National Instruments SCXI-1120 - Manual

National Instruments SCXI-1120

National Instruments SCXI-1120 – Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.

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Table of Contents:

  • Page 3 – Warning Regarding Medical and Clinical Use
  • Page 4 – Contents; About This Manual; xi
  • Page 7 – Glossary
  • Page 8 – Figures
  • Page 9 – Tables
  • Page 10 – Organization of This Manual; The SCXI-1120 User Manual is organized as follows:
  • Page 11 – Conventions Used in This Manual; italic
  • Page 12 – Related Documentation; Your DAQ board user manual; Customer Communication
  • Page 14 – What Your Kit Should Contain; Kit Component; Optional Software
  • Page 15 – Optional Equipment; Equipment
  • Page 16 – Custom Cables; Unpacking
  • Page 17 – Module Configuration
  • Page 19 – Figure 2-2 shows a detailed parts locator diagram of the SCXI-1120.
  • Page 20 – The jumpers are used as follows:; Digital Signal Connections
  • Page 21 – Position 3 is reserved and should not be used.; pullup resistor to the SERDATOUT line. Position 3 does; not connect the pullup resistor to the SERDATOUT line.
  • Page 22 – Jumper; Parking position
  • Page 23 – Factory default; Analog Configuration; The SCXI-1120 has 42 analog configuration jumpers.
  • Page 24 – Factory setting in parking position; Direct Temperature Connection
  • Page 27 – Hardware Installation; Turn on the computer or reconnect it to your chassis.; Signal Connections
  • Page 28 – Front Connector
  • Page 29 – Front Connector Signal Descriptions; Pin; Do not connect any signals to these pins.; Analog Input Channels
  • Page 31 – Temperature Sensor Connection
  • Page 36 – Block Installation section later in this chapter.
  • Page 39 – Terminal Block Installation; Rear Signal Connector
  • Page 41 – Rear Signal Connector Signal Descriptions
  • Page 42 – Analog Output Signal Connections; , are a multiplexed output of all eight channels and the; Digital I/O Signal Connections; and are tied to the module digital ground.
  • Page 43 – SCXIbus Line
  • Page 44 – Timing Requirements and Communication Protocol; Timing Signal; Figure 2-12. SCANCLK Timing Requirements; Communication Signals
  • Page 45 – is a specification of the
  • Page 46 – To write to the Configuration Register, follow these steps:
  • Page 47 – Figure 2-15. Configuration Register Write Timing Diagram
  • Page 48 – Functional Overview
  • Page 49 – SCXIbus Connector
  • Page 50 – Figure 3-2. SCXIbus Connector Pin Assignment
  • Page 51 – SCXIbus Connector Signal Descriptions
  • Page 53 – Digital Interface; Figure 3-3. Digital Interface Circuitry Block Diagram
  • Page 54 – Digital Control Circuitry; the Configuration Register bits.
  • Page 55 – Analog and Timing Circuitry; The SCXIbus provides analog power (; Figure 3-5 is a diagram of the analog input block.
  • Page 57 – Calibration; Calibration Equipment Requirements
  • Page 58 – Offset Null Adjust; Set the DMM range to the smallest range that can measure
  • Page 59 – Table 3-2. Calibration Potentiometers Reference Designators
  • Page 60 – and; Scanning Modes
  • Page 61 – Single-Module Parallel Scanning; Multiplexed Scanning; Single-Module Multiplexed Scanning
  • Page 62 – Multiple-Module Multiplexed Scanning
  • Page 63 – Multiple-Chassis Scanning
  • Page 64 – Register Description; Register Description Format
  • Page 65 – Module ID Register
  • Page 66 – Configuration Register; CLKOUTEN
  • Page 67 – Bit
  • Page 68 – Slot 0 Register Descriptions
  • Page 71 – FIFO Register
  • Page 72 – Programming Considerations; Notation; For the bit patterns to be written, the following symbols are used:; Register Writes
  • Page 74 – Initialization; Single-Channel Measurements; Direct Measurements; Parallel Output
  • Page 75 – Indirect Measurements
  • Page 76 – Scanning Measurements
  • Page 77 – Data Acquisition Board Setup Programming
  • Page 78 – Programming Multiple A/D Conversions with Channel Scanning
  • Page 79 – Module Programming
  • Page 80 – CCC
  • Page 81 – to its Configuration Register.; Programming the Slot 0 Hardscan Circuitry
  • Page 82 – To program the hardscan circuitry, perform the following steps:
  • Page 83 – Scanning Examples; Example 1; Programming section of this chapter.
  • Page 84 – Example 2
  • Page 85 – Example 3; Chassis 1
  • Page 86 – Write
  • Page 87 – Analog Input
  • Page 89 – Physical
  • Page 93 – Figure C-1 shows the pinout of the SCXI-1120 SCXIbus connector.
  • Page 94 – Figure C-1. SCXIbus Connector Pin Assignment
  • Page 96 – SCANCON
  • Page 99 – SCXI-1180 feedthrough panel
  • Page 101 – Check the installation.
  • Page 102 – Lab Board Pin
  • Page 103 – Rear Signal
  • Page 104 – SCXI-1180 Feedthrough Panel
  • Page 105 – Make sure that the computer and the SCXI chassis are turned off.
  • Page 106 – Connect the wires to the screw terminals.
  • Page 107 – Follow these steps to install the SCXI-1302:
  • Page 108 – SCXI-1350 Multichassis Adapter
  • Page 109 – multichassis adapters.; SCXI-1343 Rear Screw Terminal Adapter; Insert each wire through the adapter strain-relief opening.
  • Page 111 – Figure F-1. Revision A and B SCXI-1120 Signal Conditioning Module
  • Page 112 – Figure F-2. Revision A and B SCXI-1120 General Parts Locator Diagram
  • Page 114 – Branch Offices
  • Page 115 – Technical Support Form
  • Page 116 – SCXI-1120 Hardware Configuration Form
  • Page 117 – Documentation Comment Form
  • Page 118 – Prefix
  • Page 122 – Index
  • Page 124 – register selection and write
  • Page 130 – single-module parallel
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© Copyright 1992, 1994 National Instruments Corporation.

All Rights Reserved.

SCXI-1120

User Manual

Eight-Channel Isolated Analog Input Module for Signal Conditioning

August 1994 Edition

Part Number 320425B-01

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Summary

Page 3 - Warning Regarding Medical and Clinical Use

Limited Warranty The SCXI-1120 is warranted against defects in materials and workmanship for a period of one year from the date ofshipment, as evidenced by receipts or other documentation. National Instruments will, at its option, repair or replaceequipment that proves to be defective during the war...

Page 4 - Contents; About This Manual; xi

© National Instruments Corporation v SCXI-1120 User Manual Contents About This Manual ............................................................................................................. xi Organization of This Manual ............................................................................

Page 7 - Glossary

Contents SCXI-1120 User Manual viii © National Instruments Corporation Appendix ESCXI-1120 Cabling ............................................................................................................. E-1 SCXI-1340 Cable Assembly .................................................................

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