Yaskawa JANCD-BB50 Backplane Board

Technical Specifications

Model:JANCD-BB50

Brand:Yaskawa

Product type:Yasnac CNC rack backplane PCB board

Power supply:DC24V

Control function:Multi-slot backplane bus signal transmission,system power distribution for each plug-in board,internal signal routing and overcurrent protection

Communication:System backplane parallel bus

Mounting:Rack mount

Operating temperature:0~55℃

Relative humidity:5~95% non-condensing

Weight:0.73kg

Certification:CE

System compatibility

JANCD-BB50 belongs to Yaskawa Yasnac CNC controller family,matched with vintage Yasnac CNC systems. Widely used in old CNC lathes and milling machines. This is a discontinued legacy rack backplane board for machine tool cabinet maintenance spare replacement.

Function

JANCD-BB50 serves as high precision CNC rack backplane board. It supplies card slot connectors and internal bus traces for CPU,spindle,servo and I/O boards. It distributes DC power supply to all plug-in modules inside the cabinet. Built-in surge and ESD protection circuit to reduce interference from workshop environment. It is the core signal and power carrier for Yasnac CNC controller rack.

Installation

Mount JANCD-BB50 on CNC rack frame. Check slot pin integrity and power definition before inserting functional boards. Lock each PCB board into corresponding slot correctly. Verify bus communication and power status after power on.

Interface

‑System multi-channel card slot connectors

‑Main DC power input terminal

‑Internal backplane bus traces

‑Onboard power distribution and protection circuit

Circuit feature

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

Feature

JANCD-BB50 is obsolete Yaskawa Yasnac series spare part. Typical failures include slot pin oxidation,power circuit damage,intermittent bus signal. Check board integrity and connector pins before replacement. This board must match corresponding Yasnac CNC controller,direct substitution without full slot inspection is not recommended.

Diagnostic

When power abnormality,slot contact failure or backplane bus interruption occurs,the board triggers alarm codes and sends fault signal to CNC main controller.

Built‑in function

Multi-slot backplane signal routing,system power distribution for plug-in boards,bus signal transmission,power overcurrent protection,used as Yasnac CNC rack backplane board spare replacement.

Product Brief

JANCD-BB50 is Yaskawa Yasnac CNC series rack backplane board for CNC machine tools and precision automation equipment. Confirm CNC controller model matching before ordering. ESD protection required during handling and installation.