Fives Group 502-03517-00 Bus Interface Module

Technical Specifications

Model： 502-03517-00

Brand： Fives Group

Product Type: Rack mount backplane bus interface PCB assembly for legacy CNC system

Module Feature:

Function: Backplane bus interface module for Fives Group CNC platform. Acts as bus arbitration and signal repeater, manages data signal transmission between CPU, memory, motion and I/O boards on parallel backplane bus, handles address decoding and signal buffering to stabilize system communication for heavy horizontal boring mills and large machining centers.

Bus interface: Parallel multi-bit backplane bus, bidirectional data transfer

Onboard components: Bus buffer IC, address decoding chip, bus arbitration logic, signal level conversion, transient surge protection

LED indicators: POWER, BUS, ACT, FAULT diagnostic lights

Hardware self-diagnosis: Bus signal integrity test, address access verification, parity error detection, backplane communication check

Programming software: Fives Group proprietary CNC software for bus diagnostic test and system hardware identification

Electrical Parameters

Backplane supply: +5VDC

Power consumption: Max 7.5W

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 bus interface module

System compatibility

Compatibility description: 502-03517-00 belongs to Fives Group CNC backplane control board family. Compatible with Fives Group CPU, memory, axis control and I/O rack boards. Widely deployed on heavy Fives Group horizontal boring mills.

Function

Function description: 502-03517-00 is backplane bus interface board manufactured by Fives Group. It coordinates signal transmission between all boards on CNC rack backplane. It buffers and strengthens bus signals, performs address decoding and bus arbitration to avoid data conflict during high-speed data exchange. It detects bus parity error and reports fault to main CPU. It is legacy bus communication spare for heavy CNC boring mills.

Installation

Installation steps: Follow lockout/tagout safety procedure before installation. Cut off rack +5V backplane power. Insert 502-03517-00 board into rack slot and secure gold finger connector. Inspect adjacent module gold finger contacts. Restore rack power, verify BUS and ACT LED indicators, run bus read-write diagnostic test and verify communication between all rack boards.

Interface

Interface list: Backplane gold finger connector,on-board POWER / BUS / ACT / FAULT LED indicators for Fives Group 502-03517-00.

Diagnostic

Troubleshooting: Multiple boards communication failure: Check backplane contact or bus buffer chip damage. FAULT LED lit: Bus parity error, signal contention or backplane hardware fault. Intermittent system crash: Signal attenuation, electrical noise interference or aging buffer IC.

Product Brief

Brief description: 502-03517-00 is Fives Group legacy backplane bus interface board,for signal buffering and arbitration between CNC rack boards on heavy CNC boring mills,discontinued CNC bus interface PCB spare.