Omron SYSMAC CP Series Instruction & Reference Manual

2-359
2 Instructions
CP1E CPU Unit Instructions Reference Manual(W483)
Basic I/O Unit Instructions
2
DSW
 External Connections
Connect the digital switch or thumbwheel switch to Input Unit contacts 0 to 7 and Output Unit contacts 0
to 4, as shown in the following diagram. The following example illustrates connections for an A7B Thum-
bwheel Switch.
 Timing Chart
COM
00 01 02 03 04 05 06 07 08 09 10 11
IN
CP1W-20EDT
OUT
COM
00
COM
01
COM
02 03
COM
04 05 06 07
8
No. 1No. 2No. 3No. 4No. 5No. 6No. 7No. 8
4 2 1
A7B
Thumbwheel
Switch
Switch
Switch Switch Switch Switch Switch Switch Switch
00
01
02
03
04
05
O
10
0
10
1
10
2
10
3
D+1 D
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
I
Leftmost
4 digits
Rightmost
4 digits
Input data
CS signals
One Round Flag
RD (read) signal
16 cycles to complete one round of execution
Eight digits: 00 to 03, 04 to 07
Four digits: 00 to 03
When only 4 digits are read,
only word D is used.

Omron SYSMAC CP Series Specifications

General

Brand	Omron
Model	SYSMAC CP Series
Category	Computer Hardware
Language	English