Product Specification – DF8203661-B0

1. General Information

• Manufacturer: Yaskawa Electric Corporation (Yasnac / Motoman)

• Part Number: DF8203661-B0

• Alternative Model: JANCD-SV03B (Revision B0 / B02)

• Product Type: CNC System CPU / Servo Control PCB Board

• Form Factor: Standard 6U Industrial Rack-Mount Module

• Product Status: Obsolete / Discontinued; Legacy spare part for CNC maintenance

2. Product Overview

3. Core Functions

1. Central Processing Unit: Executes CNC system firmware and motion control programs.

2. Multi-Axis Interpolation: Performs high-speed linear, circular, and helical path calculations.

3. Servo Feedback Processing: Reads and processes high-resolution encoder/resolver position feedback.

4. Closed-Loop Control: Implements advanced PID algorithms for position, velocity, and torque regulation.

5. Axis Command Output: Generates precise motion command signals to servo amplifiers.

6. System Bus Communication: Manages data exchange with I/O, memory, and operator interface boards.

7. Fault Monitoring & Diagnostics: Detects servo errors, overloads, and system faults; triggers safety alarms.

8. Signal Isolation: Provides optical isolation for noise immunity in industrial environments.

4. Technical Specifications

4.1 Electrical & Environmental

• Operating Voltage: +5V DC (supplied by system rack)

• Communication Interface: High-speed parallel CNC system bus

• Feedback Interface: Differential encoder inputs (A/B/Z phase)

• Command Output: Analog voltage (+/-10V) or pulse/direction signals

• Operating Temperature: 0°C ~ +45°C

• Storage Temperature: -20°C ~ +65°C

• Humidity: 5%–85% RH (non-condensing)

• Vibration Resistance: 0.5g, 10–60Hz (industrial standard)

• ESD Sensitivity: High; requires anti-static handling

4.2 Compatibility

• Applicable CNC Systems: Yasnac M64, M65, i80, i100 series controls

• Target Applications: CNC lathes, machining centers, milling machines, and robotic systems

• Direct Replacement: For DF8203661-B0 and JANCD-SV03B boards

5. Installation & Handling

• Safety: Power off entire CNC system before installation/removal.

• ESD Protection: Use anti-static wrist strap and mat to prevent component damage.

• Installation: Insert into dedicated CPU slot; secure all connectors.

• Commissioning: Power on, perform system initialization, and verify axis motion.

• Warranty: Typically 3–6 months for refurbished/reconditioned units.