DF9200952-B0 Product Technical Manual

Manufacturer: Yaskawa

Model: DF9200952-B0

Board Code: JANCD-FC250 (REV.B0)

Type: CNC / Machine Control System Axis Control / Servo Control Board

Applicable Systems: Yaskawa Yasnac series CNC systems, MX3, MRC, etc. machine controllers

I. Product Overview

DF9200952-B0 (JANCD-FC250) is a servo axis control core board used by Yaskawa for CNC machine tools, machining centers, electrical discharge machines (EDM), etc. It is mainly responsible for multi-axis servo closed-loop control, position feedback processing, pulse instruction output, axis motion logic operation, and is a key hardware module for achieving high-precision trajectory control and interpolation operation in machine tools. B0 is a stable mass production hardware revision (REV.B), compatible with multi-axis联动 CNC systems.

II. Physical Specifications

Board Type： Standard 6U VME industrial control board

Size： Approximately 233mm × 160mm × 20mm

Weight： Approximately 0.6kg

Core Components

Specialized motion control ASIC

Axis Control DSP Processor

64MB High-Speed Cache

Optical Isolation Drive Circuit

Encoder Signal Processing Unit

External Interfaces

CN1： Servo Axis Pulse Instruction / Direction Output

CN2： Encoder A/B/Z Phase Feedback Input

CN3： Axis Limit / Origin / Emergency Stop I/O Terminal

CN4： VME Bus Backplane Interface

LED Status Lights： PWR， RUN， AX1~AX4， ALM

Process Characteristics

8-layer industrial PCB， gold plating process

Whole board three-proof coating (anti-dust， anti-humidity， anti-salt fog)

Industrial-grade components (-25℃~+75℃)

EMC Fourth-level Anti-interference

Port ESD Static Protection (±15kV)

III. Version and Compatibility

Version Evolution

DF9200952-B0 (JANCD-FC250 REV.B)： Standard Mass Production Version (currently the main promotion)

DF9200952-A0： Early Prototype Version (has been discontinued)

DF9200954-B0 (JANCD-FC251)： 4-axis Expansion Version (compatible with FC250)

Applicable Systems

Fully Compatible： Yasnac i80， i90， MX3， MRC， MPS-600 series

Partially Compatible： Some Yaskawa Robot Controllers (requires firmware adaptation)

Incompatible： DX100/DX200 Robot Systems (architecture different)

Replacement Relationship

B0 can directly replace A0， with stronger performance and higher stability

FC250 (B0) ↔ FC251 (B0)： Hardware compatibility， different axis configuration

IV. Core Function Characteristics

1. Axis Control Capability

Control Axis Number： 2-axis synchronous control (can be extended to 4 axes)

Control Modes

Position Control (Pulse / Direction)

Speed Control (Analog / Bus)

Torque Control

Electronic Gear / Electronic Cam

Control Precision

Instruction Resolution： 0.001mm

Position Loop Refresh： 250µs

Interpolation Cycle： 1ms

Maximum Pulse Output： 4Mpps

2. Feedback Processing

Encoder Type

Incremental A/B/Z (1Vpp Differential)

Absolute Encoder (SSI / BiSS)

Grating Scale / Magnetic Scale

Feedback Resolution： Up to 16 bits

Breakdown Detection： Real-time Encoder Breakdown， Short Circuit Diagnosis

3. Motion Control Function

Interpolation Modes

Linear Interpolation

Circular Interpolation

Helical Interpolation

Spline Interpolation

Motion Characteristics

Forward preprocessing (32 paragraphs)

Acceleration and deceleration smooth control (S-shaped curve)

Position loop / speed loop dual closed-loop regulation

Axis synchronization / following / superimposed motion

4. I/O and protection

Axis I/O

Axis positive/negative limit switches

Origin switch

Servo enable / alarm

Emergency stop interlock

Protection functions

Overcurrent, overload, overvoltage protection

Position deviation, following error alarm

Over-speed, over-range protection

Power monitoring, temperature monitoring

5. Diagnosis and maintenance

Real-time diagnosis: axis status, servo fault, feedback anomaly

Fault log: stores over 500 fault records (timestamp + code)

LED indication: intuitive display of power, operation, axis status, alarm

Firmware upgrade: supports CF card / bus online upgrade

V. Electrical parameters

Working power supply

Input: 5VDC ±5% (VME backplane power supply)

Power consumption: approximately 10W Environmental parameters

Operating temperature: 0°C ~ +60°C

Storage temperature: -40°C ~ +85°C

Humidity: 5%~95% RH (no condensation)

Vibration: 10~500Hz, 1.5G

Impact: 15G, 11ms

VI. LED Status Indicators

PWR (green): 5V power supply is normal (always on)

RUN (green): System is running (1Hz flashing)

AX1~AX2 (green): Axis 1/2 is activated (always on)

ALM (red): Fault alarm (always on = hardware failure, flashing = axis failure)

VII. Installation and Configuration

Installation: Power off and insert into the VME expansion slot of the CNC controller

Hardware Settings

Axis address / node ID: Set by software

No hardware jumpers

Software Configuration

System → Axis Parameters → Control Mode, Resolution, Gain

Feedback type, limit logic, acceleration and deceleration parameters Debugging

Servo enable → Origin reset → Single-axis jog → Linkage test

Verification: RUN flashes, AX is constantly on, no alarm, smooth movement

VIII. Typical Applications

CNC machining center 2/4-axis servo control

Numerical control lathe feed axis / spindle linkage control

Electrical discharge machine (EDM) axis motion control

Grinding machine / milling machine high-precision trajectory control

Automation special machine multi-axis positioning, synchronous movement

Robot changeover machine / external axis expansion control