Download 1771-6.5.116, Fast Analog Input Module User Manual

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Table of Contents
Troubleshooting Your Input
Module
Specifications
Chapter 7
Chapter Objective . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Diagnostics Reported by the Module . . . . . . . . . . . . . . . . . . . . . . .
Diagnostic Bits Reported By the Analog Input Module . . . . . . . . .
Troubleshooting Chart for the Fast Analog
Input Module (1771ĆIFF/A) . . . . . . . . . . . . . . . . . . . . . . . .
CheckingModule Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Connect the Module in a Simple Test System . . . . . . . . . . . . . . .
Troubleshooting a Bad Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Measuring Each Input with Respect to Module Common . . . . . . .
Disconnecting Inputs from the Field Wiring Arm One at a Time While
Observing Module Action . . . . . . . . . . . . . . . . . . . . . . . . . .
Testing for Input Channel Functionality . . . . . . . . . . . . . . . . . . .
Chapter Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7-8
7-9
7-9
A-1
A-2
A-4
Appendix B
Sample Programs for the Analog Input Module . . . . . . . . . . . . . . . .
PLCĆ2 Family Processors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PLCĆ3 Family Processor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PLCĆ5 Family Processors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Data Table Formats
7-3
7-4
7-4
7-7
7-7
Appendix A
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Module Scan Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Resolution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Programming Examples
7-1
7-1
7-1
B-1
B-1
B-2
B-4
Appendix C
4ĆDigit Binary Coded Decimal (BCD) . . . . . . . . . . . . . . . . . . . . . . .
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Block Transfer (MiniĆPLCĆ2
and PLCĆ2/20 Processors)
Appendix D
Forms
Appendix E
Multiple GET Instructions Ć MiniĆPLCĆ2 and PLCĆ2/20 Processors . .
Setting the Block Length (Multiple GET Instructions only) . . . . . . . .
Forms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
C-1
C-2
C-3
D-1
D-3
E-1
Publication 1771Ć6.5.116 - July 1996