Rockwell-automation 1771-IR , D17716.5.76 RTD INPUT MODULE Manual de usuario descargar pdf (Pagina 37)

Module Calibration

Chapter 7

74

Figure 7.2

Resistor

Location for Gain Calibration

12935

Channel 1

Channel 2

Channel 3

Channel 4

Channel 5

Channel 6

Terminal

Identification

402.0 ohm Resistor

Repeat for

each channel

2. Apply power to the module.

3. After the connections stabilize, request the gain calibration by setting bit

01 in BTW word 15 and sending a block transfer write (BTW) to the

module. Refer to Table 7.A.

NOTE: Normally, all channels are calibrated simultaneously (bits 10–15 of

word 15 are octal 0). To disable calibration on any channel, set (1) the

corresponding bit 10 through 15 of word 15.

4. Queue BTRs to monitor for gain calibration complete and channels which

may not have calibrated successfully.

1 2 ... 32 33 34 35 36 37 38 39 40 41 42 ... 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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