Omron CQM1H - 08-2005 - Page 220

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High-speed Counter Board Section 8-1
Wiring Examples
The following diagrams show a connection to an encoder possessing phases
A, B, and Z.
High-speed Counter Board
in Differential Phase Mode
Counter 1 input A: +
Counter 1 input A: –
Counter 1 input B: +
Counter 1 input B: –
Counter 1 input Z: +
Counter1 input Z: –
Pin No.
Encoder
(Power supply: 24 V DC)
Ex: E6B2-CWZ6C
NPN Open-collector outputs
Black:
Phase A
24-V DC power supply
Power supply
Encoder
(Do not share the power supply with other I/O.)
24-V DC power supply
High-speed Counter Board
Phase A
Connecting to 24-V DC Open-collector Encoder
Blue:
0 V (COM)
White:
Phase B
Orange:
Phase Z
Brown:
+Vcc
0 V
24 V
Phase B
Phase C
Shielded twisted-pair cable