LSIS XGT Series - Encoder Input Specification

Chapter 2 Specification
2-9
2.3.4 Encoder Input Specification
Item Specification
Input voltage 5V (3V ~ 6V)
In accordance with RS-422A Line
Driver Level
Input current 2 ㎃~7.5 ㎃
Min. On guarantee voltage 2.5V
Max. Off guarantee voltage 1.7V
Input pulse
1) Pulse width
2) Phase difference
Circuit No. Point
External
ENC1 A+ Encoder 1 A+ input
ENC1 A- Encoder 1 A- input
ENC1 B+ Encoder 1 B+ input
ENC1 B- Encoder 1 B- input
ENC2A+ Encoder 2 A+ input
ENC2 A- Encoder 2 A- input
ENC2 B+ Encoder 2 B+ input
ENC2 B- Encoder 2 B- input
Note
Note 1 : Encoder of 5V voltage output type(Open collector)
Note 2 : Encoder of 5V voltage output type(Line driver)
DC5V
5V
0
V
A
B
DC5V
5V
0V
A+
A-
B+
B-
Note1
Note2
Over 2.5㎲
Over 1.25㎲ Over 1.25㎲
Over 0.625㎲
A
phase
B
phase
When A phase input pulse is
ahead of B phase input pulse
: Position value increases
When B phase input pulse is
ahead of A phase input pulse
: Position value decreases