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3 external encoder interface – Yaskawa SigmaLogic User Manual

Page 17

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4.3 External Encoder Interface

15

4.3 External Encoder Interface

Two RS-422 compatible inputs are provided for encoder phases A and

B.

Encoder Input Circuit

Item

Specification

Number of
channels

One channel (Phase A, Phase B)

Input circuit

Phase A & B: 5V differential input (RS-422 compatible), non-insulated.
Maximum frequency 4MHz.

Counter modes

Quadrature, pulse and direction, up/down

R

4

5

+5V

0V

Phase A

Pulse generator

R

29

30

+5V

0V

Phase B

6

PB+

PB-

PA+

PA-

GND

GND

31

CN13 Connector