Number
|
Description
|
---|---|
1
|
Power supply module
|
2
|
Processor
|
3
|
20-pin terminal block I/O module
|
4
|
40-pin single connector I/O module
|
5
|
40-pin 2-connector I/O module
|
6
|
Counting module
|
7
|
8-slot rack
|