1. Overview

2. Specifications

• Memory type: Non‑volatile flash memory

• Capacity: Standard size for controller system/program storage

• Interface: Proprietary edge connector (controller bus)

• Power: Supplied by controller bus (no external power needed)

• Ambient temperature: 0 °C to +55 °C

• Storage temperature: −20 °C to +70 °C

• Humidity: 95% RH non‑condensing

• Mounting: Inside controller, standard I/O slot

3. Functions

• Stores OS, firmware, robot programs, CNC programs, parameters, tool data, and backup logs.

• Supports boot, restore, and data transfer between controller and external devices.

• Enables system backup/restore for quick recovery after failure.

• Works as the primary system storage for XRC/MRC/i80 controllers.

4. Installation & Replacement

1. Turn off and lock out controller power.

2. Locate an empty standard slot in the controller rack.

3. Insert JANCD‑MM01B firmly into the slot until seated.

4. Secure with mounting screws.

5. Restore power; controller will auto‑detect the memory board.

6. Load system software or restore backup as required.

5. Data Backup & Restore

• Backup: Use teach pendant or CNC menu to save all data to MM01B or external USB.

• Restore: Boot controller from MM01B or select restore from backup via menu.

• Keep one full backup on MM01B and one on external media for safety.

6. Safety & Handling

• ESD protection required: Use grounded wrist strap when handling.

• Do not remove or insert the board with power on.

• Avoid static, moisture, dust, and physical shock.

• Do not modify, open, or repair the board; warranty void if tampered.

• Keep ventilation clear; clean dust periodically.

7. Compatibility

• Yaskawa Motoman XRC series robot controllers

• Yaskawa Motoman MRC series robot controllers

• Yaskawa YASNAC i80 CNC controllers

8. Official Manual