
BĆ1
Appendix B
Module Block Diagram
115V AC/DC INPUT MODULE 61C501
FILT ISOL
BUS
0
0
ADDRESS
DECODER
ADDRESS
ID BUS
ADDRESS
BUS
CONTROL
LOGIC
OUTPUT
DATA
BUFFER
READ MEM
BYTE HI EN
XFER ACK
FILT ISOL
1
1
FILT ISOL
2
2
FILT
ISOL
3
3
C1
BIT
0
1
2
3
FILT ISOL
4
4
FILT
ISOL
5
5
FILT
ISOL
6
6
FILT
ISOL
7
7
C2
4
5
6
7
FILT
ISOL
8
8
FILT ISOL
9
9
FILT
ISOL
10
10
FILT
ISOL
11
11
C3
FILT ISOL
12
12
FILT
ISOL
13
13
FILT
ISOL
14
14
FILT
ISOL
15
15
C4
8
9
10
11
12
13
14
15
DATA
BUS
BUS
+5V
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