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Building Management System BMS - building automation

Building Management System BMS – Comprehensive Solutions for Automation and Integration

A Building Management System (BMS) is a centralized platform that enables intelligent monitoring and control of building infrastructure, such as HVAC, lighting, access, and energy. To ensure smooth data exchange and automation across different technologies, a BMS requires specialized converters, communication modules, and industrial networking equipment. At CONSTEEL, we offer a full range of industrial-grade solutions to support efficient, reliable, and scalable BMS deployments.

M-Bus Converters – Integrating Energy and Water Meters

M-Bus to Modbus converters enable BMS platforms to retrieve real-time readings from thermal, electric, gas, and water meters. They are essential for accurate energy monitoring, cost allocation, and integration with building analytics systems.

DALI Converters – Smart Lighting Management

DALI converters support the integration of lighting systems into the BMS architecture. They offer advanced control over individual luminaires, groups, and scenes. These devices help reduce energy costs and enhance occupant comfort through automation.

BACnet, Modbus, KNX Converters – Multi-Protocol Communication

Our protocol converters bridge communication between BACnet IP, Modbus RTU/TCP, and KNX systems. They are key components for linking HVAC units, lighting controls, fire systems, and access control into a unified BMS dashboard.

AC Communication Modules – BMS Control for Air Conditioning

Specialized communication modules allow direct integration of split units and VRF/VRV air conditioners (Daikin, LG, Mitsubishi, etc.) into BMS networks. These devices enable centralized temperature, mode, and schedule control across all zones.

I/O Modules – Digital and Analog Signal Handling

Input/output modules expand the control capabilities of your BMS. They collect signals from sensors and switches, and control actuators, fans, relays, or dampers. Ideal for HVAC, alarm, shading, and access control systems.

Industrial Switches – Reliable Ethernet Networks

Our industrial-grade Ethernet switches are designed for high-performance BMS networks. They feature wide temperature ranges, redundant power supply, VLAN, QoS, and ring redundancy support – ensuring network stability in harsh environments.

Serial Device Servers – Integration of RS232/RS485 Devices

Serial servers allow legacy devices with RS232 or RS485 interfaces to communicate over IP-based BMS platforms. Perfect for extending the life and connectivity of meters, controllers, and older field devices.

Fiber Media Converters – Long-Distance Communication

Fiber media converters provide reliable data transmission over long distances and ensure electromagnetic interference resistance. Crucial in large buildings, campuses, and industrial areas where wired Ethernet cannot reach.

Frequently Asked Questions (FAQ)

What is a Building Management System?
A BMS is an integrated platform that enables the automated control and monitoring of building systems, such as HVAC, lighting, and power distribution, improving comfort, energy efficiency, and operational safety.

Why are protocol converters necessary in BMS?
They ensure compatibility between devices using different communication standards. This enables centralized control and expands integration across building technologies from various manufacturers.

Which devices can be integrated into a BMS?
HVAC units, lighting systems, power meters, access control, fire alarms, and other building subsystems – using converters, I/O modules, and network equipment.

Is BMS suitable for industrial environments?
Yes – with our robust industrial solutions such as Ethernet switches and serial servers, BMS platforms can operate reliably even in harsh industrial conditions.

Explore our full product offering to build a powerful and future-proof Building Management System. Our team is ready to assist you with technical support and custom-tailored solutions.


GW-7553-M CR GW-7553-M CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: GW-7553-M CR
Industrial PROFIBUS to Modbus TCP Converter with Metal Casing. The GW-7553 Gateway is specially designed for the slave device of PROFIBUS DP protocol. It allows the PROFIBUS master to access the Modbus TCP devices. These Modbus devices may be a PLC, a sensor, the ICPDAS I-8KE4-MTCP module and so forth. In addition, the GW-7553 module built-in web server, the user can set the module by web browser. By using this module, users can put their Modbus ..
2,636.70 zł
INSTCMBG0040000 – BACnet/Modbus to ST Cloud Gateway, 4 Devices
3 year warranty Quantity discount 5-7 days
Brand: Intesis Model: INSTCMBG0040000
INSTCMBG0040000 – BACnet IP & MS/TP Client or Modbus TCP & RTU Master to ST Cloud – 4 Devices.  The INSTCMBG0040000 gateway enables seamless cloud-based integration of BACnet or Modbus devices with ST Cloud Control. It allows remote monitoring and control of up to 4 field devices via cloud web dashboards and mobile apps. Depending on the application, the gateway can operate in three modes: BACnet IP Client, BACnet MS/TP Master, ..
2,674.30 zł
HD67082-B2-169MHz-40
2 year warranty Quantity discount 3-4 days
Brand: ADF Web Model: HD67082-B2-169MHz-40
Industrial MBus Wireless to Modbus RTU slave converter. Support up to 40 MBus slaves and 32 MBus Wireless slaves, wM-Bus @ 169Mhz, S1&T1 supported, housing type B (wide), DIN rail mount. HD67082-B2-169MHz-40 allow to monitor some MBus Wireless meters (like Engelmann, Amber-Wireless, Maddalena, Siemens, exc. meters) with a Modbus net (like a PLC, a PC exc).New converter functionality - automatic scan of MBus receiversThere is no longer need to..
2,683.70 zł
HD67082-B2-433MHz-40
2 year warranty Quantity discount 3-4 days
Brand: ADF Web Model: HD67082-B2-433MHz-40
Industrial MBus Wireless to Modbus RTU Slave Converter, housing type B (wide), DIN rail mount. Support up to 40 MBus slaves and 32 MBus wireless slaves, wMBus @ 433MHz, S1&T1 supoprted. The HD67082-B2-433MHz-40 is a MBus Wireless to Modbus RTU Slave Converter and allows you to monitor some MBus Wireless meters (like Engelmann, Amber-Wireless, Maddalena, Siemens, exc. meters) with a Modbus net (like a PLC, a PC). Converter is easy to install a..
2,683.70 zł
HD67082-B2-868MHz-40
2 year warranty Quantity discount 3-4 days
Brand: ADF Web Model: HD67082-B2-868MHz-40
MBus wireless to Modbus RTU slave converter. Support up to 40 MBus slaves, up to 32 M-Bus wireless slaves, wMBus @ 868MHz, S1&T1 supoprted, housing type B (wide), DIN rail mount. The HD67082-B2-868MHz-40 is a protocol converter between MBus Wireless and Modbus Slave, which communicates on Modbus network using RTU. This kind of configuration allows to monitor MBus Wireless meters with Modbus Master device such as PLC, PC or HMI.New converter f..
2,683.70 zł
HD67419-E7V HD67419-E7V
2 year warranty Quantity discount 3-4 days
Brand: ADF Web Model: HD67419-E7V
Industrial CAN to Ethernet IP converter, metal housing resistant to vibration and shock with triple 4kV isolation between CAN/EthernetIP, CAN/power supply and EthernetIP/power supply, IP67 Particularly suitable for installation in cars, trucks, trains, boats, in the industrial sector and in fragile environments.Two versions, one with a coating of the PCB (suffix code V) that ensures total protection to the dust (IP65) and another encapsulation-ba..
2,683.70 zł
HD67426-E7V – Industrial CANopen to PROFIBUS DP Master Converter with 4kV Isolation, IP65, metal housing
2 year warranty Quantity discount 3-4 days
Brand: ADF Web Model: HD67426-E7V
Industrial CANopen to PROFIBUS master converter, PROFIBUS DP DPV0 support, metal housing resistant to vibration and shock with triple 4kV isolation between CANopen/PROFIBUS, CANopen/power supply and PROFIBUS/power supply, SuperSeal 1.5 Connectors, IP65  The HD67426-E7V is a rugged and compact converter designed to connect CANopen networks with PROFIBUS DP Master systems. Built for demanding industrial and vehicular environments, this de..
2,683.70 zł
HD67428-E7V
2 year warranty Quantity discount 3-4 days
Brand: ADF Web Model: HD67428-E7V
Industrial PROFINET to CANopen converter, metal housing resistant to vibration and shock with triple 4kV isolation between PROFINET/CANopen, PROFINET/power supply and CANopen/power supply, SuperSeal 1.5 Connectors, IP65Particularly suitable for installation in cars, trucks, trains, boats, in the industrial sector and in fragile environments.Two versions, one with a coating of the PCB (suffix code V) that ensures total protection to the dust (IP65..
2,683.70 zł
HD67429-E7V
2 year warranty Quantity discount 3-4 days
Brand: ADF Web Model: HD67429-E7V
Industrial CANopen to Ethernet IP converter, metal housing resistant to vibration and shock with triple 4kV isolation between CANopen/EthernetIP, CANopen/power supply and EthernetIP/power supply, SuperSeal 1.5 Connectors, IP65Particularly suitable for installation in cars, trucks, trains, boats, in the industrial sector and in fragile environments.Two versions, one with a coating of the PCB (suffix code V) that ensures total protection to the dus..
2,683.70 zł
HD67435-E4R HD67435-E4R
2 year warranty Quantity discount 3-4 days
Brand: ADF Web Model: HD67435-E4R
Industrial J1939 to Ethernet converter, metal housing resistant to vibration and shock with triple 4kV isolation between J1939/Ethernet, J1939/power supply and Ethernet/power supply. Particularly suitable for installation in cars, trucks, trains, boats, in the industrial sector and in fragile environments.Two versions, one with a coating of the PCB (suffix code V) that ensures total protection to the dust (IP65) and another encapsulation-based re..
2,683.70 zł
HD67051-B2-80
2 year warranty Quantity discount 3-4 days
Brand: ADF Web Model: HD67051-B2-80
Industrial MBus Master to CANopen Converter, Master MBus up to 80 slaves, housing type B (wide), DIN rail mount. HD67051-B2-80 allow to monitor some MBus meters (like Engelmann, Amber-Wireless, Maddalena, Siemens, exc. meters) with a CANopen net (like a PLC exc). Converter is easy to install and configure thanks to free software SW67051.New converter functionality - automatic scan of MBus receiversThere is no longer need to consult the manufactur..
2,735.40 zł
HD67053-B2-80 - MBus to PROFIBUS converter, 80 meters
2 year warranty Quantity discount 3-4 days
Brand: ADF Web Model: HD67053-B2-80
Industrial MBus to PROFIBUS converter, master MBus up to 80 slaves, PROFIBUS DP DPV0 support, housing type B (wide), DIN rail mount. HD67053-B2-80 allow to monitor some MBus meters (like Engelmann, Amber-Wireless, Maddalena, Siemens) with a PROFIBUS net (like an SIEMENES PLC). Converter is easy to install and configure thanks to free SW67053 software.New converter functionality - automatic scan of MBus receiversThere is no longer need to consult ..
2,735.40 zł
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