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Rockwell Automation Publication 1769-UM012B-EN-P - January 2014
Chapter 2
Configure the 1769-ASCII Module
Input Ladder
The Input ladder does the following tasks:
•
Moves the RxID for Channel 0, at first scan, to the OldRx. This identifies
the initial RxID number.
•
Moves to see if the current RxID has changed that tells when the Data is in
the buffer ready to be moved.
•
Receives data and then the data is copied. A Latched bit is set that
identifies when the data has been copied to complete action on the new
data. Then the new RxID number is moved as the old to set up for new
data on the received.
Summary of Contents for Allen-Bradley 1769-ASCII
Page 1: ...Compact I O ASCII Module Catalog Numbers 1769 ASCII User Manual ...
Page 4: ...4 Rockwell Automation Publication 1769 UM012B EN P January 2014 Summary of Changes Notes ...
Page 101: ...Rockwell Automation Publication 1769 UM012B EN P January 2014 101 Error Codes Appendix C ...
Page 117: ......