Chapter 3 Installation and Wiring
XBC E-Type Main Unit 3-20 Ver. 1
3.6.6 Precautions for high speed wiring
Take care to the eliminate noise when wiring, especially for High-speed pulse input.
1. Use twisted pair shielded cable, ground shield at one end only. Grounding at control system
ground point is preferred.
2. Keep away from power cable or I/O line which may cause noise.
3. Stabilized power should be used for filter.
a. Connect A-phase only for 1-phase input.
b. Connect A-phase and B-phase for 2-phase input.
3.6.7 Example of high speed wiring
1. In case of pulse generator (encoder) is voltage output type
2. In case of pulse generator is open collector type
Pulse Generator
CHSC
A
B
COM
24V
24VG
Pulse Generator
A
B
COM
24V
24VG
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