Fives Group 502-03093-41 Floppy Disk Controller Module

Technical Specifications

Model： 502-03093-41

Brand： Fives Group

Product Type: Rack mount floppy disk controller PCB assembly for legacy CNC system

Module Feature:

Function: Floppy disk controller module for Fives Group CNC platform. Controls external floppy disk drive, manages read and write operations to floppy media, supports CNC part program, tool offset and parameter backup/restore for heavy horizontal boring mills and large machining centers.

Bus interface: Parallel backplane bus for bidirectional data communication with CNC CPU

Onboard components: FDC controller IC, data buffer, address decoding logic, drive signal driver, transient protection circuit

LED indicators: POWER, RD, WR, FAULT diagnostic lights

Hardware self-diagnosis: Floppy interface loopback test, data parity check, backplane bus integrity verification

Programming software: Fives Group proprietary CNC software for file read/write test, program backup and parameter recovery

Electrical Parameters

Backplane supply: +5VDC

Power consumption: Max 7.2W

Mechanical & Structure:

Mounting: Rack slot mount with gold finger edge connector

Weight: 0.90kg

Protection class: IP20

Environmental:

Operating temperature: 0℃ ~ +55℃

Ambient humidity: 5~85% non-condensing

Certification: CE

Status: Manufacturer discontinued legacy floppy disk controller module

System compatibility

Compatibility description: 502-03093-41 belongs to Fives Group CNC peripheral control board family. Compatible with Fives Group CPU, memory boards and external 3.5-inch floppy disk drive. Widely deployed on heavy Fives Group horizontal boring mills.

Function

Function description: 502-03093-41 is floppy disk controller board manufactured by Fives Group. It serves as interface between CNC controller and floppy disk drive. It executes floppy disk read/write commands, transfers NC programs and machine parameters between CNC memory and floppy disk. It was widely used for program backup and data exchange on old-generation CNC machines. It is legacy peripheral storage spare for heavy CNC boring mills.

Installation

Installation steps: Follow lockout/tagout safety procedure before installation. Cut off rack +5V backplane power. Insert 502-03093-41 board into rack slot and secure gold finger connector. Connect floppy drive signal cable and power cable. Power on rack, verify RD and WR LED indicators, test disk read/write and NC program import/export function.

Interface

Interface list: Backplane gold finger connector, floppy drive signal header,on-board POWER / RD / WR / FAULT LED indicators for Fives Group 502-03093-41.

Diagnostic

Troubleshooting: Cannot read floppy disk: Check cable connection, floppy disk media damage or controller chip failure. FAULT LED lit: Data parity error, backplane communication fault or drive signal short-circuit. Intermittent read failure: Disk contamination, signal noise or aging buffer component.

Product Brief

Brief description: 502-03093-41 is Fives Group legacy floppy disk controller board,for CNC part program and parameter backup via floppy disk on heavy CNC boring mills,discontinued CNC storage peripheral PCB spare.