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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.


HD67911-A1 – PROFIBUS to HART converter, DPV0, up to 15 HART devices, DIN rail mount, slim housing (A)
2 year warranty 3-4 days
Brand: ADF Web Model: HD67911-A1
Industrial PROFIBUS to HART converter, PROFIBUS DP DPV0 support, housing type A (slim), DIN rail mount The HD67911-A1 is a robust and compact converter designed to integrate HART field devices such as transmitters, sensors, and actuators into PROFIBUS DP netw..
2,063.30 zł
HD67912-A1
2 year warranty 3-4 days
Brand: ADF Web Model: HD67912-A1
Industrial PROFINET slave to HART master converter, housing type A (slim), DIN rail mount. The HD67912-A1 are PROFINET to HART converters. They allow to monitor HART devices (like Sensors, etc..) with a PROFINET net (like a SIEMENS PLC, Supervisory System etc..). On the..
2,063.30 zł
HD67940-B2 - CANopen to MQTT converter with TLS/SSL, up to 1 Mbps, Ethernet 10/100 RJ45, DIN rail type B, housing type B
2 year warranty 3-4 days
Brand: ADF Web Model: HD67940-B2
Industrial CANopen to MQTT converter, TLS/SSL, up to 1 Mbps, Ethernet 10/100 RJ45, housing type B (wide), DIN rail mount, -40°C to +85°C, 8–24 VAC / 12–35 VDC.The HD67940-B2 gateway is designed to provide reliable and efficient integration between CANopen field ..
2,063.30 zł
HD67946-B2
2 year warranty 3-4 days
Brand: ADF Web Model: HD67946-B2
Industrial J1939 to MQTT converter, housing type B (wide), DIN rail mount. HD67946-B2 allows to publish and get the data from/to a J1939 network into/from a MQTT Server. These gateways allow a fast and easy access to the IoT world and they are compatible with IoT Server..
2,063.30 zł
HD67948-2-B2
2 year warranty 3-4 days
Brand: ADF Web Model: HD67948-2-B2
Industrial NMEA0183 to MQTT converter, housing type B (wide), DIN rail mount. HD67948-2-B2 allow to publish and get the data from/to a NMEA0183 network into/from a MQTT Server. These gates allow quick and easy access to the IoT world and are compatible with IQT servers ..
2,063.30 zł
HD67948-5-B2
2 year warranty 3-4 days
Brand: ADF Web Model: HD67948-5-B2
Industrial NMEA0183 to MQTT converter, housing type B (wide), DIN rail mount. HD67948-5-B2 allow to publish and get the data from/to a NMEA0183 network into/from a MQTT Server. These gates allow quick and easy access to the IoT world and are compatible with IQT servers ..
2,063.30 zł
HD67951 - PROFIBUS DP Slave to MQTT converter with TLS/SSL encryption, housing type B, 6 Mbps, DIN rail mount, D-Sub 9 and RJ45 ports
2 year warranty 3-4 days
Brand: ADF Web Model: HD67951-B2
Industrial PROFIBUS Slave to MQTT converter, PROFIBUS DP DPV0 support, housing type B (wide), DIN rail mount.The HD67951-B2 is a high-performance industrial protocol converter designed to enable seamless data exchange between a PROFIBUS DP Master (such as Siemen..
2,063.30 zł
HD67B12-B2
2 year warranty 3-4 days
Brand: ADF Web Model: HD67B12-B2
Industrial OPC UA client to CAN - converter, housing type B, DIN rail mount. HD67B12-B2 is an OPC UA client to CAN converter and it allows you to read/write the data from one or more OPC UA Servers using CAN devices (like PC etc).​ The OPC UA communication can be encryp..
2,063.30 zł
HD67B13-B2
2 year warranty 3-4 days
Brand: ADF Web Model: HD67B13-B2
Industrial OPC UA client to CANopen - converter, housing type B, DIN rail mount. HD67B13 is an OPC UA client to CANopen converter and it allows you to read/write the data from one or more OPC UA Servers using CANopen devices (like PC etc).​ The OPC UA communication can ..
2,063.30 zł
HD67B15-B2
2 year warranty 3-4 days
Brand: ADF Web Model: HD67B15-B2
Industrial OPC UA client to DMX - converter, housing type B, DIN rail mount. The HD67B15 is an OPC UA client to DMX converter and it allows you to read/write the data from a DMX net using one or more OPC UA servers. The OPC UA communication can be encrypted, ensuring a ..
2,063.30 zł
HD67B33-B2
2 year warranty 3-4 days
Brand: ADF Web Model: HD67B33-B2
Industrial OPC UA server to CAN - converter, housing type B, DIN rail mount. HD67B33 is an OPC UA server to CAN converter and it allows you to read/write the data from one or more CAN devices (like display, encoder, weight scales etc) using one or more OPC UA Clients.​ ..
2,063.30 zł
HD67B34-B2
2 year warranty 3-4 days
Brand: ADF Web Model: HD67B34-B2
Industrial OPC UA server to CANopen - converter, housing type B, DIN rail mount. HD67B34 is an OPC UA server to CANopen converter and it allows you to read/write the data from one or more CANopen devices (like display, encoder, weight scales etc) using one or more OPC U..
2,063.30 zł
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