Giddings & Lewis 501-04302-00 Machine Control Board

Technical Specifications

Model： 501-04302-00

Brand： Giddings & Lewis

Product Type: Rack mount machine control PCB assembly for legacy NumeriPath CNC system

Module Feature:

Function: Machine control board for G&L NumeriPath CNC platform. It handles system bus logic management, discrete signal coordination and machine auxiliary function control for heavy horizontal boring mills and large machining centers.

Onboard memory: SRAM memory chips for system configuration and machine logic data

Bus interface: Dual gold finger edge connectors for backplane bus connection

Diagnostic indicators: IO-PASS, IO-FAIL status LED indicators

Onboard components: DIP logic ICs, buffer chips and socketed integrated circuits

Hardware self-diagnosis: I/O bus integrity test, logic circuit fault detection, system signal handshake check

Programming software: Giddings & Lewis proprietary CNC software for logic configuration and board diagnostic test

Electrical Parameters

Backplane supply: +5VDC

Power consumption: Max 11W

Mechanical & Structure:

Mounting: Rack slot mount with dual gold finger edge connectors

Weight: 1.4kg

Protection class: IP20

Environmental:

Operating temperature: 0℃ ~ +55℃

Ambient humidity: 5~85% non-condensing

Certification: CE

Status: Manufacturer discontinued legacy CNC machine control board

System compatibility

Compatibility description: 501-04302-00 belongs to Giddings & Lewis NumeriPath legacy control family. Compatible with matching rack backplane, executive CPU, I/O and servo interface boards. Widely fitted on vintage heavy G&L horizontal boring mills.

Function

Function description: 501-04302-00 is machine control board manufactured by Giddings & Lewis. It serves as core logic interface board for legacy NumeriPath CNC. It manages backplane bus signal handshaking, coordinates I/O signals between main CPU and field machine devices, and executes auxiliary machine logic control. It carries SRAM chips to store machine configuration data. It is legacy machine control spare for old heavy G&L CNC boring mills.

Installation

Installation steps: Follow lockout/tagout safety procedure before installation. Cut off rack +5V backplane power. Insert 501-04302-00 board into rack slot and secure gold finger connectors. Check all socketed ICs for proper seating. Power on rack, verify IO-PASS / IO-FAIL indicators, run CNC self-test and validate machine logic and I/O coordination.

Interface

Interface list: Dual backplane gold finger connectors, ribbon cable connector,on-board IO-PASS / IO-FAIL diagnostic LEDs for Giddings & Lewis 501-04302-00.

Diagnostic

Troubleshooting: IO-FAIL LED lit: I/O bus handshake failure, bad socketed chip or backplane contact issue. No board recognition: Poor gold finger contact or +5V backplane supply missing. Random logic error: Aging memory IC or loose IC socket connection.

Product Brief

Brief description: 501-04302-00 is Giddings & Lewis legacy machine control board,for CNC system backplane bus management and machine I/O logic coordination on heavy CNC boring mills,discontinued CNC control PCB spare.