
3.I/O LINK B-63983EN/02
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(2) Operator's panel I/O module (A20B-2002-0520, A20B-2002-
0521)
Operator's panel
I/O module
JD1B
JD1
48 input points
32 output points
(a) When DO alarm detection is not used
· When no manual pulse generator is used
Input: X=CM06I, output: Y=CM04O
· When one manual pulse generator is used
Input: X=CM13I, output: Y=CM04O
· When two manual pulse generators are used
Input: X=CM14I, output: Y=CM04O
· When three manual pulse generators are used
Input: X=CM15I, output: Y=CM04O
(b) When DO alarm detection is used
· Regardless of the number of manual pulse generators
Input: X=CM16I, output: Y=CM04O
(3) Distribution I/O machine operator's panel
(A20B-8001-0721, A20B-8001-0720, A20B-8001-0210)
Operator's panel
I/O module
JD1B
JD1A
Input: 8 points for override signals and so on + 24 general-purpose points + 64
matrix points
Output: 64 matrix points
(a) When DO alarm detection is not used
· When no manual pulse generator is used
Input: X=CM12I, output: Y=CM08O
· When one manual pulse generator is used
Input: X=CM13I, output: Y=CM08O
· When two manual pulse generators are used
Input: X=CM14I, output: Y=CM08O
· When three manual pulse generators are used
Input: X=CM15I, output: Y=CM08O
(b) When DO alarm detection is used
· Regardless of the number of manual pulse generators
Input: X=CM16I, output: Y=CM08O