Yaskawa JANCD-1020 (I/O Control Board)
May 29, 2026

Yaskawa JANCD-1020 (I/O Control Board)

JANCD-1020 is a general-purpose digital I/O master board for Yaskawa YASNAC i80/i90 CNC and Motoman XRC robot controllers. Common part numbers include JANCD-1020-01 / -03 (Rev C). Though discontinued (EOL), it remains widely used for replacement and repair in legacy machines.

Description

Model Meaning

  • JANCD: Yaskawa CNC / robot control board series

  • 1020: 10-series, 20th-type I/O master board

  • -01 / -03: Hardware revisions; Rev C = 3rd revision (standard industrial grade)

  • YN1015707: Yaskawa internal part number


Key Specifications (Electrical / Mechanical)

Electrical

  • Power Supply: 24 V DC ±10%

  • I/O Points: 64 inputs / 64 outputs (24 V DC, sink/source selectable)

  • Isolation: Opto-isolated, 500 V AC withstand

  • Response Time: ≤ 2 μs

  • Connectors: 4 × 50‑pin ribbon cables (J1–J4)

  • LEDs: 16 status indicators (power, run, alarm, I/O state)

Mechanical & Environmental

  • Mounting: Standard rack slot (i80/i90 CNC, XRC robot backplane)

  • Dimensions: 245 × 155 × 30 mm

  • Weight: Approx. 0.7 kg

  • Operating Temperature: 0 °C to +45 °C

  • Protection: IP20 (conformal coating optional)


Main Features

  1. General‑purpose I/O control: Manages discrete signals for machine tools, robots, and automation equipment.

  2. High integration: Combines 128 I/O points on a single board, reducing system complexity.

  3. Noise immunity: Opto‑isolation and differential signaling ensure reliability in harsh industrial environments.

  4. Legacy compatibility: Drop‑in replacement for older YASNAC and Motoman systems; no wiring changes required.

  5. Diagnostic LEDs: Real‑time status monitoring for quick troubleshooting.


Applications

  • YASNAC i80/i90 CNC (milling, turning, machining centers)

  • Motoman XRC robot controllers (welding, material handling, assembly)

  • Legacy automation requiring high‑density discrete I/O

  • Replacement/retrofit for failed JANCD-1020-01 / -03 boards in existing production lines


Compatibility Notes

  • Not interchangeable with JANCD-1003 (servo I/O), 1004 (digital input), or 1006 (encoder I/O) series.

  • Direct swap within the 1020 series (‑01, ‑03, Rev C).


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