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Wago 750-643 MP-Bus master module
WAGO 750-643 MP-Bus master module for WAGO I/O System 750 enabling integration of Belimo MP-Bus actuators and sensors into PLC automation systems.
£238.68
Why Choose the WAGO 750-643 MP-Bus Master Module?
The WAGO 750-643 is a specialised MP-Bus master communication module designed for integration within the WAGO I/O System 750. It enables PLC and controller systems to connect directly to MP-Bus devices such as HVAC actuators and sensors used in building automation and environmental control systems.
The module acts as the master for the Belimo MP-Bus (Multi-Point Bus), allowing MP-Bus networks to be integrated into higher-level automation systems such as Ethernet-based or fieldbus control platforms. This allows centralised monitoring and control of HVAC components including dampers, valve actuators and variable air volume (VAV) systems. :contentReference
A single MP-Bus line can connect multiple actuators and sensors, significantly reducing wiring complexity while maintaining reliable communication between field devices and the control system.
Key Advantages
- Integrated MP-Bus master interface for HVAC automation.
- Connects Belimo MP-Bus actuators and sensors directly to PLC systems.
- Supports up to 8 MP-Bus slave devices on one bus line.
- Allows connection of one sensor per actuator.
- Reduces wiring complexity in building automation installations.
- Compact DIN rail module for WAGO I/O System 750.
Key Features
- MP-Bus master communication module.
- Supports Belimo MP-Bus protocol.
- Controls and monitors up to 8 MP-Bus slaves.
- Supports actuator sensors such as temperature, humidity and switching signals.
- Provides connection to higher-level control systems via the WAGO fieldbus controller.
- Parameterisation possible using Belimo handheld or PC configuration tools.
- Compact DIN rail installation with CAGE CLAMP® spring terminals.
MP-Bus Communication in Building Automation
The MP-Bus protocol is widely used in HVAC and building automation systems to connect actuators, sensors and controllers on a single communication line. Using a master-slave architecture, devices such as damper actuators, valve regulators and ventilation controllers can communicate with a central control system.
The WAGO 750-643 module enables these MP-Bus devices to be integrated directly into distributed PLC architectures, allowing building automation systems to be managed alongside industrial control processes within a single control platform. :contentReference
Typical Applications
- HVAC control systems in commercial buildings.
- Integration of Belimo MP-Bus actuators.
- Variable air volume (VAV) control systems.
- Automated ventilation and damper control.
- Building energy management and environmental monitoring.
Technical Specifications
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| Device Type | Communication / Function Module | |
|---|---|---|
| Product Series | WAGO I/O System 750 | |
| Voltage | 24 V | |
| IP Rating | IP20 | |
| Series | I/O System 750 | |
| Module type | MP-Bus master communication module | |
| Bus protocol | Belimo MP-Bus (PP/MP specification) | |
| Maximum slaves | 8 MP-Bus devices | |
| Sensor support | 1 sensor per actuator | |
| MP-Bus supply voltage | 24 V DC | |
| System supply voltage | 5 V DC via internal system bus | |
| Current consumption | approx. 25 mA (MP-Bus) | |
| Isolation | approx. 500 V between MP-Bus and system bus | |
| Connection technology | WAGO CAGE CLAMP® | |
| Mounting | DIN-35 rail | |
| Protection rating | IP20 | |
| Operating temperature | 0 to 55 °C | |
| Module width | approx. 12 mm | |
| HS Code | 85389099 | |
| Country of Manufacture | Germany |
Frequently Asked Questions
What is the WAGO 750-643 used for?
The module acts as an MP-Bus master that connects Belimo actuators and sensors to a WAGO PLC or automation system.
How many MP-Bus devices can be connected?
The module can manage up to 8 MP-Bus slave devices on a single bus network.
What types of devices connect to the MP-Bus?
Typical devices include damper actuators, valve actuators and VAV controllers used in HVAC systems.
Does the module support sensors?
Yes. Each actuator connected via MP-Bus can also provide access to a connected sensor such as temperature or humidity.
Which systems support this module?
The module integrates with WAGO I/O System 750 fieldbus couplers and programmable controllers.
Trusted by Building Automation Engineers
WAGO I/O System 750 modules are widely used in industrial and building automation projects to integrate HVAC devices, sensors and control systems within scalable PLC architectures.
