Fives Group 502-04050-00 120VAC Digital Output Module

Technical Specifications

Model： 502-04050-00

Brand： Fives Group

Product Type: Rack mount opto-isolated 120VAC digital output PCB assembly for legacy CNC system

Module Feature:

Function: 120VAC digital output module for Fives Group CNC platform. Receives logic commands from CNC PLC processor, outputs isolated 120VAC switching signals to control relays, contactors and machine auxiliary actuators for heavy horizontal boring mills and large machining centers.

Signal Type: Opto-electrical isolated 120VAC discrete output Bus interface: Parallel backplane bus for bidirectional data communication with CNC CPU and PLC board

Onboard components: Optocoupler isolation, AC triac drive circuit, overcurrent protection, snubber surge suppression, output status feedback

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

Hardware self-diagnosis: Output channel switching test, short-circuit detection, backplane bus integrity verification

Programming software: Fives Group proprietary CNC software for output address assignment and module diagnostic testing

Electrical Parameters

Backplane supply: +5VDC Field output supply: 120VAC

Power consumption: Max 7.4W

Mechanical & Structure:

Mounting: Rack slot mount with gold finger edge connector

Weight: 0.93kg

Protection class: IP20

Environmental:

Operating temperature: 0℃ ~ +55℃

Ambient humidity: 5~85% non-condensing

Certification: CE

Status: Manufacturer discontinued legacy 120VAC digital output module

System compatibility

Compatibility description: 502-04050-00 belongs to Fives Group CNC I/O family. Compatible with Fives Group main CPU and PLC processor boards. Widely deployed on heavy Fives Group horizontal boring mills.

Function

Function description: 502-04050-00 is opto-isolated AC digital output board manufactured by Fives Group. It converts low-voltage CNC logic signals into 120VAC switching outputs to drive machine-side relays and contactors. Optocoupler isolates CNC control circuit from high voltage AC field circuit to protect rack hardware from voltage surges and industrial noise. Snubber circuit suppresses inductive load back EMF. It is legacy AC output spare for heavy CNC boring mills.

Installation

Installation steps: Follow lockout/tagout safety procedure before installation. Cut off rack +5V backplane power and 120VAC field power. Insert 502-04050-00 board into rack slot and secure gold finger connector. Connect field actuator wiring to output terminal block. Configure output address mapping parameters via CNC software. Restore power, verify ACT and OUT LED indicators and test each channel switching operation.

Interface

Interface list: Backplane gold finger connector, 120VAC load signal screw terminal block,on-board POWER / ACT / OUT / FAULT LED indicators for Fives Group 502-04050-00.

Diagnostic

Troubleshooting: No load actuation: Check 120VAC field supply, wiring or damaged triac driver. FAULT LED lit: Channel short-circuit trigger, backplane communication failure or surge damage. Intermittent output drop: Inductive load spike, poor grounding or aging snubber component.

Product Brief

Brief description: 502-04050-00 is Fives Group legacy 120VAC opto-isolated digital output board,to switch AC loads and relays for machine auxiliary control on heavy CNC boring mills,discontinued CNC AC output PCB spare.