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Index

© National Instruments Corporation

Index-3

SCXI-1162 User Manual

theory of operation, 3-6 to 3-7

installation

hardware installation, 2-8
SCXI-1180 feedthrough panel, E-11 to

E-13

SCXI-1302 50-pin terminal block, E-15
SCXI-1326 terminal block, 2-16
SCXI-1340 cable assambly, E-2
SCXI-1341 cable assembly, E-5
SCXI-1342 PC-LPM-16 cable assembly,

E-6

SCXI-1343 rear screw terminal adapter,

E-17

SCXI-1344 Lab-LC cable assembly, E-5
SCXI-1348 DIO-32F cable assembly,

E-11

SCXI-1350 multichassis adapter, E-15 to

E-16

SCXI-1351 and NB5 cable, E-8 to E-9
SCXI-1351 one-slot cable extender, E-

15

unpacking the SCXI-1162 module, 1-4

INTR* signal, SCXIbus connector, 3-3, C-3

J

jumper configuration. See also signal

connections.

digital signal connections and jumper

settings, 2-7

jumper W1, 2-4 to 2-5
jumper W2, 2-4, 2-5
jumper W5, 2-4, 2-5
jumper W6, 2-4, 2-5 to 2-6
jumpers W3 and W4, 2-4, 2-5
overview, 2-1
parts locator diagram, 2-2
procedure for changing configuration,

2-4

reserved jumper, 2-4
user-configurable jumpers, 2-4

L

Lab-LC. See SCXI-1344 cable assembly.
Lab-NB, Lab-PC, or Lab-PC+. See

SCXI-1341 cable assembly.

LabVIEW software, 1-2, 1-3
LabWindows software, 1-2, 1-3

M

manual. See documentation.
MIO-type boards. See also DIO-96,

AT-MIO-16D, and AT-MIO-64F-5
board connection.

digital I/O signal connections, 2-19
digital signal connections and jumper

settings, 2-7

jumper connections, 2-4, 2-5
SCXI-1162, MIO-16, and DIO-24 board

pinout equivalences, E-2

MISO signal

digital signal connections, 2-7

jumper connections, 2-5, 2-6
reading from Module ID Register or

Data Register, 3-6

register circuitry, 3-5
SCXIbus connector, 3-3, C-3

module configuration. See jumper

configuration; signal connections.

Module ID Register

description, 4-3
jumper connections, 2-6
reading from Module ID Register, 2-24

to 2-25, 3-6

register circuitry, 3-5
timing diagram, 2-24

MOSI signal

SCXIbus connector, 3-3, C-3
Slot-Select Register, 4-7

multiple-chassis connections, E-15 to E-16

N

NB5. See SCXI-1351 and NB5 cable.
NC signal, front connector, 2-10, D-3
NI-DAQ software, 1-2, 1-3

O

operating environment specifications, A-2
operation of SCXI-1162. See theory of

operation

OUT<23..0> signal, rear signal connector,

2-18

OUT<31..24> signal, rear signal connector,

2-18

P

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Summary of Contents for SCXI-1162

Page 1: ... Copyright 1993 1994 National Instruments Corporation All Rights Reserved SCXI 1162 User Manual 32 Channel Isolated Digital Input Module March 1994 Edition Part Number 320572 01 ...

Page 2: ...fices Australia 03 879 9422 Austria 0662 435986 Belgium 02 757 00 20 Canada Ontario 519 622 9310 Canada Québec 514 694 8521 Denmark 45 76 26 00 Finland 90 527 2321 France 1 48 14 24 24 Germany 089 741 31 30 Italy 02 48301892 Japan 03 3788 1921 Netherlands 03480 33466 Norway 32 848400 Spain 91 640 0085 Sweden 08 730 49 70 Switzerland 056 20 51 51 U K 0635 523545 ...

Page 3: ...S RIGHT TO RECOVER DAMAGES CAUSED BY FAULT OR NEGLIGENCE ON THE PART OF NATIONAL INSTRUMENTS SHALL BE LIMITED TO THE AMOUNT THERETOFORE PAID BY THE CUSTOMER NATIONAL INSTRUMENTS WILL NOT BE LIABLE FOR DAMAGES RESULTING FROM LOSS OF DATA PROFITS USE OF PRODUCTS OR INCIDENTAL OR CONSEQUENTIAL DAMAGES EVEN IF ADVISED OF THE POSSIBILITY THEREOF This limitation of the liability of National Instruments ...

Page 4: ...r or application designer Any use or application of National Instruments products for or involving medical or clinical treatment must be performed by properly trained and qualified medical personnel and all traditional medical safeguards equipment and procedures that are appropriate in the particular situation to prevent serious injury or death should always continue to be used when National Instr...

Page 5: ... Jumper W1 2 5 Jumper W2 2 5 Using Jumper W2 2 5 Jumpers W3 and W4 2 5 Jumper W5 2 5 Jumper W6 2 5 Using Jumpers W5 and W6 2 6 Hardware Installation 2 8 Signal Connections 2 8 Front Connector 2 9 Front Connector Signal Descriptions 2 10 Terminal Block 2 13 SCXI 1326 Terminal Block 2 13 Signal Connection 2 14 SCXI 1326 Installation 2 16 Rear Signal Connector 2 16 Rear Signal Connector Signal Descri...

Page 6: ...egister Reads 5 1 Register Selection and Read Procedure 5 2 Appendix A Specifications A 1 Physical A 1 Operating Environment A 2 Storage Environment A 2 Appendix B Rear Signal Connector B 1 Rear Signal Connector Signal Descriptions B 2 Appendix C SCXIbus Connector C 1 SCXIbus Connector Signal Descriptions C 3 Appendix D SCXI 1120 Front Connector D 1 Front Connector Signal Descriptions D 3 Appendix...

Page 7: ...l E 11 SCXI 1180 Installation E 11 SCXI 1302 50 Pin Terminal Block E 13 SCXI 1302 Wiring Procedure E 13 SCXI 1302 Installation E 14 SCXI 1351 One Slot Cable Extender E 14 SCXI 1351 Installation E 15 Multiple Chassis Connections for the SCXI 1162 E 15 SCXI 1350 Multichassis Adapter E 15 SCXI 1350 Installation E 15 SCXI 1343 Rear Screw Terminal Adapter E 16 SCXI 1343 Installation E 17 Appendix F Cus...

Page 8: ...62 Rear Signal Connector Pin Assignments B 1 Figure C 1 SCXIbus Connector Pin Assignment C 2 Figure D 1 SCXI 1162 Front Connector Pin Assignment D 2 Figure E 1 SCXI 1340 Installation E 3 Figure E 2 SCXI 1351 and NB5 Cable Installation E 9 Figure E 3 SCXI 1180 Rear Connections E 12 Figure E 4 SCXI 1180 Front Panel Installation E 13 Figure E 5 Cover Removal E 14 Tables Table 2 1 Digital Signal Conne...

Page 9: ...d cable wiring Chapter 3 Theory of Operation contains a functional overview of the SCXI 1162 module and explains the operation of each functional unit making up the SCXI 1162 Chapter 4 Register Descriptions describes in detail the SCXI 1162 Address Handler the Module ID Register the Data Register the Parking Registers and the Slot 0 registers Chapter 5 Programming contains a functional programming...

Page 10: ...F 5 AT MIO 16X AT MIO 64F 5 MC MIO 16 NB MIO 16 and NB MIO 16X multichannel I O data acquisition boards unless otherwise noted MIO type board MIO type board refers to National Instruments data acquisition boards that have at least analog and digital inputs and outputs These boards include the MIO boards the Lab boards and the PC LPM 16 board unless otherwise noted monospace Lowercase text in this ...

Page 11: ...C User Manual part number 320380 01 Lab NB User Manual part number 320174 01 Lab PC User Manual part number 320205 01 Lab PC User Manual part number 320502 01 MC DIO 24 User Manual part number 320129 01 MC DIO 32F User Manual part number 320128 01 MC MIO 16 User Manual Revisions A to C part number 320130 01 MC MIO 16 User Manual Revision D part number 320560 01 NB DIO 24 User Manual part number 32...

Page 12: ...comments on our products and manuals We are interested in the applications you develop with our products and we want to help if you have problems with them To make it easy for you to contact us this manual contains comment and configuration forms for you to complete These forms are in Appendix F Customer Communication at the end of this manual ...

Page 13: ...es may be present The SCXI 1162 operates with full functionality with National Instruments MIO 16 and AT MIO 64F 5 boards Lab NB Lab PC Lab PC Lab LC and PC LPM 16 boards and with the DIO 24 DIO 32F and DIO 96 boards You can also use the SCXI 1162 with other systems that comply with the specifications given in Chapter 2 Configuration and Installation You can control several SCXI 1162s in a single ...

Page 14: ...rom your application programming environment These functions include routines for analog input A D conversion buffered data acquisition 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 different versions so you can switch between platforms with minimal modif...

Page 15: ...EW for Macintosh 776141 01 NI DAQ software for Macintosh 776181 01 Optional Equipment Equipment Part Number SCXI 1326 front terminal block 776573 26 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 terminal adapter 776574 43 SCXI 1344 Lab LC cable assembly 776574 44 SCXI 1350 multichassis ad...

Page 16: ...nents Inc part number 033 273 The mating connector for the SCXI 1162 front connector is a special 48 pin reversed DIN C female connector National Instruments uses a polarized and keyed connector to prevent inadvertent upside down connection to the SCXI 1162 The manufacturer part number National Instruments uses for this mating connector is as follows ERNI Components Inc part number 913 495 These c...

Page 17: ...quisition board Set jumpers on the module to configure the rear connector When you are controlling the SCXI 1162 through the SCXIbus and are not using the rear connector the positions of the configuration jumpers are irrelevant However the module in the chassis which is cabled to a data acquisition board must be configured to allow reads from module registers Specifically the module must be config...

Page 18: ......

Page 19: ... must be insulated appropriately National Instruments is not liable for any damages or injuries resulting from inadequate signal wire insulation When connecting or disconnecting signal lines to the SCXI 1326 terminal block screw terminals the lines must be powered off to avoid a shock hazard Connections including power signals to ground and vice versa that exceed any of the maximum signal ratings ...

Page 20: ...dule is controlled via the backplane the position of these jumpers is irrelevant Jumper W5 connects a pullup resistor to the SERDATOUT signal on the rear signal connector Jumper W6 carries the SCXIbus MISO line after buffering to the SERDATOUT signal on the rear signal connector Reserved jumper Jumper W7 is reserved and should not be connected To change the configuration of the module use the foll...

Page 21: ... the rear connector to serial communication set the jumper to the SER position If the SCXI 1162 is being controlled by the SCXIbus and its rear connector is not connected to anything the position of this jumper is irrelevant Jumpers W3 and W4 These jumpers configure the rear connector to accept signals from either an MIO type or a DIO type data acquisition board Both jumpers have labels indicating...

Page 22: ...read the Module ID Register of modules National Instruments software does not use the ability to read the Module ID register You must indicate to the software which module is in which slot The SERDATOUT line is driven with an open collector driver which is a driver that actively drives low or goes to a high impedance state relying on a pullup resistor to make the signal line go high When you use a...

Page 23: ...el communication DIO board only Factory setting Configures rear connector for a DIO board Configures rear connector for an MIO board Includes MIO series Lab series and PC LPM 16 Factory setting Configures rear connector for a DIO board Configures rear connector for an MIO board Includes MIO series Lab series and PC LPM 16 Parking position Factory setting Connects pullup to SERDATOUT Parking positi...

Page 24: ...e SCXI 1162 to the top and bottom threaded strips of your SCXI chassis 5 If this module is to be connected to an MIO 16 or a DIO 24 data acquisition board attach the connector at the metal end of the SCXI 1340 cable assembly to the rear signal connector on the SCXI 1162 module Screw the rear panel to the rear threaded strip Attach the loose end of the cable to the data acquisition board Note For i...

Page 25: ...tor Pin Number Signal Name Column A B C Signal Name 30 29 In 0 In 1 In 2 In 3 Vcc NC In 4 In 5 In 6 In 7 Vcc NC In 8 In 9 In 10 In 11 Vcc NC In 12 In 13 In 14 In 15 Vcc NC In 19 In 18 In 17 In 16 NC Vcc In 23 In 22 In 21 In 20 NC Vcc In 27 In 26 In 25 In 24 NC Vcc In 31 In 30 In 29 In 28 NC Vcc 26 25 22 21 18 17 14 13 10 9 6 5 2 1 Figure 2 2 SCXI 1162 Front Connector Pin Assignment ...

Page 26: ...sist of a light emitting diode and a 360 Ω series current limiting resistor When current is pulled through an input the diode emits light which is sensed by a photosensitive circuit When this circuit senses the light it outputs a logic low digital signal The SCXI 1162 consists of eight banks of four of these optically isolated digital inputs Each bank of inputs has a separate connection for the po...

Page 27: ...Connection Examples Figure 2 3 shows Vcc connected to the positive voltage of a 5 to 10 V power supply An input senses a logic low when it is driven to the negative voltage of this supply For example In 0 is sensing whether a load is being powered Closing switch S1 will connect In 0 and the negative terminal of the load to the negative supply voltage thus powering the load and returning a logic lo...

Page 28: ...e module These isolation barriers provide isolation for voltages up to 450 VAC or VDC There is no isolation between signals of the same bank The voltage at any input must never be driven more than 10 V below its Vcc nor may it ever be allowed to go more than 5 V above its Vcc If a Vcc must be connected to a power supply of more than 10 V you can add an additional series resistor to an input to lim...

Page 29: ... be insulated appropriately National Instruments is not liable for any damages or injuries resulting from inadequate signal wire insulation When connecting or disconnecting signal lines to the SCXI 1326 terminal block screw terminals the lines must be powered off to avoid shock hazard Connections including power signals to ground and vice versa that exceed any of the maximum signal ratings on the ...

Page 30: ...in relief by tightening the larger screws 6 Snap the top cover back in place 7 Replace the grounding screw to ensure proper shielding 8 Connect the terminal block to the SCXI 1162 front connector as explained in the SCXI 1326 Installation section the next section in this chapter Figure 2 5 shows a parts locator diagram for the SCXI 1326 terminal block Warning If high voltages 42 Vrms are present t...

Page 31: ......

Page 32: ...If you will also use the SCXI 1180 feedthrough panel the SCXI 1343 rear screw terminal adapter or the SCXI 1351 one slot cable extender with the SCXI 1162 read this section The rear signal connector is configured based on the jumper settings described earlier in this chapter Jumper W2 determines whether the rear connector will be used for serial or parallel communication If jumper W2 is set to ser...

Page 33: ...RCLK GND MIO SERDATOUT MIO DIO SERCLK DIO SERDATOUT GND DIO A Jumper W2 in SER Position 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 Out 23 Out 22 Out 21 Out 17 Out 25 Out 24 Out 20 Out 12 GND Out 19 Out 18 Out 13 Out 16 Out 15 Out 14 Out 10 Out 9 Out 8 Out 4 Out 7 Out 6 Out 5 Out 0 Out 3 Out 2 Out 1 Ou...

Page 34: ... Address Line Taps into the SCXIbus D A line to indicate to the module whether the incoming serial stream is data or address information 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 line to clock the data on the MOSI and MISO lines Pin 31 is for DIO bo...

Page 35: ...valent to the SCXIbus D A line It indicates to the module whether the incoming serial stream on SERDATIN is data DAQD A 0 or address DAQD A 1 information Pin 29 is SLOT0SEL and is equivalent to the SCXIbus INTR line It indicates whether the data on the SERDATIN line is being sent to Slot 0 SLOT0SEL 0 or to a module SLOT0SEL 1 Pin 24 or 50 is the digital ground reference for the data acquisition bo...

Page 36: ... consult Appendix E SCXI 1162 Cabling Table 2 2 SCXIbus to SCXI 1162 Rear Signal Connector to Data Acquisition Board Pin Equivalences SCXIbus Line SCXI 1162 Rear Signal Connector MIO 16 Lab NB Lab PC Lab PC Lab LC PC LPM 16 DIO 24 DIO 96 DIO 32F MOSI D A INTR SPICLK MISO SERDATIN DAQD A SLOT0SEL SERCLK SERDATOUT ADIO0 ADIO1 ADIO2 EXTSTROBE BDIO0 PB4 PB5 PB6 PB7 PC1 DOUT4 DOUT5 DOUT6 DOUT7 DIN6 PB3...

Page 37: ...quisition board will talk Use the following procedure for selecting a slot in a particular chassis Figure 2 7 illustrates the timing of this procedure with the example of selecting Slot 11 in Chassis 9 Notice that the factory default chassis address for the SCXI 1001 is address 0 For information on changing the address of your chassis consult the SCXI 1000 1001 User Manual An SCXI 1000 chassis wil...

Page 38: ...ber will be selected When no communication is taking place between the data acquisition board and any modules write zero to the Slot Select Register to ensure that no accidental writes occur Figure 2 8 shows the timing requirements on the SERCLK and SERDATIN signals You must observe these timing requirements for all communications Tdelay is a specification of the SCXI 1162 Tlow Thigh SERCLK SERDAT...

Page 39: ... SCXI 1162 Address Handler of the binary pattern 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 This pattern is the address of the Data Register SERDATIN SERCLK 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 DAQD A Tdelay Tdelay SERCLK last rising edge to DAQD A low 425 nsec Figure 2 9 Address Handler Timing Diagram After the Address Handler has been written to an address line of a register has been asserted At that stage you ...

Page 40: ...ish you can write address FFFF hexadecimal to the Address Handler This selects the Parking Register and makes the module registers more immune to noise 4 Pull SLOT0SEL low to deassert the SS line and establish conditions for writing a new slot select number to the Slot 0 Slot Select Register 5 If you are not selecting another slot write zero to the Slot 0 Slot Select Register Figure 2 10 illustrat...

Page 41: ...OT0SEL DAQD A 1 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 1 1 1 1 1 1 1 1 1 1 1 In 31 In 0 Tclk_wait DAQ A low to first falling edge of SERCLK 150 nsec min Tdelay DAQ A high to SERDATOUT high 650 nsec max Tclk wait Figure 2 11 SCXI 1162 Data Register Read Timing Diagram For further details on these registers and their addresses refer to Chapter 4 Register Descriptions and Chapter 5 Programming ...

Page 42: ...n 29 In 30 In 31 In 28 In 1 In 2 In 3 In 0 Port 0 Port 7 SCXIbus Digital Interface Rear Signal Connector Module ID Address Handler Data Register Front Connector 4 4 Figure 3 1 SCXI 1162 Block Diagram The major components of the SCXI 1162 are as follows SCXIbus connector Register circuitry Digital interface circuitry Optically isolated input channels The SCXI 1162 module is dedicated to acquiring d...

Page 43: ...9 C9 D10 C10 D11 C11 D12 C12 D13 C13 D14 C14 D15 C15 D16 C16 D17 C17 D18 C18 D19 C19 D20 C20 D21 C21 D22 C22 D23 C23 D24 C24 A1 B1 A2 B2 A3 B3 A4 B4 A5 B5 A6 B6 A7 B7 A8 B8 A9 B9 A10 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 INTR D A CHSGND CHSGND 5V MOSI RESET MISO CHSGND CHSGND 5V SPICLK SS Figure 3 2 SCXIbus Connector Pin...

Page 44: ... 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 MISO lines Open collector I O C23 MOSI Master Out Slave In Transmits data from the SCXIbus to the module Open collector I O B24 SS Slot Select When low enables module communications over the SCXIbus Totem pole Input All other pins are not connected MOSI MISO SPICLK...

Page 45: ... assert the SS for that slot You do this by asserting INTR low writing a 16 bit number over MOSI corresponding to the desired slot and chassis if you are using an SCXI 1001 chassis and then releasing INTR high At this point the SS of the desired slot is asserted low and the data acquisition board can communicate with the module in that slot according to the SPI protocol Digital Interface Figure 3 ...

Page 46: ...ster Data Register Serial Data Out Address Handler Serial Controls In Figure 3 4 SCXI 1162 Register Circuitry The register circuitry section consists of the Address Handler the Data Register and the Module ID Register The Data Register contains a 4 byte parallel in serial out shift register When the SS line is low indicating that the module slot has been selected and the address handler has select...

Page 47: ...gital inputs Each bank of outputs has an isolated connection for the Vcc for that bank The inputs of each bank are referenced from their particular Vccs thus for any bank of inputs to work a Vcc must be connected to that particular bank When an input is driven low it must be pulled to 4 V below its respective Vcc with at least 7 mA of current to guarantee a logic low The Vcc and four inputs of one...

Page 48: ... Use the following guidelines to select the proper amount of series resistance Vmax 10 24 Rseries Vmin 4 7 Prated Vmax 2 Rseries x 1000 where Vmax maximum difference possible between inputs and Vcc in volts Vmin minimum drop below Vcc for an input to guarantee a logic low in volts Rseries value of the series resistor in kΩ Prated power rating of the series resistor in watts Note This module has no...

Page 49: ...he Module ID register has a unique format and is described in the Module ID Register section In some 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 1162 Registers The SCXI 1162 is a class II module It has an address handler that chooses one of three registers The Module ID Register is a...

Page 50: ... data 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 or the Data Register select the Parking Register write address FFFF to the Address Handler This increases the noise immunity of the module when it is in its quiescent state After you select the Parking Register SS should go high dese...

Page 51: ...significant 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 each time it is deselected or at reset or power up The Module ID Register address is hexadecimal 0000 Type Read only Word Size 4 byte Bit Map Byte 0 7 6 5 4 3 2 1 0 0 0 0 1 0 0 0 0 Byte 1 7 6 5 4 3...

Page 52: ...ne bit 31 first with each falling edge of SPICLK Type Write only Word Size 32 bit Bit Map 31 30 29 28 27 26 25 24 IN 31 IN 30 IN 29 IN 28 IN 27 IN 26 IN 25 IN 24 23 22 21 20 19 18 17 16 IN 23 IN 22 IN 21 IN 20 IN 19 IN 18 IN 17 IN 16 15 14 13 12 11 10 9 8 IN 15 IN 14 IN 13 IN 12 IN 11 IN 10 IN 9 IN 8 7 6 5 4 3 2 1 0 IN 7 IN 6 IN 5 IN 4 IN 3 IN 2 IN 1 IN 0 Bit Name Description 31 0 IN 31 0 Input x ...

Page 53: ...mmy 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 Register content and cause the relays to change state Select the Parking Register by writing FFFF hexadecimal to the Address Handler ...

Page 54: ...case of 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 Select Register If you are using multiple chassis it is important to understand the architecture of the Slot Select Register Although each chassis has its own physical Slot Select Register all are ...

Page 55: ... 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 X CHS4 7 6 5 4 3 2 1 0 CHS3 CHS2 CHS1 CHS0 SL3 SL2 SL1 SL0 Bit Name Description 15 9 X Don t care bits Unused 8 4 CHS 4 0 Chassis Bit 4 through 0 These bits determine which chassis is selected On th...

Page 56: ...t presenting the actual code Notation For the bit patterns to be written the following symbols are used 0 binary zero 1 binary one X don t care either zero or one may be written The bit patterns are presented MSB first left to right Register Reads This section describes how to read from the Data Register including the procedure for writing to the Slot Select Register to select the appropriate slot...

Page 57: ...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 written to the Slot Select Register b Clear SERCLK to 0 c Set SERCLK to 1 This rising edge clocks the data If you are using an MIO 16 board writing to the EXTSTROBE register pulses EXTSTROBE low and ...

Page 58: ...SERDATOUT line d After clocking the last data bit if you do not want to read another register write hexadecimal address FFFF to the Address Handler to increase the noise immunity of the module when it is in the quiescent state 7 Pull SLOT0SEL low to deassert the SS line and establish conditions for writing a new slot select number to the Slot 0 Slot Select Register 8 If you are not selecting anoth...

Page 59: ...c 1 5 V minimum Vcc 5 V maximum Logic low input current 7 mA minimum 25 mA maximum Input resistance 360 Ω Isolation bank to bank and bank to ground Breakdown 1 900 Vrms maximum Working 450 Vrms maximum Maximum speed Propagation delay parallel mode Vcc 5 V 2 µsec maximum 0 5 µsec typical Serial data rate 580 reads sec Common mode rejection 1 000 V µsec typical Physical Dimensions 1 2 by 6 8 by 8 0 ...

Page 60: ...x A SCXI 1162 User Manual A 2 National Instruments Corporation Operating Environment Temperature 0 to 50 C Relative humidity 5 to 90 at 35 C Storage Environment Temperature 55 to 150 C Relative humidity 5 to 90 noncondensing ...

Page 61: ...39 40 41 42 43 44 45 46 47 48 49 50 SERDATIN DAQD A SLOT0SEL MIO SERCLK GND MIO SERDATOUT MIO DIO SERCLK DIO SERDATOUT GND DIO A Jumper W2 in SER Position 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 Out 23 Out 22 Out 21 Out 17 Out 25 Out 24 Out 20 Out 12 GND Out 19 Out 18 Out 13 Out 16 Out 15 Out 14 Ou...

Page 62: ...ial stream is data or address information 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 line to clock the data on the MOSI and MISO lines Pin 31 is for DIO boards Pin 37 is for MIO boards and jumper W3 selects it All other pins are not connected With th...

Page 63: ...XI 1162 User Manual Appendix C SCXIbus Connector This appendix describes the pinout and signal names for the SCXI 1162 SCXIbus connector including a description of each connection Figure C 1 shows the pinout of the SCXI 1162 SCXIbus connector ...

Page 64: ... D14 C14 D15 C15 D16 C16 D17 C17 D18 C18 D19 C19 D20 C20 D21 C21 D22 C22 D23 C23 D24 C24 A1 B1 A2 B2 A3 B3 A4 B4 A5 B5 A6 B6 A7 B7 A8 B8 A9 B9 A10 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 INTR D A CHSGND CHSGND 5V MOSI RESET MISO CHSGND CHSGND 5V SPICLK SS Figure C 1 SCXIbus Connector Pin Assignment ...

Page 65: ...ress information or data information is being sent 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 0 Slot Select Register Open collector Output 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 MISO lines Open collector I O C23 MOSI Master...

Page 66: ... User Manual Appendix D SCXI 1162 Front Connector This appendix describes the pinout and signal names for the SCXI 1162 front connector including a description of each connection Figure D 1 shows the pin assignments for the SCXI 1162 front connector ...

Page 67: ...l Name 30 29 In 0 In 1 In 2 In 3 Vcc NC In 4 In 5 In 6 In 7 Vcc NC In 8 In 9 In 10 In 11 Vcc NC In 12 In 13 In 14 In 15 Vcc NC In 19 In 18 In 17 In 16 NC Vcc In 23 In 22 In 21 In 20 NC Vcc In 27 In 26 In 25 In 24 NC Vcc In 31 In 30 In 29 In 28 NC Vcc 26 25 22 21 18 17 14 13 10 9 6 5 2 1 Figure D 1 SCXI 1162 Front Connector Pin Assignment ...

Page 68: ...A22 B21 In 8 11 Vcc Bank 2 input channels and Vcc A21 C22 B18 A18 B17 In 12 15 Vcc Bank 3 input channels and Vcc A17 C18 A13 B13 A14 In 16 19 Vcc Bank 4 input channels and Vcc B14 C13 A9 B9 A10 In 20 23 Vcc Bank 5 input channels and Vcc B10 C9 A5 B5 A6 B6 In 24 27 Vcc Bank 6 input channels and Vcc C5 A1 B1 A2 B2 In 28 32 Vcc Bank 7 input channels and Vcc C1 C2 C6 C10 NC No Connect Unused pins C14 ...

Page 69: ...connector of the data acquisition board Attached to the mounting bracket is the 50 pin female mounting bracket connector that connects 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 or DIO 24 board to an SCXI 1180 feedthrough panel or an SCXI 1181 brea...

Page 70: ...E 1 SCXI 1162 MIO 16 and DIO 24 Pinout Equivalences Pin SCXI 1162 Rear Signal Connector MIO 16 Board DIO 24 Board Serial Parallel Equivalent Equivalent 1 Out 23 PC7 3 Out 22 PC6 5 Out 21 PC5 7 Out 20 PC4 9 Out 19 PC3 11 Out 18 PC2 13 Out 17 PC1 15 Out 16 PC0 17 Out 15 PB7 19 Out 14 PB6 21 Out 13 PB5 23 Out 12 PB4 24 DIG GND MIO DIG GND 25 SERDATIN Out 11 ADIO0 PB3 26 SERDATOUT MIO BDIO0 27 DAQD A ...

Page 71: ...rips in the rear of the chassis 5 Connect the loose end of the cable assembly to the MIO 16 or DIO 24 board rear signal connector Check the installation After step 1 the order of these steps is not critical however it is easier to locate the correct position for the mounting bracket with a module installed in the chassis If you are attaching a cable to the breakout connector installation is easies...

Page 72: ...the unmodified Lab board signals for use with an SCXI 1180 feedthrough panel or SCXI 1181 breadboard module The adapter board gives the Lab boards full access to the digital control lines The position of jumper W1 on the SCXI 1341 and SCXI 1344 is irrelevant because the SCXI 1162 does not use jumper W1 Table E 2 lists the SCXI 1341 and SCXI 1344 pin translations Table E 2 SCXI 1341 Pin Translation...

Page 73: ... Lab LC board according to the instructions given in the Installation section of Chapter 2 Configuration and Installation of the Lab LC User Manual Check the installation SCXI 1342 PC LPM 16 Cable Assembly The SCXI 1342 PC LPM 16 cable assembly connects a PC LPM 16 board to an SCXI 1162 module The SCXI 1342 cable assembly consists of two pieces an adapter board and a 50 conductor ribbon cable that...

Page 74: ...9 DIN7 28 No Connect 34 DOUT4 25 SERDATIN 35 DOUT5 27 DAQD A 36 DOUT6 29 SLOT0SEL 37 DOUT7 37 SERCLK 46 OUT2 46 No Connect 49 5 V 34 35 No Connect All other pins of the PC LPM 16 pinout are not sent to the SCXI 1162 rear signal connector SCXI 1342 Installation Follow these steps to install the SCXI 1342 1 Make sure that the computer and the SCXI chassis are turned off 2 Install the SCXI module to ...

Page 75: ... cannot accidentally disconnect the cable The SCXI 1351 includes a mounting bracket that mounts to the chassis so that you can remove and reinsert the module without explicitly removing the cable from the back of the chassis This is especially useful when the SCXI chassis is rack mounted making rear access difficult The SCXI 1351 has an extra female connector for use with the SCXI 1180 feedthrough...

Page 76: ...CPA6 PA6 36 86 Out 30 BPA6 DPA6 37 87 SERCLK MIO pin 37 only Out 5 APA5 CPA5 EXTSTROBE PA5 EXTSTROBE 38 88 Out 29 BPA5 DPA5 39 89 Out 4 APA4 CPA4 PA4 40 90 Out 28 BPA4 DPA4 41 91 Out 3 APA3 CPA3 PA3 42 92 Out 27 BPA3 DPA3 43 93 Out 2 APA2 CPA2 PA2 44 94 Out 26 BPA2 DPA2 45 95 Out 1 APA1 CPA1 PA1 46 96 Out 25 BPA1 DPA1 47 97 SERDATOUT DIO pin 47 only Out 0 APA0 CPA0 PA0 48 98 Out 24 BPA0 DPA0 50 10...

Page 77: ...ector Rear Panel Mounting Bracket Mounting Bracket Connector Male Breakout Connector Step 4 Step 5 Step 3 50 Pin Female Connector to Next Slot NB5 Cable Positions 1 through 50 Figure E 2 SCXI 1351 and NB5 Cable Installation SCXI 1348 DIO 32F Cable Assembly The SCXI 1348 DIO 32F cable assembly connects a DIO 32F board to an SCXI 1162 module The SCXI 1348 cable assembly consists of two pieces an ada...

Page 78: ...DIOC4 7 Out 20 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 Connect 20 IN2 28 No Connect 22 OUT2 30 No Connect 24 REQ2 32 No Connect 27 ACK1 18 No Connect 29 IN1 20 No Connect 31 OUT1 22 No Connect 33 REQ1 24 No Connect 35 DIOA4 39 Out 4 36 DIOA6 35 Out 6 37 DIOA0 47 SERDATOUT Out 0 38...

Page 79: ...nector 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 cabling scheme The front panel connector has the feedthrough connection You can attach an SCXI 1302 terminal block to the front panel connector for simple screw terminal connections A rear filler panel tha...

Page 80: ...tor 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 connect the SCXI 1180 breakout connector to the female connector on the SCXI 1351 Place the SCXI 1180 to the left of the SCXI 1351 looking to the front of the chassis ...

Page 81: ... 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 terminal block as shown in Figure E 5 2 With a flathead screwdriver carefully pry the cover off the terminal block 3 Insert each wire through the terminal block strain relief 4 Connect the wires to th...

Page 82: ...through 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 hold the SCXI 1302 securely in place Check the installation SCXI 1351 One Slot Cable Extender The SCXI 1351 cable extender is a miniature SCXI 1340 cable assembly Instead of connecting to an MIO board 1 m ...

Page 83: ...t 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 connecting multiple chassis you should use a 0 5 m length ribbon cable between chassis to minimize cable length and maintain signal integrity However you can use a 1 0 m cable from the data acquisition bo...

Page 84: ...assis SCXI 1343 Rear Screw Terminal Adapter You use the SCXI 1343 universal adapter to adapt custom wiring to the SCXI 1162 The SCXI 1343 has screw terminals and solder pads for signal connection A strain relief is on the outside of the rear panel Table E 6 SCXI 1343 Pin Connections Rear Signal SCXI 1162 Use Connector Pin Parallel Serial Connection 1 No Connect In 23 Solder pad 2 No Connect Screw ...

Page 85: ...IO In 5 Solder pad 38 No Connect In 29 Solder pad 39 No Connect In 4 Solder pad 40 No Connect In 28 Solder pad 41 No Connect In 3 Solder pad 42 No Connect In 27 Solder pad 43 No Connect In 2 Solder pad 44 No Connect In 26 Solder pad 45 No Connect In 1 Solder pad 46 No Connect In 25 Solder pad 47 SERDATOUT DIO In 0 Solder pad 48 No Connect In 24 Solder pad 49 No Connect Solder pad 50 DIG GND DIO DI...

Page 86: ...ble Monday through Friday from 8 00 a m to 6 00 p m central time In other countries contact the nearest branch office You may fax questions to us at any time Corporate Headquarters 512 795 8248 Technical support fax 800 328 2203 512 794 5678 Branch Offices Phone Number Fax Number Australia 03 879 9422 03 879 9179 Austria 0662 435986 0662 437010 19 Belgium 02 757 00 20 02 757 03 11 Denmark 45 76 26...

Page 87: ...fficiently 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 Name Company Address Fax Phone Computer brand Model Processor Operating system Speed MHz RAM M Display adapter Mouse yes no Other adapters installed Hard disk capacity M Brand Instruments used Nation...

Page 88: ...form accurately before contacting National Instruments for technical support helps our applications engineers answer your questions more efficiently SCXI 1162 Revision Chassis Slot Chassis Type Jumper W1 Jumper W2 Jumper W3 Jumper W4 Jumper W5 Jumper W6 Factory Setting My Setting 24 32 SER PAR DIO MIO DIO MIO A B MIO DIO PAR 24 32 SER PAR DIO MIO DIO MIO A B MIO DIO PAR Note Mark your jumper posit...

Page 89: ...Part Number 320572 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 your help Name Title Company Address Phone Mail to Technical Publications Fax to Technical Publications National Instruments Corporation National Instruments Corporation 6504 Bridge Point Parkway MS 53 ...

Page 90: ...Celsius CHS Chassis bit CHSGND Chassis Ground signal CMRR common mode rejection ratio D A Data Address signal DAQD A Data Acquisition Board Data Address Line signal dB decibels DIG GND Digital Ground signal DIN Deutsche Industrie Norme DMM digital multimeter F farads FIFO first in first out ft feet GND Ground signal hex hexadecimal Hz hertz II input current leakage Iin input current I O input outp...

Page 91: ...red To Output RTSI Real Time System Integration SCXI Signal Conditioning eXtensions for Instrumentation bus SDK Software Developer s Kit sec seconds SERCLK Serial Clock signal SERDATIN Serial Data In signal SERDATOUT Serial Data Out signal SL Slot bit SLOT0SEL Slot 0 Select signal SPDT single pole double throw SPI serial peripheral interface SPICLK Serial Peripheral Interface SPI Clock SS Slot Sel...

Page 92: ... pinout equivalences E 2 SCXI 1341 Lab NB Lab PC or Lab PC cable assembly E 4 installation E 5 pin translations E 4 SCXI 1342 PC LPM 16 cable assembly E 5 installation E 6 pin translations E 6 SCXI 1343 rear screw terminal adapter installation E 17 pin connections E 16 to E 17 SCXI 1344 Lab LC cable assembly E 4 installation E 5 pin translations E 4 SCXI 1348 DIO 32F cable assembly E 9 installatio...

Page 93: ...lences E 7 to E 8 SCXI 1351 and NB5 cable assembly E 7 SCXI 1351 and NB5 cable installation E 8 to E 9 DIO type boards digital I O signal connections 2 19 digital signal connections and jumper settings 2 7 jumper connections 2 4 2 5 SCXI 1162 MIO 16 and DIO 24 board pinout equivalences E 2 documentation conventions used in manual x organization of manual ix x related documentation xi E electrical ...

Page 94: ... 2 4 L Lab LC See SCXI 1344 cable assembly Lab NB Lab PC or Lab PC See SCXI 1341 cable assembly LabVIEW software 1 2 1 3 LabWindows software 1 2 1 3 M manual See documentation MIO type boards See also DIO 96 AT MIO 16D and AT MIO 64F 5 board connection digital I O signal connections 2 19 digital signal connections and jumper settings 2 7 jumper connections 2 4 2 5 SCXI 1162 MIO 16 and DIO 24 board...

Page 95: ...valents 5 2 R rear signal connector 2 16 to 2 20 digital I O signal connections 2 19 to 2 20 overview 2 16 pin assignments 2 17 B 1 pin equivalences data acquisition board 2 20 SCXIbus connector 3 4 signal descriptions 2 18 to 2 19 B 2 timing requirements and communication protocol 2 21 to 2 25 register circuitry Data Register 3 5 diagram 3 5 Module ID Register 3 5 reading from Module ID Register ...

Page 96: ...lences E 7 to E 8 SCXI 1351 one slot cable extender E 14 installation E 15 SCXIbus connector pin assignments 3 2 C 2 SCXIbus to rear signal connector to data acquisition board pin equivalents 5 2 signal descriptions 3 3 to 3 4 C 3 SERCLK signal digital I O signal connections 2 19 reading from Data Register 5 2 to 5 3 reading from Module ID Register or Data Register 2 24 to 2 25 rear signal connect...

Page 97: ... optional 1 2 to 1 3 specifications digital I O signal connections 2 20 digital inputs A 1 operating environment A 2 physical A 1 storage environment A 2 SPI bus See communication signals SPICLK signal reading from Module ID Register or Data Register 3 6 register circuitry 3 5 SCXIbus connector 3 3 C 3 SS signal reading from Module ID Register or Data Register 2 24 to 2 25 3 6 register circuitry 3...

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