Giddings & Lewis 503-19029-00 Memory Expansion Module

Technical Specifications

Model： 503-19029-00

Brand： Giddings & Lewis

Product Type: Rack mount memory expansion PCB assembly for legacy NumeriPath CNC system

Module Feature:

Function: Memory expansion board for G&L NumeriPath CNC platform. It expands the system storage capacity of CNC executive CPU, provides extra memory space for NC part programs, system parameters, machine configuration and macro variables for heavy horizontal boring mills and large machining centers.

Bus interface: Parallel backplane bus for high-speed data access with CNC executive CPU

Onboard components: High-density memory IC chips, data buffer and address decoding circuits

LED indicators: POWER, ACT, FAULT diagnostic lights

Hardware self-diagnosis: Memory read/write test, data parity error detection, backplane bus integrity check

Programming software: Giddings & Lewis proprietary CNC software for memory capacity recognition and diagnostic test

Electrical Parameters

Backplane supply: +5VDC

Power consumption: Max 6.8W

Mechanical & Structure:

Mounting: Rack slot mount with gold finger edge connector

Weight: 0.78kg

Protection class: IP20

Environmental:

Operating temperature: 0℃ ~ +55℃

Ambient humidity: 5~85% non-condensing

Certification: CE

Status: Manufacturer discontinued legacy CNC memory expansion board

System compatibility

Compatibility description: 503-19029-00 belongs to Giddings & Lewis NumeriPath system memory family. Compatible with matching rack backplane and executive CPU board. Widely fitted on vintage heavy G&L horizontal boring mills.

Function

Function description: 503-19029-00 is memory expansion board manufactured by Giddings & Lewis. It is used to upgrade the memory capacity of NumeriPath CNC controller. It stores large NC machining programs, system parameters and machine macro data, reduces the frequency of program offloading during continuous machining. The board runs automatic parity check during power-up to ensure data integrity. It is legacy memory upgrade 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 503-19029-00 board into rack slot and secure gold finger connector. Power on rack, enter CNC system to verify recognized memory capacity. Run memory read/write self-test, then backup CNC parameters and NC programs.

Interface

Interface list: Backplane gold finger connector,on-board POWER / ACT / FAULT LED indicators for Giddings & Lewis 503-19029-00.

Diagnostic

Troubleshooting: System cannot detect memory board:Check +5V backplane supply or gold finger contact. FAULT LED lit:Memory chip failure or data parity error. Program corruption:Unstable backplane power or damaged memory IC.

Product Brief

Brief description: 503-19029-00 is Giddings & Lewis legacy memory expansion board,for expanding CNC system memory to store large machining programs and machine parameters on heavy CNC boring mills,discontinued CNC memory PCB spare.