Ascii module for plcć3 processor appendix b – Rockwell Automation 1771-DA,D17716.5.13 U MNL 1771-DA ASCII I/O MODULE User Manual
Page 232
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![background image](/manuals/579280/232/background.png)
ASCII Module
For PLCĆ3 Processor
Appendix B
B-10
Figure B.3
Diagramming I/O Channels
Step 1 Ć Diagram the chassis connected in series to each channel (up to four) of
your scanner module. Then, fill in the information called for below. Example
values have been added.
1
1
0
2
0
2
0
0
3
1
0
4
Make interactive thru processor LIST
Scanner
= I/O Chassis
Description Number
Active I/O channels
Block Transfer I/O channels
Block Transfer modules on each
I/O block transfer channel
I/O chassis on each block-
transfer I/O channel (I/O
chassis in rack list)
Ch 1 Ch 2 Ch 3 Ch 4
3
2
3
4
0
0
1
2
0
0
12828
n = number of blockĆtransfer modules in chassis
2. Using information from the diagram of I/O channels
(Figure A.12), look up the nominal time from the table in
Figure A.13.
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