Omron CJ1M-CPU22

35
Wiring Examples Section 3-3
3-3-2 Pulse Input Connection Examples
Encoders with 24-V DC Open-collector Outputs
This example shows how to connect an encoder that has phase-A, phase-B,
and phase-Z outputs.
25
29
26
30
8
12
0 V
+24 V
+
−
0 V
24 V
I
A
I
B
I
C
25
29
26
30
8
12
Encoder
(24-V DC power supply)
Model E6B2-
CWZ6C with NPN
open-collector
outputs
Black
White
Orange
Brown
Blue
Phase A
Phase B
Phase Z
+Vcc
0 V (COM)
24-V DC power supply
(Do not share the power
supply with any other I/O
applications.)
CJ1M CPU Unit
Differential-phase input mode
High-speed counter 0:
Phase A, 24 V
High-speed counter 0:
Phase A, 0 V
High-speed counter 0:
Phase B, 24 V
High-speed counter 0:
Phase B, 0 V
High-speed counter 0:
Phase Z, 24 V
High-speed counter 0:
Phase Z, 0 V
Encoder
Power supply
input
Power
supply
Shielded twisted-pair cable
CJ1M CPU Unit
Phase
A
Phase
B
Phase
C