Yaskawa JANCD-YCP21-E Main CPU Control Board for DX200 Robot Controller

Product Overview

The Yaskawa JANCD-YCP21-E is a CPU control circuit board specifically designed for the DX200 series robot controller. This board serves as the central processing unit within the DX200 control cabinet, responsible for executing motion control algorithms, managing I/O communications, and coordinating real-time operations required for precise robotic manipulation. The YCP21-E board integrates the main processor, memory subsystems, and communication interfaces that enable the DX200 controller to command Yaskawa industrial robots across applications including arc welding, material handling, assembly, and painting. As a critical component of the DX200 architecture, this CPU board ensures deterministic response times and high reliability.

Key Features of Yaskawa JANCD-YCP21-E

The JANCD-YCP21-E CPU board incorporates a high-performance 32-bit processor optimized for real-time robot control, including kinematics calculations, trajectory planning, and servo loop closure. The board includes dedicated memory modules for program storage, system parameters, and robot position data, enabling rapid access to user-defined routines. Multiple communication interfaces are provided to exchange data with the servo amplifier, safety logic unit, teach pendant, and external I/O devices. The board features surface-mount technology and conformal coating to resist vibration, temperature variation, and airborne contaminants. Diagnostic LEDs provide visual indication of CPU status, bus activity, and fault conditions, assisting maintenance personnel.

The YCP21-E board operates from the DC power supply provided by the DX200 controller backplane and complies with Yaskawa's reliability standards. It supports the full instruction set of the INFORM III programming language, including linear interpolation, circular interpolation, and spline paths. The board manages the multi-tasking environment that allows concurrent execution of robot motion, I/O processing, and background communication tasks without interfering with real-time performance. Onboard watchdog timer functionality initiates a safe stop if the control software fails to reset the timer, ensuring fail-safe operation.

Technical Specifications

• Manufacturer: Yaskawa Electric Corporation

• Part Number: JANCD-YCP21-E

• Product Type: CPU Control Circuit Board / PCB

• Compatible Controller: Yaskawa DX200 Robot Controller

• Processor Type: 32-bit dedicated robot control CPU

• Programming Language: INFORM III

• Control Axes: Up to 72 axes (with additional axis boards)

• Communication Protocols: Yaskawa proprietary bus, I/O Link, Ethernet

• Memory: Flash and battery-backed RAM

• Diagnostics: Onboard status LEDs, watchdog timer

• Environmental Protection: Conformal coated PCB

• Power Supply: DC from controller backplane

• Operating Temperature: 0 to +45 °C

• Storage Temperature: -20 to +60 °C

Functional Description

The JANCD-YCP21-E CPU board executes the user-defined robot program stored in its non-volatile memory. During operation, the CPU reads the current position of each robot axis from encoder feedback, calculates the next setpoint based on the programmed motion profile, and sends torque commands to the servo drives. The board simultaneously manages digital and analog I/O signals, reading sensor inputs and activating end effectors according to program logic. The multi-tasking capability allows background operations such as production logging or communication with higher-level systems while continuing the primary motion sequence. The watchdog timer monitors scan cycles; if not reset within the specified interval, the board initiates a safe stop, placing outputs in a predetermined safe state.

Applications

The Yaskawa JANCD-YCP21-E CPU board is used in all DX200-controlled industrial robot installations. Typical applications include robotic arc welding cells, spot welding lines, machine tending systems, palletizing stations, and assembly automation. For maintenance and repair, this CPU board provides a direct replacement for failed units, extending equipment operational life.