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ABB

FEN-31

ABB FEN-31 Pulse Encoder Interface Module

ABB

From $338.23In stockSource updated 6/24/2026

Product Description

- Brand: ABB - Model: FEN-31 - Type: Pulse Encoder Interface Module - Product ID: 3ABD68978955 - Function: Interface module for connecting incremental pulse encoders (TTL/RS422) to ACS880 drives for speed/position feedback - Supported Encoder Types: Incremental encoders with differential (RS422) or single-ended (TTL) signals - Input Channels: 1 encoder channel - Signal Levels: Differential RS422 (5 V), single-ended TTL (5 V) - Max Frequency: 300 kHz (pulse rate) - Resolution: Up to 16384 pulses/rev - Power Supply to Encoder: 5 V DC / max 200 mA (provided by module) - Connection: 15-pin D-sub female connector - Cable Length: Up to 100 m (shielded twisted-pair recommended) - Isolation: Galvanic isolation between encoder and drive electronics - Diagnostics: Encoder fault detection (broken wire, signal loss) - Compatibility: ACS880 drives with F-series option slots (FEN-31 fits in slot 1 or 2) - Mounting: Plugs directly into drive option slot - Protection Rating: IP20 - Operating Temperature: -15°C to +55°C - Storage Temperature: -40°C to +70°C - Certifications: CE, UL, RoHS compliant - Features: Plug-and-play installation, automatic encoder detection, supports both A/B and A/B/Z signals - Dimensions: 100 mm × 70 mm × 25 mm - Weight: 220 g - Country of origin: China - HS code: 853890

Buy Options

Condition, indicative price, stock, and lead time. Confirm current availability via RFQ.

New

Price: $368.3
Availability: Available to order
Lead time: Quoted after RFQ

Refurbished

Price: $338.23
Availability: Available to order
Lead time: Quoted after RFQ

Specifications

Brand
ABB
Model
FEN-31
Type
Pulse Encoder Interface Module
Product ID
3ABD68978955
Function
Interface module for connecting incremental pulse encoders (TTL/RS422) to ACS880 drives for speed/position feedback
Supported Encoder Types
Incremental encoders with differential (RS422) or single-ended (TTL) signals
Input Channels
1 encoder channel
Signal Levels
Differential RS422 (5 V), single-ended TTL (5 V)
Max Frequency
300 kHz (pulse rate)
Resolution
Up to 16384 pulses/rev
Power Supply to Encoder
5 V DC / max 200 mA (provided by module)
Connection
15-pin D-sub female connector
Cable Length
Up to 100 m (shielded twisted-pair recommended)
Isolation
Galvanic isolation between encoder and drive electronics
Diagnostics
Encoder fault detection (broken wire, signal loss)
Compatibility
ACS880 drives with F-series option slots (FEN-31 fits in slot 1 or 2)
Mounting
Plugs directly into drive option slot
Protection Rating
IP20
Operating Temperature
-15°C to +55°C
Storage Temperature
-40°C to +70°C
Certifications
CE, UL, RoHS compliant
Features
Plug-and-play installation, automatic encoder detection, supports both A/B and A/B/Z signals
Dimensions
100 mm × 70 mm × 25 mm
Weight
220 g
Country of origin
China
HS code
853890

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FAQ

Is FEN-31 discontinued?

FEN-31 is commonly available as a spare part. Submit an RFQ for pricing and lead time.

How do I buy FEN-31?

Submit a Request for Quote on this page with quantity, required condition, and ship-to country. We respond by email with pricing and delivery options.

What condition options are available for FEN-31?

We list New and Refurbished for FEN-31 (indicative availability and pricing — confirm on RFQ). See our condition policy at https://www.usedautomations.com/condition-codes.