Yaskawa JANCD-C Main Control Board

Technical Specifications

Model:JANCD-C

Brand:Yaskawa

Product type:Yasnac CNC main CPU control PCB board

Power supply:DC24V

Control function:NC machining program decoding,multi-axis motion interpolation calculation,system parameter management,peripheral board bus scheduling

Communication:System backplane bus

Mounting:Rack mount

Operating temperature:0~55℃

Relative humidity:5~95% non-condensing

Weight:0.47kg

Certification:CE

System compatibility

JANCD-C belongs to Yaskawa Yasnac early CNC controller family,matched with vintage Yasnac CNC systems and supporting servo boards. Widely used in old CNC lathes and milling machines. This is a discontinued legacy main control board for old machine tool maintenance spare replacement.

Function

JANCD-C serves as high precision Yasnac CNC main CPU control board. It reads and decodes NC machining programs,completes multi-axis interpolation calculation,distributes motion instructions to servo control board. It manages system parameters,alarm information and peripheral board bus scheduling. Built-in hardware watchdog circuit to prevent abnormal machine operation. It acts as the core processing unit of early Yasnac CNC machine tool system.

Installation

Mount JANCD-C inside CNC controller cabinet. Complete backplane bus connection according to wiring drawing. Backup CNC parameters before replacement,verify system boot and axis motion function after power-up.

Interface

‑System backplane bus connector

‑Parameter backup battery socket

‑Serial communication port

‑Onboard motion calculation CPU circuit

Circuit feature

Compact rugged PCB layout,equipped with surge and ESD suppression circuit. Stable calculation response,strong anti-interference performance for industrial cabinet environment. Standard factory firmware preloaded.

Feature

JANCD-C is obsolete Yaskawa Yasnac series spare part. Typical failures include system boot failure,battery induced parameter loss,backplane communication interruption. Check board integrity and connector pins before replacement. This board must match corresponding Yasnac CNC controller,direct substitution without parameter backup and function test is not recommended.

Diagnostic

When CNC boot failure,parameter data loss or backplane communication fault occurs,the board triggers corresponding alarm codes and sends fault signal to CNC system.

Built‑in function

NC program decoding,multi-axis interpolation calculation,system parameter storage,hardware watchdog monitoring,used as Yasnac CNC main control board spare replacement.

Product Brief

JANCD-C is Yaskawa Yasnac old CNC series main CPU control board for vintage CNC machine tools and precision automation equipment. Confirm CNC controller model matching before ordering. ESD protection required during handling and installation.