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Manuals and User Guides for National Instruments ER-8. We have
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National Instruments ER-8 manual available for free PDF download: User Manual
National Instruments ER-8 User Manual (65 pages)
An 8-Channel or 16-Channel SPDT Relay Accessory for Data Acquisition Boards
Brand:
National Instruments
| Category:
Relays
| Size: 4 MB
Table of Contents
Table of Contents
6
About this Manual
9
Organization of this Manual
9
Conventions Used in this Manual
10
National Instruments Documentation
11
Customer Communication
12
Chapter 1 Introduction
13
About the ER-8/16
13
What You Need to Get Started
13
Optional Equipment
14
Software
14
Unpacking
14
Chapter 2 Setup
15
Figure 2-1. ER-8/16 Parts Locator Diagram
16
Table 2-1. Parts Locator Diagram Descriptions
17
Safety Information
18
Connecting the ER-8/16 to Your DAQ Device
19
Figure 2-2. the ER-8/16 Front Connector
21
Chapter 3 Signal Connections
22
Front Connectors
22
Using DIO-24 Devices
22
Using DIO-32 Boards
23
Power Supply
23
Channel Connections
24
Power-Up Conditions
25
Wire Gauge
25
Channel Isolation
25
Contact Protection for Inductive Loads
25
Figure 3-1. Contact Protection Using a Flyback Diode for DC Loads
26
Table 3-1. Arc Suppressor Placement, COM to no
26
Connecting Your Signal Lines
27
Table 3-2. Arc Suppressor Placement, COM to NC
27
Internal Connectors
28
Daisy Chaining the ER-8/16
29
Using the SC-205X Series with the ER-8
29
DAQ System Configurations with the ER-8/16
30
Figure 3-3. ER-8/16 Configurations with DIO Devices
30
Figure 3-4. ER-8/16 Configurations with Multifunction DAQ Devices
31
Chapter 4 Theory of Operation
32
Functional Overview
32
Figure 4-1. ER-8/16 Block Diagram
33
Digital Interface
34
Relay Channels
34
Figure 4-2. ER-8/16 Onboard Equivalent Circuit
34
Appendix A Specifications
35
Figure B-1. the DIO-24 Connector
37
Table B-1. DIO-24 Connector Pin Descriptions
38
Appendix B
39
I/O Connectors
39
Figure B-2. the DIO-32 Connector
39
Table B-2. DIO-32 Connector Pin Descriptions
40
Figure B-3. 26-Pin Internal Connectors
41
Table B-3. 26-Pin in Connector Pin Descriptions
41
Table B-4. 26-Pin out Connector Pin Descriptions
42
Appendix C
55
Appendix D
55
Appendix E
55
Customer Communication
55
Glossary
59
Index
61
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