Eight-Channel Programmable Filter and Gain Signal Conditioning
Contents
1. in Figure 4 O On HO O O O ji 3 m L NEL o BOARI E ss a a REM O a 007 014 7024 034 r 044054 067 r 07 y 156 7 1577 1587 1597 6027 1617 62271637 O WM HLGHLGHLGHLGHLGHLGHLGHLG GLHGLHGLHGLHGLHGLHGLHGLH T JHLGHLGHLGHLGHLGHLGHLGHLG B GLHGLHGLHGLHGLHGLHGLHGLH 10 A 082 092 102 t 112 t 122 132 142 154 Las Lao tso 4b 519 5622 53J 54J 552 Q O a A n A a LO gi H I n n EH O p 165 11771187119 r207 1217 7225 r 23 403 r417 14271437 14471457 r464 r474 O O HLGHLGHLGHLGHLGHLGHLGHLG GLHGLHGLH HGLHGLHGLHGLH W O0 lHLGHLGHLGHLGHLGHLGHLGHLG GLHGLHGLHGLHGLHGLHGLHGLH Y A H24 4 L254 26 J 27 J 282 29 1 L30 2 031 J L 322 33 342J 357 362 372 38 2 39 e Q ep o L L H Na E m El ll D Figure 1 VT1503A C Size Terminal Module Connections 4 VT1503A Amplifier Filter SCP Connecting To The Terminal Module2. 007 r 01 r 02 r 03 r 04 1r 05 064 7 074 r274r284r294r304 314 HLGHLGHLGHLG HLGHLGHLGHLG GLHGLHGLHGLHGLH SCP O LILILILI eet I pp sqq pope 3 SCP 3 LIS HIS L Hi GND LCALHCAL LO Hi Sg pue 35 SE OHMS o manes Oo O B HHJRRH DO NOT USE CENTER BLOCK FOR CH 32 63 SCP 1 SCP 2 O 084 097 104 115 7124713414415 1167 1177 71847195 207 217 1227 7234 ZA HLGHLGHLGHLGHLGHLGHLGHLG j GLHGLHGLHGLHGLHGLHGLHGLH Figure 2 VT1503A B size Terminal Module Connections Ch 00 31 F TITHTHITTITHTHTHITHTHITI r 325 1337 7345 r354 6364 374 7384 p 397 564 r577 583 r 59 r604 r614 r624 r634 HLGHLGHLGHLGHLGHLGHLGHLG G6 LHGLHGLHGLHGLHGLHGLHGLH en SCD SCP 4 JLILILI LLLI LILILJILI SCP 7 LIS HIS LT HTl GND LCALHCAL LO HI 2 amp i oF OHMS ERRE nes O o ERRER DO NOT USE CENTER BLOCK FOR CH 32 63 SCP 5 l SCP 6 O 404 p414 r A24 432 449 1457 1467 47 XA r48 497 r50 r 514 r524 r534 1547 r 554 HLGHLGHLGHLGHLGHLGHLGHLG GLHGLHGLHGLHGLHGLHGLHGLH Figure 3 VT1503A B size Terminal Module Connections Ch 32 63 eu A
3. Specifications These specifications for the VT1503A reflect the combined performance of the VT1413C or Agilent HP E1313 and the VT1503A Signal Conditioning Plug on These specifications are not to be added to those presented in the VT1413C Agilent HP E1313 User s Manual General Specifications SCP Current Requirements 5Vmax 24Vtyp 24Vmax 24Vtyp 24Vmax in Amps 0 01 0 04 0 06 0 04 0 06 Measurement ranges 3 9 mV to 16V FS DC Volts Thermocouples 200 to 1700 C Temperature Thermistors Opt 15 required 80 to 160 C RTD s Opt 15 required 200 to 850 C Opt 15 required 128Q to 131 KQ FS Resistance 25 000 we or limit of linear range of strain gage Strain Maximum input voltage Operating lt 16 V peak Damage level gt 42 V peak Normal mode plus common mode Maximum common mode Operating lt 16 V peak Damage level gt 42 V peak voltage Normal mode rejection 2 Hz Filter 10 Hz Filter 100 Hz Filter Filter Off 2 Hz 3 dB 10 Hz 3 dB 100 Hz 3 dB 1 5 kHz 60 Hz 7 45 dB 60 Hz 7 20 dB 400 Hz 15 dB approx 3 dB Common mode rejection Gain X1 Gain X8 Gain X64 e 7 100 dB gt 116 dB 7 132 dB Input impedance 100 MO 10 each differential input to ground Maximum tare cal offset Maximum tare offset depends on A D range and SCP gain A D range Offset V Offset V Offset V V F Scale Gain x1 Gain x8 Gain x64 16 3 2213 0 40104 0 0
4. J SCP 0 SCP 2 pb SCP 5 SCP 7 LHL GGIHLHLHLHL GG GG LHLH LH LH GG LH LH LH LQ5L06 L07 JLGO L20 JL 212022 JU 23 JILG CG5 402UC41 422UC43 J CG7 56 057 JU 58 J LALA HL HL HLHL LHLH LHLHILHLHLHLHLH LOQOYLO1JL02 JLO3ILO4 IL 16 JL 17 JL18JL19 JJ S 442 45 IL 4647 1 59 206020 612062 JL 632 SCP 1 SCP 3 o SCP 4 SCP 6 L GG HL LGG GGLHLHIGGLHLH Usa Lim LG L3Q4L 3 JL 332 G42 322 332 Las 489497 HLIHLHLHL LHLHLHI ILHLH LH bt 1 Jb yb 137 27984993 34213532436 L5QIL5 C523 r084r094r 102 5242 72547264 Sar Bar 39 53 54 r554 HLJLH HL O LHLHLH LHLHLH Ey Ci Figure 4 Agilent HP E1413 Option 13 Terminal Module Connections Connecting To The Terminal Module VT1503A Amplifier Filter SCP 5 Programming With SCPI Commands The SCPI commands shown here are covered in Chapters 3 and 5 of your VT1413C or Agilent HP E1313 manual This section will relate those commands to the parameter values which are specific to this Plug on Checking the ID To verify the SCP type s installed on the VT1413C or Agilent HP E1313 of the SCP _ use the SYSTem CTYPe lt channel gt command e The channel parameter specifies a single channel in the channel range covered by the SCP of interest The first channel number for each of the eight SCP positions are 0 8 16 24 32 40 48 and 56 The value returned for the SCP in an Agilent HP E1413B is HEWLETT PACKARD E1413 Opt 13 8 Channel Amp Filter SCP 0 0 The returned value for the SCP in a VT1413C o
5. Setting the Filter Cut Off The register based commands shown here are covered in Appendix D ofthe VT1413C or Agilent HP E1313 manual You should read that section first to become familiar with accessing registers and executing Register Based Commands This section will relate those commands to the parameter values which are specific to this Plug on When Register Programming an SCP most communication is through the Signal Conditioning Bus For that you will use the Register Commands SCBWRITE lt regaddr gt lt regvalue gt and SCBREAD lt regaddr gt VT1503A Register Map Read returned value Write lt regvalue gt SCP Register lt regaddr gt Value SCP ID EOE016 Whole SCP Reg 0 00ppp0000005 SCP Gain Scale XXX316 Whole SCP Reg 1 00ppp0000015 Channel Gain XXX016 1 XXX116 8 XXX216 64 Channel Reg 1 Olpppccc0012 Channel Frequency XXX016 2Hz XXX116 10Hz Channel Reg 2 Olpppccc0102 XXX216 100Hz XXX3 6 Straight Through XX don t care ppp Plug on ccc SCP channel In addition you will access bits in the Card Control register to control Open Transducer Detection To query an SCP for its ID value write the following value to Parameter Register 1 SCP number x 40 Then write the opcode for SCBREAD 080016 to the Command Register The ID value will be written to the Query Response Register To set the filter cut off frequency for an SCP channel write the following SCP channel ad
6. 01 16 uV 16 uV 16 uV 16 uV 56 uv 46 uV 2 0 0196 61 uV 61 uV 61 uV 61 uV 225uV 188 uV SENSe FILTer LPASs STATe ON max scan rate 100 rdgs sec channel 7 4 uV and 6 3 uV when temp gt 40 C Temperature Coefficients Gain 15 ppm C after CAL Offset Add tempco fixed offset to offset above Temp Tempco 2Hz 10 Hz 100 Hz Filt Off 0 30 C 0 164V C 0uV OuV OuV OuV 30 40 C 0 184VPC 43uV 2 7 uV luv 0 2 uV 40 55 C 039uVPC 134V 10 4V 6 2 uV 0 8 uV Range Linearity Offset Error Noise Noise V FS of rdg 2Hz 10Hz 100Hz Filt Off 3sigma 3sigma Gain X64 0 0039 0 0196 2 9 uV 2 3 uV 2 1 uV 2 1 uV 1 6 uV 1 3 a V 0 0156 0 01 3 uV 2 4 uV 2 2 uV 22uV 22uV 1 9u V 0 0625 0 01 3 5 uV 3 uV 2 9 uV 2 9 uV 7 UN 5 7 uV 0 25 0 01 8 2 uV 8uV 8uV 8uV 28 uV 23 uV SENSe FILTer LPASs STATe ON max scan rate 100 rdgs sec channel 1 9 uV and 1 7 uV for 100 Hz Filter 2 5 uV and 2 2 uV when temp gt 40 C Temperature Coefficients Gain 15 ppm C after CAL Offset Add tempco fixed offset to table above Temp 0 30 C 30 40 C 40 55 C Tempco 2 Hz 10 Hz 100 Hz Filt Off 0 16 u V C O0 uV O0 uV 0 uV 0 uV 0 184V C 1 1u4V 0 2 uV 0 1 uV 0 1 uV 0 39 uV C 6uV 1 4 uV 0 6 uV 0 6 uV Specifications VT1503A Amplifier Filter SCP 13 Measurement accuracy Temperature simplified specifications see temperature accuracy graphs in the VT1413C or Agilent HP E1313 manual for detai
7. 4970 0 82101 0 10101 0 01220 1 0 23061 0 02721 0 00297 0 25 0 07581 0 00786 0 00055 0 0625 0 03792 0 00312 N A 12 VT1503A Amplifier Filter SCP Specifications Measurement accuracy 90 days 23 C 1 C with CAL done after 1 hr warm up and CAL ZERO done within 5 min If autoranging is ON add 0 02 FS to accuracy specifications DC Volts For Agilent HP E1313 multiply Noise Spec by 1 4 Range Linearity Offset Error Noise Noise Gain X1 V FS of rdg 2Hz 10 Hz 100Hz Filt Off 3 sigma 3 sigma 0 0625 0 01 13 uV 9 5 uV 6 8 uV 6 3 uV 45 uV 26 uV 0 25 0 01 15 uV 12 5 uV 11 2 uV 10 8 V 63 uV 31 uV 1 0 01 33 uV 31 8 uV 31 3 uV 31 2 uV 112 uV 93 uV 4 0 01 123uV 1224V 1224V 122uV 450uV 366uV 16 0 01 488 uV 488 uV 488 uV 488 uV 1 8 mV 1 5 mV SENSe FILTer LPASs STATe ON max scan rate 100 rdgs sec channel Temperature Coefficients Gain 15 ppm C after CAL Offset Add tempco fixed offset to offset above Temp Tempco 2 Hz 10 Hz 100 Hz Filt Off 0 30 C 0 16 u V C O0 uV 0 uV 0 uV 0 uV 30 40 C 0 18uVPC 13uV 9 uV 1 1 uV 0 2 uV 40 55 C 0 339 4VPC 3luV 22 uV 6 4 uV 1 1 uV Range Linearity Offset Error Noise Noise V FS of rdg 2Hz 10Hz 100Hz Filt Off 3sigma 3sigma Gain X8 0 0078 0 0196 4 6 uV 4 2 uV 3 8 uV 3 7 uV 5 8 uV 4 9 uV 0 031 0 01 4 8 uV 4 6 uV 4 4 uV 4 3 uV 6 9 uV 5 9 uV 0 125 0 01 6 uV 5 3 uV 5 uV 4 9 uV 14 uV 12 uV 0 5 0
8. C 200 to 400 C OFF 1 35 C 0 25 C 0 10 C 0 15 C ON 1 35 C 0 22 C 0 10 C 0 13 C SENSe FILTer LPASs STATe ON max scan rate 100 rdgs sec channel 14 VT1503A Amplifier Filter SCP Specifications Measurement accuracy Temperature cont Thermistors 5 kQ Reference Thermistor Use Gain X8 simplified specifications see temperature accuracy graphs in VT1413C or Agilent HP E1313 manual for details A D Filter 0 to 45 C 45 to 65 C 65 to 85 C OFF 0 0035 C 0 0045 C 0 0072 C ON 0 0035 C 0 0045 C 0 0068 C 100 Q Reference RTD Use Gain X64 A D Filter 125 to 70 C OFF 0 080 C ON 0 080 C 100 O RTD Use Gain X64 A D Filter 200 to 75 C 75 to 300 C 300 to 600 C 600 to 970 C OFF 0 08 C 0 21 C 0 27 C 0 379 ON 0 07 C 0 18 C 0 25 C 0 35 C 2252 Q Thermistor Use Gain X8 A D Filter 10 to 40 C 40 to 70 C 70 to 83 C 83 to 100 C OFF 0 0055 C 0 0065 C 0 0077 C 0 010 C ON 0 0055 C 0 0065 C 0 0077 C 0 010 C 5 kO Thermistor Use Gain X8 A D Filter 10 to 20 C 20 to 40 C 40 to 65 C 65 to 85 C OFF 0 0085 C 0 010 C 0 016 C 0 018 C ON 0 0082 C 0 010 C 0 015 C 0 018 C 10 kQ Thermistor Use Gain X8 A D Filter 0 to 30 C 30 to 60 C 60 to 90 C 90 to 115 C OFF 0 010 C 0 012 C 0 018 C 0 022 C ON 0 010 C 0 012 C 0 018 C 0 021 C Specifications VT1503A Amplifier Filter SCP 15 Notes 16 VT1503A Amplifier Filter SCP Specifi
9. Eight Channel Programmable Filter and Gain Signal Conditioning Plug on VT1503A User s Manual The VT1503A manual also applies to Agilent HP E1413Bs as E1413 Option 13 Enclosed is the User s Manual for the VT1503A Signal Conditioning Plug on Insert this manual in your VT1413C Agilent HP E1313 or VT1415A manual behind the Signal Conditioning Plug ons divider mE VXI Technology Copyright O VXI Technology Inc 2003 Manual Part Number 82 0079 000 Printed June 16 2003 Printed in U S A VT1503A Eight Channel Programmable Filter and Gain Signal Conditioning Plug on Introduction About this Manual Installation The VT1503A is a Signal Conditioning Plug on that provides eight programmable low pass filters with cutoff frequency settings of 2 10 and 100 Hertz Hz as well as a 1 5 kHz pass through mode filter OFF The eight programmable input amplifiers provide gains of 1 8 and 64 Also provided is input over voltage protection and open transducer detection on each channel Except where noted all references to the VT1413C apply to the Agilent HP E1313 and VT14154A This manual shows you how to control the Signal Conditioning Plug on SCP using SCPI commands as well as Register Based commands and explains the capabilities of this SCP Finally it covers specifications for this SCP The contents of this manual are e Installation 3 e Identifyin
10. cations
11. ces which are multiples of 4 The following table shows the gain and range combinations A D Range gt 16V 4V 1v 0 25 V 0 0625 V SCP Gain Y A D gain 1 A D gain 4 A D gain 16 A D gain 64 A D gain 256 1 1 4 16 64 256 8 8 32 128 512 2 048 64 64 256 1 024 4 096 not allowed Querying the Amplifier Gain Detecting Open Transducers To set channels 32 through 47 and 63 to a channel gain of 8 and channels 48 through 55 to a channel gain of 64 send INP GAIN 8 132 147 163 INP GAIN 64 148 155 send separate command per gain factor To query any channel to determine its gain setting use the INPut GAIN lt channel gt command The INP GAIN command returns the current gain value for the specified channel e The channel parameter must specify a single channel To query the gain setting of channel 8 send INP GAIN 108 enter statement here query channel 8 returns 1 8 or 64 This SCP provides a method to detect open transducers When Open Transducer Detect OTD is enabled the SCP injects a small current into the HIGH and LOW input of each channel The polarity of the current pulls the HIGH inputs toward 17 volts and the LOW inputs towards 17 volts If a transducer is open measuring that channel will return an over voltage reading OTD is available on a per SCP basis all eight channels of an SCP are enabled or disabled together See Figure 5 for a simplified schematic diagram
12. dress to Parameter Register 1 200 SCP number x 40 SCP channel number x 8 2 Write one of the following cut off values to Parameter Register 2 000016 for 2Hz 000116 for 10Hz 000216 for 100Hz 000316 for Straight Through Then write the opcode for SCBWRITE 081016 to the Command Register 10 VT1503A Amplifier Filter SCP Register Based Programming Setting the Amplifier Gain Detecting Open To set the amplifier gain for an SCP channel write the following SCP channel address to Parameter Register 1 200 SCP number x 40 SCP channel number x 8 1 Write one of the following gain values to Parameter Register 2 000016 for 1 000116 for 8 000216 for 64 Then write the opcode for SCBWRITE 081016 to the Command Register Open Transducer Detection OTD is controlled by bits in the Card Control Transducers Register For more information on OTD see Figure 1 Card Control Register Base 1216 15 14 14 13 12 11 10 8 7 0 PSI Pwr Reset FIFO Mode unused FIFO Clear VPPEN A24 Window Open Transducer Detect Writing a one 1 to a bit enables open transducer detect on that signal conditioning module Writing a zero 0 to a bit disables open transducer detect Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 SCP 7 SCP 6 SCP 5 SCP 4 SCP 3 SCP 2 SCP 1 SCP 0 Register Based Programming VT1503A Amplifier Filter SCP 11
13. g the Plug on 3 e Connecting To The Terminal Module 4 e Programming With SCPI Commands 6 e Programming With Register Commands 10 e Specifications anar nid ont des eel da 12 Installation for this Plug on is common to several others and is covered in Chapters 1 and 2 of your VT1413C or Agilent HP E1313 manual Identifying the Plug on You ll find the VXI Technology part number on the connector side of the SCP to the left of the serial number bar code For the VT1503A the part number is VT1503A Introduction VT1503A Amplifier Filter SCP 3 Connecting To The Terminal Module This section shows how to make connections to the Terminal Module The SCP connections for the Terminal Modules are shown on the stick on labels that came with the SCP Use the appropriate label for the type of Terminal Module you have The connections and appropriate stickers are as follows e For VT1413C and above Terminal Modules use stickers for VT1503A SCPs The connections are shown in Figure 1 e For Agilent HP E1313 Terminal Moduless use stickers for VT1503A SCPs The connections are shown in Figures 2 and 3 e For Agilent HP E1413B and below Terminal Modules use stickers for Agilent HP E1413 Option 13 SCPs The connections are shown
14. l filters use the Disabling the Filter NPut FILTer LPASs STATe lt enable gt lt ch_list command e The enable parameter can specify ON or OFF To enable channels 0 through 15 and 20 to filter send INP FILT ON 0 115 120 channels filtering as set by INP FILT FREO To disable channels 0 through 8 send INP FILT OFF 100 108 channels 0 8 are now in pass through mode NOTES 1 INP FILT ON is the RST and Power On condition for all filter channels 2 INP FILT OFF has a low pass filter characteristic of approximately 1 5 kHz and limitations to signal levels It is intended primarily for diagnostic use Querying the To query any channel to determine if it is enabled or disabled use the Filter State INPut FILTer LPASs STATe lt channel gt command The INP FILT command returns a 0 if the channel is OFF or a 1 if the channel is ON e The channel parameter must specify a single channel To query the filter state of channel 2 send INP FILT 102 query channel 2 enter statement here returns 0 or Programming With SCPI Commands VT1503A Amplifier Filter SCP 7 Setting the To set the channel gain use the INPut GAIN gain lt ch_list gt Amplifier Gain command e The gain parameter can specify 1 8 64 MIN or MAX MIN specifies 1 while MAX specifies 64 Note that the gain choices for this SCP are multiples of 8 to complement the VT1413C or Agilent HP E1313 s A D range choi
15. ls Thermocouples Type E Type EEXtended Type J Type K Type R Type S Type T 90 days 23 C 4 min If autoranging is ON add 4 1 C with CAL done after 1 hr warm up and CAL ZERO within 5 t 02 FS to accuracy specifications The temperature accuracy specifications include instrument and firmware linearization errors The linearization algorithm used is based on the IPTS 68 78 standard transducer curves Add your transducer accuracy to determine total measurement error NOTE ALL Thermocouple Specifications Use Gain X64 A D Filter 200 to 0 C 0 to 200 C 200 to 400 C 400 to 800 C OFF 1 25 C 0 10 C 0 12 C 0 125 C ON 1 20 C 0 095 C 0 10 C 0 11 C A D Filter 200 to 0 C 0 to 200 C 200 to 800 C 800 to 1000 C OFF 13 4 C 0 30 C 0 20 C 0 35 C ON 13 3 C 0 25 C 0 15 C 0 30 C A D Filter 200 to 0 C 0 to 280 C 280 to 600 C 600 to 775 C OFF 1 50 C 0 10 C 0 15 C 0 17 C ON 1 47 C 0 11 C 0 15 C 0 15 C A D Filter 200 to 0 C 0 to 375 C 375 to 800 C 800 to 1400 C OFF 2 25 C 0 15 C 0 20 C 0 25 C ON 2 70 C 0 15 C 0 17 C 0 25 C A D Filter 0 to 100 C 100 to 200 C 200 to 600 C 600 to 1000 C OFF 1 40 C 0 75 C 0 45 C 0 30 C ON 1 40 C 0 70 C 0 40 C 0 30 C A D Filter 0 to 100 C 100 to 200 C 200 to 800 C 800 to 1750 C OFF 2 85 C 1 35 C 0 70 C 0 65 C ON 2 85 C 1 80 C 0 65 C 0 55 C A D Filter 200 to 100 C 100 to 0 C 0 to 200
16. of the OTD circuit 8 VT1503A Amplifier Filter SCP Programming With SCPI Commands Signal Conditioning Plug on Signal Input Multiplexer High gt ge High 17V A 100M ANN 3K Gnd V 3K 100M ATV Low gt SS o Low Figure 5 Open Transducer Detect Circuit NOTES 1 When OTD is enabled the inputs have up to 0 2 uA injected into them If this current will adversely affect your measurement but you still want to check for open transducers you can enable OTD make a single scan check the CVT for bad measurements then disable OTD and make your regular measurement scans The specifications apply only when OTD is off 2 When Filtering is enabled allow 15 seconds or the filter capacitors to charge before checking for open transducers To enable or disable Open Transducer Detection use the DIAGnostic OTDetect enable lt ch_list gt command e The enable parameter can specify ON or OFF e An SCP is addressed when the ch list parameter specifies a channel number contained on the SCP The first channel on each SCP is 0 8 16 24 32 40 48 and 56 To enable Open Transducer Detection on all channels on SCPs 1 and 3 DIAG OTD ON 100 116 0 is on SCP and 16 is on SCP3 To disable Open Transducer Detection on all channels on SCPs 1 and 3 DIAG OTD OFF 100 116 Programming With SCPI Commands VT1503A Amplifier Filter SCP 9 Register Based Programming Checking ID of SCP
17. r Agilent HP E1313A is HEWLETT PACKARD E1502 8 Channel Amp Filter SCP 0 0 To determine the type of SCP installed on channels 0 through 7 send SYST CTYP 100 query SCP type ch 0 enter statement here enter response string Setting the Filter To set the channel cutoff frequency use the Cutoff Freq uency INPut FILTer LPASs FREQuency lt cutoff gt lt ch_list command e The cutoff parameter can specify 2 10 100 MIN or MAX MIN will specify 2 Hz while MAX will specify 100 Hz To set channels 0 through 15 and 24 to the 2 Hz cutoff frequency and channels 16 through 23 to the 100 Hz cutoff frequency send INP FILT FREQ 2 100 115 124 send separate command INP FILT FREQ 100 116 123 per cutoff frequency or to combine into a single command message INP FILT FREQ 2 100 115 124 FREQ 100 116 123 NOTE The RST and Power On condition for cutoff frequency is MIN for all channels 6 VT1503A Amplifier Filter SCP Programming With SCPI Commands Querying the Filter To query any channel for its cutoff frequency use the Cutoff Freq uency INPut FILTer LPASs FREQuency lt channel gt command The INP FILT FREQ command returns the numeric cutoff value currently set for the channel specified e The channel parameter must specify a single channel To query the cutoff frequency of channel 6 send INP FILT FREQ 106 query channel 6 enter statement here returns 2 10 or 100 Enabling and To enable and disable channe
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