Our advantage
Global Logistics
We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
Brand new and original
Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
24-hour service
We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
| Company Information | |||
| [email protected] | |||
| Mobile | +8615980777398 | ||
| +8615980777398 | |||
| 15980777398 |

The ABB MT-91-ARC FP A is an operator panel from the MT91 Series, used to provide local operator access to industrial equipment and control functions. It serves as the interface between personnel and the associated automation system, allowing operating information and control commands to be handled directly at the equipment location.
In a machine or process control cabinet, the operator panel can be used for functions such as equipment status monitoring, command entry, alarm acknowledgement, and routine operating adjustments. This arrangement is useful when operators need direct access to the controlled equipment without working from the main controller or electrical cabinet.
The panel can also support maintenance and commissioning activities by giving technicians a local point for observing equipment states and carrying out configured operating commands. Its actual display and control functions depend on the application and the control system with which it is integrated.
For replacement applications, the MT-91-ARC FP A model should be checked against the existing panel, wiring arrangement, communication configuration, and control-system application before installation.
| Parameter | Specification |
|---|---|
| Product Brand | ABB |
| Product Series | MT91 Series |
| Model | MT-91-ARC FP A |
| Product Type | Operator Panel |
| Application | Industrial Operator Interface |
| Dimensions | 285 × 55 × 150 mm |
| Weight | 1.2 kg |
The MT-91-ARC FP A acts as the operator-facing layer of the control system. Operator actions are processed through the panel and passed to the associated controller or control equipment, while operating states and available system information are returned to the panel.
Operator → MT-91-ARC FP A → Control System → I/O → Field Equipment
The operating sequence typically involves:
The panel does not replace the underlying control logic. Interlocks, sequencing, equipment protection, and automatic control functions remain dependent on the associated control system.
The MT-91-ARC FP A forms the local operator-interface layer of an industrial automation system.
Operator → MT-91-ARC FP A → PLC / Controller → I/O System → Machine / Process Equipment
| System Element | Function |
|---|---|
| Operator | Enters commands and monitors equipment conditions |
| MT-91-ARC FP A | Provides local operator interaction |
| PLC / Controller | Processes control logic and operator commands |
| I/O System | Connects the controller with field signals |
| Sensors | Provide equipment and process feedback |
| Relays / Contactors | Execute electrical switching functions |
| Actuators | Carry out control commands |
| Machine / Process Equipment | Performs the controlled operation |
| Application | Typical Use |
|---|---|
| Machine Control | Local machine operation and status monitoring |
| Production Equipment | Operator access to automated production machinery |
| Motor-Driven Systems | Local monitoring and configured control commands |
| Pump Stations | Equipment status and local operating functions |
| Conveyor Systems | Local operation and fault-response activities |
| Packaging Machinery | Operator interaction with automated machinery |
| Process Equipment | Local process monitoring and control |
| Utility Systems | Local supervision of auxiliary equipment |
| Maintenance Stations | Commissioning, testing, and service operations |
If the panel powers up but does not communicate with the controller, inspect the communication connection and configuration first. If the panel communicates correctly but individual operating functions are unavailable, the application configuration and controller-side logic should also be checked.
| Component | Function |
|---|---|
| ABB PLC / Controller | Executes the main machine or process control logic |
| ABB I/O Modules | Interfaces field signals with the controller |
| ABB Communication Modules | Supports communication between control-system devices |
| Control Cabinet | Houses the automation and electrical control equipment |
| Industrial Communication Network | Transfers operator and control data |
| Pushbuttons | Provides supplementary local control functions |
| Selector Switches | Selects operating modes or equipment states |
| Signal Lamps | Provides basic equipment status indication |
| Sensors | Supplies process and machine feedback |
| Contactors / Relays | Performs electrical switching functions |
| Model / Series | Product Type | Typical Application |
|---|---|---|
| ABB MT91 Series | Operator Panel | Industrial machine and process operation |
| ABB MT Series | Operator Panel | Local industrial equipment interface |
| ABB CP600 Series | Control Panel / HMI | Machine and process visualization |
| ABB CP610 | Control Panel | Compact machine operator interface |
| ABB CP620 | Control Panel | Industrial automation applications |
| ABB CP635 | Control Panel | Machine and process visualization |
| ABB CP660 | Control Panel | Advanced industrial HMI applications |
The MT-91-ARC FP A functions as a local operator interface for industrial equipment. It allows personnel to access configured monitoring and control functions while the associated PLC or controller remains responsible for the underlying control logic.
The applicable control-system connection depends on the original installation and application configuration. Before replacement, the existing controller, communication arrangement, wiring, and configured operator functions should be checked rather than assuming compatibility from the panel model alone.
Yes. A local operator panel can be useful during commissioning, troubleshooting, testing, and routine maintenance because technicians can observe equipment conditions and operate configured functions directly at the machine.
First check communication with the associated controller, followed by wiring, configuration, controller status, and the application logic governing the requested command. If communication is normal but a particular command has no effect, the relevant PLC logic, interlocks, and equipment permissives should also be inspected.