YASKAWA JANCD-CP50B High-performance main control board
The YASKAWA JANCD-CP50B is a high-performance Main CPU Board specifically designed for the YASNAC J50 series CNC (Computer Numerical Control) systems.
It serves as the "brain" of the control unit, executing complex motion control algorithms and managing data flow between the operator interface and the drive systems.
Introduction
The JANCD-CP50B is the central processing unit of the YASNAC J50L and J50M control racks.
In the hierarchy of CNC hardware, this board is responsible for interpreting G-code, calculating tool paths (interpolation), and supervising system-wide logic.
Because it is a legacy component, it is widely utilized today as a critical spare part for maintaining older high-precision machining centers.
Technical Parameter Table
| Parameter | Specification |
| Model Number | JANCD-CP50B (Alternate ID: DF9202627-E0) |
| System Compatibility | YASNAC J50 Series (J50L, J50M) |
| Function | Main CPU / Logic Control Board |
| Processor Type | Proprietary Yaskawa Central Processor |
| Mounting | Backplane Plug-in (compatible with JANCD-BB50B) |
| Weight | Approx. 0.23 kg |
| Status Indicators | On-board Diagnostic LEDs (Run, Alarm, etc.) |
| Memory Support | Interfaces with JANCD-MM51-3 (Memory Extension) |
Product Advantages and Features
Legacy Precision: Provides the high-speed block processing required for smooth surface finishes in milling and turning.
Integrated Diagnostics: Features a row of LED indicators that allow technicians to identify CPU or BUS errors without external tools.
Backward Compatibility: Specifically designed to replace older revisions (like the standard CP50) in existing J50 racks.
Robust Logic: Built to industrial standards to handle the heat and electrical interference found in heavy-duty machine shop environments.
Application Cases
Punch Presses: Managing the high-speed synchronization of turret movement and punching cycles.
Metal Lathes/Milling Machines: Serving as the core controller for brands like Matsuura or Kitamura that utilize YASNAC systems.
Retrofit Maintenance: Used by specialized repair facilities to restore functionality to CNC units where the original CPU has failed due to age or electrical surge.
High-Speed Tapping: Coordinating multi-axis movement for precision threading operations.
Related Models & Other Models in the Same Series
The JANCD-CP50B is rarely used alone; it is typically part of a specific board set within the J50 control rack:
| Model | Function / Description |
| JANCD-CP50 | Standard Main CPU (Earlier version of the CP50B) |
| JANCD-BB50B | Backplane / Motherboard for the J50 controller rack |
| JANCD-MM51-3 | Memory Extension Board (Stores part programs and parameters) |
| JANCD-SR51 | Single-axis Servo Interface Board |
| JANCD-IF50 | Interface board for I/O and communication |
| User name | Member Level | Quantity | Specification | Purchase Date |
|---|
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