I. Basic Specifications

Model: JANCD-GMM22

Type: 32-bit high-performance main CPU + large-capacity program/data memory board

Compatible systems: YASNAC 3000G (high-end model), 2000G (compatible expansion configuration)

Power supply: DC5V (direct supply from the back panel, power consumption approximately 35W)

Form: Full-length industrial board card, gold finger slots (Slot1 main slot)

Temperature: Working 0℃~+55℃; Storage -25℃~+85℃

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

Memory: Program storage 1MB, data / tool compensation storage 256KB

Maximum number of linked axes: Up to 8 axes linkage (supports multi-channel, complex surface processing)

II. Interfaces and Indicators

CN1: System bus (connects GMR22/GMR24 graphics board, GRT01 display IO board, high-speed transmission)

CN2: Axis control bus (connects servo amplifier/axis card, 8 axes, supports high-speed servo communication)

CN3: MDI / panel interface (key scanning, high-resolution display data interaction)

CN4: RS-232C serial port (DNC program transmission, maximum 19.2kbps) + expansion communication (optional)

Indicators:

PWR: Power normal (always on)

RUN: System running (1Hz flashing, fast flashing when under heavy load)

ALM: System alarm (always on / flashing, includes axis / communication / memory alarms)

MEM: Memory read/write (high-frequency flashing, dense when loading large programs)

III. Core Functions (enhanced compared to GMM11/GMM12)

Program execution: High-speed G/M/T code parsing, complex straight line / arc interpolation, 8-axis linkage + multi-channel trajectory planning (supports 5-axis linkage processing)

Memory management: 1MB large-capacity part program storage, 256KB parameters / tool compensation / macro program storage (supports extremely large processing programs)

Display control: Sends high-resolution coordinates, 3D tool trajectory, complex graphic data to GMR24, supports dynamic simulation

IO scheduling: Enhanced IO processing, fast response to machine emergency stop, limit, multiple sets of relay output, suitable for high-load scenarios

Communication: High-speed RS-232C DNC transmission, external device data interaction, system deep diagnosis monitoring, supports online debugging and remote monitoring

IV. Differences from GMM11/GMM12

GMM11: Basic model, 256KB memory, 4-axis linkage, compatible with 2000G standard model

GMM12: Mid-range model, 512KB memory, 6-axis linkage, compatible with 2000G/3000G universal model

GMM22: High-end model, 1MB memory, 8-axis linkage, enhanced computing speed + anti-interference ability + graphic processing ability, compatible with 3000G high-end (high-end multi-axis machine tool)

V. Installation and Maintenance

Installation: Control cabinet back panel Slot1 (main slot), push vertically and lock, align gold fingers (needs to match GMR24)

Wiring: Back panel DC5V power supply; CN1–CN4 away from power lines / frequency converters, it is recommended to use separate shielding wiring to avoid electromagnetic interference

Maintenance: Regular dust blowing, clean gold fingers; Back up parameters / programs every 3 months (built-in large-capacity CR2032 battery, longer battery life)

Faults:

No display: GMM22 not started, CN1 bus loose, power supply abnormal (need to check the stability of the back panel DC5V)

Program loss: Memory battery failure (replace CR2032, recommend using high-capacity model) Axis stationary: CN2 axis control bus failure, servo communication mismatch (please confirm that the servo model is compatible with GMM22)

High frequency alarms: Chip aging, cache error, incompatible with GMR22 (low-end graphics board) version (it is recommended to pair with GMR24)