DNR-AI-255 Product Manual - United Electronic Industries
Contents
1. Function Description DqAdv255SetMode Sets up one of the S R operating modes supported by the Al 255 DqAdv255SetExt Set up extra additional parameters DqAdv255SetExcitation Sets excitation frequency and amplitude in internal exitation mode DgAdv255GetWFMeasurements Returns the measured parameters of waveform on selected input s DqAdv255MeasureWF Simple form of DqAdv255GetWFMeasurements DqAdv255Enable Refer to DqAdv256Enable DqAdv255GetExcitation Gets layer excitation voltage parameters of excitation waveform DqAdv255Read Read the calculated angle or special data for selected channels DqAdv255Write Write a simulated position of a synchro or resolver or special data DqAdv255ConvertSim Converts angle to raw data representation for gain and phase control DqAdv255WriteBin Writes an angle or special data for selected channels DqAdv255ReadDIn Reads digital inputs DqAdv255WriteDOut Writes digital outputs and reads back digital inputs Copyright 2012 Tel 508 921 4600 www ueidaq com Vers 4 5 United Electronic Industries Inc Date February 2012 DNx Al 255 Chap4 fm A Accessories DB 62 female 62 pin connector toJ2 toJT1 toJT1 toJT1 toJT1 toJT1 toJT1 toJT2 toJT2 toJT2 toJT2 toJT2 toJT2 toJT2 toJT3 toJT3 toJT3 toJT3 toJT3 toJT3 42 62 i eeeeeceeoeeed E eececcn dccc c00 e ee 0906060600 900000000000 0 DNA DNR AI 255 Synchro Resolver Interface Ap2. B Q g n Copyright 2012 Tel 508 921 4600 www ueidaq com Vers 4 5 United Electronic Industries ID Date February 2012 DNx AI 255 Chap1x fm DNA DNR AI 255 Synchro Resolver Interface Chapter 2 Synchro Resolver Mode Chapter 2 Synchro Resolver Mode This chapter provides an overview of synchros resolvers how the DNx Al 255 can be used to manipulate them and supporting documentation to do so The DNx Al 255 can act as a 2 channel Synchro or Resolver interface for UEI s PowerDNA and PowerDNR data acquisition systems The board provides two channels that can monitor either 3 4 wire plus excita tion synchros or 4 wire plus rotor excitation resolvers or as an alternative pro vide simulated outputs for test and simulator applications It is capable of angle measurement accuracies approaching 2 6 arc minutes Each channel may be configured either as an input or an output in any combination Output accuracy is 4 arc minutes The inputs may be sampled at rates up to the excitation fre quency of 4 kHz Each channel provides its own Programmable Reference Volt age with outputs independently programmable from 2 to 28 V4 at 1 2 VA and at frequencies from 50 to 4000Hz The DNx Al 255 also provides two channels of Synchro or Resolver Output ideal for driving devices such as attitude indicators or as test sources for a wide range of synchro or resolver input devices The two outputs each accept an i
3. X X X Copyright 2012 Tel 508 921 4600 www ueidaq com Vers 4 5 United Electronic Industries Inc Date February 2012 DNx Al 255 Chap2 fm DNA DNR AI 255 Synchro Resolver Interface Chapter2 12 Synchro Resolver Mode The SI coil output voltage green line is zero because the rotor is positioned plus or minus 90 relative to the S1 stator winding and therefore produces nothing The S2 coil blue line shows a voltage in phase with excitation and with the same polarity as the excitation voltage The S3 coil cyan line shows a voltage of polarity opposite to that of the excitation or 180 out of phase NOTE Coils on a synchro can be labeled in two different ways looking at the synchro from the shaft side as S1at the top followed in a counterclockwise direction by S2 and S3 or looking at the collector side as S1 at the top followed in a clockwise direction by S2 and S3 In datasheets from some companies the labeling may be reversed NOTE When using the Al 255 for simulation you can attach a scope to the simulation outputs ground the scope probes to AGND and read voltages between S1 and AGND S2 and AGND and S3 and AGND Some synchros have the coil mid points between coils brought out but most do not To create a proper transform function you need to consider the following formula Pactual 7 135deg ca
4. lille 6 2 1 1 The SYNCRO uz rrr eere neg dre RDR ex gesehen E 6 2 1 2 The Resolve 8 2 2 Device Architecture oe se eee ee eed be ee 13 2 3 Setting Operating Parameters 0 0 cee 14 2 4 PINQUL rasan eine Sea di Meare Lead abana dsdeasea apie aps 14 2 5 Synchro Resolver Wiring Connections 0 000 cece 15 Chapter 3 Programming with the High Level API 2 000 e eee eee eee eeee 19 3 1 Creating a S6sslon specu mtem EHE RENE REG NES E Ae Rae 20 3 2 Configuring the Resource String llle 20 3 3 Configuring for Input lille I n 20 3 4 Simulated Synchro Resolver Output 0 000 cee eee eee 21 3 5 Configuring the Timing 0 0 2 0 cee I eh 21 3 6 Read Data suce chee oe ved eae Senin swale eda ae ae ae as 22 3 7 Write Dataic cies eatin bata ead bed ea ees baa ae dave aed 22 3 8 Cleaning up the Session 0 0 0 0 ccc eee 22 Chapter 4 Programming with the Low level API 0 0 eee eee eee eee 23 4 1 DNx Al 255 Modes of Operation llle 24 4 1 1 TI T P i c 25 4 2 Low Level Functions llle n 27 Q Unted Electronic Industries Ine D Pa 20 M PE amni O Hn DNA DNR AI 255 Synchro Resolver Interface B 10 Copyright 2012 United Electronic Industries Inc DNA DNR AI 255 Synchro Resolver Interface Figures List of Figures The DNR AI 255 Analog Input Layer s
5. Cyc RMS Cyc RMS 23 54 235V CH2 CH2 Pk Pk Pk Pk 21 8V 212V CH3 CH3 a io Pk Pk a Pk Pk 1124 12y CH4 CH4 Pk Pk Pk Pk 11 6 11 6 ip CHI CHI Freq Freq 400 3Hz 339 4Hz CHT 100v CH2 100V M 500us CHI 7 0 00V CHT 100V CH2 100V M 500us CH1 7 0 00V CH3 10 0 CH4 10 0 400 311Hz CH3 10 0 CH4 10 04 400 322 Hz Figure B 5 Waveforms for Simulator Mode w Int Exc at 0 left and 180 right Copyright 2012 Tel 508 921 4600 www ueidaq com Vers 4 5 United Electronic Industries Inc Date February 2012 DNx Al 255 AppxB fm Copyright 2012 United Electronic Industries Inc Outputs DNx Al 255 Pin No ChO Ch1 4 14 InA 25 35 InA 5 15 InB Inputs 26 36 InB 9 62 30 61 10 20 31 41 44 54 43 53 2 12 23 33 DNA DNR AI 255 Synchro Resolver Interface Source indicates Simulator External Excitation optional connection If center point is not wired leave OutA OutB OutC unconnected Figure B 6 Al 255 in Synchro Simulator Mode with External Excitation Tel 508 921 4600 Date February 2012 www ueidaq com Vers 4 5 DNx Al 255 AppxB fm 33 Inputs Outputs Copyright 2012 United Electronic Industries Inc DNx Al 255 Pin No ChO Ch1 4 14 InA 25 35 InA
6. Resolver stator coils are 81 83 and S2 S4 Rotor coil is R1 R3 and R2 R4 when two rotor windings are used Table 4 1 describes the wiring connections for various modes of operation Table 4 1 Wiring Connections for Various Synchro Resolver Operating Modes Synchro three 120 coils Resolver two 90 coils Mode Input internal excitation 28V 400Hz 4kHz AOut R1 and R2 connected to D and D optionally use A Bor Cin parallel Aln S1 to A S2 to B S3 to C AOut R1 and R3 connected to D and D optionally R2 and R4 to C and C two windings per rotor Aln S1 to A S3 to A S2 to B S4 to B Input external excitation 28V ms from A C bus Output internal excitation 28V ms N C 1 to A S2 to B S3 to C R1 to D R2 to D and Common to AGND S1 to A S2 to B S3 to C Excitation readback to D D N C N C S1 to A S3 to A S2 to B S4 to B R1 to D R3 to D and Common to AGND Optionally R2 to C and R4 to C S1 to A S3 to A S2 to B S4 to B Excitation readback to D D N C Output external excitation 28V img from A C bus S1 to A S2 to B S3 to C and Common to AGND Excitation readback to D D S1 to A S3 to A S2 to B and S4 to B Excitation readback to D D internal drive resolver only Mode Input Internal Excitation DO AI255 MODE SI INT
7. 26 36 InB 9 62 InC 30 61 InC 10 20 31 41 44 54 43 53 DNA DNR AI 255 Synchro Resolver Interface i Source NC Synchro in NC Input Mode External NC Excitation indicates optional connection If center point is not wired leave InA InB InC unconnected Figure B 2 Al 255 in Synchro Input Mode with External Excitation Tel 508 921 4600 Date February 2012 www ueidaq com Vers 4 5 DNx Al 255 AppxB fm 30 DNA DNR AI 255 Synchro Resolver Interface 31 Al 255 Pin No ChO Ch1 4 14 25 35 5 15 Inputs SAE NC Simulator 9 62 NC Internal 30 61 InC NC Excitation 10 20 31 41 44 54 43 53 Yuta 4 Outputs indicates optional connection If center point is not wired leave OutA OutB OutC unconnected NOTE Most synchros do not require connections to OutA OutB and OutC Some devices however use electronic equivalents of synchros In such cases connect the channel ground to the device ground Figure B 3 Al 255 in Synchro Simulator Mode with Internal Excitation Copyright 2012 f Tel 508 921 4600 www ueidaq com Vers 4 5 United Electronic Industries Inc Date February 2012 DNx AI 255 AppxB fm DNA DNR AI 255 Synchro Resolver Interface 32 As
8. 5 15 InB 26 36 InB 9 62 30 61 10 20 31 41 44 54 43 53 2 12 23 33 DNA DNR AI 255 Synchro Resolver Interface Simulator External Excitation Al 255 in Synchro Simulator Mode with External Excitation in Z grounding Mode Tel 508 921 4600 Date February 2012 www ueidaq com Vers 4 5 DNx Al 255 AppxB fm 34 DNA DNR AI 255 Synchro Resolver Interface 35 DNx Al 255 Pin No ChO Ch1 4 14 InA o gt 25 35 InA S3 5 15 InB 2 Inputs 26 36 InB S4 9 62 NC is Bij 30 61 NC a 10 20 NC 31 41 NC Rotor 1 44 54 r1 R1 43 53 R3 Outputs 2 12 Bee Rotor 2 23 33 is 7 17 NC 28 38 NC Resolver in NC Input Mode 8 18 NC Internal 29 39 Excitation Cho Ch1 24 47 32 42 NOTE Other 97 59 Connect rotor to Output D If more Pins 6 22 16 34 be cen current is needed use Ouput B in 45 51 40 55 parallel and add a 2 10 ohm series resistor d M Resolvers that use the second rotor 48 49 37 56 coil can be connected to Output C 50 52 58 60 Figure B 7 Al 255 in Resolver Input Mode with Internal Excitation Copyright 2012 f Tel 508 921 4600 www ueidaq com Vers 4 5 United Electronic Industries Inc Date February 2012 D
9. peak amplitude of the excitation signal should be measured using an oscillo Scope to ensure correctness 3 4 Simulated The AI 255 can be configured for synchro resolver output When using the Al Synchro 255 in Synchro Resolver Mode you can also use the Al 255 to simulate a Syn Resolver chro or a Resolver output Output The following call configures an analog output channel of an Al 255 set as device 1 Configure session for synchro resolver output aoSession CreateSimulatedSynchroResolverChannel pdna 192 168 100 2 Dev1 AO0 UeiResolverMode 34207 5000 0 false It configures the following parameters Sensor Mode the type of sensor synchro or resolver to be simulated Excitation Voltage the amplitude of the excitation sine wave in volts RMS e Excitation Frequency the frequency of the excitation sine wave External Excitation specifies whether you wish to provide external excitation or use the excitation provided by the Al 255 3 5 Configuring You can configure the Al 255 to run in simple mode point by point buffered the Timing mode ACB mode or DMAP mode NOTE ACB buffered mode is not currently supported for the Al 255 but will be available in the near future If you have a specific need for this feature please contact UEI for current availability status In simple mode the delay between samples is determined by software on the host computer In DMAP mode the delay between samples is de
10. 30 61 C NC C NC NC NC NC NC In D 10 20 NC NC Exct Exct R1 NC NC Exc Exc In D 31 41 NC NC Exc Exc R2 NC NC Exc Exc OutA 44 54 NC NC NC NC S1 S1 S1 S1 OutA 43 53 NC NC NC NC C S3 C S3 OutB 2 12 NC NC NC NC S3 S2 S3 S2 OutB 23 33 NC NC NC NC C S4 C S4 OutC 7 17 NC NC R2 NC NC S2 Opt R2 S2 NC OutC 28 38 NC NC R4 NC NC C Opt R4 C NC OutD 8 18 R1 R1 NC NC Exc Exc R1 NC NC OutD 29 39 R2 R3 NC NC Exc Exc R3 NC NC NC 24 47 32 42 57 59 GND 6 22 16 34 45 51 40 55 Rsvd 1 3 11 13 27 46 119 21 48 49 37 56 50 52 58 60 Copyright 2012 Tel 508 921 4600 www ueidaq com Vers 4 5 United Electronic Industries Inc Date February 2012 DNx Al 255 Chap2 fm DNA DNR AI 255 Synchro Resolver Interface Chapter2 16 Synchro Resolver Mode 2 5 0 1 Line to Line amp The Al 255 performs measurement and stimulation to attached synchros and Peak to Peak resolvers by comparing each of the inputs S1 S2 S3 to a ground reference line at the Al 255 s ADC using peak to peak voltage Vpp values Measurement 3 5 o u g o us S18 a n x gt oa o o 2 T Synchro S 8 2 B o Z N Q ms D lt x a x 8 2 c an Q Figure 2 11 Peak to peak voltage measurement of Synchro The synchro however is most commonly rated to use the root mean squared rms voltage a
11. 255 Resolver Simulation with external excitation The Al 255 outputs voltages that simulate the analog signals from stator coils of a resolver Excitation voltage is supplied by an external source and read back by the Al 255 as an analog input All the modes including additional z ground modes are defined in powerdna h The above eight modes of operation are set by the following definitions define DQ AI255 MODE SI INTO Synchro input internal excitation define DQ AI255 MODE RI INT1 Resolver input int exc define DQ AI255 MODE SI EXT2 Synchro input ext exc readback exc on D define DQ AI255 MODE RI EXT3 Resolver input ext exc readback exc on D define DQ AI255 MODE SS INT4 Synchro drive simulation int exc fully sourced define DQ AI255 MODE RS INT5 Resolver drive simulation int exc fully sourced define DQ AI255 MODE SS EXT6 Synchro drive simulation ext exc readback on D define DQ AI255 MODE RS EXT7 Resolver drive simulation ext exc readback on D Copyright 2012 Tel 508 921 4600 www ueidaq com Vers 4 5 United Electronic Industries Inc Date February 2012 DNx Al 255 Chap4 fm DNA DNR AI 255 Synchro Resolver Interface Chapter 4 Programming with the Low level API 25 4 1 1 Wiring A synchro has three stator coils S1 S2 S3 connected in a star or delta fashion to the Common The rotor primary coil exciter has wires R1 and R2
12. DO AI255 MODE RI INT exc rate 400 0 excitation frequency is the same for both calls exc level 26 0 level for the rotor coil adc rate 0 returns actual sampling rate ret DqAdv255SetExcitation hd0 DEVN CHANNEL DQ AI255 ENABLE EXC D D channel only exc rate exc level amp adc rate exc level 26 0 level for the rotor coil from the datasheet ret DgAdv255SetMode hd0 DEVN CHANNEL mode flags float exc rate float exc level Copyright 2012 United Electronic Industries Inc Tel 508 921 4600 Date February 2012 Vers 4 5 DNx Al 255 Chap4 fm www ueidaq com DNA DNR AI 255 Synchro Resolver Interface Chapter4 26 Programming with the Low level API Mode Input External Excitation DQ AI255 MODE SI EXT DO AI255 MODE RI EXT Measure frequency and level on input D ret DgAdv255MeasureWF hd0 DEVN CHANNEL COARSE amp exc rate amp exc level amp exc offs use excitation frequency measured on the rotor winding use excitation voltage measured on the rotor winding this information is required to estimate A D settings ret DgAdv255SetMode hd0 DEVN CHANNEL mode flags exc rate exc level Mode Output Internal Excitation DO AI255 MODE SS INT DO AI255 MODE RS INT exc rate 400 0 excitation frequency is the same for both calls exc level 26 0 level for the rotor coil adc rate 0 returns actual sampling
13. an example of the above configuration here is a practical setup to drive a synchro with 3 wire stator 20 4Vpp and 2 wire rotor 65Vpp connected to Channel 0 of an Al 255 using a DNA STP 62 board with pinout Signal Synchro Pin Practical Notes OutA S1 44 One of the three wires placed in a triangle 120 OutA none 43 Already wired internally to ground OutB S2 2 See above OutB none 23 See above OutC S3 7 See above OutC none 28 See above OutD Exc 8 Striped wire on some synchro s goes to the rotor coil See synchro for excitation voltage often RMS OutD Exc 29 Table 6 1 Setup for Simulator Mode w Int Exc example PowerDNA Explorer configuration for the above setup on Channel 0 9m Model Al 255 e ME 0M 32374 Al EEHEHCHEEEE d 0 Al 255 Info A In 2 synchro resolverchannels ip IHE SH Un SIN 0073664 B Mfg Date Oct 1 2011 D g Cal Date Oct 14 2011 Base Addr 0xA0030000 IRQ 2 v Enabled Channel 0 Mode Output w Excitation Device Synchro v Value 3114159 Span 20 400 v Excitation amplitude 65 000 V Frequency 400 00 Hz Figure B 4 PowerDNA Explorer in Simulator Mode Int Exc 180 Resulting waveform on an oscilloscope REUS Trig d M Pos 0 000s MEASURE Ailes Trig d M Pos 0 000s MEASURE YT CH1 CHI
14. rate ret DgAdv255SetExcitation hd0 DEVN CHANNEL SIM DQ AI255 ENABLE EXC D D channel only exc rate exc level amp adc rate exc level 11 8 level for the stator coils from the datasheet ret DgAdv255SetMode hd0 DEVN CHANNEL SIM mode flags float exc rate float exc level Mode Output External Excitation DO AI255 MODE SS EXT DO AI255 MODE RS EXT Measure frequency and level on input D ret DgAdv255MeasureWF hd0 DEVN CHANNEL COARSE amp exc rate amp exc level amp exc offs exc level 11 8 level for the stator coils from the datasheet ret DgAdv255SetMode hdO DEVN CHANNEL mode flags exc rate exc level quet R nu ecu M M m eS Se U um MK O7 c mo y L YXr em r Q nm n xmas si Copyright 2012 Tel 508 921 4600 www ueidaq com Vers 4 5 United Electronic Industries Inc Date February 2012 DNx Al 255 Chap4 fm DNA DNR AI 255 Synchro Resolver Interface Chapter4 27 Programming with the Low level API 4 2 Low Level The low level synchro resolver functions for an Al 255 layer used with synchro Functions resolvers are described in the PowerDNA API Reference Manual Release 4 5 Section 4 9 to 4 11 The following functions are inherited by the Al 256 from the Al 255 for use with synchro resolver applications
15. the opposite polarity relative to excitation but have equal magnitudes Tek Run 5 80 V 400mV 280ys 20 0ps SIN output COS output Excitation Met 20 Apr 2009 ur 0 00000 s 11 27 53 Figure 2 5 Resolver Waveforms at 135 Rotor Angle Copyright 2012 Tel 508 921 4600 www ueidaq com Vers 4 5 United Electronic Industries Inc Date February 2012 DNx Al 255 Chap2 fm DNA DNR AI 255 Synchro Resolver Interface Chapter2 11 Synchro Resolver Mode A 6 40V 200mV A 280ps 20 0ps SIN output COS output Excitation Ch3 10 0V Ch4 10 0V 20 Apr 2009 i 0 00000 s 11 26 59 Figure 2 6 Resolver Waveforms at 45 Rotor Angle Referring to 2 6 The SIN and COS output voltages are in phase with excitation have the same polarity relative to excitation and also have equal magnitudes When a synchro is used the excitation and output voltages appear as shown in Figure 2 7 Note that a synchro has three windings with angles between coils of 120 A 0 00V amp 100mV A 280ys S3 Cyan 20 0pns S2 Blue 1 Green Excitation Chi 5 00V Ch2 5 00V Mi 00ms A Ch3 f 0 00V Ch3 10 0V i 5 00V n PRA 13 Apr 2009 ii 0 00000 s 13 40 19 Figure 2 7 Synchro Waveforms at 0 Rotor Angle
16. 12 www ueidaq com Vers 4 5 DNx Al 255 Chap2 fm 2 5 Synchro Resolver Wiring Connections DNA DNR AI 255 Synchro Resolver Interface Chapter2 15 Synchro Resolver Mode Before plugging any I O connector into the Cube or RACKtangle be sure to remove power from all field wiring Failure to do so may cause severe damage to the equipment The table shown below Table 2 1 matches the terminal connections of the Al 255 with the corresponding terminals on a synchro or a resolver device or simulator in each of the various operating modes For a synchro the terminals are S1 S2 S3 and C for the three stator windings and common and R1 R2 for the rotor For a resolver the terminals are S1 S3 and S2 S4 for stator windings and R1 R2 for the rotor Exc and Exc refer to excitation For Connection Diagrams of the various modes see Appendix B Table 2 1 Synchro Resolver Wiring Connections for Various Modes Input Mode Signal Input Mode External Simulator Mode Simulator Mode Name Pin No Internal Excitation Excitation Internal Excitation External Excitation Ch 0 Ch 1 Synchro Resolver Synchro Resolver Synchro Resolver Synchro Resolver In A 4 14 S1 S1 S1 S1 NC NC NC NC In A 25 35 C S3 C S3 NC NC NC NC In B 5 15 S3 2 S3 2 NC NC NC NC In B 26 36 C S4 C S4 NC NC NC NC In C 9 62 S2 NC S2 NC NC NC NC NC In C
17. 4600 www ueidaq com Vers 45 United Electronic Industries Inc Date February 2012 DNx Al 255 Chap2 fm 2 5 0 2 Z grounded mode DNA DNR AI 255 Synchro Resolver Interface Chapter2 Synchro Resolver Mode Exercise caution when wiring and double check that correct voltage is set on the Al 255 to avoid overloading and permanently damaging the synchro or resolver In Figure 2 11 on page 16 once the data has been sampled the Cube logic corrects the phase by subtracting 30 150 and 270 from S1 S2 and S3 resulting waveforms to yield an ideal voltage representation This transformation is transparent the final result appears as the final Vpp value to user application It is possible to ground the z S3 lines of some synchros to the vehicle s common ground to save on wiring this is called a synchro in z grounded mode For z grounded synchros the S3 input output on the Al 255 is left unconnected The mode must be set for the Al 255 in software when using z grounded mode The modes for the low level API are listed in the table below refer to Chapter 4 for information on low level software programming Mode of Operation Description DQ_AI255_MODE_SI_INTZ Synchro input int exc Z grounded DQ AI255 MODE SI EXTZ Synchro input ext exc Z grounded DQ AI255 MODE SS INTZ Synchro output int exc Z grounded DQ AI255 MODE SS EXTZ Synchro output ext exc Z groun
18. Nx AI 255 AppxB fm Copyright 2012 Inputs Outputs Other Pins United Electronic Industries Inc DNx Al 255 Pin No ChO Ch1 4 14 InA 25 35 InA 5 15 InB 26 36 9 62 30 61 10 20 31 41 44 54 43 53 2 12 23 33 7 17 28 38 OutC 8 18 OutD 29 39 OutD ChO Ch1 24 47 32 42 57 59 6 22 16 34 45 51 40 55 1 3 111 13 27 46 19 21 48 49 37 56 50 52 58 60 DNA DNR AI 255 Synchro Resolver Interface 36 S1 S3 S2 i Source S4 NC of YY Y NC Exc NC NC NC NC NC zl Exc otor Resolver in Input Mode External Excitation Figure B 8 Al 255 in Resolver Input Mode with External Excitation Tel 508 921 4600 Date February 2012 www ueidaq com Vers 4 5 DNx Al 255 AppxB fm Inputs Outputs Other Pins Copyright 2012 United Electronic Industries Inc DNx Al 255 Pin No ChO Ch1 DNA DNR AI 255 Synchro Resolver Interface 4 14 25 35 5 15 26 9 36 62 30 61 10 20 31 41 54 NC NC NC NC NC NC NC NC Simulator Internal Excitation 53 12 33 S1 17 OutC 38 Ou
19. ZN United Electronic V Industries The High Performance Alternative DNx AI 255 User Manual 2 Channel Synchro Resolver I O Interface Layer for the PowerDNA Cube and PowerDNR RACKtangle USPTO Patent 7 957 942 Release 4 5 February 2012 PN Man DNx AI 255 212 DRAFT Copyright 1998 2012 United Electronic Industries Inc All rights reserved No part of this publication may be reproduced stored in a retrieval system or transmitted in any form by any means electronic mechanical by photocopying recording or otherwise without prior written permission Information furnished in this manual is believed to be accurate and reliable However no responsibility is assumed for its use or for any infringement of patents or other rights of third parties that may result from its use All product names listed are trademarks or trade names of their respective companies See the UEI website for complete terms and conditions of sale http www ueidaq com cms terms and conditions Contacting United Electronic Industries Mailing Address 27 Renmar Avenue Walpole MA 02081 U S A For a list of our distributors and partners in the US and around the world please see http www ueidaq com partners Support Telephone 508 921 4600 Fax 508 668 2350 Also see the FAQs and online Live Help feature on our web site Internet Support Support supportQueidag com Web Site www ueidag com FTP Site ftp ftp u
20. agnitude voltage observed between S1 and S3 is Vai Vexe sin A where A is the rotor Polarity and angle in radians Slmilarly the voltage observed between S2 and S4 is Phase vs Vecos Vexc COS A where A is the rotor angle in radians The two output voltages Rotor Angle remain in phase with each other relative to the excitation voltage but differ in magnitude and or polarity relative to excitation as the rotor angle changes as shown in Figure 2 3 0 SINE pm 45 90 TIME 0 COSINE i ine 90 TIME Figure 2 3 SIN and COS Output Voltages vs Rotor Angle VOLTS VOLTS PyVy OEO Copyright 2012 Tel 508 921 4600 www ueidaq com Vers 4 5 United Electronic Industries Inc Date February 2012 DNx Al 255 Chap2 fm DNA DNR AI 255 Synchro Resolver Interface Chapter2 10 Synchro Resolver Mode Tek Run nn Trig d pnr A 6 60V je 200mV A 280us 20 0ys COS output SIN output Excitation 3 gil 10 0 Mi 0oms A Cha 7 0 00V Ch3 10 0V Ch4 10 0V 20 Apr 2009 ii 0 00000 s 11 25 58 Figure 2 4 Resolver Waveforms at 30 Rotor Angle Referring to 2 4 The SIN and COS output voltages are in phase with excitation have the same polarity relative to excitation but have different magnitudes Referring to 2 5 The SIN and COS output voltages are in phase with excitation have
21. as device 1 Configure session synchro resolver input aiSession CreateSynchroResolverChannel United Electronic Industries Inc pdna 192 168 100 2 Dev1 Ai0 1 UeiSynchroMode i3ger Om 5000 0 false It configures the following parameters Sensor Mode the type of sensor synchro or resolver connected to the input channel e Excitation Voltage the amplitude of the excitation sine wave in volts RMS e Excitation Frequency the frequency of the excitation sine wave External Excitation specifies whether you wish to provide external excitation or use the excitation provided by the Al 255 If you want to use different parameters for each channel you can call CreateSynchroResolverChannel multiple times with a different set of chan nels 0 or 1 in the resource string Tel 508 921 4600 www ueidaq com Vers 4 5 Date February 2012 DNx Al 255 Chap3x fm DNA DNR AI 255 Synchro Resolver Interface Chapter 3 21 Programming with the High Level API Note that the external excitation amplitude value that comes back from firmware is a peak to peak voltage that is converted to an RMS value by the framework on the assumption that it is a sinusoidal excitation signal However position transducers may use a square wave or a pulse for excitation As a result the amplitude for these signals will appear to be low and only serve to verify the existence of a signal When using the framework the actual RMS or peak to
22. at 0 left and 180 right 32 Al 255 in Synchro Simulator Mode with External Excitation ssssss 33 Al 255 in Resolver Input Mode with Internal Excitation esses 35 Al 255 in Resolver Input Mode with External Excitation ssssssesssss 36 Al 255 in Resolver Simulator Mode with Internal Excitation sseessss 37 Al 255 in Resolver Simulator Mode with External Excitation sssssss 38 Tel 508 921 4600 www ueidaq com Vers 4 5 Date February 2012 DNx Al 255 ManualLOF fm iv Chapter 1 1 4 Organization of Manual Copyright 2012 United Electronic Industries Inc DNA DNR AI 255 Synchro Resolver Interface Chapter 1 Introduction Introduction This document outlines the feature set of the DNR and DNA AI 255 layer and how to use it for synchro resolver applications This Al 255 User Manual is organized as follows Introduction This section provides an overview of the Al 255 features Synchro Resolver Input and Output Simulator This chapter provides an introduction to the synchro resolver interface features device architecture and connectivity of the Al 256 Programming with the High Level API This chapter provides an overview of the how to create a session configure the session and format relevant data with the Framework API Programming with the Low Level API Desc
23. auses the control transformer rotor to move to the same angle as the transmitter A resolver is a rotary transformer in which the magnitude of the energy through the resolver varies sinusoidally with rotation of the shaft A resolver control transmitter has one primary winding Reference Winding and two secondary windings the SIN and COS windings The reference winding is located on the rotor and the SIN and COS windings are on the stator displaced spatially by 90 If the resolver is a brushless type current is applied through a rotary transformer which eliminates the problems of slip rings and brushes The reference winding is typically excited by an AC voltage The induced voltages in the SIN and COS windings are equal to the reference voltage multiplied by the sine or cosine of the angle of the input shaft relative to a fixed zero position The connection arrangement of a brushless resolver control transformer is illustrated below in Figure 2 2 Lo CSS COS i1 Winding 1 41 Vc Vr cos 0 AA A NI IN SIN WS R20 Rotary MS m ES Transformer 0 Vc Vr sin 9 Oo Sl Figure 2 2 Brushless Resolver Control Transformer Tel 508 921 4600 www ueidaq com Vers 4 5 Date February 2012 DNx Al 255 Chap2 fm 8 DNA DNR AI 255 Synchro Resolver Interface Chapter2 9 Synchro Resolver Mode 2 1 2 1 Voltage A sine wave AC Excitation voltage Vexcis applied between R1 and R2 The M
24. ceiver causing the rotor to track the transmitter rotor The torque produced is proportional to the angle difference between the two rotors Typical accuracy of such a system is 30 arc minutes A single transmitter may be parallel connected to multiple receivers at the cost of reducing accuracy and increasing the power drain from the source Control Transformer A control transformer has a Y connected stator and a single phase cylindrical drum rotor When the stator is connected to the stator of a transmitter and the transmitter rotor is turned relative to the control transformer rotor the magnitude of the control transformer stator field remains constant but a voltage is induced in the rotor The magnitude of this voltage varies with the sine of the angle between the axis of the rotor and that of the stator flux The control transformer therefore provides information about the transmitter rotor angular position Copyright 2012 f Tel 508 921 4600 www ueidaq com Vers 4 5 United Electronic Industries Inc Date February 2012 DNx AI 255 Chap2 fm 2 1 2 The Resolver Copyright 2012 United Electronic Industries Inc DNA DNR AI 255 Synchro Resolver Interface Chapter2 Synchro Resolver Mode If the control transformer rotor angle differs from that of the transmitter a voltage proportional to the sine of the angular difference appears on the control transformer rotor This may be used as an input to a servo control system that c
25. ch sample and also computes other values like Sa Sb Sa Sb or Sa Sb Se where Sa and Sb are computed values of moving averages of analog inputs and Se is the moving average of the excitation voltage value Timing is controlled by counting pulses in half periods between zero crossings of the reference voltage signal More information about the computations performed is available in Chapters 3 and 4 and the API Reference Manuals that describe the high level and low level functions used with this layer 2 3 Setting For detailed instructions for configuring the board and setting operating modes Operating and parameters refer to the Functions DqAdv255SetMode Parameters DqAdv255SetExcitation and DqAdv255GetWFMeasurements which are described in Chapter 3 and also in the PowerDNA API Reference Manual 2 4 Pinout The pinout of the DNx Al 255 62 pin DB connector is shown in Figure 2 10 21 1 e2e0200000000008000008080 42L 9 9 6 e e e o e Hz 999999909 990909090 62 in Signal Rsvd Out B Rsvd In A In B Gnd Out C Out D 9 InC D Chan 0 ONAUBRWHN Signal Gnd Out B n c In A In B Rsvd Out C Out D In C 43 Signal Out A Out A Gnd Rsvd n c Rsvd Rsvd Rsvd Gnd Rsvd Dashed Line represents the isola 15 Chan 1 16 Gnd Out A tion barrier between channels Figure 2 10 Pinout Diagram for DNx Al 255 Copyright 2012 Tel 508 921 4600 United Electronic Industries Inc Date February 20
26. chnical Specifications Inputs Number of channels Configuration Synchro 3 wire or Resolver 4 wire may be selected via software Resolution 16 bit Accuracy 2 6 arc minute Frequency 50 Hz to 4 0 kHz Signal Inputs 2 28 Vrms Acceleration 300 rps s 60 Hz 450 rps s 400 Hz 1000 rps s 4000 Hz Step response 800 mS 179 60 Hz 150 mS 179 2500 Hz Update rate Maximum update rate is equal to the excitation frequency Reference output Number of channels 2 one per input channel Output voltage 28 Vrms up to 1 2 VA Voltage resolution 1 2 mVrms Reference Frequency 50 Hz to 4 kHz 40 5 Synchro Resolver Outputs Number of channels 2 total number of synchro resolver inputs and simulated outputs is limited to 2 Configuration Synchro 3 wire or Resolver 4 wire Resolution 16 bit Output Voltage 28 Vrms up to 1 2 VA Output Accuracy 4 arc minutes General Specifications Operating temperature Tested 40 C to 85 C Vibration IEC 60068 2 6 5 g 10 500 Hz sinusoidal IEC 60068 2 64 5 g rms 10 500 Hz broad band random Shock EC60068 2 27 50 g 3 ms half sine 18 shocks 6 orientations 30 g 11 ms half sine 18 shocks 6 orientations Humidity 5 to 9596 non condensing Altitude 0 to 70 000 feet MTBF 275 000 hours u X P ann Kg J G
27. damaged by a bad voltage setting It is recommended to check the configured voltage with an oscilloscope best set to measure in true RMS mode to ensure that the output voltages are correct Unusual waveforms on an oscilloscope may indicate that thermal limits are being reached normally due to an overloaded synchro and waveforms that drop to zero may indicate that the overvoltage protection was breached and the layer has shut down Overvoltage messages will appear on the serial console and also returns as STS POST OVERCURRENT in the POST word of the layer status of the low level framework Tel 508 921 4600 www ueidaq com Vers 4 5 Date February 2012 DNx Al 255 Chap2 fm 18 DNA DNR AI 255 Synchro Resolver Interface Chapter 3 19 Programming with the High Level API Chapter 3 Programming with the High Level API This section describes how to control the DNx Al 255 using the UeiDaq Frame work High Level API UeiDaq Framework is object oriented and its objects can be manipulated in the same manner from different development environments such as Visual C Visual Basic or LabVIEW The following section focuses on the C API but the concept is the same no matter what programming language you use Please refer to the UeiDaq Framework User Manual for more information on use of other programming languages Also see the BufferedAlSynchroResolver and AnalogInBufferedSynchroRe solver examples provided by the UEI Framework for a sta
28. ded Table 2 2 Z grounded modes of operation from powerdna h The connection diagram for wiring a synchro in z grounded mode is as follows S2 S acnoyt Synchro o Lo et Figure 2 12 Connection in Z grounded mode of Synchro Copyright 2012 United Electronic Industries Inc Tel 508 921 4600 www ueidaq com Vers 4 5 Date February 2012 DNx Al 255 Chap2 fm 17 2 5 0 3 Trouble shooting Copyright 2012 United Electronic Industries Inc DNA DNR AI 255 Synchro Resolver Interface Chapter 2 Synchro Resolver Mode This section describes some of the symptoms observed when the synchro is not wired correctly to the layer Incorrect wiring can be as mild as inaccurate rotor position or as severe as permanently damaging the synchro In the mildest cases the synchro or rotor lines may be in incorrect positions in the terminal panel Reversing the rotor Veyt Vext or stator S1 S2 S3 wires can cause the position of the rotor to be at a wrong angle or rotate clockwise In the more severe cases the rotor may move in a jerky or erratic manner the synchro may hum and may be warm hot to the touch indicating a possible open connection Warm or hot synchro s may also also indicate a short circuit Whereas the layer does have overvoltage protection up to 350Vpyjs and thermal protection the synchro may be permanently
29. eidaq com Product Disclaimer WARNING DO NOT USE PRODUCTS SOLD BY UNITED ELECTRONIC INDUSTRIES INC AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS Products sold by United Electronic Industries Inc are not authorized for use as critical components in life support devices or systems A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system or to affect its safety or effectiveness Any attempt to purchase any United Electronic Industries Inc product for that purpose is null and void and United Electronic Industries Inc accepts no liability whatsoever in contract tort or otherwise whether or not resulting from our or our employees negligence or failure to detect an improper purchase Specifications in this document are subject to change without notice Check with UEI for current status Contents Table of Contents Chapter 1 Introduction 0 0 c ec ee 1 1 1 Organization of Manual 0 00 ec nn 1 1 2 The AI 255 Interface Board 1 lilii ees 3 1 3 Features er lag bres resp erac E dad eae dave bade Gia phe eu RU n 4 1 4 IndiCators 26 Soa A IAE e RA RELIER amp Road EE REA eee 4 1 5 SPECHICALION ss sai sasse mae par siaii Kaa a aei a i REA E a AEN A E daraa E a ai 5 Chapter 2 Synchro Resolver Mode cece eee eee eee tee eee nnn 6 2 1 Overview of Synchros amp Resolvers
30. hase with the excitation voltage or 180 out of time phase The magnitudes of these voltages are V31 3 KVR2 1 sin 0 Vs3 2 KVR2 1 sin 0 sk 120 Vs24 KVR2 1 sin 0 d 240 Copyright 2012 f Tel 508 921 4600 www ueidaq com Vers 4 5 United Electronic Industries Inc Date February 2012 DNx AI 255 Chap2 fm DNA DNR AI 255 Synchro Resolver Interface Chapter2 7 Synchro Resolver Mode where 0 is the rotor position angle Vs4 3 is the voltage between S1 and S3 terminals VR2 1 is the voltage between R2 and R1 terminals and K is the maximum coupling transformation ratio Vouyt Vin Since the set of three voltages transmitted by the synchro generator is unique for each position of the rotor throughout a 360 rotation a synchro receiver whose rotor is excited in parallel with the generator measures the magnitude and time phase relation of the voltages and produces a torque that causes the receiver rotor to move to the same angular position as the transmitter A synchro transmitter and receiver thus form a simple synchro system S Brev DEL x erii des a S Stator e Stator S3 C zd Rotor Rotor CG CR Transmitter AC Excitation Receiver Source Figure 2 1 Typical Synchro Transmitter Receiver Receiver When the transmitter and receiver rotors are in alignment stator voltages are equal and no current flows If the transmitter rotor is turned relative to the receiver rotor a force appears in the re
31. ight 2012 Tel 508 921 4600 www ueidaq com Vers 4 5 United Electronic Industries Inc Date February 2012 DNx Al 255 ManuallX fm
32. ing 2 6 arc minutes Each channel may be configured either as an input or an output in any combination Output accuracy is 4 arc minutes The inputs may be sampled at rates up to the excitation frequency of 4 kHz Each channel provides its own Programmable Reference Voltage with outputs independently programmable from 2 to 28 Vis at 1 2 VA and at frequencies from 50 to 4000Hz The DNx Al 255 also provides two channels of Synchro or Resolver Output ideal for driving devices such as attitude indicators or as test sources for a wide range of synchro or resolver input devices The two outputs each accept an independent reference signal and offer 16 bit output resolution Each channel can drive up to 28 Vi at 1 2 VA without external buffering The Al 255 is available in two versions the DNA AI 255 for mounting in UEI Cube products and the DNR AI 255 for insertion into the UEI RACKtangle and HalfRACK chassis The DNx Al 255 is physically a two board module composed of one of two types of base boards one for the DNA version and another for the DNR version plus an Al 255 specific daughter board The DNA and DNR are functionally the same except for the bus connectors used The DNx Al 255 is fully supported by the UEIDAQ Framework API which provides a simple and complete software interface to all popular programming languages operating systems and data acquisition control application packages such as LabVIEW DASYLab and MATLAB As with a
33. into the source code initialization or other file Examples of Manual Conventions Before plugging any I O connector into the Cube or RACKtangle be sure to remove power from all field wiring Failure to do so may cause severe damage to the equipment Usage of Terms Throughout this manual the term Cube refers to either a PowerDNA Cube product or to a PowerDNR RACKtangle rack mounted system whichever is applicable The term DNR is a specific reference to the RACKtangle DNA to the PowerDNA I O Cube and DNx to refer to both Copyright 2012 f Tel 508 921 4600 www ueidaq com Vers 4 5 United Electronic Industries Inc Date February 2012 DNx AI 255 Chap1x fm DNA DNR AI 255 Synchro Resolver Interface Chapter 1 Introduction 1 2 The Al 255 The DNx Al 255 layer can act as a 2 channel synchro or resolver input or Interface simulator output interface It is suited for a wide variety of industrial military and Board simulator applications The Al 255 functionality is similar to the Al 256 and uses the same subset of Synchro Resolver software functions as the Al 256 but operates at lower frequency lower currents and higher voltages than the Al 256 The board provides two channels that can monitor either 3 A wire plus excita tion synchros or 4 wire plus rotor excitation resolvers or as an alternative pro vide simulated outputs for test and simulator applications It is capable of angle measurement accuracies approach
34. lculated where the angle is calculated from the scope display Figure 2 8 below illustrates how the magnitudes of the SIN and COS output voltages vary with rotor angle The table that follows lists the calculated data points for the graph SIN Resolver Output vs Shaft Angle Output Shaft Angle Figure 2 8 Magnitudes of SIN and COS Output RMS Voltages vs Rotor Angle ae ess sss sss ss eee eee ee eee esses ss ss sees eee Copyright 2012 Tel 508 921 4600 www ueidaq com Vers 4 5 United Electronic Industries Inc Date February 2012 DNx Al 255 Chap2 fm DNA DNR AI 255 Synchro Resolver Interface Chapter2 13 Synchro Resolver Mode 2 2 Device Architecture A block diagram of a DNx Al 255 board is shown in Figure 2 9 Channel 0 Internal Excitation or Analog Outputs ISOLATION or Avionics Equip LOGIC Synchro Resolver 32 bit 66MHz BUS Analog In Out Connector Overvoltage Protection Channel 1 Same as Channel 0 External Excitation DC DC Note Refer to Appendix B for connection diagrams Figure 2 9 Block Diagram of DNx Al 255 I O Board As shown in Figure 2 9 board logic is divided into isolated and non isolated sections The non isolated logic complies with the full UEI Common Logic Interface standard The isolated side handles all functions associated with the sensor input and output circuits The non isolated side handles all Cube or chassi
35. ll UEI PowerDNA boards the DNx Al 255 can be operated in harsh environments and has been tested at 5g vibration 50g shock 40 to 85 C temperature and altitudes up to 70 000 feet Each board provides 350 Vims isolation between channels and also between the board and its enclosure or any other installed boards as well as electro shock discharge ESD isolation Software for the DNx Al 255 is provided as part of the UEI Framework Framework provides a comprehensive yet easy to use API that is compatible with all popular Windows programming languages and that also supports programmers using Linux and most realtime operating systems such as QNX RTX or RT Linux Also UEI Framework can be used for creating applications in LabVIEW MATLAB SImulink DASYLab or any application that supports ActiveX or OPC servers Copyright 2012 f Tel 508 921 4600 www ueidaq com Vers 4 5 Pe een ere Date February 2012 DNx Al 255 Chap1x fm DNA DNR AI 255 Synchro Resolver Interface Chapter 1 Introduction 1 3 Features The features of the DNx Al 255 that are important to note are Two input or output channelsin any combination e 16 bit Resolution e 3 4 wire plus excitation Synchro and 4 wire plus excitation Resolver Inputs e Reference excitation Output 28 Vig for each channel with 1 2 mV resolution e User programmable Excitation Frequency Range of 50 Hz to 4 kHz 40 5 for Each Channel e Each channel can drive up to 28 Vims without Exte
36. nal panel Copyright 2012 Tel 508 921 4600 www ueidaq com Vers 4 5 United Electronic Industries Inc Date February 2012 DNx Al 255 AppxA fm 28 DNA DNR AI 255 Synchro Resolver Interface Appendix B Connection Diagrams for S R Operating and Excitation Modes Typical Input Circuits f Typical Output Circuit To 232k rom lt A D A eer A diff L AID 6 8kS 150pF WS WS Y 932k Z Channel ANNA A r A Ground 6 8kS 50pF VW Vv Vv DNx Al 255 Pin No ChO Ch1 4 14 InAt 25 35 IMA Be C 5 15 InB indicates Inputs 26 36 InB W optional conn If center point is 9 62 Inest not wired leave 30 61 Ino e InA InB InC 10 20 InD unconnected 31 41 mD NE Rotor 44 54 OutA NC 43 53 OutA NC NC Outputs NC NC NC R1 R2 Synchro in Input Mode Internal Other Excitation Pins Figure B 1 Al 255 in Synchro Input Mode with Internal Excitation Copyright 2012 Tel 508 921 4600 www ueidaq com Vers 4 5 United Electronic Industries Inc Date February 2012 DNx AI 255 AppxB fm DN Inputs Outputs Copyright 2012 United Electronic Industries Inc X Al 255 Pin No ChO Ch1 4 14 25 35 InA 5 15 InB
37. nd write samples The Al 255 simulates angle positions entered in radians create a writer and link it to the session s analog output stream CUeiAnalogScaledWriter aiWriter aoSession GetDataStream to write a value the buffer must contain one value per channel double data 2 1 0 2 0 write one scan where the buffer contains one value per channel aoWriter WriteSingleScan data 3 8 Cleaning up The session object will clean itself up when it goes out of scope or when it is the Session destroyed To reuse the object with a different set of channels or parameters you can manually clean up the session as follows clean up the sessions aiSession CleanUp aoSession CleanUp Copyright 2042 l Tel 508 921 4600 www ueidaq com Vers 4 5 United Electronic Industries Inc Date February 2012 DNx AI 255 Chap3x fm DNA DNR AI 255 Synchro Resolver Interface Chapter4 23 Programming with the Low level API Chapter4 Programming with the Low level API This chapter illustrates how to program the PowerDNA cube using the low level API The low level API offers direct access to PowerDNA DAQBios protocol and also allows you to access device registers directly However we recommend that when possible you use the UeiDaq Framework High Level API see Chapter 3 because it is easier to use You should need to use the low level API only if you are using an operating system other than Win dows NOTE This chap
38. ndependent reference signal and offer 16 bit output resolution Each channel can drive up to 28 Vims at 1 2 VA without external buffering 2 1 Overview of Synchros and resolvers are electromechanical transducers that are used either Synchros amp to detect and measure a rotary shaft position or to position a shaft at a desired Resolvers angle The devices can be further classified as transmitters receivers differentials or control transformers 2 4 4 The Synchro Synchros were originally called selsyns for self synchronous A generator and receiver are wired together so that the angular position of the generator transmitter shaft is automatically reproduced in the motor receiver Although they may appear to be similar in construction to synchronous motors and generators the major difference between them is that the rotor of a synchro is excited with an AC voltage rather than a DC voltage In other words a synchro is a single phase device with AC rotor excitation and a synchronous motor or generator is typically a 3 phase time phase device with DC rotor excitation The rotor of a synchro normally has a single phase winding usually referred to as a dumbbell rotor The stator has 3 windings connected in a star configuration at 120 The AC voltage applied to the rotor winding induces AC voltages in three stator windings which are spatially displaced 120 apart The voltages induced in the stator windings are either in time p
39. pendix A The following cables and STP boards are available for the Al 255 layer DNA CBL 62 This is a 62 conductor round shielded cable with 62 pin male D sub connectors on both ends It is made with round heavy shielded cable 2 5 ft 75 cm long weight of 9 49 ounces or 269 grams up to 10ft 305cm and 20ft 610cm DNA STP 62 The STP 62 is a Screw Terminal Panel with three 20 position terminal blocks JT1 JT2 and JT3 plus one 3 position terminal block J2 The dimensions of the STP 62 board are 4w x 3 8d x1 2h inch or 10 2 x 9 7 x 3 cm with standoffs The weight of the STP 62 board is 3 89 ounces or 110 grams JT3 20 position terminal block 22 1 43 23 2 44 24 3 45 25 4 46 26 5 47 27 6 48 28 GND i0 0j0 ojo ojo o 0o 0 ojo o o o o o o o o 43 JT2 20 position terminal block 55 13 JT1 20 position terminal block J2 5 position terminal block SHIELD GND 62 42 21 34 54 12 2 EISPIFSIS 33 53 11 32 52 10 31 51 i 30 50 8 29 49 olo jojojojojojojojojojojojojojojojojojo olojojojojojojojojojojojojojojojojojojo m d to J2 to JT1 to JT2 to JT3 Figure A 1 Pinout and photo of DNA STP 62 screw termi
40. put with internal excitation The Al 255 reads the voltages on the stator coils as analog inputs and also supplies the excitation volt age to the rotor coil e Synchro Input with external excitation The Al 255 reads the volt ages on the stator coils as analog inputs An external source supplies the excitation voltage to the rotor coil which is readback by the Al 255 as an analog input Resolver Input with internal excitation The Al 255 reads the volt ages on the stator coils as analog inputs and also supplies the excitation voltage to the rotor coil s Resolver Input with external excitation The Al 255 reads the volt ages on the stator coils as analog inputs An external source supplies the excitation voltage to the rotor coil s which is readback by the Al 255 as an analog input Synchro Simulation with internal excitation The Al 255 outputs volt ages that simulate the analog signals from stator coils of a synchro It also outputs an analog excitation voltage generated in the Al 255 e Synchro Simulation with external excitation The Al 255 outputs voltages that simulate the analog signals from stator coils of a synchro Excitation voltage is supplied by an external source and read back by the Al 255 as an analog input e Resolver Simulation with internal excitation The Al 255 outputs voltages that simulate the analog signals from stator coils of a resolver It also outputs an analog excitation voltage generated in the Al
41. ram 13 C Cable s 28 Cleaning up the Session 22 Configuring for Input 20 Configuring the Resource String 20 Configuring the Timing 21 Connection Diagrams 15 29 Connection Modes 15 Conventions 2 Creating a Session 20 H High Level API 19 Isolation 3 J Jumper Settings 5 15 L Low level API 23 Low Level Functions 27 DNA DNR AI 255 Synchro Resolver Interface 39 Index Programmable Reference Voltage 3 6 R Reading Data 22 Resolver Input Mode with External Excitation 36 Resolver Input Mode with Internal Excitation 35 Resolver Input with external excitation 24 Resolver Input with internal excitation 24 Resolver Simulation with external excitation 24 Resolver Simulation with internal excitation 24 Resolver Simulator Mode with ext excitation 38 Resolver Simulator Mode with Internal Excitation 37 S Screw Terminal Panels 28 Setting Operating Parameters 4 14 Simulated Synchro Resolver Output 21 Specifications 5 Support ii Synchro Input Mode with External Excitation 30 Synchro Input Mode with Internal Excitation 29 Synchro Input with external excitation 24 Synchro Input with internal excitation 24 Synchro or Resolver Output 3 6 Synchro Simulation with external excitation 24 Synchro Simulation with internal excitation 24 Synchro Simulator Mode with ext excitation 33 34 Synchro Simulator Mode with Internal Excitation 31 O W Organization 1 Wiring Connections 25 P Writing Data 22 Pinout 15 Copyr
42. ribes low level API commands for configuring and using the Al 255 series layer for Synchro Resolver LVDT RVDT operating modes Appendix A Accessories This appendix provides a list of accessories available for use with the DNx Al 255 Synchro Resolver interface board Appendix B Connection Diagrams This appendix contains connection diagrams for various operating and synchro resolver excitation modes of the DNx Al 255 interface board Index This is an alphabetical listing of the topics covered in this manual Tel 508 921 4600 www ueidaq com Vers 4 5 Date February 2012 DNx Al 255 Chap1x fm 1 DNA DNR AI 255 Synchro Resolver Interface Chapter 1 Introduction Manual Conventions To help you get the most out of this manual and our products please note that we use the following conventions Tips are designed to highlight quick ways to get the job done or to reveal good ideas you might not discover on your own NOTE Notes alert you to important information CAUTION Caution advises you of precautions to take to avoid injury data loss and damage to your boards or a system crash Text formatted in bold typeface generally represents text that should be entered verbatim For instance it can represent a command as in the following example You can instruct users how to run setup using a command such as setup exe Text formatted in ixed typeface generally represents source code or other text that should be entered verbadim
43. rnal Buffering e Isolation up to 350 Vis between channel and between l O s and GND e Weight of 136 g or 4 79 oz for DNA AI 255 817 g or 28 8 oz with PPC5 e Tested to withstand 5g Vibration 50g Shock 40 to 85 C Temperature and Altitude up to 70 000 ft or 21 000 meters e UEI Framework Software API may be used with all popular Windows programming languages and most real time operating systems such as RT Linux RTX or QNX and graphical applications such as LabVIEW MATLAB DASYLab and any application supporting ActiveX or OPC 1 4 Indicators A photo of the DNx Al 255 unit is illustrated below The front panel has two LED indicators e RDY indicates that the layer is receiving power and operational e STS can be set by the user using the low level framework DNA bus connector RDY LED STS LED DB 62 female 62 pin I O connector Figure 1 1 The DNR Al 255 Analog Input Layer sei Copyright 2012 Tel 508 921 4600 www ueidaq com Vers 4 5 Pine teetering emirate Date February 2012 DNx Al 255 Chap1x fm DNA DNR AI 255 Synchro Resolver Interface Chapter 1 Introduction 1 5 Specification The technical specification for the DNx Al 255 board are listed in Table 1 1 Table 1 1 DNx Al 255 Te
44. rting point GI EDAD RUPUR UR M ER RES GM WO CENCERRN NUUAM MCI ME M r Lv JV Q esaemnti Copyright 2012 f Tel 508 921 4600 www ueidaq com Vers 4 5 United Electronic Industries Inc Date February 2012 DNx AI 255 Chap3x fm Copyright 2012 Creating a Session DNA DNR AI 255 Synchro Resolver Interface Chapter 3 20 Programming with the High Level API The Session object controls all operations on your PowerDNx device Therefore the first task is to create a session object create a session object for input and a session object for output CUeiSession aiSession CUeiSession aoSession Configuring the Resource String Configuring for Input UeiDaq Framework uses resource strings to select which device subsystem and channels to use within a session The resource string syntax is similar to a web URL device class gt lt IP address gt lt Device Id Subsystem Channel list For PowerDNA and RACKtangle the device class is pdna For example the following resource string selects analog input lines 0 1 on device 1 at IP address 192 168 100 2 pdna 192 168 100 2 Dev1 Ai0 1 The Al 255 can be configured for synchro resolver input Use the method CreateSynchroResolverChannel to program the input channels and parameters associated with each channel The following call configures the analog input channels of an Al 255 set
45. s measured between two lines not ground referenced This is the rms line to line voltage V measured across two of the three stator wires Vs1 3 V83 2 Or Vs2 4 as seen on page 6 or the excitation wires Veyt Vo The user must convert between the line to line RMS voltage amplitude V from the synchro specification and the peak to peak output to ground voltage amplitude Vpp that is the parameter needed by the Al 255 driver Convert between Vi and Vpp with the relation Va 2 3 s 1 63299V PP 2sin 120 7 LL or using the low level software macro from powerdna h define DQ AI255 RMS LN LN TO PP V V 1 633 where input parameter V is Vj and the resulting output is Vpp Additionally the low level API also defines a macro to convert from V to Vas define DQ AI255 RMS LN LN TO RMS V V 0 5774 where input parameter V is the line to line voltage V and the result is in volts RMS referenced to ground Vpys The constant 0 5774 is 1 2 sin 120 As an example a synchro with the rms excitation voltage of 23 5V between Ve and Va will need a ground referenced peak to peak voltage of 66 4V set for the Al 255 since 66 4V 2 4 2 23 5V no phase adjustment necessary The same synchro s rms stator voltage of 11 8V that is the rms voltage between any two stator connections responsible for positioning the rotor should have a maximum peak to peak voltage span of 19 26V 11 8V 1 633 2 2 Copyright 2012 Tel 508 921
46. s related operations Referring to Fig 2 9 the two analog inputs from the synchro or resolver sensor are input to the programmable gain amplifiers one per input pair as differential inputs Selected gain and offset are applied producing single ended outputs These outputs are then converted to differential signals for input to 16 bit SAR analog to digital converters These converters have serial interface outputs The signals from the ADC are passed to a 16 bit quad DAC combined with Vr_r voltage amplified and output to a sensor resolver or avionic hardware Refer to Appendix B for connection diagrams Copyright 2012 Tel 508 921 4600 www ueidaq com Vers 4 5 United Electronic Industries Inc Date February 2012 DNx AI 255 Chap2 fm DNA DNR AI 255 Synchro Resolver Interface Chapter2 14 Synchro Resolver Mode The DACs may be written from multiple sources such as Direct DAC write registers Direct DAC output word register Output FIFO 1024 word FIFO may be used to hold DAC values or com mands in simulation mode e Waveform generator which permits you to output a preloaded wave form on the output channels for simulation purposes Combination waveform and FIFO with FIFO in command mode In this mode output from FIFO may be directed to phase or gain registers or change may be delayed until the index of waveform is equal to zero The logic computes moving averages of all analog inputs updated with ea
47. sesssseeneeneeeenn 4 Typical Synchro Transmitter Receiver sesssssseeeeene eene 7 Brushless Resolver Control Transformer ssssssseeee eene 8 SIN and COS Output Voltages vs Rotor Angle sssee 9 Resolver Waveforms at 30 Rotor Angle sssssssseeene enn 10 Resolver Waveforms at 135 Rotor Angle ssssssseseeeeene enne 10 Resolver Waveforms at 45 Rotor Angle ssssssssee eee 11 Synchro Waveforms at 0 Rotor Angle sssssessssseeen 11 Magnitudes of SIN and COS Output RMS Voltages vs Rotor Angle 12 Block Diagram of DNx Al 255 1 0 Board ssssseeeee menn 13 Pinout Diagram for DNx Al 255 sssssssssssssseeeeneee eee mne enne 14 Peak to peak voltage measurement of Synchro sssssssseeenee 16 Connection in Z grounded mode of Synchro sssssssseeeeeeen 17 Pinout and photo of DNA STP 62 screw terminal panel ssssssssssss 28 Al 255 in Synchro Input Mode with Internal Excitation seseesess 29 Al 255 in Synchro Input Mode with External Excitation eese 30 Al 255 in Synchro Simulator Mode with Internal Excitation ssssssss 31 PowerDNA Explorer in Simulator Mode Int Exc 180 sseeeeeeesessesess 32 Waveforms for Simulator Mode w Int Exc
48. tC 18 39 OutD ChO Ch1 24 47 32 42 57 59 6 22 45 51 1 3 27 46 48 49 50 52 Figure B 9 Al 255 in Resolver Simulator Mode with Internal Excitation 16 34 40 55 1 3 11 13 19 21 37 56 58 60 Tel 508 921 4600 Date February 2012 33 2 S4 Opt R4 Exc R1 pao asd www ueidaq com Opt RO t Y zT otor DNx Al 255 AppxB fm 37 DNA DNR AI 255 Synchro Resolver Interface i Source 38 NC NC NC NC NC NC 1 DNx Al 255 Pin No ChO Ch1 4 14 InA 25 35 InA 5 15 InB Inputs 26 36 9 62 30 61 10 20 31 41 44 54 43 53 Outputs 2 12 23 33 7 17 28 38 8 18 29 39 ChO Ch 24 47 32 42 NC bm 57 59 ther 6 22 16 34 GND Pins 45 5140 55 1 3 111 13 27 46 19 21 48 49 37 56 50 52 58 60 Copyright 2012 United Electronic Industries Inc S3 S2 S4 NC Simulator External Excitation Exct oe Exc e Rotor NC NC NC Figure B 10 Al 255 in Resolver Simulator Mode with External Excitation Tel 508 921 4600 Date February 2012 www ueidaq com Vers 4 5 DNx Al 255 AppxB fm A Architecture 13 B Block Diag
49. ter contains descriptive information about the various operating modes and wiring connections of the Al 255 and descriptions of the low level functions that may be used in programming this module These functions can also be used by the AlI 256 Note however that the Al 255 only has lower frequencies and current than the Al 256 For additional information about low level programming of the Al 255 please refer to the PowerDNA API Reference Manual document under Start Programs UEI PowerDNA Documentation For a good starting point please consider reviewing the examples for the Al 255 that are Sample255 input and Sample255 Simulation output under Start Programs UEI PowerDNA Examples zr pepe m o 0 A GJ ET Copyright 2012 f Tel 508 921 4600 www ueidaq com Vers 4 5 United Electronic Industries Inc Date February 2012 DNx Al 255 Chap4 fm DNA DNR AI 255 Synchro Resolver Interface Chapter4 24 Programming with the Low level API 4 1 DNx Al 255 The basic modes of operation supported by an DNx Al 255 channel are Modes of i Synchro Input Operation Resolver Input e Synchro Output Simulator Resolver Output Simulator There are eight Synchro or Resolver modes of operation Functions performed by the eight modes of operation supported by this layer may be described as follows Synchro In
50. termined by the Al 255 on board clock and data is transferred one scan at a time between PowerDNA and the host PC In buffered mode the delay between samples is determined by the Al 255 on board clock and data is transferred in blocks between PowerDNA and the host PC Copyright 2012 Tel 508 921 4600 www ueidag com Vers 4 5 United Electronic Industries Inc Date February 2012 DNx Al 255 Chap3x fm DNA DNR AI 255 Synchro Resolver Interface Chapter 3 22 Programming with the High Level API The following sample shows how to configure the simple mode Please refer to the UeiDaq Framework User s Manual to learn how to use other timing modes configure timing of input for point by point simple mode for AI aiSession ConfigureTimingForSimpleIO configure timing of input for point by point simple mode for AO aoSession ConfigureTimingForSimpleIO 3 6 Read Data Reading data is done using reader object s The following sample code shows how to create a scaled reader object and read samples create a reader and link it to the analog input session s stream CUeiAnalogScaledReader aiReader aiSession GetDataStream the buffer must be big enough to contain one value per channel double data 2 read one scan where the buffer will contain one value per channel aiReader ReadSingleScan data 3 7 Write Data Writing data is done using a writer object The following sample shows how to create a scaled writer a
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