Rockwell-automation 1771-IR , D17716.5.76 RTD INPUT MODULE Manual de usuario descargar pdf (Pagina 28)

Module Configuration

Chapter 5

54

The complete configuration block for the block transfer write to the module is

defined in Table 5.C below.

Table 5.C

Configuration

Block for RTD Input Module Block Transfer W

rite

Word 17 16 15 14 13 12 11 10 07 06 05 04 03 02 01 00

1 Sample Time

(for RTS)

Data

Format

RTD

Type

Units of

Measure

Single channel in ohms

2 10 ohm resistance @ 25

3 Channel 1 Bias

4 Channel 2 Bias

5 Channel 3 Bias

6 Channel 4 Bias

7 Channel 5 Bias

8 Channel 6 Bias

9 Channel 1 calibration

10 Channel 2 calibration

11 Channel 3 calibration

12 Channel 4 calibration

13 Channel 5 calibration

14 Channel 6 calibration

15 Auto-calibration request word

Configuring

Block for a

Block T

ransfer W

rite

1 2 ... 23 24 25 26 27 28 29 30 31 32 33 ... 67 68

RTD Input Module 1
Cat. No. 1771-IR Series B 1
Important User Information 2
Table of Contents 3
Table of Contentsii 4
Table of Contents iii 5
Using This Manual 6
Chapter 1 8
Related Publications 8
Module Description 9
Features of the Input Module 9
Chapter 2 10
How Analog Modules 10
Communicate with 10
Programmable Controllers 10
Series B Cat. No. 1771-WF 11
1771-6.5.76 11
Chapter Objectives 12
Before You Install Your Input 12
Electrostatic Damage 12
Chapter 12
Chapter 3 14
Connecting Wiring 14
Grounding the Input Module 16
Installing the Input Module 16
Interpreting the Indicator 17
Chapter Summary 17
Module Programming 18
Chapter 4 19
PLC-2 Program Example 19
Module Scan Time 24
Module Configuration 25
Units of Measure 26
Configuring 28
Block for a 28
Chapter 5 29
Bit/Word Descriptions 29
Default Configuration for the 30
Module Status and Input Data 31
Chapter 6 32
Module Calibration 34
Performing Auto-calibration 35
Complete 36
Chapter 7 37
Save Calibration Values 38
Performing Manual Calibration 38
Offset Calibration 39
Gain Calibration 40
Troubleshooting 42
Chapter 8 43
Status Reported in Word 9 44
Specifications 45
Appendix A 46
Programming Examples 47
Appendix B 48
PLC-3 Family Processors 49
PLC-5 Family Processors 50
Data Table Formats 52
Data Formats 53
Appendix C 53
Signed-magnitude Binary 53
Two's Complement Binary 54
Processors) 55
PLC-2/20 Processors) 56
Appendix D 56
2 and 4-Wire RTD Sensors 60
2 and 4-Wire Sensors 61
Appendix E 61
Connecting 4-Wire Sensors 61
RTD Input Modules 63
Differences between Series A 64
Appendix F 64
Printed in USA 68

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