Basic Information

• Part Number: DF8203078‑D0 (also written DF8203078‑DO)

• Equivalent Models: JANCD‑CP11, JANCD‑HA03, JANCD‑SV02B

• Manufacturer: Yaskawa Electric (Japan)

• Type: Industrial CNC / Robot CPU & Servo Control PCB

• Revision: Common Rev. C, Rev. D

• Status: Obsolete; available as new old stock (NOS), refurbished, or used

• Application: Yaskawa Yasnac J300 / J500 CNC & Motoman XRC robot series

Specifications

Electrical

• Power Supply: 24 V DC ±10%

• Power Consumption: ~10–15 W

• Onboard Logic: 5 V DC

Hardware

• CPU: 16/32‑bit industrial processor

• Memory: System RAM + Flash for CNC/robot firmware

• Communication: RS‑232, RS‑485, servo bus, I/O link

• I/O: Digital inputs/outputs, servo encoder & command interfaces

• Dimensions (W×H×D): Approx. 280 × 150 × 30 mm

• Weight: ~0.5 kg

• Operating Temperature: 0 °C to +55 °C

• Protection: IP20 (cabinet‑mounted)

Key Functions

• System CPU: Executes CNC/robot programs, motion planning, logic control

• Servo Control: Coordinates servo axis position/speed loops, pulse commands

• System Monitoring: Real‑time diagnostics, alarm logging, data storage

• Communication Hub: Connects teach pendant, HMI, servo drives, and host PC

Applications

• Yaskawa Motoman XRC robots (UP6, HP20, etc.)

• Yaskawa Yasnac J300 / J500 CNC machine tools

• Legacy automation lines requiring CPU/servo board replacement

Compatibility & Differences (vs DF8203078‑B0)

• DF8203078‑D0: Rev. C/D, improved stability, updated firmware, better noise immunity

• DF8203078‑B0: Rev. A/D, older hardware, original baseline version

• Interchangeability: D0 is a drop‑in upgrade for B0 in the same system; not compatible with NX100/FS100 robot boards

Maintenance & Common Issues

• Common Failures: Capacitor aging, flash memory errors, communication port damage

• Replacement: Verify DF8203078‑D0 and JANCD‑CP11/HA03/SV02B markings; prefer units with warranty

• Installation: Use ESD protection; ensure clean, dry, well‑ventilated cabinet environment