National Instruments SCXI-1160 User Manual Download

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SCXI-1160

User Manual

16-Channel Single-Pole Double-Throw (SPDT) Relay Module

March 1999 Edition

Part Number 320513B-01

Summary of Contents for SCXI-1160

Page 1: ...Copyright 1992 1999 National Instruments Corporation All Rights Reserved SCXI 1160 User Manual 16 Channel Single Pole Double Throw SPDT Relay Module March 1999 Edition Part Number 320513B 01...

Page 2: ...tario 905 785 0085 Canada Qu bec 514 694 8521 Denmark 45 76 26 00 Finland 09 725 725 11 France 0 1 48 14 24 24 Germany 089 741 31 30 Hong Kong 2645 3186 India 91805275406 Israel 03 6120092 Italy 02 41...

Page 3: ...damages arising out of or related to this document or the information contained in it EXCEPT AS SPECIFIED HEREIN NATIONAL INSTRUMENTS MAKES NO WARRANTIES EXPRESS OR IMPLIED AND SPECIFICALLY DISCLAIMS...

Page 4: ...dily injury caused by product failure or by errors on the part of the user or application designer Because each end user system is customized and differs from National Instruments testing platforms an...

Page 5: ...nd W5 2 5 Using Jumpers W2 W3 and W4 2 7 Hardware Installation 2 7 Signal Connections 2 8 Front Connector 2 9 Front Connector Signal Descriptions 2 10 Contact Protection for Inductive Load Connections...

Page 6: ...ister Selection and Write Procedure 5 2 Initialization 5 3 Examples 5 3 Example 1 5 4 Example 2 5 4 Example 3 5 5 Appendix A Specifications A 1 Contact Ratings A 1 Physical A 2 Operating Environment A...

Page 7: ...ion E 10 SCXI 1180 Feedthrough Panel E 10 SCXI 1180 Installation E 10 SCXI 1302 50 Pin Terminal Block E 12 SCXI 1302 Wiring Procedure E 12 SCXI 1302 Installation E 13 SCXI 1351 One Slot Cable Extender...

Page 8: ...2 SCXIbus Connector Pin Assignment 3 3 Figure 3 3 Digital Interface Circuitry Block Diagram 3 5 Figure 3 4 SCXI 1160 Digital Control 3 6 Figure B 1 SCXI 1160 Rear Signal Connector Pin Assignment B 1 F...

Page 9: ...1160 and Board Pinout Equivalences E 2 Table E 2 SCXI 1341 and 1344 Pin Translations E 4 Table E 3 SCXI 1342 Pin Translations E 5 Table E 4 SCXI 1160 and DIO 96 Board Pinout Equivalences E 7 Table E...

Page 10: ...ons installation of the SCXI 1160 into the SCXI chassis signal connections to the SCXI 1160 and cable wiring Chapter 3 Theory of Operation contains a functional overview of the SCXI 1160 module and ex...

Page 11: ...ab LC Lab NB Lab PC and Lab PC boards unless otherwise noted MC MC refers to the Micro Channel series computers MIO board MIO board refers to the National Instruments AT MIO 16 AT MIO 16F 5 AT MIO 16X...

Page 12: ...umber 320130 01 MC MIO 16 User Manual Revision D part number 320560 01 NB DIO 24 User Manual part number 320094 01 NB DIO 32F User Manual part number 320095 01 NB DIO 96 User Manual part number 320384...

Page 13: ...r switching and controlling The SCXI 1160 operates with full functionality with National Instruments MIO 16 boards Lab NB Lab PC Lab PC Lab LC and PC LPM 16 boards and with the DIO 24 DIO 32F and DIO...

Page 14: ...on high speed A D conversion analog output D A conversion waveform generation digital I O counter timer SCXI RTSI and self calibration NI DAQ maintains a consistent software interface among its differ...

Page 15: ...1324 front terminal block 776573 24 SCXI 1340 cable assembly 776574 40 SCXI 1341 Lab NB Lab PC Lab PC cable assembly 776574 41 SCXI 1342 PC LPM 16 cable assembly 776574 42 SCXI 1343 rear screw termin...

Page 16: ...this connector is as follows ERNI Components Inc part number 913523 The mating connector for the SCXI 1160 front connector is a special 48 pin reversed DIN C female connector National Instruments uses...

Page 17: ...allation of the SCXI 1160 into the SCXI chassis signal connections to the SCXI 1160 and cable wiring Module Configuration The SCXI 1160 includes five jumpers that are shown in the parts locator diagra...

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Page 20: ...epair to ensure that its safety features are not compromised When using the terminal block with high common mode voltages your signal wires must be insulated appropriately National Instruments is not...

Page 21: ...acquisition board is to be connected to its rear signal connector Jumper W1 Position 1 connects a 2 2 k pullup resistor to the SERDATOUT line This is the factory default setting Position 3 does not c...

Page 22: ...up resistor to the SERDATOUT line When using multiple chassis set jumper W5 in position 1 on all of the SCXI 1160s that are cabled to the data acquisition board Set jumper W1 in position 1 on only one...

Page 23: ...setting If you want to use the SCXI 1160 with an MIO type board place all three jumpers in the MIO position If nothing is cabled to the rear signal connector of the SCXI 1160 the position of these ju...

Page 24: ...tion Signal Connections This section describes the signal connections to the SCXI 1160 board via the SCXI 1160 front connector and rear signal connector and includes specifications and connection inst...

Page 25: ...ignal Name 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 COM 0 NO 0 COM 1 NO 1 COM 2 NO 2 COM 3 NO 3 COM 4 NO 4 COM 5 NO 5 COM 6 NO 6 COM 7 NO 7 COM 8 NO 8 COM...

Page 26: ...se refer to the module specifications listed in Appendix A for further details before connecting the signals to the relay contacts Contact Protection for Inductive Load Connections When inductive load...

Page 27: ...e for DC Inductive Loads To determine where to place each arc suppressor refer to Table 2 2 and Table 2 3 which indicate the channel and suppressor pad assignments Table 2 2 COM to NO Arc Suppressor P...

Page 28: ...connect a transient voltage suppressor for AC and DC inductive loads VR2 Relay VR1 Arc Suppressor Pads NC COM NO Figure 2 5 Arc Suppressor Pad Locations Terminal Block A terminal block with screw ter...

Page 29: ...at the bottom of the terminal block 3 Slide the signal wires one at a time through the front panel strain relief Additional insulation or padding may be added if necessary 4 Connect the wires to the...

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Page 31: ...nd bottom thumbscrews do not obstruct the rear panel of the terminal block 3 Tighten the top and bottom screws on the back of the terminal block to hold it securely in place Rear Signal Connector Note...

Page 32: ...for the SCXI 1160 rear signal connector 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 SERDATIN DAQD A SLO...

Page 33: ...ation 29 SLOT0SEL Slot 0 Select Taps into the SCXIbus INTR line to indicate whether the information on MOSI is sent to a module or to Slot 0 31 or 37 SERCLK Serial Clock Taps into the SCXIbus SPICLK l...

Page 34: ...he SERDATIN line into the module registers Pins 31 and 37 are not tied together Pin 31 is for DIO type boards with jumpers W2 W3 and W4 in the DIO position Pin 37 is for MIO type boards with jumpers W...

Page 35: ...logic low voltage 0 8 V maximum II input current leakage 1 A maximum Digital output specifications referenced to DIG GND VOH output logic high voltage 3 7 V minimum at 4 mA maximum VOL output logic lo...

Page 36: ...LOT0SEL Tss_dis Tss_en Tclk_wait Tslot0sel _wait Tss _ dis SLOT0SEL low to SS disabled 200 nsec maximum Tclk _ wait SLOT0SEL low to first rising edge on SERCLK 75 nsec minimum Tslot0sel _ wait Last ri...

Page 37: ...SERDATIN SERDATOUT Tsetup Thold Tdelay Tlow Minimum low time 65 nsec minimum Thigh Minimum high time 400 nsec minimum Tsetup SERDATIN setup time 200 nsec minimum Thold SERDATIN hold time 200 nsec mini...

Page 38: ...er or Status Register using the following protocols The contents of the Module ID Register are reinitialized by deasserting Slot Select After the 32 bits of data are read from the Module ID Register f...

Page 39: ...SERCLK last rising edge to DAQD A high Tdelay3 DAQD A high to SLOTSEL low Tdelay3 1 0 0 0 0 0 1 1 0 0 0 0 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 180 nsec 365 nsec 400 nsec Figure 2 11 Data Register W...

Page 40: ...w these steps 1 Initial conditions SS asserted low SERDATIN don t care DAQD A 0 SLOT0SEL 1 SERCLK 1 and has not changed since DAQD A went low 2 The Status Register of the SCXI 1160 consists of a singl...

Page 41: ...es a read of the SCXI 1160 Status Register after the relays have switched states Tswitching SS SERDATOUT SLOT0SEL DAQD A Relays switching Tswitching 20 msec maximum Relays Finish Switching Figure 2 13...

Page 42: ...king up the SCXI 1160 Functional Overview The block diagram in Figure 3 1 illustrates the key functional components of the SCXI 1160 NC 0 COM 0 NO 0 NC 1 COM 1 NO 1 NC 14 COM 14 NO 14 NC 15 COM 15 NO...

Page 43: ...XIbus connector Digital interface Digital control circuitry Relay channels The SCXI 1160 module is dedicated to switching and controlling power and low level signal sources The theory of operation of...

Page 44: ...10 B10 A11 B11 A12 B12 A13 B13 A14 B14 A15 B15 A16 B16 A17 B17 A18 B18 A19 B19 A20 B20 A21 B21 A22 B22 A23 B23 A24 B24 D1 C1 D2 C2 D3 C3 D4 C4 D5 C5 D6 C6 D7 C7 D8 C8 D9 C9 D10 C10 D11 C11 D12 C12 D13...

Page 45: ...25 V D20 A22 B22 C22 V Positive Analog Supply 18 5 to 25 V D22 A23 D23 5 V 5 VDC Source Digital power supply B23 SPICLK Serial Peripheral Interface SPI Clock Clocks the serial data on the MOSI and MI...

Page 46: ...irst assert the SS for that slot To do this assert INTR low write a 16 bit number over MOSI corresponding to the desired slot and chassis if you are using an SCXI 1001 chassis and then release INTR hi...

Page 47: ...Buffered Digital Control Signals Status Register Figure 3 4 SCXI 1160 Digital Control The digital control section consists of the Address Handler the Data Register the Module ID Register and the Stat...

Page 48: ...The SCXI 1160 consists of 16 independent one form C relays Each relay has three connections at the front connector the common COM the normally closed NC and the normally open NO positions which are a...

Page 49: ...gister Descriptions and Chapter 5 Programming for further details The relays are break before make as long as you do not exceed the specified relay operation speed In addition each relay is fully isol...

Page 50: ...le ID Register section In many of the registers several bits are labeled with an X indicating don t care bits When you write to a register you may set or clear these bits without effect SCXI 1160 Regi...

Page 51: ...transfer to a register This enables the Address Handler output and selects the appropriate register At the end of each communication with the Module ID Register the Data Register or the Status Regist...

Page 52: ...nificant byte first Within each byte data is sent out MSB first Additional data transfers result in all zeros being sent on the MISO line The Module ID register is reinitialized to its original value...

Page 53: ...ition Not valid Type Write only Word Size 32 bit Bit Map 31 30 29 28 27 26 25 24 NC 15 NC 14 NC 13 NC 12 NC 11 NC 10 NC 9 NC 8 23 22 21 20 19 18 17 16 NC 7 NC 6 NC 5 NC 4 NC 3 NC 2 NC 1 NC 0 15 14 13...

Page 54: ...us bit goes high again before you perform any further task with these relays After each write operation to the Data Register it is recommended that you poll and check the Status Register Select the St...

Page 55: ...my register that you should select after the end of a read or write operation Selecting the Parking Register places the module in a state insensitive to noise and to ESD which may corrupt the Data Reg...

Page 56: ...the SCXI 1001 chassis the Slot Select Register also determines in which chassis the desired slot is Write to the Slot Select Register using the SLOT0SEL line Maintain software copies of the Slot Sele...

Page 57: ...chassis number written The Slot Select Register shifts in the data present on the MOSI line bit 16 first when SLOT0SEL is low Type Write only Word Size 16 bit Bit Map 15 14 13 12 11 10 9 8 X X X X X X...

Page 58: ...is section describes how to write to the Data Register including the procedure for writing to the Slot Select Register to select the appropriate slot For timing specifics refer to the Timing Requireme...

Page 59: ...Clear SLOT0SEL to 0 This deasserts all SS lines to all modules in all chassis 3 For each bit starting with the MSB bit 15 do the following a Set SERDATIN bit to be sent These bits are the data that is...

Page 60: ...decimal address FFFF to the Address Handler to increase noise immunity of the module when it is in the quiescent state This also latches the data into the Data Register Selecting another register also...

Page 61: ...has four SCXI 1160 modules in Slots 1 2 3 and 4 The SCXI 1160 in Slot 4 is cabled to the data acquisition board You want to connect the NO position to the COM position on all of the modules and leave...

Page 62: ...channels 0 through 7 and connect the NO position to the COM position on channels 8 through 15 Leave all other channels unchanged Assuming that the modules are correctly cabled and jumpers W5 and W1 a...

Page 63: ...C or 48 VDC maximum Switching current 2 A maximum per channel Channel on resistance 75 m Minimum switching capacity 100 A at 100 mVDC Contact material Gold clad silver alloy Life Note Relays are subje...

Page 64: ...ar connector 48 pin DIN C male front connector 48 screw terminal adapter available Operating Environment Temperature 0 to 50 C Relative humidity 5 to 90 at 35 C Storage Environment Temperature 20 to 7...

Page 65: ...escription of each connection Figure B 1 shows the pin assignments for the SCXI 1160 rear signal connector 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34...

Page 66: ...accept serial output data from a module Pin 47 is for DIO boards Pin 26 is for MIO boards and jumper W2 selects it 27 DAQD A Data Acquisition Board Data Address Line Taps into the SCXIbus D A line to...

Page 67: ...60 User Manual Appendix C SCXIbus Connector This appendix describes the pinout and signal names for the SCXI 1160 96 pin SCXIbus connector including a description of each connection Figure C 1 shows t...

Page 68: ...10 B10 A11 B11 A12 B12 A13 B13 A14 B14 A15 B15 A16 B16 A17 B17 A18 B18 A19 B19 A20 B20 A21 B21 A22 B22 A23 B23 A24 B24 D1 C1 D2 C2 D3 C3 D4 C4 D5 C5 D6 C6 D7 C7 D8 C8 D9 C9 D10 C10 D11 C11 D12 C12 D13...

Page 69: ...t to the module on MOSI Open collector I O D19 INTR Interrupt Active low Causes data that is on MOSI to be written to the Slot Select Register Slot 0 Open collector Output A20 B20 C20 V Negative Analo...

Page 70: ...0 front connector Pin Number Signal Name Column A B C Signal Name 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 COM 0 NO 0 COM 1 NO 1 COM 2 NO 2 COM 3 NO 3 COM...

Page 71: ...ontacts of the relays A15 A17 A19 15 through 0 A21 A23 A25 A27 A29 A31 B2 B4 B6 B8 COM 15 0 Common Contact These are the common B10 B12 B14 contacts of the relays 15 through 0 B16 B18 B20 B22 B24 B26...

Page 72: ...ects to the rear signal connector of the module A male breakout connector is near the mounting bracket on the ribbon cable You can use this male breakout connector to extend the signals of the MIO 16...

Page 73: ...XI 1340 Installation Follow these steps to install the SCXI 1340 1 Make sure that the computer and the SCXI chassis are turned off 2 Install the SCXI module in the chassis 3 Plug the mounting bracket...

Page 74: ...XI 1344 cable assemblies consist of two pieces a 50 conductor ribbon cable that connects the Lab board to the rear connector of the other piece the adapter board The adapter board converts the signals...

Page 75: ...SCXI 1160 rear signal connector SCXI 1341 and SCXI 1344 Installation Follow these steps to install the SCXI 1341 or SCXI 1344 1 Make sure that the computer and the SCXI chassis are turned off 2 Insta...

Page 76: ...ss to the digital control lines The position of jumper W1 on the SCXI 1342 is irrelevant because the SCXI 1160 does not use jumper W1 Table E 3 lists the SCXI 1342 pin translations Table E 3 SCXI 1342...

Page 77: ...le is divided into two 50 pin connectors Use positions 1 through 50 of the NB5 connector to control the SCXI 1160 and the SCXIbus via serial communication Positions 51 through 100 of the NB5 cable are...

Page 78: ...that the computer and the SCXI chassis are turned off 2 Install the SCXI module in the chassis 3 Connect the position 1 through 50 connector of the NB5 cable to the male breakout connector on the SCXI...

Page 79: ...to an SCXI 1160 module The SCXI 1348 cable assembly consists of two pieces a 50 conductor shielded ribbon cable that connects the DIO 32F board to the other piece the adapter board The adapter board...

Page 80: ...3 No Connect 16 DIOC4 7 No Connect 17 19 DIG GND 2 4 No Connect 21 23 DIG GND 6 8 No Connect 25 26 DIG GND 10 12 No Connect 28 30 DIG GND 14 16 No Connect 32 34 DIG GND 50 DIG GND 18 ACK2 26 No Conne...

Page 81: ...ector You can attach the rear connector to the male breakout connector of an SCXI 1340 SCXI 1341 SCXI 1342 SCXI 1344 or SCXI 1351 in the adjacent slot The breakout connector further extends the cablin...

Page 82: ...or Breakout Connector from SCXI 1340 Threaded Strip in Rear of Chassis Step 4 Rear Panel Figure E 3 SCXI 1180 Rear Connections Note If you are using the SCXI 1180 with an SCXI 1351 and an NB5 cable co...

Page 83: ...To wire the SCXI 1302 terminal block you must remove the cover connect all the wiring and replace the cover The procedure for this is as follows 1 Unscrew the rear grounding screw on the back of the t...

Page 84: ...feedthrough panel Be careful to fit the thumbscrews in the thumbscrew cutouts 4 Tighten the top and bottom captive screws on the back of the terminal block into the screw holes in the front panel to h...

Page 85: ...you cannot use the SCXI 1000 in a multiple chassis system For each chassis you will need an SCXI 1350 multichassis adapter board and an NB1 ribbon cable SCXI 1350 Multichassis Adapter Note When conne...

Page 86: ...d You do not need to connect anything to the middle connector of the SCXI 1350 adapter board in the last chassis SCXI 1343 Rear Screw Terminal Adapter You use the SCXI 1343 universal adapter to adapt...

Page 87: ...older pad 36 No connect Solder pad 37 SERCLK MIO Solder pad 38 No Connect Solder pad 39 No Connect Solder pad 40 No Connect Solder pad 41 No Connect Solder pad 42 No Connect Solder pad 43 No Connect S...

Page 88: ...Relay Technical Data This appendix contains technical data on Aromat Corporation relays Aromat relays are used on the SCXI 1160 Copyright Aromat Corporation 1991 Reprinted with permission of copyrigh...

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Page 94: ...te The InstrumentationWeb address is www natinst com From this Web site you can connect to our Web sites around the world www natinst com niglobal and access technical support www natinst com support...

Page 95: ...4399 Denmark 45 76 26 00 45 76 26 02 Finland 09 725 725 11 09 725 725 55 France 0 1 48 14 24 24 0 1 48 14 24 14 Germany 089 741 31 30 089 714 60 35 Hong Kong 2645 3186 2686 8505 India 91805275406 9180...

Page 96: ...iciently If you are using any National Instruments hardware or software products related to this problem include the configuration forms from their user manuals Include additional pages if necessary N...

Page 97: ...mpleting this form accurately before contacting National Instruments for technical support helps our applications engineers answer your questions more efficiently SCXI 1160 Revision Chassis Slot Chass...

Page 98: ...art Number 320513B 01 Please comment on the completeness clarity and organization of the manual If you find errors in the manual please record the page numbers and describe the errors Thank you for yo...

Page 99: ...og to digital Arms amperes root mean square AWG American Wire Gauge C Celsius CH module positive input channel number CH module negative input channel number cpm counts per minute cps counts per secon...

Page 100: ...cess memory rms root mean square RTSI Real Time System Integration SCXI Signal Conditioning eXtensions for Instrumentation bus SDK Software Developer s Kit sec seconds SPDT single pole double throw SP...

Page 101: ...ctronic circuit drive F 6 B backplane protection 3 8 C cabling custom cables optional 1 3 to 1 4 DIO 96 board connection SCXI 1160 and DIO 96 board pinout equivalences E 7 SCXI 1351 and NB5 cable asse...

Page 102: ...19 to 2 25 Address Handler timing diagram 2 22 communicating on SPI bus 2 19 Data Register write timing diagram 2 23 Module ID Register timing diagram 2 24 reading from Module ID Register 2 23 to 2 2...

Page 103: ...4 4 write timing diagram 2 23 writing to Data Register 2 22 to 2 23 3 7 DIGGND signal rear signal connector 2 17 B 2 digital control circuitry diagram 3 6 to 3 7 theory of operation 3 6 to 3 7 digita...

Page 104: ...le 2 4 SCXI 1324 terminal block 2 13 I inductive load connections See contact protection initialization of SCXI 1160 module 5 3 installation hardware installation 2 7 to 2 8 SCXI 1180 feedthrough pane...

Page 105: ...LC Lab NB Lab PC or Lab PC See SCXI 1341 Lab NB Lab PC or Lab PC LabVIEW software 1 2 1 3 LabWindows software 1 2 1 3 M manual See documentation MISO signal digital signal connections 2 6 jumper conn...

Page 106: ...4 terminal block 2 14 PC LPM 16 adapter board See SCXI 1342 PC LPM 16 adapter board physical specifications A 2 pin assignments front connector 2 9 D 1 rear signal connector 2 16 B 1 SCXI 1343 rear sc...

Page 107: ...tocol 2 19 to 2 25 registers Address Handler 4 1 to 4 2 definition 3 6 register addresses 4 1 to 4 2 timing diagram 2 22 writing to Address Handler 2 21 to 2 22 Data Register control of relay channels...

Page 108: ...ting and setting relays 4 4 RESET signal 3 4 C 3 S SCXI 1160 module See also installation jumper configuration block diagram 3 1 illustration 1 1 kit contents 1 2 optional equipment 1 3 to 1 4 optiona...

Page 109: ...board pinout equivalences E 7 SCXI 1351 one slot cable extender cable assembly E 13 installation E 14 SCXIbus connector pin assignments 3 3 C 2 signal descriptions 3 4 to 3 5 C 3 SERCLK signal digital...

Page 110: ...cquisition board pin equivalences 2 19 digital I O signal connections 2 17 to 2 19 overview 2 15 pin assignments 2 16 B 1 signal descriptions 2 17 B 2 timing requirements and communication protocol 2...

Page 111: ...ster 2 22 to 2 23 3 7 Status Register 4 5 definition 3 7 description 4 5 jumper connections 2 5 2 6 reading from Status Register 2 24 to 2 25 timing diagram 2 24 to 2 25 storage environment specificat...

Page 112: ...Index SCXI 1160 User Manual Index 12 National Instruments Corporation V V signal 3 4 C 3 V signal 3 4 C 3 5 V signal 3 4 voltage hazardous See hazardous voltage cautions...

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