Giddings & Lewis 503-19486-00 Operator Communications Interface Module

Technical Specifications

Model： 503-19486-00

Brand： Giddings & Lewis

Product Type: Rack mount operator communications interface PCB assembly for legacy NumeriPath CNC system

Module Feature:

Function: Operator communication interface board for G&L NumeriPath CNC platform. It serves as bidirectional data bridge between operator HMI panel and CNC executive processor. Transmits operator input commands to main controller and feeds back real-time machine status, alarm and position data to operator screen for heavy horizontal boring mills and large machining centers.

Bus interface: Parallel backplane bus for data exchange with CNC CPU

Onboard components: Communication control processor, data buffer chips and memory ICs

LED indicators: POWER, TX, RX, FAULT diagnostic lights

Hardware self-diagnosis: Backplane communication test, data transmission error detection, board hardware integrity check

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

Electrical Parameters

Backplane supply: +5VDC

Power consumption: Max 8.6W

Mechanical & Structure:

Mounting: Rack slot mount with gold finger edge connector

Weight: 0.82kg

Protection class: IP20

Environmental:

Operating temperature: 0℃ ~ +55℃

Ambient humidity: 5~85% non-condensing

Certification: CE

Status: Manufacturer discontinued legacy CNC operator communications interface board

System compatibility

Compatibility description: 503-19486-00 belongs to Giddings & Lewis NumeriPath HMI communication family. Compatible with matching rack backplane, executive CPU and operator station panels. Widely fitted on vintage heavy G&L horizontal boring mills.

Function

Function description: 503-19486-00 is operator communications interface board manufactured by Giddings & Lewis. It handles data exchange between CNC operator panel and main CNC processor. It receives manual operation commands, program edit inputs and mode selections from HMI, then sends machine position, spindle speed, fault alarm and system diagnostic information back to operator display. It is the dedicated communication gateway for human-machine interaction of legacy NumeriPath CNC system. It is legacy HMI communication 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 503-19486-00 board into rack slot and secure gold finger connector. Connect communication cable to operator HMI panel. Configure communication parameters in CNC software. Power on rack, verify TX/RX LED status and test HMI command input and status display.

Interface

Interface list: Backplane gold finger connector, HMI communication port,on-board POWER / TX / RX / FAULT LED indicators for Giddings & Lewis 503-19486-00.

Diagnostic

Troubleshooting: No HMI communication:Check +5V rack supply, communication cable wiring or port damage. FAULT LED lit:Backplane communication failure or onboard buffer chip fault. Data loss or garbled display:Communication baud rate mismatch or intermittent cable connection.

Product Brief

Brief description: 503-19486-00 is Giddings & Lewis legacy operator communications interface board,for bidirectional data transmission between CNC operator panel and main processor on heavy CNC boring mills,discontinued CNC HMI communication PCB spare.