ABB MD21 M10x Operator Panel
01Product Identification
ABB MD21 is the operator panel for M101-M, M101-P, M102-M, and M102-P motor control and protection units. It provides local monitoring, control, navigation, and parameterization through control buttons, navigation buttons, LED indicators, an LCD, and a mini-USB parameterization port.
Match the complete model, ratings, ordered variant, installed system, connections, and protection requirements before ordering.
02Key Features
- Local user interface for ABB M10x motor controllers.
- LCD presentation combined with LED status indicators.
- Dedicated control buttons and navigation buttons.
- Mini-USB connection supports parameterization activities.
- Can be mounted on the module front or on the cabinet door.
- Works with documented TA201, TA202, or TA204 RJ11 connection cables.
03Engineering Data
| Manufacturer | ABB |
|---|---|
| Model | MD21 |
| Order Code | 1TNA920500R0002 |
| Product Type | Operator panel |
| Compatible Controllers | M101-M, M101-P, M102-M, and M102-P |
| Display | LCD |
| Status Indication | LED indicators |
| User Controls | Control and navigation buttons |
| Parameterization Interface | Mini-USB port |
| Installation Location | Module front or cabinet door |
| Controller Connection | MDx connection cable |
| Documented Cable Options | TA201 1.2 m, TA202 2.5 m, TA204 0.2 m |
04System Integration
Integration Checklist
- Verify the exact MD21 order code 1TNA920500R0002 when sourcing the panel.
- Use a documented MDx cable length that suits the module-front or door-mounting arrangement.
- MD21 supports M101-M, M101-P, M102-M, and M102-P controllers.
- MD31 is a different operator-panel variant with LED indicators only; display requirements must be checked before substitution.
Verified Identity
Model: MD21
Type: M10x Operator Panel
Manufacturer: ABB
05Applications
- Local monitoring and operation of M10x motor-control feeders.
- Cabinet-door access to controller status and parameters.
- Commissioning and maintenance of compatible M101 and M102 units.
- Replacement of a damaged MD21 while retaining the installed M10x controller.
06Lifecycle
- Record the panel order code, controller model, cable type, cable length, and mounting position before replacement.
- Do not assume MD31 is functionally identical because ABB documents it as an LED-only panel.
- Inspect the MDx cable and connectors when an MD21 has intermittent communication or display operation.
- De-energize the applicable control circuits and follow ABB wiring and installation instructions.
- After replacement, verify display, LED indications, buttons, navigation, local control permissions, and parameter access.
FAQFrequently Asked Questions
What is ABB MD21?
It is an operator panel for compatible ABB M10x motor control and protection units.
Which controllers are compatible?
ABB lists M101-M, M101-P, M102-M, and M102-P.
Does MD21 include a display?
Yes. MD21 provides an LCD as well as LED indicators.
How is parameterization accessed?
The operator panel includes a mini-USB port for parameterization.
Where can MD21 be installed?
ABB documents mounting on the module front or on the cabinet door.
Is MD31 the same as MD21?
No. MD21 includes LED indicators and an LCD, while ABB describes MD31 as an LED-only operator panel.
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