Rockwell-automation 1771-N SERIES High Resolution Analog Module User M Manuel d'utilisateur télécharger pdf (Page 87)

Specifications A–7

Publication 1771ĆUM127B-EN-P - December 2002

Figure A.2

Derating Curves for 50mA Outputs on the 1771ĆN Series Modules

0102030405060

Ambient Temperature (

Output Current vs. Ambient Temperature

as a function of Load Resistance

Output

Current

(mA)

Important: If you require 60

C operation with 50mA outputs, install a

resistance in series with the load impedance so that the total load

impedance is equal to 300 ohms.

1 2 ... 82 83 84 85 86 87 88 89 90 91 92 ... 187 188

User Manual 1
Important User Information 2
ATTENTION 3
Using this Manual 5
Related Products 6
Product Compatibility 6
Related Publications 7
Using this ManualP–4 8
Table of Contents 9
Chapter 4 10
Configuring the Module 10
Table of Contents toc-iii 11
Table of Contentstoc-iv 12
Table of Contents toc-v 13
Table of Contentstoc-vi 14
Overview of the High 15
Resolution Isolated 15
Analog Modules 15
Features of the High 16
Analog Series Modules 16
Refer to 17
Appendix 17
Installing the Module 19
Determine Module 20
Location in the I/O Chassis 20
Install the Analog Module 20
Install the Module in the 21
Chassis and Connect the 21
Connecting Wiring 23
• R = return 26
• I = input 26
• O = output 26
• S = shield 26
Connecting 4ĆWire 27
Sourcing Input Analog 28
Making Your Own Cables 29
Grounding the Field 30
Interpreting the 31
Indicator Lights 31
Chapter Summary 31
2–14 Installing the Module 32
Communicating With Your 33
Analog Module 33
PLCĆ2 Programming 34
PLCĆ3 Program Example 34
PLCĆ5 and PLCĆ5/250 35
Program Example 35
Module Scan Time 36
Programming Samples 36
Setting Up the Data 39
Table File 39
Default Configurations 42
Module Level 43
Programming Features 43
Real Time Sampling 45
Output Channel 46
Clamping 49
Alarm Enable 50
Reset State 50
Input Channel 51
Alarm Deadband 52
Thermocouple Type 54
Configuration Block for a 55
Block Transfer Write 55
Module Status and Input Data 61
Block Transfer Read 62
Data Format 62
Data Header 63
Input Status Data 64
Output Status Data 66
Module Calibration 69
Calibrating Your Module 70
Manual Calibration 71
Figure 6.1 73
Termination Panel 73
Output Channel Calibration 75
Troubleshooting 77
Troubleshooting with 78
Status Reported by 78
Specifications 81
Grounding Guidelines." 82
Temperature Specifications 83
SpecificationsA–6 86
Important: If you require 60 87
SpecificationsA–8 88
Word/Dec. Bit 101
Word/Octal Bit 101
Transfer Read Configurations 105
Series Modules 105
CSA Hazardous Location 183
Rockwell Automation Support 188
Documentation Feedback 188

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