The Fen-01 Ttl Encoder Interface - ABB FEN-01 User Manual

12 Hardware description

The FEN-01 TTL Encoder Interface

The FEN-01 offers an interface for two TTL encoder connections, one with commutation
signals and PTC support. It also offers a TTL encoder output for emulation purposes
and two digital latch inputs for position latching.
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1 2 digital latch inputs (X34)
2 Fixing screw
3 TTL encoder input (X31)
4 Encoder voltage selection jumper (X301)
5 TTL encoder input with commutation and PTC support (X32)
6 Diagnostic LEDs
7 TTL encoder output (X33)
8 Locking tab
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