Omron CQM1H - PROGRAM Programming Manual page 453

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
428
R and R+1 are not in the same data area. (When the CQM1H is set to
receive 8-digit data.)
SR 25410: ON while DSW(87) is being executed.
Connect the digital switch and the Input and Output Units as shown in the dia-
gram below. In the diagram, an 8-digit input is shown. When using a 4-digit
input, connect D0 through D3 from the digital switch to input points 0 through
3. In either case, 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 D
Interface
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
leftmost digits
CS CS
0 0
CS CS
1 1
CS CS
2 2
CS CS
3 3 To A7E chip selection
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.
Leftmost digits A7E Rightmost digits
Section 5-31