Fives Group 502-03732-00 Encoder Feedback Module

Technical Specifications

Model： 502-03732-00

Brand： Fives Group (Giddings & Lewis)

Product Type: Rack mount encoder feedback PCB assembly for legacy CNC control system

Module Feature:

Function: Encoder feedback module for Fives Group CNC platform. Receives differential incremental encoder pulse signals from machine linear and rotary axes, processes and counts pulse data, transmits real-time digital position value to axis control processor for closed-loop positioning control on heavy horizontal boring mills and large machining centers.

Feedback Input: Differential A/B/Z incremental encoder signal Bus interface: Parallel backplane bus for bidirectional high-speed data exchange with CNC axis control board

Onboard components: Differential line receiver circuits, pulse counter IC, signal filtering circuit, noise suppression, short-circuit and overvoltage protection, address decoding logic

LED indicators: POWER, SIG, POS, FAULT diagnostic lights

Hardware self-diagnosis: Encoder signal amplitude detection, pulse count validation, backplane bus integrity test

Programming software: Fives Group proprietary CNC software for encoder resolution configuration and board diagnostic testing

Electrical Parameters

Backplane supply: +5VDC Encoder sensor supply: 5VDC

Power consumption: Max 7.7W

Mechanical & Structure:

Mounting: Rack slot mount with gold finger edge connector

Weight: 0.94kg

Protection class: IP20

Environmental:

Operating temperature: 0℃ ~ +55℃

Ambient humidity: 5~85% non-condensing

Certification: CE

Status: Manufacturer discontinued legacy CNC encoder feedback module

System compatibility

Compatibility description: 502-03732-00 belongs to Fives Group motion feedback family. Compatible with Fives Group axis control processor boards and incremental encoders. Widely deployed on heavy Fives Group horizontal boring mills.

Function

Function description: 502-03732-00 is encoder feedback board manufactured by Fives Group (Giddings & Lewis). It captures incremental encoder pulses from machine axes, converts analog differential pulse signals into digital position data and sends real-time position readings to CNC motion control board. Differential line receiver design delivers strong anti-interference ability in harsh industrial workshop environment. It is legacy encoder position feedback spare for heavy CNC boring mills.

Installation

Installation steps: Follow lockout/tagout safety procedure before installation. Cut off rack +5V backplane power. Insert 502-03732-00 board into rack slot and secure gold finger connector. Connect shielded encoder cable to signal terminal block. Configure encoder resolution parameters via Fives CNC software. Restore rack power, verify SIG and POS LED indicators and test axis position reading and reference homing.

Interface

Interface list: Backplane gold finger connector, encoder signal screw terminal block,on-board POWER / SIG / POS / FAULT LED indicators for Fives Group 502-03732-00.

Diagnostic

Troubleshooting: No axis position reading: Check encoder 5V power supply, shielded cable wiring or damaged differential receiver chip. FAULT LED lit: Encoder signal loss, pulse counting error or backplane communication failure. Position value jumping: Electromagnetic interference, poor cable shielding or aging receiver component.

Product Brief

Brief description: 502-03732-00 is Fives Group legacy encoder feedback board,collects incremental encoder pulse signals for axis closed-loop position control on heavy CNC boring mills,discontinued CNC encoder interface PCB spare.