2. General Description（English）

• Purpose: Non-volatile UV-EPROM based memory board for controller boot and permanent data storage。

• Form Factor: Plug-in PCB for backplane slot mount（same as MM02 series）。

• Key Feature: 44 = specific firmware/configuration version（fixed for certain machine types）。

• Common Use: Replacement for legacy Yaskawa robots & CNC；discontinued / obsolete，only used/refurbished available。

3. Typical Specifications（English）

• Manufacturer Part No.: JANCD-MM0244（MM02-44）

• Memory Type: UV-EPROM（requires UV light for erasure）

• Dimensions: ~110 × 80 × 15 mm

• Weight: ~18 g

• Operating Temp: 0°C to +40°C

• Power: From controller backplane（no external supply）

4. Market Aliases（without numbers）

• JANCD-MM series：Memory Board、EPROM Module、System Memory Card、CNC/Robot Memory PCB

5. Compatibility & Notes

• Variant of: JANCD-MM02（-44 = firmware/config variant）

• Replaces: MM01A / MM01B / MM01C（different memory tech）

• Not compatible: DX100/DX200/YRC1000；use JANCD-MMM series instea