Connection method
4.1.3
I/O module
4
-8
Digital I/O module (SM321 (D132 × 24 VDC))
Dummy module (DM370)
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
Channel number
Status LED (green)
Byte 2Byte 0
Byte 3Byte 1
NA
A
Address switch
3
2
4
X
Front view
Rear view
