difference in ref mark positions should be 206 Screen display after Orbit address has been entered Example of Reference mode operation Recall 1 New 2 Enter Choice 1 or 2 1 lt Note 1 Reference mod Recall Move Probe tip through Ref Marker RdgAtRefmark recalled 84961 RdgAtRefmark current 85166 lt Note 2 RefoOffset 200 lt Note 3 called OrbitRead2 card 1 chnl 1 oaddr 1 compensated rdlong 0 lt Note 4 Running Press Any Key To Return To Menu Notes 1 Use recall to establish previous setup 2 Difference in ref positions 85161 84961 206 3 Was saved in previous setup 4 Uncompensated rdlong at datum point would be 406 Compensated rdlong rdlong from OrbitRead2 200 206 0 LDN101 M 3338 02 99 Page 46 of 54 18 OrbitReaddiff2 Continuously performs an OrbitReaddiff2 command from the module at the given address Note a If difference logging has not been stopped via OrbitStopdiff the displayed numbers will be live b Some Orbit module types will not respond to the OrbitReaddiff2 command Screen display after Orbit address has been entered called OrbitReaddiff2 card 1 chnl 1 oaddr 1 minlong 325 maxlong 2628 errorword 0h Running Press Any Key To Return To Menu 19 OrbitDirection Changes the count direction for the module at the given address Note
55. ommands will return a snap shot of the buffer contents OrbitRead commands will return a single reading in the normal manner Once the Orbit Module has received OrbitStartdiff it will only respond to OrbitRst OrbitClr Orbitldentify OrbitGetstatus OrbitRead1 OrbitRead2 OrbitReaddiff1 OrbitReaddiff2 and OrbitStopdiff LDN101 M 3338 02 99 Page 37 of 54 6 4 15 OrbitStopdiff Command Stop recording difference readings Module Type Digital Probe Linear Encoder Type broadcast Parameters card channel Stops all Orbit Modules that have previously been set to OrbitDifference mode and started using the OrbitStartdiff command See OrbitReaddiff1 or 2 Quick Basic example CALL OrbitStopdiff card chnl Network To Module lt BREAk gt H 00000000 From Module No response Notes H is in ASCII 00000000 is in binary The contents of the buffer can be read by the OrbitReaddiff1 or 2 command depending on module type If an OrbitRead1 or 2 is used before an OrbitReaddiff1 or 2 a single reading is returned as normal and the contents of the OrbitReaddiff buffer will remain until cleared See OrbitReaddiff1 and 2 6 4 16 OrbitReaddiff1 Command Returns result of OrbitDifference command 16 bit signed integer readings Module Type Digital Probe Type addressed Parameters card channel address minimum maximum sum number Returns results from an Orbit Module that has been set in OrbitDifference
56. or 0 5 mm for Linear Encoder otherwise the Orbit Module does not respond causing a network timeout error The Probe position or module value on power up or after a OrbitRst or OrbitCIr command is used as the reference position for this command Orbit Modules that have had their addresses set using the OrbitSetaddr command will not respond to OrbitNotify 6 4 3 Orbitldentify Command Identify addressed Orbit Module Module Type Linear Encoder Digital Probe Type addressed Parameters card channel address identity devtype version stroke Returns the Orbit Module ID type LE12 DP2 etc software version and calibrated stroke Additional information may be returned by using the OrbitGetinfo command Quick Basic example CALL Orbitldentify card chnI oaddr id devtype ver stroke oaddr OOOAAAAA ID id type devtype version ver stroke stroke Network To Module lt BREAK gt I OOOAAAAA From Module l 10 byte ID 12 byte devtype 5 byte version 2 byte stroke Notes P 10 byte ID 12 byte type 5 byte version are in ASCII OOOAAAAA and 2 byte stroke are in binary For multi byte parameters byte order is O LS 1 2 3 etc LDN101 M 3338 02 99 Page 28 of 54 6 4 4 OrbitGetinfo Command Returns information on the Module Probe Module Type Linear Encoder Digital Probe Type addressed Parameters card channel address module type hardware type resolut
57. ore efficient if several programs will need access to the Network Card See Software Support disk The second method has the advantage of being stand alone and does not involve a change to the PC s config sys file The link to the Network Card is through the larger ONCIFxx OBJ which is linked with each application during code compilation See Software Support disk Application 1 Driver Network Card ODVRIF code loaded via config sys a Application 2 ORBITDVR lt lt ODVRIF code lt _ gt Resident in lt i ie Network PC memory U N a Application 3 ODVRIF code Card Interface Using Memory Resident Driver Application 1 Application 2 1 C ONCIF code gt eh k lt p Networ Application 3 l WW GC ONCIF code dvr_drg wmf Card Interface Using Linkable Driver LDN101 M 3338 02 99 Page 15 of 54 4 3 Memory Driver Installation and PC Configuration The Driver is an installable device Driver which occupies approximately 1 5K bytes of the PC s memory To load the Driver the ORBITDVR SYS file should be copied from the disk supplied to the boot disk of the PC The CONFIG SYS file on the PC should then be edited to include the line DEVICE lt path gt ORBITDVR SYS QB QP CA XXX Where lt path gt is the path to the ORBITDVR SYS file
58. ot designed for use in and should not be used for patient connected applications M 3338 02 99 Page 2 of 54 TRADEMARKS IBM and PC DOS are registered trademarks of International Business Machines MS DOS Quick Basic Quick C Quick Pascal and are registered trademarks of Microsoft Corporation Turbo Pascal is a registered trademark of Borland International LDN101 M 3338 02 99 Page 3 of 54 CONTENTS Section 1 LDN101 Introduction 1 1 Safety Summary 1 2 This Manual 1 3 PC System Requirements 1 4 Carton Contents 1 5 Glossary Installing The Orbit Network Card 2 1 Introduction 2 2 Precautions 2 3 Card Preparation 2 4 Installation 2 5 Software Installation 2 6 Orbit Network Card Specification Setting Up The Orbit Network Measurement System 3 1 Introduction 3 2 Connecting The Orbit Network 3 3 System Power Requirements The Orbit Network Card Driver 4 1 Making Backup Copies 4 2 Driver Types 4 3 Memory Driver Installation and PC Configuration 4 4 Linkable Network Card Driver 4 5 Driver Error Codes Using the Utility Programs 5 1 ORBSET EXE 5 2 ORBINST EXE Orbit Network Commands 6 1 Introduction 6 2 Orbit Command Summary 6 3 Orbit Command Application Table 6 4 Orbit Command Detail Descriptions 6 5 Probe Error Codes Example Application Programs Installation of PIE and T CON Warranty Disclaimer Page 4 of 54 Page ODD OD OD 53 M 3338 02 99 This page intentionally left blank
59. quests inquiries to the OMEGA Customer Service Department BEFORE RETURNING ANY PRODUCT S TO OMEGA PURCHASER MUST OBTAIN AN AUTHORIZED RETURN AR NUMBER FROM OMEGA S CUSTOMER SERVICE DEPARTMENT IN ORDER TO AVOID PROCESSING DELAYS The assigned AR number should then be marked on the outside of the return package and on any correspondence The purchaser is responsible for shipping charges freight insurance and proper packaging to prevent breakage in transit FOR WARRANTY RETURNS please have the FOR NON WARRANTY REPAIRS consult OMEGA for following information available BEFORE contacting current repair charges Have the following information OMEGA available BEFORE contacting OMEGA 1 Purchase Order number under which the product 1 Purchase Order number to cover the COST of the was PURCHASED repair 2 Model and serial number of the product under 2 Model and serial number of the product and warranty and 3 Repair instructions and or specific problems relative 3 Repair instructions and or specific problems to the product relative to the product OMEGA s policy is to make running changes not model changes whenever an improvement is possible This affords our customers the latest in technology and engineering OMEGA is a registered trademark of OMEGA ENGINEERING INC Copyright 1999 OMEGA ENGINEERING INC All rights reserved This document may not be copied photocopied reproduced translated or reduced to any electron
60. re 3 mounting methods See diagrams below With each method it is important to ensure there is an electrical connection between the T CON case and a good earth usually the chassis or frame of the equipment onto which the T CON is being fixed For each mounting method a possible way of achieving this is shown If more than one T CON is being used it is not necessary thought best to ground each one It is recommend that one in five are properly grounded Screening for the remainder will be maintained via the connector shells LDN101 M 3338 02 99 Page 48 of 54 Using Captive Nuts recommended Ensure the screws make good electrical contact with the metal mounting surface plain and lock washers are suggested Using Plastic Mounting Feet These feet are a tight snap fit into the T CON case An upward and inward force is best If the T CON is mounted on a grounded metal surface paint can be removed from the base pads to ensure a connection LDN101 MOUNTING OPTION USING CAPTIVE NUTS E He A W Q Z O eee Ern o aa W N zZ vo O B oS Pt 1 eh S x pa fees i EON WASHER I Hx M4 SCREW M4 QLI J T 0 945 24 0mm aE 1 890 e z 48 0mm D 0 157 4 0mm 239 MIN BEND RADIUS 60 8mm AN st 9 BIg i es z 0 335 x 90 8 5mm x 90 O So T p couNTERSINK SE T oO oO N ig coy 1 1 w 0 Difi J F 2 913 0 020 A 0 0 5mm 7 D z 3 425 Max ee
61. res Instructions M 3338 02 99 LDN101 Page 10 of 54 2 5 Software Installation The Orbit Network card requires a driver program to interface between the application programs and the Orbit Network card For further details refer to the section on the Orbit Network Card Driver LDN101 M 3338 02 99 Page 11 of 54 2 6 Orbit Network Card Specification Electrical Power Consumption RS485 serial Dual channel Network terminator 200 mA max no Orbit Modules connected two wire differential 9 Pin sub D sockets fitted to PC card 120R between 2 and 3 of 9 Pin D type Parallel connected 9 Pin D connectors male and female are pin to pin connected on the network 9 Pin D designations ORBIT Network General Communications Method Baud Rate Data Byte Structure Network Control Network Reading Rate Max Number of Orbit Modules Max Cards per System PC Bus Communication Method Command Set LDN101 Pin 1 Channel 1 5V Pint OAONDOOAARWD Hon We i We om ota c Jeor Channel 2 orbcard wmf The Orbit Measurement System communicates with multiple Orbit Modules via an RS485 multi drop network Asynchronous half duplex poll response 187 5 K Baud 1 start 8 data 1 odd parity 1 stop bit Break character implemented low space signal of gt 90 us 1 000 readings per second minimum 31 addressed per channel 62 per PC card 4 off Orbit Network Cards giving Max 248 Orbit Modu
62. rved 2F8 2FF Asynchronous communications secondary 300 31F Prototype card 320 32F Fixed disk 378 37F Printer 380 38C SDLC communications 380 389 Binary synchronous communications secondary 3A0 3A9 Binary synchronous communication primary 3B0 3BF IBM monochrome display printer 3C0 3CF Reserved 3D0 3DF Color graphics 3E0 3F7 Reserved 3F0 3F7 Diskette 3F8 3FF Asynchronous communications primary To avoid conflicting port assignments ensure that both the base address and the base address 1 are not assigned to other hardware in the PC Card base address section is shown in the table below CARD BASE SWITCH ADDRESS 6 HEX OFF 100 OFF 102 OFF 104 OFF 106 ON 108 ON 10A ON 10C ON 10E OFF 110 OFF 112 OFF 114 OFF 116 ON 118 ON 11A ON 11C ON 11E 300 302 304 306 308 30A 30C 30E 310 312 314 316 318 31A 31C 31E LDN101 M 3338 02 99 Page 8 of 54 2 3 3 Orbit Network Card Number Selection The card number switch allows up to 4 cards to share the same base address in the PC For correct operation each card in the PC must have the same base address and a different card number The method of card number selection is shown in the table below SWITCH CARD NUMBER 1 2 Note Orbit Network cards are shipped as base address 100 Hex and card number 1 2 4 Installation The Orbit Network card can be installed in one half slot of either the system unit or an
63. t 0 5 second delay after an OrbitCIr command before sending any other command 6 4 9 OrbitRst Command Reset all Orbit Modules Module Type Digital Probe Linear Encoder Type broadcast Parameters card channel This command has the same affect as OrbitClr but will reset ALL the Orbit Modules on a network at the same time To set the Orbit Modules to the required Baud rate this command MUST be sent after the network is powered up and before any other command Allow approximately 0 5 second for completion of the command Quick Basic example CALL OrbitRst card chnl Network To Module lt BREAK gt R 00000000 From Module No response Notes R is in ASCII 00000000 is in binary This command will reset all Orbit Modules as follows Clear address cancels OrbitSetaddr Orbit Module will now respond to the OrbitNotify command Clear OrbitAcquire command status single sample no delay Clear OrbitDifference command status don t record difference Reset Orbit Module software and perform self test Note Leave at least 0 5 second delay after a OrbitRst command before sending any other command LDN101 M 3338 02 99 Page 34 of 54 6 4 10 OrbitAcquire Command Set Orbit Module to acquire mode Module Type Digital Probe Type addressed Parameters card channel address readings delay This command will set the Orbit Module to record 1 to 25 readings with a specific time delay 0 1s to 819 1s bet
64. t command depending on their previous set up No acknowledgement from Modules is expected after a broadcast command Further information from a Module can be obtained by using addressed commands In conjunction with the two command types the Orbit Network uses a BREAK character to get the attention of all the Modules on the Orbit Network The BREAK character is a low space signal which has a duration of gt 90 us 187 5K Baud or gt 1 2 ms 9600 Baud Note that although the Orbit Module can operate at 9600 or 187 5 K Baud Orbit Modules set to different speeds cannot be used on the same network To set the Orbit Module Baud rate a OrbitRst command must be sent to the network after power up and before any other command Orbit Modules may not respond to all commands as different types of module have different operating requirements The Command Application Table lists the appropriate commands for each module Refer to the command detail sections as there may be additional information on commands error codes or special requirements for a particular module type LDN101 M 3338 02 99 Page 23 of 54 6 2 Command Summary This summary gives a brief description of each command Orbit Modules may not respond to all commands as different types of module have different operating requirements Refer to the Orbit Command Detail section and Command Application Table for full details of each command OrbitSetaddr Set Orbit Module address Module Type
65. than the Orbit Module reading rate this bit can be checked to ensure that the same reading is not read twice D Indicates direction of count 1 positive or 0 negative direction via OrbitDirection commana RS 1 looking for reference marker applies to OrbitRefmark mode RF 1 reference marker is found applies to OrbitRefmark mode RR 1 reference point has been read applies to OrbitRefmark mode NU Not used currently set to 0 If OrbitRst OrbitClr or OrbitPreset is used both status bytes will be set to default values If an overspeed has occurred OrbitGetstatus will return both the relevant error code and the status of the module just before the overspeed occurred All status flags will then be set to default values and the module reading will be reset to zero The next OrbitGetstatus will return the new status of the module if no errors have occurred or modes entered the error code and status bytes will be at their default values The Module will retain its network address LDN101 M 3338 02 99 Page 31 of 54 6 4 6 OrbitRead1 Command Returns a 16 bit signed integer reading Module Type Digital Probe Type addressed Parameters card channel address reading Returns a reading from the Orbit Module Readings are updated at fixed intervals Quick Basic example CALL OrbitRead1 card chnl oaddr rd oaddr OOOAAAAA 2 byte reading gt rd Network To Module lt BREAK gt 1 DOOAAAAA From Module 4
66. the module This time may be different for other Orbit Modules refer to module specifications 6 4 11 OrbitTrigger Command Trigger all Orbit Modules set to OrbitAcquire mode Module Type Digital Probe Type broadcast Parameters card channel This command will trigger all Orbit Modules that have previously been set by an OrbitAcquire command The first reading will be taken immediately any further readings will be taken after the delay set by the OrbitAcquire command See OrbitAcquire special cases Quick Basic example CALL OrbitTrigger card chnl Network To Module lt BREAk gt T 00000000 From Module No response Notes T is in ASCII 00000000 is in binary LDN101 M 3338 02 99 Page 35 of 54 6 4 12 OrbitReadia Command Return integer array Module Type Digital Probe Type addressed Parameters card channel address reading This mode allows information stored during OrbitAcquire to be read Readings can be taken at any time during the OrbitAcquire period though obviously all readings may not have been taken Readings are stored until read or cleared Quick Basic example CALL OrbitReadia card chnl oaddr rdarray oaddr OOOAAAAA 25 x 2 byte readings gt rdarray Network To Module lt BREAk gt E DOOAAAAA From Module E 25 x 2 byte readings Notes E is in ASCII OOOAAAAA and 25 x 2 byte readings are in binary For multi byte parameters
67. ween readings The taking of readings will not start until a OrbitTrigger command is received The stored readings are read using the OrbitReadia command Orbit Module reading synchronization is also possible using this command Quick Basic example CALL OrbitAcquire card chnI oaddr rdgs dly oaddr OOOAAAAA rdgs rdgs dly delay Network To Module lt BREAK gt A OOOAAAAA 1 byte no of rdgs 1 25 0 and 255 special case 2 byte delay 1 1FFFh From Module A DOOAAAAA Notes A is in ASCII 000AAAAA 1 byte number of rdgs and 2 byte delay are in binary For multi byte parameters byte order is O LS 1 2 3 etc Once set the Orbit Module will start taking readings immediately after a OrbitTrigger command Once the Orbit Module has been triggered it will only respond to OrbitRst OrbitClr Orbitldentify OrbitGetstatus OrbitReadia and OrbitAcquire This command cannot be used if the Orbit Module is already in OrbitDifference mode Special Cases 1 OrbitAcquire stop i e to leave OrbitAcquire mode Call the OrbitAcquire command again with the number of rdgs byte set to 0 2 Orbit Module synchronization Call the OrbitAcquire command with the number of readings byte set to 255 OFFh all Orbit Modules set in this mode will start their first measurement cycle after the OrbitTrigger command Allow time i e 12 ms for Digital Probe after the OrbitTrigger before taking a reading from
68. ype Digital Probe Linear Encoder Type addressed Parameters card channel address Readings are taken continuously once started via OrbitStartdiff The maximum minimum sum and number of readings are stored Up to 16 7 million readings can be taken OrbitStartdiff Start recording difference readings Module Type Digital Probe Linear Encoder Type broadcast Parameters card channel Orbit Modules that have previously been set to OrbitDifference mode will start taking readings All Orbit Modules will start at the same time Use for synchronization OrbitStopdiff Stop recording difference readings Module Type Digital Probe Linear Encoder Type broadcast Parameters card channel Stops all Orbit Modules that have previously been set to OrbitDifference mode and started using the OrbitStartdiff command OrbitReaddiff1 Return result of OrbitDifference command 16 bit signed integer readings Module Type Digital Probe Type addressed Parameters card channel address minimum maximum sum number Returns results from a Orbit Module that has been set in OrbitDifference mode and received a OrbitStopdiff or will return the latest result from a Orbit Module still taking readings in OrbitDifference mode LDN101 M 3338 02 99 Page 25 of 54 OrbitReaddiff2 Return result of OrbitDifference command 32 bit signed long integer readings Module Type Linear Encoder Type addressed Parameters card channel ad

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