ABB FEN-31 User Manual page 35

TTL encoder emulation output (X83)
• Supports emulation of TTL incremental encoder,
1...65535 pulses / rev, reference mark
• CH A, CH B, CH Z: RS-422/485, 500 kHz (max)
• Maximum cable length: 100 m
• Performance
- Speed range: -32768...32767 rpm
- Position resolution: 4x pulse count / rev
• Electrically isolated from the HTL input and control board
Digital inputs for position latch (X84)
• Output voltage: +24 V DC ±15%, short-circuit proof
• Signal levels: < 5 V = 0, > 15 V = 1
• Isolated together with TTL encoder input
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Technical data