ABB ACS380 Series, Hardware Manual

Page: 161 / 186

BTAC-02 pulse encoder interface module 161
Wiring diagrams – Push-pull type encoder output
Differential connection
Diagram assumes normal pulse order in Forward
rotation: Pulse A leads.
For encoders with pulse B leading, change the diagram:
• Wire encoder A and B to BTAC terminals B and A, respectively.
• Wire encoder A and B (if present) to BTAC terminals B and A, respectively.
1. Encoder
2. BTAC module
3. Encoder power supply
A
B
1)
1
1
0
0V
V
CC
2
2
0
SCR
1
2 3
V
in
V
out
GND
A
A
GND
B
B
GND
Z
Z
GND