Ttl Encoder Input (X51); Resolver Interface; Ttl Encoder Emulation Output (X53); Digital Inputs For Position Latch (X54) - ABB FEN-21 User Manual

TTL encoder input (X51)

+5.5 V DC -5%, -8%, 180 mA
Output voltages +24 V DC ±15%, 150 mA together with digital inputs
+5.5 V and +24 V combined maximum power is 3.6 W
CH A, CH B, CH Z RS-422/485, differential, 500 kHz (max)
30 m with a 5 V encoder (0.5 mm
Maximum cable
60 m with a 5 V encoder (two parallel 0.5 mm
length
100 m with a 10...30 V TTL incremental encoder
Speed range: -32768...32767 rpm
Speed resolution: 0.004 rpm (24 bits)
Performance
Position resolution: 16.8 M/rev (24 bits)
Position accuracy: 4x pulse count/rev
Isolation Isolated together with digital inputs

Resolver interface

Output voltage (AC) 4...12 V
Sine and cosine 2...7 V
differential inputs
Thermistor KTY84 or PTC thermistor input
Position resolution: 24 bit
Performance
Speed resolution: 24 bit
Maximum cable 100 m
length
Isolation Isolated together with TTL encoder emulation output

TTL encoder emulation output (X53)

Supports emulations of TTL incremental encoder, 1...65535 pulses/rev, reference
Emulation
mark
CH A, CH B, CH Z RS-422/485, 500 kHz (max)
Maximum cable 100 m
length
Speed range: -32768...32767 rpm
Performance
Position resolution: 4x pulse count/rev
Isolation Isolated together with encoder input

Digital inputs for position latch (X54)

Output voltage +24 V DC ±15%, short-circuit proof
Signal levels < 5 V = 0, > 15 V = 1
Isolation Isolated together with TTL encoder input
, 100 mA max.
rms
rms
2
cable for power supply)
2
cables for power supply)
Technical data 35