Basic Specification

Original Part Number: JANCD-GMM12 (often abbreviated as GMM)

Type: Main CPU / Motion Control Board of Numerical Control System

Compatibility: YASNAC 2000G, 3000G series numerical control systems

Functions: System calculation, multi-axis interpolation, logic control, bus management

Hardware Specifications

Form: Semi-long industrial standard card, gold finger slot, backplane DC5V power supply

Processor: 32-bit high-speed CPU, built-in motion control DSP

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

Axis Control Interface (CN1-CN4): Servo / Spindle Bus

Communication Ports: Ethernet, RS-232

Panel / Display Interface

System Bus (Interconnected with I/O Board and Expansion 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 the firmness of gold fingers and connectors

Common problems:

System does not start: abnormal DC5V power supply, oxidation of gold fingers, Flash damage

Operation alarm: loose axis control interface, servo communication failure, parameter error

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