Chapter 8 Built-in High-speed Counter Function
8-21
8.2 Installation and Wiring
8.2.1 Precaution for wiring
Pay attention to the counteractions against wiring noise especially for High-speed pulse input.
(1) Surely use twisted pair shielded cable, grounded with 3 class applied.
(2) Keep away from power cable or I/O line which may cause noise.
(3) Stabilized power should be used for filter.
▶ Connect A-phase only for 1-phase input.
▶ Connect A-phase and B-phase for 2-phase input.
8.2.2 Example of wiring
(1) In case of pulse generator (encoder) is voltage output type
Pulse Generator
CHSC
A
B
COM
24V
24VG
(2) In case of pulse generator is open collector type
Pulse Generator
A
B
COM
24V
24VG
High-speed counter input
High-speed counter input
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