Products Description
Giddings & Lewis 502-04151-00 Service Module

Technical Specifications
Model: 502-04151-00
Brand: Giddings & Lewis
Product Type: Rack mount service power module for NumeriPath CNC system
Module Feature:
Function: Service power module for G&L NumeriPath CNC platform. Converts 240VAC input power into stable internal DC supply for auxiliary circuits, diagnostic and maintenance service functions of heavy horizontal boring mills and large machining centers.
Input voltage: 240VAC Frequency range: 47~440Hz Rated power: 60W
Bus interface: NumeriPath rack backplane power distribution interface
Onboard components: AC-DC converter, input fuse, surge suppression circuit, overvoltage / overcurrent protection
LED indicators: POWER, OK, FAULT diagnostic lights
Hardware self-diagnosis: Input power monitoring, output voltage check, overcurrent and overtemperature protection
Programming software: Giddings & Lewis proprietary CNC software for power status monitoring and module diagnostic testing
Electrical Parameters
AC Input: 240VAC, 47~440Hz
Rated Output Power: 60W
Mechanical & Structure:
Mounting: NumeriPath rack slot mount with gold finger edge connector
Weight: 1.02kg
Protection class: IP20
Environmental:
Operating temperature: 0℃ ~ +55℃
Ambient humidity: 5~85% non-condensing
Certification: CE
Status: Manufacturer discontinued legacy NumeriPath service power module
System compatibility
Compatibility description: 502-04151-00 belongs to Giddings & Lewis NumeriPath power module family. Compatible with NumeriPath CPU, I/O boards and other rack modules. Widely fitted on heavy G&L horizontal boring mills.
Function
Function description: 502-04151-00 is service power module manufactured by Giddings & Lewis. It provides auxiliary regulated DC power supply for NumeriPath CNC rack service and diagnostic circuits. Built-in protective circuits prevent damage caused by overcurrent, overvoltage and overheating. It supplies stable power during machine maintenance, fault diagnosis and startup sequence for heavy CNC boring mills. It is legacy power spare part for G&L NumeriPath CNC system.
Installation
Installation steps: Follow lockout/tagout safety procedure before installation. Cut off main 240VAC input power. Insert 502-04151-00 module into NumeriPath rack slot and secure gold finger connector. Wire 240VAC input to power terminal block. Restore AC power, verify POWER and OK LED indicators, test output voltage stability.
Interface
Interface list: NumeriPath backplane gold finger connector, 240VAC input screw terminal block,on-board POWER / OK / FAULT LED indicators for Giddings & Lewis 502-04151-00.
Diagnostic
Troubleshooting: No power output: Check AC input supply, blown fuse or loose terminal connection. FAULT LED lit: Overcurrent trip, overtemperature protection or internal power component failure. Voltage instability: AC input fluctuation, aging internal capacitor or poor rack grounding.

Product Brief
Brief description: 502-04151-00 is Giddings & Lewis legacy NumeriPath service power module,with 240VAC 60W power conversion for CNC rack auxiliary service and diagnostic circuits on heavy boring mills,discontinued CNC power supply spare.