ABB FEN-31, User Manual

Page: 13 / 38

Overview
13
Isolation areas
The following figure describes the different isolation areas of the
module.
The shields of connectors X81 and X82 and plug X83 are
connected to chassis. The fixing screw connects the chassis to
ground.
Compatibility
FEN-31 is compatible with the following encoders:
• Differential push-pull HTL encoders
• Single-ended push-pull HTL encoders
• Open collector HTL encoders
• Open emitter HTL encoders
X83
X82
X81
X84
X201
B A
CHASSIS
TTL encoder emulation
output
HTL encoder input
HTL encoder supply
voltage
Digital latches
Fixing screw
Connection to the drive