Key Identifiers

• Part Number: DF900676‑C0

• Board Model: JANCD‑MRY01‑1

• Revision: Rev. D03

• Manufacturer: Yaskawa Electric

• Type: Relay & Safety Interface PCB

• Status: Obsolete（only used/refurbished available）

Specifications

• Power Supply: 24 V DC（from backplane bus）

• Relays: 6‑channel dry‑contact outputs（safety door, E‑stop, interlocks）

• Isolation: Galvanic isolation between control and load circuits

• Mounting: Standard slot in XRC/J300 rack

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

• Cooling: Natural convection

Functions

• Monitors E‑stop, safety door, and interlock signals.

• Drives external contactors, lamps, and alarms via relay outputs.

• Provides electrical isolation for safety‑critical circuits.

• Expands I/O for peripheral devices.

Compatibility

• Controllers: Motoman XRC, Yasnac J300/J500

• Backplane: DF8203498‑B0（JANCD‑1003E）

• Memory Board: DF8203830‑C0

• I/O Board: DF8203751‑A0

Common Faults & Maintenance

• Typical Faults: E‑stop circuit errors, relay no‑act, interlock false alarms.

• Maintenance: Use ESD protection; check contacts for burnout and terminals for tightness.

• Replacement: Must use DF900676‑C0（JANCD‑MRY01‑1 Rev. D03）; power off before removal.