Pulse Input Connection Examples - Omron CP1H-X40D Operation Manual

High-speed Counters
5-2-6

Pulse Input Connection Examples

Encoders with 24 VDC Open-collector Outputs
This example shows how to connect an encoder that has phase-A, phase-B,
and phase-Z outputs.
Black
Encoder
(Power: 24 VDC)
White
Orange
Example: E6B2-CWZ6C
Brown
(NPN open-collector
output)
Blue
24-VDC power supply
(Do not use the same power supply as for other I/O.)
−
Power supply
0 V
Power
Encoder
24 V
0 V
+
I
A
Phase A
I
B
Phase B
I
Z
Phase Z
X/XA CPU Unit
(Differential Input Mode)
Phase A
(High-speed counter 0: Phase A, 0 V)
008
Phase B
(High-speed counter 0: Phase B, 0 V)
009
Phase Z
(High-speed counter 0: Phase Z, 0 V)
003
+Vcc
(COM 24 V)
COM
0 V
(COM)
0 V
+24 V
Shielded twisted-pair cable
008
009
003
COM
Section 5-2
CPU Unit
221