52
Rockwell Automation Publication 1769-UM012B-EN-P - January 2014
Chapter 2
Configure the 1769-ASCII Module
Input Channel1
The Input Channel1 does the following tasks:
•
Stores the current value, on first scan, of Rx Transaction ID (channel 1) as
most recent.
•
Monitors the lower 8 bits of Rx Transaction ID (upper 8 bit are Tx)
•
Indicates new data when the Rx Transaction ID changes.
•
Copies the data from the module's Input Tags to a STRING tag
(InData1).
•
Indicates to the MainRoutine that new data has arrived.
•
Saves the value of Rx Transaction ID, so you can detect next change.
Содержание Allen-Bradley 1769-ASCII
Страница 1: ...Compact I O ASCII Module Catalog Numbers 1769 ASCII User Manual ...
Страница 4: ...4 Rockwell Automation Publication 1769 UM012B EN P January 2014 Summary of Changes Notes ...
Страница 20: ...20 Rockwell Automation Publication 1769 UM012B EN P January 2014 Chapter 1 Compact I O ASCII Module Notes ...
Страница 65: ...Rockwell Automation Publication 1769 UM012B EN P January 2014 65 Configure the 1769 ASCII Module Chapter 2 ...
Страница 67: ...Rockwell Automation Publication 1769 UM012B EN P January 2014 67 Configure the 1769 ASCII Module Chapter 2 ...
Страница 86: ...86 Rockwell Automation Publication 1769 UM012B EN P January 2014 Chapter 3 I O Memory Mapping Notes ...
Страница 96: ...96 Rockwell Automation Publication 1769 UM012B EN P January 2014 Appendix B Status Indicators Notes ...
Страница 101: ...Rockwell Automation Publication 1769 UM012B EN P January 2014 101 Error Codes Appendix C ...
Страница 112: ...112 Rockwell Automation Publication 1769 UM012B EN P January 2014 Appendix E Using Electronic Keying Notes ...
Страница 114: ...114 Rockwell Automation Publication 1769 UM012B EN P January 2014 Appendix F History of Changes Notes ...
Страница 117: ......