FEN-01

Overview

FEN-01 is an ABB TTL Encoder Interface designed for precise speed and position measurement in automation systems.

Power & Protection

• Max. power consumption: 350 mA at 24 V (Max. combined power consumption of encoders, latches, and cabling 5 W)

• Degree of protection: IP20

Connectors

• 20-pin socket

• 9-pin D-sub socket

• 15-pin D-sub socket

• 9-pin D-sub plug

• 6-pin header

TTL Encoder Input (X31)

• Voltage: +5.5 V DC -5%, -8%, 180 mA

• Output voltages: +24 V DC ±15%, 150 mA

• Combined max power: 3.6 W (+5.5 V and +24 V)

• Channels: CH A, CH B, CH Z RS-422/485, differential, 500 kHz max

• Maximum cable length: 30 m with 5 V encoder (0.5 mm² cable for power)

• Extended cable length: 60 m with 5 V encoder (two parallel 0.5 mm² cables), 100 m with 10…30 V TTL incremental encoder

• Speed range: -32768…32767 rpm

Performance

• Speed resolution: 0.004 rpm (24 bits)

• Position resolution: 16.8 M/rev (24 bits)

• Position accuracy: 4× pulse count/rev

• Isolation: Isolated together with digital inputs

Digital Inputs for Position Latch (X34)

• Output voltage: +24 V DC ±15%, short-circuit proof

• Signal levels: <5 V = 0, >15 V = 1

• Isolation: Isolated together with TTL encoder input

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