Need help?Do you have a question about the ABB MD21 and is the answer not in the manual?
General| Brand | ABB |
|---|---|
| Model | MD21 |
| Category | Control Unit |
| Language | English |
Details the location and types of terminal blocks and interfaces on the M10x unit.
Lists and describes various pre-configured motor starter control logic types supported by M10x.
Explains overload protection, simulation, and trip curve characteristics.
Describes protection against phase failure, unbalance, underload, and noload conditions.
Covers earth fault detection, PTC sensor protection, start limitation, phase sequence, and undervoltage.
Details failsafe functionality, autorestart, and main switch status supervision for safe operation.
Defines control authority and describes three control access groups: Local, Fieldbus, and MDx.
Explains soft selector switch and local selector switch for assigning control access.
Outlines methods for parameter configuration via MD21, MCUSetup software, and fieldbus.
Provides a comprehensive list of fault conditions, their possible causes, and suggested troubleshooting actions.
To Next Page
