Basic Specification

Model: JANCD-GMM11 (often abbreviated as GMM11)

Type: Main CPU of CNC system / Motion control motherboard

Compatibility: YASNAC 2000G, 3000G series, Seiki machine tools

Functions: System computing, multi-axis interpolation, PLC execution, bus management, axis control

Hardware Specifications

Form: Full-length industrial standard board, gold finger slots, backplane DC5V power supply

Processor: 32-bit CPU + motion DSP

Memory: On-board DRAM/Flash, storing system programs and parameters Interface:

CN1 to CN4: Servo / Spindle Bus Interface

Ethernet, RS-232: Communication between Host Computer / Programmer

Panel / Display Interface, System Bus (connected to I/O Board)

Indicators: PWR (Power), RUN (Operation), ALM (Alarm) Core function

System initialization, parameter management, PLC program execution

Multi-axis linkage interpolation (straight line, arc, helix)

Servo closed-loop control, output of position/velocity/torque commands

Handwheel, feed rate, rapid movement control

Alarm diagnosis and fault code output

Environment and installation

Operating temperature: 0 - 55℃; Storage: -25 - +85℃

Humidity: 30% - 95% RH (no condensation)

Installation: Control cabinet vertical slot insertion, fixing screws, reliable grounding

Maintenance and common faults

Daily: Keep clean, check gold fingers, connector tightness

Common problems:

System does not start: DC5V abnormality, gold fingers oxidized, Flash damage

Operation alarm: Axis interface loose, servo communication failure, parameter error

System freeze / lag: CPU overheating, memory failure, program conflict