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INSTALLATION GUIDE
SCXI -1331 H
™
T
B
ERMINAL
Introduction
Conventions Used in This Guide
»
bold
™
™
CVI
, LabVIEW
, National Instruments
names mentioned herein are trademarks or trade names of their respective companies.
322337B-01
© Copyright 1999, 2000 National Instruments Corp. All rights reserved.
-V
IGH
OLTAGE
LOCK
This guide describes how to use and install the SCXI-1331 terminal block
with your SCXI-1127/1128 module.
The SCXI-1331 terminal block consists of a shielded board with 84 screw
terminals for easy connection to the SCXI-1127 or the SCXI-1128 input
connector. The SCXI-1331 allows you to connect 1-, 2-, and 4-wire signals
to the SCXI-1127/1128. It also has terminals for connecting external
trigger signals to the SCXI-1127/1128. Detailed explanations of the various
input and triggering terminals of the SCXI-1331 are in the SCXI-1127/1128
User Manual.
The following conventions are used in this guide:
The » symbol leads you through nested menu items and dialog box options
to a final action. The sequence File»Page Setup»Options directs you to
pull down the File menu, select the Page Setup item, and select Options
from the last dialog box.
This icon denotes a note, which alerts you to important information.
This icon denotes a caution, which advises you of precautions to take to
avoid injury, data loss, or a system crash.
Bold text denotes items that you must select or click on in the software,
such as menu items and dialog box options. Bold text also denotes
parameter names.
™
™
™
, ni.com
, NI-DAQ
, and SCXI
G
ENERAL
™
are trademarks of National Instruments Corporation. Product and company
-P
URPOSE
December 2000
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Table of Contents
Related Manuals for National Instruments SCXI-1331
Summary of Contents for National Instruments SCXI-1331
- Page 1 ENERAL URPOSE ERMINAL LOCK This guide describes how to use and install the SCXI-1331 terminal block with your SCXI-1127/1128 module. Introduction The SCXI-1331 terminal block consists of a shielded board with 84 screw terminals for easy connection to the SCXI-1127 or the SCXI-1128 input connector.
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Page 2: What You Need To Get Started
This font is also used for the proper names of disk drives, paths, directories, programs, subprograms, subroutines, device names, functions, operations, variables, filenames and extensions, and code excerpts. What You Need to Get Started To set up and use your SCXI-1331 terminal block, you need the following items: ❑ SCXI-1331 terminal block ❑... -
Page 3: Safety Information
Do not substitute parts or modify equipment. Because of the danger of introducing additional hazards, do not install unauthorized parts or modify the terminal block. Return the module to National Instruments for service and repair to ensure that its safety features are not compromised. - Page 4 Connections, including power signals to ground and vice versa, that exceed any of the maximum signal ratings on the SCXI-1331 can damage any or all of the modules connected to the SCXI chassis, the host computer, and the SCXI-1331. National Instruments is not liable for any damages or injuries resulting from incorrect signal connections.
- Page 5 2 Strain-Relief Screws 4 Mating Connector 5 Thumbscrews Figure 1. SCXI-1331 Parts Locator Diagram Unscrew the top cover screws and remove the top cover. Loosen the strain-relief screws and remove the strain-relief bar. Run the signal wires through the strain-relief opening. You can add insulation or padding if necessary.
- Page 6 When connecting your signals to the SCXI-1331, follow the labeling on the SCXI-1331 for the appropriate module, as indicated in Figure 2. 1 Multiplexer Outputs 6 External Trigger Input (EXTTRIGIN) 2 2-Wire Mode Channel Numbering 7 Scanner Advanced Output (SCANADV)
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Page 7: Installing The Terminal Block
Temperature Sensor Output and Accuracy The SCXI-1331 temperature sensor outputs 0.2 to 0.024 V from 0 to 50 °C and has an accuracy of ±0.5 °C over the 15 to 35 °C range and ±0.9 °C over the 0 to 15 °C and 35 to 50 °C ranges. -
Page 8: Specifications
0.9 °C from 0 to 15 °C and 35 to 50 °C Output .............0.2 to 0.024 V from 0 to 50 °C The temperature sensor accuracy includes tolerances in all component values, effects caused by temperature, loading, self-heating, and temperature gradients. SCXI-1331 Installation Guide ni.com... -
Page 9: Maximum Voltage
Electrical immunity........ Evaluated to EN 61326:1998, Table 1 Note This device should only be operated with shielded cabling for full EMC and EMI compliance. See the Declaration of Conformity for this product for any additional regulatory compliance information. © National Instruments Corporation SCXI-1331 Installation Guide... -
Page 10: Technical Support Resources
Technical Support Resources NI Web Support National Instruments Web support is your first stop for help in solving installation, configuration, and application problems and questions. Online problem-solving and diagnostic resources include frequently asked questions, knowledge bases, product-specific troubleshooting wizards, manuals, drivers, software updates, and more. Web support is available through the Technical Support section of ni.com...
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