Rockwell-automation 1771-IR Series D RTD Input Module User Manual Manual do Utilizador descarregar pdf (Página 37)

5–3Module Status and Input Data

Publication 1771Ć6.5.129 - March 2000

Word DefinitionBit

Word 9

(cont.)

Bit 07 Faulty calibration (no save)

Bits 08-15

(10-15)

Channel failed calibration. Bit 10 for input 1, bit 11 for input 2, etc.

Table 5.D

Overrange and Underrange Values

Indication

BTW

Word 1, Bit 10

RTD Ohms

Underrange 0 Platinum < 1.00 < -200 < -328

Overange

> 600.00 > 870 > 1598

Underrange 1 Copper < 1.00 < -200 < -328

Overrange > 327.67 > 260 > 500

In this chapter you learned the meaning of the status information that

the RTD input module sends to the processor.

Chapter Summary

1 2 ... 32 33 34 35 36 37 38 39 40 41 42 ... 78 79

   1
 1
Important User Information 2
   3
Related Products 4
Product Compatibility 4
Related Publications 5
Using This ManualP–4 6
Table of Contents 7
Configuring Your RTD 8
Module Status and Input 8
Calibrating Your Module 8
Table of Contents toc-iii 9
Table of Contents 10
Overview of the RTD Input 11
How Analog Modules 12
Communicate with 12
Programmable Controllers 12
Accuracy 13
Chapter Summary 13
Installing the RTD Input 15
Calculate Power 16
Requirements 16
Determine Module 16
Placement in the I/O 16
Key the Backplane 17
Connector 17
Install the Module and 17
Field Wiring Arm 17
Connect Wiring to the 18
Ground the Chassis and Module 20
Interpret Status Indicators 21
  23
PLC-2 Program Example 24
Program Action 25
PLC-3 Program Example 26
PLC-5 Program Example 27
Module Scan Time 28
Configuring Your RTD Module 29
Data Format 30
RTD Type 30
Units of Measure 30
Real Time Sampling 31
Configuring Block for a 32
Block Transfer Write 32
Bit/Word Descriptions 32
calibration complete 34
Module Status and Input Data 35
   39
Performing 40
Auto-calibration 40
Gain Calibration 42
Performing Manual 43
Calibration 43
Refer to the table below 44
Calibration 45
 47
(1771-IR/D) 48
7–4 Troubleshooting 50
 51
  53
PLC-3 Family Processors 54
PLC-5 Family Processors 55
Programming ExamplesB–4 56
   57
Signed-magnitude Binary 58
Two's Complement Binary 59
Data Table FormatsC–4 60
Block Transfer (Mini-PLC-2 61
Setting the Block Length 63
(Multiple GET Instructions 63
2 and 4-Wire RTD Sensors 65
2 and 4–Wire RTD SensorsE–2 66
Connecting 4-Wire 67
2 and 4–Wire RTD SensorsE–4 68
Differences Between Series A 69
RTD Modules and Series B. C 69
CSA Hazardous Location 73
Approval 73
AllenĆBradley 77
Publication Problem Report 77
BUSINESS REPLY MAIL 78
Worldwide representation 79

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