Yaskawa JANCD-CU04 Control Unit Board

Technical Specifications

Model:JANCD-CU04

Brand:Yaskawa

Product type:Yasnac vintage CNC control unit PCB board

Power supply:DC24V

Control function:System logic coordination,inter-board signal management,interlock signal processing,backplane bus arbitration,system reset control

Communication:System backplane bus

Mounting:Rack mount

Operating temperature:0~55℃

Relative humidity:5~95% non-condensing

Weight:0.45kg

Certification:CE

System compatibility

JANCD-CU04 belongs to Yaskawa Yasnac CNC controller family,matched with vintage Yasnac CNC systems.Widely used in old CNC lathes,milling machines and machining centers.This is a discontinued legacy control unit board for old machine tool maintenance spare replacement.

Function

JANCD-CU04 serves as high precision Yasnac CNC control unit board.It coordinates signal interaction between CPU board,display board and I/O modules,handles system interlock and reset management,monitors system operating status and distributes control signals.Built-in hardware watchdog circuit to prevent abnormal system operation.It acts as the core system coordination unit of Yasnac vintage CNC machine tool system.

Installation

Mount JANCD-CU04 inside CNC controller cabinet.Complete backplane bus connection according to wiring drawing.Backup CNC parameters before replacement,verify system boot and interlock function after power-up.

Interface

‑System backplane bus connector

‑Interlock signal terminal

‑Reset control port

‑Onboard logic signal processing circuit

Circuit feature

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

Feature

JANCD-CU04 is obsolete Yaskawa Yasnac series spare part.Typical failures include system boot failure,interlock abnormal,signal disorder,backplane communication interruption.Check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,interlock fault or backplane communication fault occurs,the board triggers corresponding alarm codes and sends fault signal to CNC system.

Built‑in function

System reset management,interlock signal processing,board signal coordination,system status monitoring,used as Yasnac vintage CNC control unit board spare replacement.

Product Brief

JANCD-CU04 is Yaskawa Yasnac old CNC series control unit board for vintage CNC machine tools and precision automation equipment.Confirm CNC controller model matching before ordering.ESD protection required during handling and installation.