Giddings & Lewis M-1016-9491 945 Processor Module

Technical SpecificationsModel：M-1016-9491 Brand：Giddings & Lewis Product Type: Single-slot plug-in PiC900 series 945 CNC processor module for PiC900 rack backplane

Module Feature:Function: 945 series main CPU processor board for PiC900 CNC system, responsible for G-code interpretation, multi-axis motion interpolation, I/O scanning and ARCNET peer-to-peer network communication for G&L boring mills and machining centers. Processor speed:50MHz microprocessor Onboard memory:Built-in flash firmware storage, battery-backed RAM for machine parameters and part programs Network interface:ARCNET peer-to-peer bus, supports I/O expansion and multi-controller interconnection Onboard ports:Serial port for operator HMI connection Firmware:Field upgradable PiCPro firmware LED indicators:OK, RUN, SYS FLT, COM, NET diagnostic lights Hardware self-diagnosis:Memory integrity test, backplane bus monitoring, ARCNET network status detection, watchdog fault detection Programming software:PiCPro programming and configuration software

Electrical ParametersBackplane supply:+3.3V max 600mA; +5V max 350mA Power consumption:Max 4.2W Backup battery for RAM data retention, sold separately

Mechanical & Structure:Mounting:Plug into PiC900 rack single slot Weight:0.24kg Protection class:IP20

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

System compatibilityM-1016-9491 belongs to Giddings & Lewis PiC900 control platform. Compatible with PiC900 backplane, servo drive modules, digital I/O boards and original operator panels. Widely used on G&L 70A series horizontal boring mills, PMC CNC boring machines and legacy heavy machining centers.

FunctionM-1016-9491 is PiC900 945 processor board manufactured by Giddings & Lewis. It runs PiCPro CNC software to execute part programs and handle real-time multi-axis servo interpolation. Integrated ARCNET peer-to-peer bus realizes distributed I/O expansion and communication between multiple controllers. Battery-backed RAM protects machine parameters and programs during power failure. It is a critical spare CPU card for legacy Giddings & Lewis heavy CNC machine tools.

InstallationFollow lockout/tagout safety procedure before installation. Cut off rack backplane power. Insert M-1016-9491 module into PiC900 backplane slot and lock retainer. Install backup battery for memory retention. Connect ARCNET network cable and HMI serial cable. Configure network node address and machine parameters in PiCPro software. Power on rack and verify CNC boot, axis motion and ARCNET communication.

InterfacePiC900 backplane gold-edge connector,ARCNET network port,serial communication port,on-board OK / RUN / SYS FLT / COM / NET LED indicators for Giddings & Lewis M-1016-9491.

DiagnosticCNC cannot boot:Check backplane power supply, backup battery voltage or module installation. NET LED alarm:ARCNET cable fault, node address conflict or network termination issue. SYS FLT LED lit:Memory error, firmware corruption or backplane communication failure.

Product BriefM-1016-9491 is Giddings & Lewis legacy PiC900 945 CNC processor module,with 50MHz CPU and ARCNET peer-to-peer bus for heavy boring mills and machining centers,discontinued CNC control spare card.