Wiring Diagrams - ABB MTAC-01 User Manual

Pulse encoder interface module
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16

Wiring diagrams

Push-pull type encoder output
Diagram assumes normal pulse order in Forward
rotation: Pulse A/1 leads as diagrammed on the
right.
For encoders with pulse 2 leading, change the diagram for these
connections:
• Encoder A/1 and B/2 should be wired to MTAC terminals B and A,
respectively.
• Encoder A/1 and B/2 (if present) should be wired to MTAC terminals
B and A, respectively.
Differential connection
SCR
1) Connect the cable shield at the encoder housing, if, and only if, the encoder is
isolated from the motor, and from the ground.
Installation
Encoder
1
1
2
2
0
0
0V V
CC
1)
A/1
B/2
MTAC-01 module
SCR
SCR
V
in
Encoder
V
out
power
GND
supply
GND
A
A
B
B
Z
Z

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