National Instruments SCXI-1120/D User Manual
  1. Manuals
  2. Brands
  3. National Instruments Manuals
  4. I/O Systems
  5. SCXI-1120/D
  6. User manual
National Instruments SCXI-1120/D User Manual

National Instruments SCXI-1120/D User Manual

Eight-channel isolated analog input module and eight-channel wide band isolated analog input module for signal conditioning
Hide thumbs Also See for SCXI-1120/D:
Table of Contents

Advertisement

Quick Links

Download this manual
sales@artisantg.com
artisantg.com
(217) 352-9330 |
|
Click HERE
Find the National Instruments SCXI-1120 at our website:

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the SCXI-1120/D and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for National Instruments SCXI-1120/D

Summary of Contents for National Instruments SCXI-1120/D

  • Page 1 (217) 352-9330 | Click HERE Find the National Instruments SCXI-1120 at our website:...
  • Page 2 SCXI ™ SCXI-1120/D User Manual Eight-Channel Isolated Analog Input Module and Eight-Channel Wide Band Isolated Analog Input Module for Signal Conditioning SCXI-1120/D User Manual September 1999 Edition Part Number 320425D-01...
  • Page 3 Switzerland 056 200 51 51, Taiwan 02 2377 1200, United Kingdom 01635 523545 For further support information, see the Technical Support Resources appendix. To comment on the documentation, send e-mail to techpubs@natinst.com. © Copyright 1992, 1999 National Instruments Corporation. All rights reserved.
  • Page 4 The SCXI-1120 and SCXI-1120D are warranted against defects in materials and workmanship for a period of one year from the date of shipment, as evidenced by receipts or other documentation. National Instruments will, at its option, repair or replace equipment that proves to be defective during the warranty period. This warranty includes parts and labor.

  • Page 5: Table Of Contents

    Using Jumper W44 on Revision C of the SCXI-1120 and All Revisions of the SCXI-1120D ..........2-6 Analog Configuration..................2-8 Grounding, Shielding, and Reference-Mode Selection ....2-8 Direct Temperature Connection............2-10 Gain Jumpers for the SCXI-1120/D..........2-10 SCXI-1120 Filter Jumpers ..............2-12 SCXI-1120D Filter Jumpers .............2-13 Hardware Installation.....................2-14 Chapter 3 Signal Connections SCXI-1120/D Front Connector..................3-3...
  • Page 6 SCXI-1120/D Front Connector Pin Assignments......... 3-3 Figure 3-2. Ground-Referenced Signal Connection for the SCXI-1120/D with High Common-Mode Voltage ............3-5 Figure 3-3. Floating Signal Connection for the SCXI-1120/D Referenced to Chassis Ground for Better Signal-to-Noise Ratio......... 3-5 SCXI-1120/D User Manual www.natinst.com...
  • Page 7 AC-Coupled Signal Connection for the SCXI-1120D with High Common Mode Voltage ...............3-7 Figure 3-7. Floating AC-Coupled Signal Connection for the SCXI-1120D....3-7 Figure 3-8. SCXI-1120/D Rear Signal Connector Pin Assignments .......3-8 Figure 4-1. SCXI-1120/D Block Diagram ...............4-1 Figure 4-2. Digital Interface Circuitry Block Diagram..........4-3 Figure 4-3.

  • Page 8: About This Manual

    The SCXI-1120 and SCXI-1120D are National Instruments Signal Conditioning eXtensions for Instrumentation (SCXI) Series modules. The SCXI-1120/D provides eight isolated input channels. Each channel is independently configurable through jumpers. The SCXI-1120 module is designed for low-cost signal conditioning of...

  • Page 9: National Instruments Documentation

    About This Manual SCXI-1120D SCXI-1120D refers to only the SCXI-1120D module. SCXI-1120/D SCXI-1120/D refers to both the SCXI-1120D module and the SCXI-1120 module. Slot 0 Slot 0 refers to the power supply and control circuitry in the SCXI chassis. National Instruments Documentation...

  • Page 10: Introduction

    Introduction This chapter describes the SCXI-1120/D; lists what you need to get started; describes the optional software, optional equipment, and custom cables; and explains how to unpack the SCXI-1120/D kit. About the SCXI-1120/D The SCXI-1120/D has eight isolated input channels. The SCXI-1120 is a...

  • Page 11: What You Need To Get Started

    Detailed specifications of the SCXI-1120/D are listed in Appendix A, Specifications. What You Need to Get Started To set up and use your SCXI-1120/D, you will need the following items: SCXI-1120 or SCXI-1120D module SCXI-1120/D User Manual One of the following chassis and your SCXI chassis manual: –...

  • Page 12: Unpacking

    Chapter 1 Introduction Unpacking Your SCXI-1120/D module is shipped in an antistatic package to prevent electrostatic damage to the module. Electrostatic discharge can damage several components on the module. To avoid such damage in handling the module, take the following precautions: •...

  • Page 13: Ni-Daq Driver Software

    ANSI standard C programming language. The LabWindows/CVI Data Acquisition Library, a series of functions for using LabWindows/CVI with National Instruments DAQ hardware, is included with your NI-DAQ software kit. The LabWindows/CVI Data Acquisition Library is functionally equivalent to the NI-DAQ software.

  • Page 14: Optional Equipment

    Macintosh, or Sun) or Sun) Figure 1-1. The Relationship between the Programming Environment, NI-DAQ, and Your Hardware Optional Equipment National Instruments offers a variety of products to use with your SCXI-1120/D, as follows: • Cables and cable assemblies, shielded and ribbon •...

  • Page 15: Configuration And Installation

    Configuration and Installation This chapter describes how to configure the SCXI-1120/D jumpers and how to install the SCXI-1120/D into the SCXI chassis. Module Configuration The SCXI-1120/D includes 46 jumpers that are shown in Figure 2-1. © National Instruments Corporation SCXI-1120/D User Manual...

  • Page 16: Figure 2-1. Scxi-1120/D Parts Locator Diagram

    Filter Jumpers Hole Rear Signal Connector Front Connector Connector and Shell Mounting Holes SCXIbus Connector Grounding Digital Terminal Screw Jumpers Block First-Stage Mounting Thumbscrew Filter Jumpers Hole First-Stage Second-Stage Gain Jumpers REAR FRONT Gain Jumpers Figure 2-1. SCXI-1120/D Parts Locator Diagram...
  • Page 17 W44 does not exist. Note The revision letter is located on the National Instruments label located on the side of each SCXI-1120/D module. The revision letter is found in the part number and is the letter found in that part number. •...

  • Page 18: Digital Signal Connections

    The four digital signal connection jumpers have position 1 marked on the module. Position 3 is not marked explicitly on the module. The SCXI-1120/D has three jumpers dedicated for communication between the DAQ device and the SCXIbus. These jumpers are W42, W43, and W44.

  • Page 19: Using Jumpers W42 And W43

    • The SCXI-1120/D is not cabled to a DAQ device • The SCXI-1120/D is cabled to a DAQ device, and the SCXI chassis is the only SCXI chassis cabled to that DAQ device • The SCXI-1120/D is cabled to a DAQ device, and there are multiple...

  • Page 20: Using Jumper W44 On Revisions A And B Of The Scxi-1120

    SERDATOUT from each chassis to the DAQ device. When using multiple chassis cabled to your DAQ device with ribbon cables, leave jumper W43 in position 1 on all of the SCXI-1120/D modules that are cabled to the DAQ device. Set jumper W42 to position 1 on only one of the SCXI-1120/D modules cabled to the DAQ device.

  • Page 21: Table 2-1. Digital Signal Connections, Jumper Settings

    Applies only to SCXI-1120 Revisions C or later and all SCXI-1120D modules. Position 3—Parking position (not connected on Revisions A and B of the SCXI-1120). Position 1—Connects MISO to SERDATOUT (factory-default setting). Position 3—Parking position © National Instruments Corporation SCXI-1120/D User Manual...

  • Page 22: Analog Configuration

    Grounding, Shielding, and Reference-Mode Selection Jumper W46 Note The SCXI-1120/D will drive pins 4, 6, 8, 10, 12, 14, 16, and 18 on the rear signal connector, although the SCXI-1120/D is in multiplexed mode. SCXI-1120/D User Manual www.natinst.com...

  • Page 23: Table 2-2. Jumper W46 Settings

    AB-R2—Enables the NRSE mode and connects OUTREF, pin 19, of the rear signal connector to the analog reference. Use when SCXI-1120/D has to operate with DAQ devices that have NRSE input. Do not use with DIFF input DAQ devices. © National Instruments Corporation...

  • Page 24: Direct Temperature Connection

    ACH15 of the MIO devices or the PC-LPM-16/PnP. Gain Jumpers for the SCXI-1120/D Each input channel has two user-configurable gain stages. The first gain stage provides gains of 1, 10, 50, and 100, and the second stage provides gains of 1, 2, 5, 10, and 20.

  • Page 25: Table 2-5. Gain Jumper Positions

    To determine the overall gain of a given channel on the SCXI-1120D use the following formula: × × Overall Gain -- - First-Stage Gain Second-Stage Gain Table 2-5. Gain Jumper Positions Gain Setting Jumper Position First-stage A (factory-default setting) © National Instruments Corporation 2-11 SCXI-1120/D User Manual...

  • Page 26: Scxi-1120 Filter Jumpers

    Filter Jumper Filter Jumper Input 4 Hz 4 Hz Channel (Factory (Factory Number Default) 10 kHz Default) 10 kHz W17-A W17-B W18-A W18-B W19-A W19-B W20-A W20-B W21-A W21-B W22-A W22-B W23-A W23-B W24-A W24-B SCXI-1120/D User Manual 2-12 www.natinst.com...

  • Page 27: Scxi-1120D Filter Jumpers

    Your SCXI-1120D is shipped in the 4.5 kHz position. Verify that both stages are set to the same bandwidth to ensure that the required bandwidth is achieved. Notice that one jumper block is available for each filter stage. © National Instruments Corporation 2-13 SCXI-1120/D User Manual...

  • Page 28: Hardware Installation

    Turn off the computer that contains the DAQ device or disconnect it from your SCXI chassis. Turn off the SCXI chassis. Do not insert the SCXI-1120/D into a chassis that is powered on. Insert the SCXI-1120/D into the module guides. Gently guide the module into the back of the slot until the connectors make contact.

  • Page 29: Signal Connections

    If the device is damaged, turn the device off and do not use until service-trained personnel can check its safety. If necessary, return the device to National Instruments for service and repair to ensure that its safety is not compromised.
  • Page 30 MUST wires for the highest input voltage. National Instruments is not liable for any damages or injuries resulting from inadequate signal wire insulation. Use only 26 to 14 AWG wire with a voltage rating of 300 V and 60 °C for measuring 250 to 300 V; use only 600 V and 60 °C for measuring 480 V.

  • Page 31: Scxi-1120/D Front Connector

    Chapter 3 Signal Connections SCXI-1120/D Front Connector Figure 3-1 shows the pin assignments for the SCXI-1120/D front connector. CH0+ CH0- CH1+ CH1- CH2+ CH2- CH3+ CH3- CH4+ CH4- CH5+ CH5- CH6+ CH6- CH7+ CH7- RSVD RSVD RSVD +5 V MTEMP...

  • Page 32: Front Connector Signal Descriptions

    Chapter 3 Signal Connections Front Connector Signal Descriptions SCXI-1120/D front connector signal descriptions are listed in Table 3-1. Table 3-1. SCXI-1120/D Front Connector Signal Descriptions Signal Name Description CHSGND Chassis Ground—Tied to the SCXI chassis. DTEMP Direct Temperature Sensor—Connects the...

  • Page 33: Analog Input Channels

    Figure 3-2 shows how to connect a ground-referenced signal on the SCXI-1120/D. Figure 3-3 shows how to connect a floating signal on the SCXI-1120/D. Figures 3-4 through 3-7 show how to connect AC-coupled signals on the SCXI-1120/D.

  • Page 34: Floating Ac-Coupled Signal Connection For The Scxi-1120

    ±8 µV of offset, which is insignificant in most applications. However, if larger valued bias resistors are used, significant input offset may result. To determine the maximum offset introduced by the biasing resistor, use the following equation: × ofsbias bias bias SCXI-1120/D User Manual www.natinst.com...

  • Page 35: Temperature Sensor Connection

    Pins C2 and C4 are dedicated for connecting to a terminal block temperature sensor. The temperature sensor is not isolated and is referenced to the chassis ground. The connection is overvoltage protected to ±25 VDC with power on and ±15 VDC with power off. © National Instruments Corporation SCXI-1120/D User Manual...

  • Page 36: Scxi-1120/D Rear Connector

    SCXI-1120/D Rear Connector Note If you will be using the SCXI-1120/D with a National Instruments DAQ device and cable assembly, you do not need to read the remainder of this chapter. If you will also be using the SCXI-1180 feedthrough panel, the SCXI-1343 rear screw terminal adapter, or the SCXI-1351 one-slot cable extender with the SCXI-1120/D, you should read this section.

  • Page 37: Rear Connector Signal Descriptions

    MOSI is being sent to a module or slot 0. SCANCLK Scan Clock—Indicates to the SCXI-1120/D that a sample has been taken by the DAQ device and causes the SCXI-1120/D to change channels. SERCLK Serial Clock—This signal taps into the SCXIbus SPICLK line to clock the data on the MOSI and MISO lines.

  • Page 38: Analog Output Signal Connections

    OUTREF pin, and is connected internally to the analog reference when jumper W46 is in position AB-R2. Pins 3 through 18 are the analog output channels of the SCXI-1120/D. Pins 3 and 4, or MCH0±, are a multiplexed output of all eight channels and the temperature sensor output.

  • Page 39: Table 3-3. Scxibus To Scxi-1120/D Rear Connector To Daq Device Pin Equivalencies

    Chapter 3 Signal Connections The digital I/O signals of the SCXI-1120/D match the digital I/O lines of the MIO-16 device. When used with an SCXI-1341, SCXI-1342, or SCXI-1344 cable assembly, the SCXI-1120/D signals match the digital lines of the Lab-NB/Lab-PC+/Lab-LC devices and the PC-LPM-16/PnP device, respectively.

  • Page 40: Theory Of Operation

    Theory of Operation This chapter contains a functional overview of the SCXI-1120/D module and explains the operation of each functional unit making up the SCXI-1120/D. Functional Overview The block diagram in Figure 4-1 illustrates the key functional components of the SCXI-1120/D.

  • Page 41: Power-Up State

    1, 2, 5, 10, 20, 50, 100, 200, 250, 500, 1,000, and 2,000. The SCXI-1120D consists of eight isolated amplifier channels with gains of 0.5, 1, 2.5, 5 10, 25, 50, 100, 125, 250, 500, and 1,000. The SCXI-1120/D also has a digital section for automatic control of channel scanning and temperature selection.

  • Page 42: Scxibus Connector And Digital Interface

    Chapter 4 Theory of Operation SCXIbus Connector and Digital Interface Figure 4-2 shows a diagram of the SCXI-1120/D and SCXIbus digital interface circuitry. SCXIbus SERDATIN Buffered Serial DAQD*/A Data SLOT0SEL* Digital Interface SERCLK Buffered Digital Signal Controls SERDATOUT Figure 4-2. Digital Interface Circuitry Block Diagram The digital interface circuitry is divided into a data acquisition section and an SCXIbus section.

  • Page 43: Digital Control Circuitry

    Module ID Register. The Configuration Register provides channel selection and configures the SCXI-1120/D for scanning options. All the control bits are fed into a latch before being routed to the rest of the module. The channel-select bits are taken directly from the shift register.

  • Page 44: Analog And Timing Circuitry

    Analog and Timing Circuitry The SCXIbus provides analog power (±18.5 VDC) that is regulated on the SCXI-1120/D to ±15 VDC, a guard, an analog bus (AB0±), and a chassis ground (CHSGND). AB0± buses the SCXI-1120/D output to other modules or receives outputs from other modules through the SCXIbus. The...

  • Page 45: Analog Input Channels

    511 kΩ 511 kΩ Stage Input Channel 6 SCXI-1120D Only To Output 511 kΩ 511 kΩ Stage Input Channel 7 SCXI-1120D Only 511 kΩ To Output 511 kΩ Stage MTEMP DTEMP Figure 4-4. Analog Input Block Diagram SCXI-1120/D User Manual www.natinst.com...
  • Page 46 G ≤ 100. Refer to Appendix A, Specifications, for Gain versus BW for the SCXI-1120D. All the amplifier input channels are overvoltage protected to 250 V with power on or off. © National Instruments Corporation SCXI-1120/D User Manual...
  • Page 47 Chapter 4 Theory of Operation The isolated amplifiers fulfill two purposes on the SCXI-1120/D module. They convert a small signal riding on a high common-mode voltage into a single-ended signal with respect to the SCXI-1120/D chassis ground. With this conversion, the input analog signal can be extracted from a high common-mode voltage or noise before being sampled and converted by the DAQ device.

  • Page 48: Analog Output Circuitry

    Chapter 4 Theory of Operation Analog Output Circuitry Figure 4-5 shows the SCXI-1120/D analog output circuitry. SCXIbus Output Stage Switch Control Channel 0 MCH0+ Buffer Output Channel 7 MCH0- MTEMP MCH1+ From Channel 1 MCH1- Output Stage and Hardware Scan...
  • Page 49 MCH0 signal of the rear connector, which can be configured as the output of any channel of the SCXI-1120/D or as the output of any other module in multiplexed mode that is sending its output onto the SCXIbus.
  • Page 50 SCXIbus during a scan. You can specify this list to scan the modules in any order, with an arbitrary number of channels for each module entry in the list. However, the channels on the SCXI-1120/D must be scanned in a consecutive, ascending order (after channel 7 is scanned the module wraps back to channel 0 and continues).

  • Page 51: Calibration

    This chapter discusses the SCXI-1120/D calibration procedures. Calibration Equipment Requirements For best measurement results, calibrate the SCXI-1120/D so that its offset is adjusted to 0 ± 3 mV RTO and 0 ± 6 µV RTI. No special equipment is needed other than a regular voltmeter with the following specifications: •...

  • Page 52: Table 5-1. Calibration Potentiometers Reference Designators

    You may seal the potentiometers after calibration with antisabotage lacquer to avoid tampering with the calibration. Table 5-1 lists the potentiometer reference designators that correspond to each channel. Table 5-1. Calibration Potentiometers Reference Designators Input Amplifier Channel Channel Number Input Null Output Null SCXI-1120/D User Manual www.natinst.com...

  • Page 53: Appendix A Specifications

    ± -------------------------- - Offset drift RTI .......   Gain Gain drift......... 20 ppm/°C Input bias current ........±80 pA Input resistance Normal ..........1 GΩ Power off......... 50 kΩ Overload.......... 50 kΩ © National Instruments Corporation SCXI-1120/D User Manual...
  • Page 54 Includes the combined effects of the SCXI-1120 and the AT-MIO-16F-5 Includes the combined effects of the SCXI-1120 and the AT-MIO-16E-2 with 1 m or 2 m cable Includes the combined effects of the SCXI-1120 and the AT-MIO-16X with 1m or 2 m cable SCXI-1120/D User Manual www.natinst.com...
  • Page 55 Operating temperature ......0 to 50 °C Storage temperature ......–20 to 70 °C Relative humidity ........5% to 90% noncondensing Module designed to meet IEC-1010 standard for double or reinforced insulation for category II pollution degree 2 © National Instruments Corporation SCXI-1120/D User Manual...
  • Page 56 Appendix A Specifications for SCXI-1120 Safety Designed in accordance with IEC 61010-1, UL3111-1, and CAN/CSA C22.2 No. 1010.1 for electrical measuring and test equipment. Approved at altitudes up to 2000 m Installation Category II Pollution Degree 2 SCXI-1120/D User Manual www.natinst.com...

  • Page 57: Table A-1. Input Signal Range

    1000 ±5 mV 14 K 3.5 K Input coupling ........DC or AC with TBX-1329 or SCXI-1305 Maximum working voltage (Signal + CMV) ........250 V Overvoltage protection......250 V on or off © National Instruments Corporation SCXI-1120/D User Manual...

  • Page 58: Table A-2. System Noise Rti (0.1 Hz To 50 Khz

    Bandwidth (–3 dB) .........4.5 kHz or 22.5 kHz jumper selectable Slew Rate ..........2 V/µs Table A-2. System Noise RTI (0.1 Hz to 50 kHz) Gain Noise 10 µV /√Hz 1,000 0.1 µV /√Hz 0 Ω in low lead SCXI-1120/D User Manual www.natinst.com...

  • Page 59: Table A-3. Switching Supply Noise (Approximately At 100 Khz

    Type ............Second order low-pass RC filter Cutoff frequency (–3 dB) ....... 4.5 kHz, 22.5 kHz Stability Recommended warm-up ......30 min. Offset drift RTI ........± (20 ± 220/gain) µV/°C Gain drift ..........± 50 ppm/°C © National Instruments Corporation SCXI-1120/D User Manual...
  • Page 60 Relative humidity ........5% to 90% noncondensing Safety Designed in accordance with IEC 61010-1, UL3111-1, and CAN/CSA C22.2 No. 1010.1 for electrical measuring and test equipment. Approved at altitudes up to 2000 m Installation Category II Pollution Degree 2 SCXI-1120/D User Manual www.natinst.com...

  • Page 61: Technical Support Resources

    Technical Support Resources This appendix describes the comprehensive resources available to you in the Technical Support section of the National Instruments Web site and provides technical support telephone numbers for you to use if you have trouble connecting to our Web site or if you do not have internet access.
  • Page 62 If you have trouble connecting to our Web site, please contact your local National Instruments office or the source from which you purchased your National Instruments product(s) to obtain support. For telephone support in the United States, dial 512 795 8248. For...

  • Page 63: Glossary

    AB0– Negative Analog Bus 0 signal AB0EN Analog Bus 0 Enable bit ACH# data acquisition device Analog Input Channel Number analog-to-digital AOGND Analog Output Ground signal amperes, root mean square American Wire Gauge © National Instruments Corporation SCXI-1120/D User Manual...
  • Page 64 Clock Enable bit CLKOUTEN Scan Clock Output Enable bit CLKSELECT Scan Clock Select bit Count bit D*/A Data/Address signal digital-to-analog DAQD*/A Data Acquisition Board Data/Address Line signal decibels DIG GND Digital Ground signal Deutsche Industrie Norme digital multimeter SCXI-1120/D User Manual www.natinst.com...
  • Page 65 FOUTEN* Forced Output Enable bit Forced Retransmit bit GBWP gain bandwidth product GUARD Guard signal hexadecimal HSCR Hardscan Control Register HSRS* Hardscan Reset bit hertz input current leakage inches INTR* Interrupt signal input/output © National Instruments Corporation SCXI-1120/D User Manual...
  • Page 66 Positive Analog Output Channel Number signal MCH#– Negative Analog Output Channel Number signal multifunction I/O MISO Master-In-Slave-Out signal Module Number bit MOSI Master-Out-Slave-In signal most significant bit MTEMP Multiplexed Temperature Sensor signal multiplexed tempe NRSE nonreferenced single-ended (input) SCXI-1120/D User Manual www.natinst.com...
  • Page 67 (input) RSVD Reserved bit/signal resistance temperature detector RTEMP Read Temperature bit referred to input referred to output RTSI Real-Time System Integration SCANCLK Scan Clock signal SCANCLKEN Scan Clock Enable bit © National Instruments Corporation SCXI-1120/D User Manual...
  • Page 68 SLOT0SEL* Slot 0 Select signal Serial Peripheral Interface SPICLK Serial Peripheral Interface Clock signal Slot Select signal tempco temperature coefficient TRIG0 Trigger 0 signal Underwriters Laboratory volts Positive Analog Supply signal V– Negative Analog Supply signal SCXI-1120/D User Manual www.natinst.com...
  • Page 69 Glossary volts direct current input logic high voltage input logic low voltage output logic high voltage output logic low voltage volts, root mean square watts © National Instruments Corporation SCXI-1120/D User Manual...

  • Page 70: Index

    AC-coupled signal connections (figure) analog input specifications SCXI-1120, 3-6 SCXI-1120, A-1 to A-4 SCXI-1120D, 3-7 SCXI-1120/D, A-5 to A-7 analog and timing circuitry, 4-5 to 4-11 amplifier characteristics, A-6 analog input block diagram, 4-6 dynamic characteristics, A-6 to A-7 analog output circuitry, 4-9 to 4-11...
  • Page 71 SCXI-1120, A-3 SCXI-1120/D, A-8 equipment, optional, 1-5 DAQD*/A signal description (table), 3-9 SCXIbus to SCXI-1120/D to DAQ device pin equivalencies (table), 3-11 filter jumpers diagnostic resources, online, B-1 SCXI-1120, 2-12 to 2-13 DIG GND signal (table), 3-9 SCXI-1120/D, 2-13...
  • Page 72 3-7 LabVIEW software, 1-3 LabWindows/CVI software, 1-4 gain determination, calculating, 4-7 gain jumpers for SCXI-1120/D, 2-10 to 2-12 allocation (table), 2-10 to 2-11 manual. See documentation. positions (table), 2-11 to 2-12 MCH0± through MCH7± signals (table), 3-9 grounding, jumper W46 settings (table), module configuration.
  • Page 73 NI-DAQ driver software, 1-4 to 1-5 pin assignments unpacking, 1-3 front connector (figure), 3-3 SCXIbus connector and digital interface, 4-3 rear connector (figure), 3-8 SCXIbus to SCXI-1120/D to DAQ device pin powerup state, 4-2 equivalencies (table), 3-11 problem-solving and diagnostic resources, SERCLK signal online, B-1...
  • Page 74 Index SLOT0SEL* signal block diagram of SCXI-1120/D, 4-1 description (table), 3-9 digital control circuitry, 4-4 SCXIbus to SCXI-1120/D to DAQ device functional overview, 4-1 to 4-2 pin equivalencies (table), 3-11 SCXIbus connector and digital software programming choices, 1-3 to 1-5...

Table of Contents