Omron CJ2M-CPU Series - Page 121

7-11
7 High-speed Counters
CJ2M CPU Unit Pulse I/O Module User’s Manual
7-1 Overview
7
7-1-5 Wiring
The following example shows the connections of an encoder with phase-A, phase-B, and phase-Z
inputs to high-speed counter 0.
Using a 24-VDC Open-collector Encoder
Wiring Example
0 V
+24V
29
29
25
30
26
12
8
IA
IB
IZ
25
26
30
8
12
0 V
24 V 0 V
Encoder
(power supply: 24 VDC)
Example:
E6B2-CWZ6C
NPN open-collector output
Black
Phase-A
White
Phase-B
Orange
Phase-Z
Brown +Vcc
Blue 0 V(COM)
24-VDC Power Supply
Pulse I/O Module
Differential Phase Input Mode
Power provided
Encoder
(Do not use the same I/O power supply as other equipment.)
Power
Shielded twisted-pair cable
Pulse I/O Module
Phase A
Phase B
Phase Z
(High-speed counter 0: Phase-A 0 V)
(High-speed counter 0: Phase B 0 V)
(High-speed counter 0: Phase Z 0 V)
(High-speed counter 0: Phase A 24 V)
(High-speed counter 0: Phase-B 24 V)
(High-speed counter 0: Phase-Z 24 V)