Products Description
Yaskawa JANCD-B Backplane Board

Technical Specifications
Model:JANCD-B
Brand:Yaskawa
Product type:Yasnac CNC rack backplane PCB board
Power supply:DC24V
Control function:Multi-slot internal bus signal transmission,system power distribution for plug-in functional boards,internal signal routing and power protection
Communication:Parallel backplane bus
Mounting:Rack mount
Operating temperature:0~55℃
Relative humidity:5~95% non-condensing
Weight:0.70kg
Certification:CE
System compatibility
JANCD-B belongs to Yaskawa Yasnac vintage CNC controller family,matched with early Yasnac CNC systems. Widely used in old CNC lathes and milling machines. This is a discontinued legacy rack backplane board for old machine tool maintenance spare replacement.
Function
JANCD-B serves as high precision CNC rack backplane board. It supplies physical slot interfaces and internal bus routing for all plug-in boards inside the CNC cabinet. It distributes DC power to CPU board,spindle board,servo board and I/O modules. Built-in power and signal protection circuit to reduce interference. It provides stable power supply and reliable bus communication between all functional boards of the CNC controller.
Installation
Mount JANCD-B on the CNC rack frame. Check slot connectors and power pin definition before inserting PCB boards. Align and lock each functional board into the corresponding slot. Verify bus communication and power status after power-up.
Interface
‑Multiple card slot connectors
‑Main DC power input terminal
‑Internal backplane bus traces
‑Onboard power distribution and signal protection circuit
Circuit feature
Compact rugged PCB layout,equipped with surge and ESD suppression circuit. Stable bus signal transmission,strong anti-interference performance for workshop environment.
Feature
JANCD-B is obsolete Yaskawa Yasnac series spare part. Typical failures include slot pin oxidation,power track open circuit,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,pin overcurrent protection,used as Yasnac CNC rack backplane board spare replacement.
Product Brief
JANCD-B is Yaskawa Yasnac old 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.