I. Product Overview

Model: JANCD-CG31 (including sub-models CG31-1, CG31/24; Part Number: DF8203626-C0)

Category: CNC Graphic Control PCB Board

Applicable to: YASNAC 2000G/3000G CNC system (配套 JZNC-RK22 chassis)

II. Core Functions

Graphic Display Control： Drive CRT / monitor， output machining trajectories， coordinates， program interface

System Human-Machine Interface： Process panel buttons， indicator lights， handwheel signals， achieve human-machine interaction

Video Signal Generation： Generate CNC-specific video signals， support graphic and text overlay display

III. Technical Parameters

Structure： Full-size long card， gold finger slots， 64MHz crystal oscillator

Interface： CNA/CNB (video output)， CN47/CN49 (panel / handwheel)

Power Supply： Backplane DC5V/±12V， power consumption approximately 20W

Temperature： Working 0–55℃， storage -20–70℃

Weight： Approximately 1.1kg

IV. Differences of Common Models

JANCD-CG31： Standard version， compatible with standard display

JANCD-CG31-1： 1MB video memory version， enhanced graphic processing

JANCD-CG31/24： 24V power supply version， compatible with special chassis

V. Installation and Maintenance

Installation： Insert vertically into the dedicated long slot beside the CPU， tighten the screws； leave 50mm space for heat dissipation

Maintenance： Regularly blow off dust； check gold finger without oxidation； back up system parameters

VI. Common Faults

No display / flickering screen： Graphics card chip damage， crystal oscillator failure， interface loosening

No response of buttons： Panel interface failure， input chip damage

"GRAPHIC ERROR" message during startup： Board card damage or incompatibility