Model Definition

• DF9200676: Base part number (I/O board series)

• D0: Hardware revision (upgrade from C0; predecessor to D0N)

• JANCD-MRY01B-1: Yaskawa official model name

• D0N: RoHS‑compliant lead‑free version of D0

Specifications

Electrical

• Input Voltage: 24 V DC ±10%

• I/O Channels: 16 digital inputs / 16 digital outputs

• Signal Level: 24 V DC / TTL compatible

• Isolation: Optocoupler isolation per channel

• Power Consumption: ~18 W

• Features: Surge suppression, short‑circuit protection

Mechanical & Environmental

• Dimensions: 220 × 150 × 25 mm

• Weight: ~0.48 kg

• Operating Temp: 0 °C to 55 °C

• Storage Temp: −20 °C to 70 °C

• Humidity: ≤80% RH (non‑condensing)

• Protection: IP20 (cabinet use)

Interfaces

• CN1: 24 V DC power input

• CN2–CN3: 16‑in / 16‑out I/O terminals

• CN4: System bus (to main backplane)

• Onboard LEDs: PWR, RUN, ALM, CH status

Core Functions

1. Digital I/O Control: 16 inputs (sensors, switches) / 16 outputs (relays, actuators).

2. Signal Conditioning: Filtering, isolation, and level conversion for external signals.

3. Bus Communication: High‑speed data exchange with the main controller via backplane bus.

4. Fault Monitoring: Channel‑level diagnostics; reports errors via LEDs and system alarms.

5. System Expansion: Enables integration of grippers, conveyors, and other peripherals.

Compatibility

• Controllers: Motoman MRC, XRC

• Direct Replacements: DF9200676-B0, C0

• Pin‑to‑Pin Compatible: DF9200676-D0N

• Matching Boards:

  • Backplane: DF9200674-D0 / E0N

  • Servo: DF9200662-D0, DF9200664-D0N

  • Power: DF9200471-D1 / E0

Common Faults & Maintenance

Common Faults

• No power: Blown fuse or faulty 24 V input.

• Channel dead: Damaged optocoupler or terminal oxidation.

• Bus error: Loose CN4 connector or backplane issue.

Maintenance

• Use ESD protection when handling.

• Keep connectors clean and free of dust/oxidation.

• Verify 24 V DC stability before power‑on.

• Cut system power before removal/installation.

Applications

• I/O control for Motoman MRC/XRC robot cabinets.

• Integration of sensors, grippers, and material‑handling peripherals.

• Field replacement/upgrade for older B0/C0 boards.

• Industrial automation requiring reliable, isolated digital I/O.