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METZ CONNECT MSTP

METZ CONNECT is a German manufacturer of industrial connectivity and automation components, with a product portfolio that includes building automation controllers, I/O modules, and communication interfaces. The MS/TP (Master-Slave/Token-Passing) module series, branded under the C-Logline family, is designed for BACnet MS/TP networks commonly used in building management systems (BMS) for HVAC, lighting, and access control. These modules serve as remote I/O expansion units for Metz Connect controllers, enabling distributed monitoring and control of field devices such as sensors, actuators, and relays. The modules are housed in compact enclosures suitable for DIN rail mounting, a standard in industrial control panels, and operate on 24V AC/DC power, which is typical for building automation environments. Input and output configurations vary across SKUs: digital inputs (4, 6, or 10 channels), digital outputs (4 channels), relay outputs (2 channels), and analog outputs (4 channels). This modular approach allows engineers to select the exact I/O count and type needed for a given zone or subsystem, reducing wiring complexity and panel space. The BACnet MS/TP protocol ensures interoperability with other BACnet-compliant devices, controllers, and supervisory software, making these modules suitable for both new installations and retrofits. 3G Electric stocks 11 SKUs of METZ CONNECT MS/TP modules, each with a distinct manufacturer part number (e.g., 110881131970, 1108821370) and corresponding datasheets. The company provides logistics support for global shipments, including Singapore-based warehousing and order fulfillment. For procurement specialists and plant engineers, these modules offer a standardized, field-proven method to extend I/O capacity in BACnet networks without requiring proprietary gateways or custom programming. The DIN rail form factor simplifies installation and maintenance, while the 24V AC/DC power supply aligns with common building power infrastructure. No additional certifications or partnerships are claimed beyond what is evident from the product specifications and the manufacturer's known market presence.

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About METZ CONNECT MSTP

METZ CONNECT is a German manufacturer of industrial connectivity and automation components, with a product portfolio that includes building automation controllers, I/O modules, and communication interfaces. The MS/TP (Master-Slave/Token-Passing) module series, branded under the C-Logline family, is designed for BACnet MS/TP networks commonly used in building management systems (BMS) for HVAC, lighting, and access control. These modules serve as remote I/O expansion units for Metz Connect controllers, enabling distributed monitoring and control of field devices such as sensors, actuators, and relays. The modules are housed in compact enclosures suitable for DIN rail mounting, a standard in industrial control panels, and operate on 24V AC/DC power, which is typical for building automation environments. Input and output configurations vary across SKUs: digital inputs (4, 6, or 10 channels), digital outputs (4 channels), relay outputs (2 channels), and analog outputs (4 channels). This modular approach allows engineers to select the exact I/O count and type needed for a given zone or subsystem, reducing wiring complexity and panel space. The BACnet MS/TP protocol ensures interoperability with other BACnet-compliant devices, controllers, and supervisory software, making these modules suitable for both new installations and retrofits. 3G Electric stocks 11 SKUs of METZ CONNECT MS/TP modules, each with a distinct manufacturer part number (e.g., 110881131970, 1108821370) and corresponding datasheets. The company provides logistics support for global shipments, including Singapore-based warehousing and order fulfillment. For procurement specialists and plant engineers, these modules offer a standardized, field-proven method to extend I/O capacity in BACnet networks without requiring proprietary gateways or custom programming. The DIN rail form factor simplifies installation and maintenance, while the 24V AC/DC power supply aligns with common building power infrastructure. No additional certifications or partnerships are claimed beyond what is evident from the product specifications and the manufacturer's known market presence.

Common Applications

  • Building HVAC zone control — METZ CONNECT MS/TP module with digital inputs and relay outputs for fan coil unit monitoring and valve actuation.
  • Lighting control system — METZ CONNECT MS/TP module with digital outputs to switch lighting contactors in a commercial building.
  • Energy management — METZ CONNECT MS/TP module with analog outputs to regulate variable frequency drives on pumps or fans.
  • Retrofit of legacy BMS — METZ CONNECT MS/TP module with digital inputs to interface existing sensors with a new BACnet network.
  • Industrial process monitoring — METZ CONNECT MS/TP module with 10 digital inputs for status feedback from conveyor systems or safety interlocks.
  • Access control integration — METZ CONNECT MS/TP module with relay outputs to control door locks or turnstiles in a BACnet-based security system.

Frequently asked questions

Common questions about METZ CONNECT MSTP from 3G Electric.

What is the power requirement for METZ CONNECT MS/TP modules?

All METZ CONNECT MS/TP modules in the C-Logline series require 24V AC/DC power. This dual-voltage capability allows them to be powered from either an AC transformer or a DC power supply, which is standard in building automation panels. The power input is typically connected via screw terminals on the module.

Can METZ CONNECT MS/TP modules be mounted on a DIN rail?

Yes, all METZ CONNECT MS/TP modules are designed for DIN rail mounting. The enclosure clips onto standard 35mm DIN rails (EN 60715), which are common in industrial control cabinets. This mounting method simplifies installation and allows for easy addition or replacement of modules within a panel.

What types of I/O are available on METZ CONNECT MS/TP modules?

The METZ CONNECT MS/TP module series offers several I/O configurations: digital inputs (4, 6, or 10 channels), digital outputs (4 channels), relay outputs (2 channels), and analog outputs (4 channels). Each SKU has a fixed I/O combination, so you can select the module that matches your specific field device requirements.

Which communication protocol do METZ CONNECT MS/TP modules use?

These modules use BACnet MS/TP (Master-Slave/Token-Passing) protocol, which is a standard for building automation and control networks. BACnet MS/TP operates over RS-485 wiring and is widely used for communication between controllers, sensors, and actuators in HVAC, lighting, and other building systems.

Are METZ CONNECT MS/TP modules compatible with other BACnet controllers?

Yes, because they use the BACnet MS/TP protocol, these modules are interoperable with any BACnet MS/TP master controller that supports the same protocol version. They can be integrated into systems from other BACnet-compliant manufacturers, provided the network configuration (baud rate, device instance, etc.) is properly set.

What is the typical application for a METZ CONNECT MS/TP module with analog outputs?

Modules with analog outputs (e.g., SKU 824TU1 with 4 analog outputs) are used to control variable-speed drives, valve actuators, or damper actuators that require a 0-10V or 4-20mA signal. They are common in HVAC systems for modulating airflow, water flow, or temperature setpoints.