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1771-QRD
Allen-Bradley 1771-QRD Manuals
Manuals and User Guides for Allen-Bradley 1771-QRD. We have
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Allen-Bradley 1771-QRD manual available for free PDF download: Installation And User Manual
Allen-Bradley
1771-QRD
Installation And User Manual
Allen-Bradley 1771-QRD Installation And User Manual (46 pages)
Pulse Flowmeter Module
Brand:
Allen-Bradley
| Category:
Control Unit
| Size: 0.73 MB
Table of Contents
Table of Contents
4
Before You Begin
6
Manual's Purpose
6
Audience
6
Vocabulary
6
Overview of the Manual
6
Warnings and Cautions
7
Explosion Hazard
7
Related Products
7
Product Compatibility
8
Related Publications
8
Introduction
10
Chapter Objectives
10
Module Description and General Features
10
How the 1771-QRD Works
11
How the 1771-QRD Communicates with Programmable Controllers
12
Chapter Summary
12
Installation
13
Chapter Objective
13
Installing the 1771-QRD Module
13
Power Requirements
13
Module Location in the I/O Chassis
14
Module Keying
14
Wiring
14
Electrostatic Discharge
15
Module Installation
15
Indicators
19
Chapter Summary
19
Module Programming
20
Chapter Objectives
20
Reading Data from the Module
20
Overrange and Overflow
21
Block Transfer Programming
21
Example #1: PLC-5/15 Processor in a Local 1771 Backplane
22
Example #2: PLC-5/15 with Remote I/O
27
Example #3: PLC-3/10 with Remote I/O
31
More on Overrange and Overflow
34
Chapter Objectives
34
Frequency Overrange Flags
34
Totalizer Overflow Flags
35
Using a Block Transfer Write to Reset the Totalizer(S)
36
And/Or Overflow Flags
36
Chapter Summary
38
Troubleshooting
39
Chapter Objectives
39
Data Formats
41
Block Transfer Write Format from PLC to QRD
41
Response from QRD to PLC Block Transfer
41
Specifications
43
Power Requirements
43
Environment
43
Agency Approval
43
Packaging
43
Weight
43
Capacity
43
Performance
43
Operational Limits
44
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