Detailed Specification of Yaskawa DF920666-B0 Product

Brand: Yaskawa (Yaskawa Electric)

Model: DF920666-B0

Hardware Number: JANCD-MSP01-1 (REV.B0)

Product Type: XRC Series Robot Servo Power Control Board / Servo Drive Interface Board

Applicable System: Yaskawa Motoman XRC Series Robot Control Cabinet

Origin: Japan

I. Model Code Interpretation

DF920: Identification of Yaskawa XRC Robot Control Board Series

666: Specialized board for servo power / drive interface (not CPU board)

B0: Version Revision Number (Version B, Revision 0)

Related Models: JANCD-MSP01-1, DF920666-A0 (Version A)

II. Core Function Positioning

DF920666-B0 is the core board of the XRC control system's servo power and drive interface, not responsible for CPU operation, and its main functions are:

Servo Power Management: Provide stable and controlled 24V/48V power for servo drives

Drive Signal Distribution: Distribute CPU instructions to each axis servo drive

Current Detection and Protection: Real-time monitoring of servo current, overcurrent / overload / short circuit protection

Servo Feedback Processing: Receive encoder position / speed signals and feed back to CPU

Safety Circuit Control: Servo enable, emergency stop, brake control

III. Technical Specifications

1. Electrical Characteristics

Working Voltage: 24V DC ±10% / 48V DC (Servo Drive Main Power Supply)

Input Current: Maximum 15A (Total Servo Power)

Output Voltage: 24V DC (Servo Control), 48V DC (Servo Power)

Signal Isolation: Full optocoupler isolation (anti-interference CLASS B)

Protection Functions: Overcurrent, Short Circuit, Overvoltage, Undervoltage, Overheat Protection

2. Hardware Configuration

Power Chip: High-power DC/DC Voltage Stabilization Module

Current Detection: 6-axis High Precision Current Sensor (±20A)

Encoder Interface: 6 channels Differential Signals (A/B/Z Phase, 5V TTL)

Servo Enable: 6-axis Independent Enable Control

Brake Control: 6-axis Electromagnetic Brake Driver (24V/1A)

Status Indicators: Power, Operation, Fault LED Indicators

3. Physical Parameters

Size: Approximately 200mm × 150mm × 20mm

Weight: Approximately 0.3kg

Installation: Standard slot of XRC Control Cabinet (CPU Board on the Right Side)

Protection: IP20 (Installed in the Cabinet)

4. Environmental Parameters

Operating Temperature: -10°C ~ +60°C

Storage Temperature: -20°C ~ +70°C

Humidity: 5% ~ 95% RH (No Condensation)

Anti-Vibration: 5–90Hz, 0.5G

Anti-Shock: 15G (11ms Half-Sine Wave)

IV. Interfaces and Control Capabilities

1. Servo Interface (Core)

Axis Number Support: 6-axis Standard Servo (Matched with DF9203006-C0 CPU Board)

Encoder Signals: 6 channels Differential A/B/Z Phase (5V TTL)

Servo Commands: 6-axis ±10V Analog Speed / Torque Commands

Servo Enable: 6-axis Independent Enable (SERVO ON)

Brake Control: 6-axis 24V Brake Output (BRAKE RELEASE)

Current Feedback: 6-axis 0–5V Current Monitoring Signal

2. Power Interface

Main Power Input: 48V DC (Servo Power), 24V DC (Control)

Power Output: 6-axis Servo Drive Power (48V/10A per axis) Auxiliary power supply: 24V/5A (encoder, brake, sensor)

3. Safety and I/O

Emergency stop circuit: Dual circuit emergency stop (normally closed 24V)

Servo disable: External safety signal (SAFE OFF)

Fault output: ALARM (fault alarm), READY (ready)

Temperature detection: Built-in temperature sensor (overheating protection)

V. Functional Features

6-axis servo power centralized management

Stable power supply, independent protection, precise fault location

High-precision current/position feedback

Real-time processing of encoder signals, positioning accuracy ±0.01mm Multiple security protections

Overcurrent, short circuit, overvoltage, undervoltage, overheating, emergency stop, servo disable

Compatible with the entire XRC series

Fully compatible with DF9203006-C0/3008-B0/3020-C0 CPU board Fault diagnosis

6-axis independent fault codes, LED status indication, historical records

VI. Applicable Models

Yaskawa XRC series robots:

UP6, UP20, UP50, SK6, SK16, HP6, HP20, HP50

All 6-axis standard XRC systems (without external axis expansion)

Not applicable:

9-axis / 12-axis expansion systems (requires DF920667 series expansion board)

XRC2, DX100, DX200, YRC1000 new control cabinets

VII. Compatibility and Replacement

Direct replacement:

DF920666-A0 (Version A)

JANCD-MSP01-1 (Revision B)

With CPU board:

Standard: DF9203006-C0 (6-axis basic CPU)

Compatible: DF9203008-B0 (9-axis, requires expansion board)

Compatible: DF9203020-C0 (12-axis, requires expansion board)

VIII. Certification

CE (EMC, LVD) UL / cUL

ISO 9001

IX. Summary of Product Features

XRC 6-axis Servo Power Supply / Drive Interface Core Board

6-axis independent power supply, current, encoder, enable, brake control

Multiple safety protections, high-precision feedback, stable and reliable

Original Yaskawa, industrial-grade lifespan, fully compatible with XRC system

Preferred for maintenance and replacement, precise fault location