Omron SYSMAC C200HS Operation Manual page 315

Advanced I/O Instructions
Hardware
ID212
Input Unit
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
COM
COM
OD212
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Output Unit
COM
COM
With this instruction, 8-digit BCD set values are read from a digital switch.
DSW(––) utilizes 5 output bits and 8 input bits. Connect the digital switch and the
Input and Output Units as shown in the diagram below. Output point 5 will be
turned ON when one round of data is read, but there is no need to connect output
point 5 unless required for the application.
D Interface D
0 0
A7E data line rightmost digits
D D
1 1
D D
2 2
D D
3 3
D D
0 0
D D
1 1
D D
2 2
A7E data line
D D
3 3
CS
CS leftmost digits
0
0
CS CS
1
1
CS
CS
2
2
CS
CS
To A7E chip selection
3 3
RD RD
To A7E RD terminal
Note An interface to convert signals from 5 V to 24 V is
required to connect an A7E digital switch.
A7E
Leftmost digits
Rightmost digits
Section 5-28
305