Giddings & Lewis 572-04011-01R4 CPU943 Processor Module

Technical SpecificationsModel：572-04011-01R4 Brand：Giddings & Lewis Product Type: Single-slot plug-in PiC900 series CPU943 main processor module for PiC900 rack backplane

Module Feature:Function: PiC900 CPU943 main processor board, responsible for G-code interpretation, multi-axis motion interpolation, PLC logic execution, I/O scheduling, system alarm management for heavy horizontal boring mills and large machining centers. Memory: Flash memory for firmware; battery-backed RAM for CNC part programs, work offsets and machine parameters Communication: Built-in serial diagnostic port for PiCPro software connection and fault troubleshooting Backplane bus: High-speed parallel bus to communicate with I/O, encoder and SERCOS peripheral modules Hardware watchdog: Watchdog circuit to prevent system crash LED indicators: OK, RUN, FAULT diagnostic status lights Hardware self-diagnosis: Memory integrity test, backplane bus verification, battery health check, watchdog timeout detection Programming software: PiCPro for firmware download, parameter configuration, part program backup and module diagnostics

Electrical ParametersBackplane supply:+5V from PiC900 rack backplane Power consumption:Max 5.0W Onboard lithium backup battery for memory retention during power loss

Mechanical & Structure:Mounting:Plug into PiC900 rack single slot Weight:0.26kg Protection class:IP20

Environmental:Operating temperature:0℃ ~ +60℃ Ambient humidity:5~85% non-condensing Certification:CE Status:Manufacturer discontinued legacy PiC900 CPU943 processor module

System compatibility572-04011-01R4 belongs to Giddings & Lewis PiC900 control platform. Compatible with PiC900 backplane, SERCOS fiber communication boards, digital I/O, analog servo and encoder interface modules. Widely fitted on G&L 70A horizontal boring mills and PMC CNC boring machines.

Function572-04011-01R4 is PiC900 CPU943 processor module manufactured by Giddings & Lewis. It is the core computing unit of PiC900 CNC system. It decodes G-code instructions, calculates multi-axis trajectory interpolation and executes built-in PLC logic. It communicates with peripheral motion and I/O modules through rack backplane bus. The onboard backup battery retains machine parameters, offsets and CNC programs when power is cut off. It is a critical main CPU spare for legacy heavy G&L CNC machine tools.

InstallationFollow lockout/tagout safety procedure before installation. Cut off rack backplane power. Insert 572-04011-01R4 module into PiC900 backplane slot and lock retainer. Check backup battery condition before power-up. Connect serial diagnostic cable for PiCPro. Download machine parameters and part programs, run module self-test and verify axis motion and I/O functions.

InterfacePiC900 backplane gold-edge connector,serial diagnostic port,on-board OK / RUN / FAULT LED indicators for Giddings & Lewis 572-04011-01R4.

DiagnosticCPU boot failure:Check +5V backplane power, module seating or depleted backup battery. FAULT LED lit:Watchdog timeout, memory corruption or backplane bus communication error. No axis movement:Missing or misconfigured SERCOS/analog servo interface module, incorrect CNC parameter setup.

Product Brief572-04011-01R4 is Giddings & Lewis legacy PiC900 CPU943 processor module,with serial diagnostic port and battery-backed memory for heavy CNC boring mill multi-axis motion calculation,discontinued CNC CPU spare card.