Giddings & Lewis 502-03417-02 Intelligent Servo Control Board

Technical Specifications

Model： 502-03417-02

Brand： Giddings & Lewis

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

Module Feature:

Function: Intelligent servo control board for G&L NumeriPath CNC platform. Executes position and velocity closed-loop servo calculation, outputs ±10V analog motion commands and collects differential A/B/Z incremental encoder feedback for heavy horizontal boring mills and large machining centers.

Signal interface: ±10V analog velocity command output, differential incremental A/B/Z encoder input

Onboard components: Dedicated servo processor, battery backed RAM for axis parameters and servo tuning data

Hardware watchdog circuit for system fault protection

LED indicators: POWER, ACTIVE, AXIS FAULT, FAULT diagnostic lights

Hardware self-diagnosis: Encoder signal loss detection, axis tracking error monitoring, analog output overrange check

Programming software: Giddings & Lewis proprietary CNC software for motor parameter setup, servo gain tuning and fault reading

Electrical Parameters

Backplane supply: +5VDC

Field analog reference supply: ±15VDC

Power consumption: Max 13.5W

Backup memory: Lithium battery for retaining axis servo parameters during power interruption

Mechanical & Structure:

Mounting: Rack slot mount with gold finger edge connector

Weight: 1.3kg

Protection class: IP20

Environmental:

Operating temperature: 0℃ ~ +55℃

Ambient humidity: 5~85% non-condensing

Certification: CE

Status: Manufacturer discontinued legacy intelligent servo control board

System compatibility

Compatibility description: 502-03417-02 belongs to Giddings & Lewis NumeriPath servo control family. Compatible with matching rack backplane, executive CPU board and G&L analog servo amplifiers. Widely fitted on vintage heavy G&L horizontal boring mills.

Function

Function description: 502-03417-02 is intelligent servo control board manufactured by Giddings & Lewis. It works as dedicated servo interface between CNC main processor and analog servo drives. It receives motion trajectory commands from main CPU, performs real-time closed-loop servo computation, outputs ±10V analog velocity signals and reads encoder feedback to calculate axis position error. The onboard backup battery preserves servo parameters when power is cut off. It is legacy servo spare for old heavy G&L CNC boring mills.

Installation

Installation steps: Follow lockout/tagout safety procedure before installation. Cut off rack +5V and ±15VDC power. Insert 502-03417-02 board into rack slot and secure gold finger connector. Inspect backup battery condition. Wire shielded analog command cables and differential encoder cables. Configure motor parameters and tune servo gains. Run board self-test and verify axis homing and positioning performance.

Interface

Interface list: Backplane gold finger connector, analog command terminal block, A/B/Z encoder connector,on-board POWER / ACTIVE / AXIS FAULT / FAULT LED indicators for Giddings & Lewis 502-03417-02.

Diagnostic

Troubleshooting: AXIS FAULT: Encoder signal missing, mechanical overload or tracking error over threshold. FAULT LED lit: Onboard power abnormality, analog output short circuit or backplane communication failure. Parameter lost: Depleted backup battery or poor battery contact.

Product Brief

Brief description: 502-03417-02 is Giddings & Lewis legacy intelligent servo control board,with analog command and incremental encoder feedback for heavy CNC boring mill closed-loop axis servo control,discontinued CNC servo PCB spare.