National Instruments 1128, SCXI-1127 user manual

SCXI™

SCXI-1127/1128

User Manual

SCXI-1127/1128 User Manual

December 2000 Edition

Part Number 322149B-01

Contents

Main Page Important Information Warranty Copyright Trademarks WARNING REGARDING USE OF NATIONAL INSTRUMENTS PRODUCTS Compliance FCC/Canada Radio Frequency Interference Compliance* Determining FCC Class FCC/DOC Warnings Class A European Union - Compliance to EEC Directives Conventions Contents Chapter 1 Installing and Configuring the SCXI-1127/1128 Chapter 2 Using the SCXI-1127/1128 Page Glossary Index Figures Tables Installing and Configuring the SCXI-1127/1128 Installing the Software Installing the Hardware Installing the SCXI-1127/1128 Module into the SCXI Chassis Connecting the SCXI-1127/1128 to the DMM in a Single-Chassis System Single 4-Slot Chassis Configuration Refer to Figures 1-2 and 1-3 to make connections in the single 4-slot chassis configuration. Figure 1-2. 4-Slot Single-Chassis Installation Page Single 12-Slot Chassis Configuration Refer to Figures 1-4 and 1-5 to make connections in the single 12-slot chassis configuration. Figure 1-4. 12-Slot Single-Chassis Installation Page Connecting the SCXI-1127/1128 to the DMM in a Multichassis System 4-Slot and 4-Slot Multichassis Configuration Refer to Figure 1-6 to set up this multichassis configuration. Figure 1-6. 4-Slot to 4-Slot Multichassis Configuration Parts Locator Diagram 4-Slot and 12-Slot Multichassis Configuration Refer to Figure 1-7 to set up this multichassis configuration. Figure 1-7. 4-Slot to 12-Slot Multichassis Configuration Parts Locator Diagram 12-Slot and 12-Slot Multichassis Configuration Page Connecting the SCXI-1127/1128 to the DMM in a PXI-1010 Chassis DMM in PXI Slots 1 through 7 Configuration DMM in PXI Slot 8 Configuration Connecting the SCXI-1127/1128 to the DMM in the PXI-1011 Chassis DMM in PXI Slots 1 through 3 Configuration DMM in PXI Slot 4 Configuration Accessing the SCXI-1127/1128 through Other SCXI Modules Using aDAQ Device Page Using a DAQ Device on a PXI-1010 Chassis Using a DAQ Device on a PXI-1011 Chassis Connecting the SCXI-1127/1128 to an External DMM Page Configuring and Self-Test Auto-Detecting Modules Manually Adding Modules Safety Information Page Using the SCXI-1127/1128 Operating as a Multiplexer/Scanner Page 2-Wire Channel Scanning Configuration Page 1-Wire Channel Scanning Configuration 4-Wire Channel Scanning Configuration Page Page 4-Wire versus 2-Wire Resistance Measurement Mixed Mode Configuration Hardware-Timed and Software Scanning Hardware-Timed Scanning Chapter 2 Using the SCXI-1127/1128 Figure 2-11. Hardware Scanning Flowchart National Instruments Corporation 2-13 SCXI-1127/1128 User Manual Hardware-Timed Scanning Using a DMM Hardware-Timed Scanning Using External Instruments Synchronous Scanning Handshaking Scanning Page Software Scanning Making Temperature Measurements Making Thermocouple Measurements - Making RTD Measurements Making Thermistor Measurements Operating as a Matrix 32 1 Matrix Configuration 4 8 Matrix Configuration Page Page Matrix Expansion Page Page Page Figure 2-25 shows the schematic of the 8 16 matrix shown in Figure 2-24. Figure 2-25. 8 16 Matrix Schematic Page Chapter 2 Using the SCXI-1127/1128 Figure 2-26. SCXI-1127/1128 Relay Configuration SCXI-1127/1128 User Manual 2-30 ni.com CJS Front Signal Connector Bank 4 Specifications SCXI-1127 Input Characteristics Transfer Characteristics Dynamic Characteristics Trigger Characteristics Stability Physical Environment Safety SCXI-1128 Input Characteristics Transfer Characteristics Page Page B Accessories Page C Customizing Your Module Page D Figure D-1. SCXI-1127/1128 Front Connector Pin Assignments for 2-Wire Mode Figure D-2. SCXI-1127/1128 Front Connector Pin Assignments for 1-Wire Mode Figure D-3. SCXI-1127/1128 Front Connector Pin Assignments for 4-Wire Mode Figure D-4. SCXI-1127/1128 Front Connector Pin Assignments to Create an 4 8Matrix Page E Common Questions Page Page F Technical Support Resources Web Support NI Developer Zone Customer Education System Integration Worldwide Support Glossary Symbols A B C D E Page R S T V Page Index Numbers A C D E F G H M N O P Q R T W