📋
Overview
The MDI retains the Hour Meter value in its own memory. If a replacement inverter is required, it is possible to transfer the hour count from the 1st inverter into the 2nd. This ensures there is no loss of the Hour Meter record for a particular machine.
Equipment Needed
Digital Console for MDI configuration and hour meter transfer
System
AC-3 Inverter with MDI (Motor Drive Interface)
Time Required
Approximately 5-10 minutes for complete transfer
🖥️
Interactive Console Simulator 🖥️
Ready to begin Hour Meter transfer...
📝 Step-by-Step Procedure
1
Preparation:
Disconnect the MDI and connect a Digital Console.
2
Access Configuration Menu:
From the Opening Menu, press Top Left
and Top Right
buttons simultaneously to go into the CONFIGURATION Menu.
3
Navigate to Adjustments:
Scroll to . Press Enter, then scroll using the top left button until Display shows LOAD HM FROM MDI – OFF.
4
Enable Load Function:
Press the Top Right
button once to change OFF to .
5
Confirmation:
Display asks ARE YOU SURE ?. If you are, press Enter.
6
Return to Menu:
Display shows . Press Out.
7
Complete Transfer:
Open Key switch, disconnect the Console, and re-connect the MDI. Close the Key switch. The replacement Inverter will now receive and retain the Hour meter value of the previous Inverter.
🔄 Process Flowchart
Step 1:
Disconnect MDI → Connect Digital Console
Step 2:
Press Top Left + Top Right → Enter Configuration Menu
Step 3:
Scroll to "LOAD HM FROM MDI – OFF"
Step 4:
Press Top Right → Change to "ON"
Step 5:
Confirm with Enter
Step 6:
Exit with Out button
Step 7:
Reconnect MDI → Hour meter transferred! ✓
Important:
Ensure the Key switch is in the Open position before disconnecting or connecting any components. This prevents potential damage to the electronic systems.
Success Indicator:
After completing the procedure and reconnecting the MDI, the replacement inverter will display the previous hour meter value, confirming a successful transfer.
Memory Retention
The MDI stores hour meter data independently, allowing seamless transfer between inverters
Transfer Process
One-time configuration change enables the new inverter to read from MDI memory
Data Integrity
No loss of maintenance records or operational history during inverter replacement