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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.


HD67422-E4R - CANopen to Modbus RTU Slave converter, IP67 metal housing, Mini-Fit® connectors
2 year warranty -25 % 3-4 days
Brand: ADF Web Model: HD67422-E4R
Industrial CANopen to Modbus RTU (RS485) slave converter, metal housing resistant to vibration and shock with triple 4kV isolation between CANopen/Modbus RTU Slave, CANopen/power supply and Modbus RTU Slave/power supply, IP67The HD67422-E4R is a rugged industria..
1,586.25 zł 2,115.00 zł
INBACDAL0640500 - DALI to BACnet IP Gateway for 64 Devices, 1 Channel
3 year warranty -10 % 5-7 days
Brand: Intesis Model: INBACDAL0640500
DALI to BACnet IP Gateway for 64 Devices, 1 Channel. The INBACDAL0640500 gateway by Intesis enables full bidirectional integration between DALI lighting control systems and BACnet/IP networks. Designed for industrial and building automation applications, it ..
1,903.50 zł 2,115.00 zł
NP5000-2T-8DI(3IN1)-RJ-P - Serial Port Server with 2 100M Ethernet ports and 8 serial ports (RS-232/485/422) and SSH
6 year warranty 5-10 days
Brand: 3onedata Model: NP5000-2T-8DI(3IN1)-RJ-P
Industrial Serial Port Connecting Server with 2 100M Ethernet ports and 8 serial ports 3IN1 (RS-232/485/422) RJ45 and SSH security functionNP5000 series are the safe serial networking server that can make serial device be equipped with networking capability instantly an..
2,119.70 zł
PROFI-5024 CR PROFI-5024 CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: PROFI-5024 CR
PROFIBUS Remote I/O Module with 4 Analog Voltage & Current Outputs. The PROFI-5024 is one of the PROFIBUS DP series products produced by ICP DAS. It provides the PROFIBUS DP communication protocol with any DP-Masters. The PROFI-5024 provides ±4kV ESD protection cont..
2,129.10 zł
ECAN-240 CR ECAN-240 CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: ECAN-240 CR
Modbus TCP to 2-port CAN Bus Converter.The ECAN-240 module is a Modbus TCP to 2-port CAN Bus Gateway. As its functionality, that provides communications via the Ethernet based on the Modbus TCP industrial protocol, meaning that the module can be easily integrated with a..
2,133.80 zł
HRT-310 CR HRT-310 CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: HRT-310 CR
Industrial Modbus RTU/ASCII to HART Converter. The HRT-710 / HRT-310 Gateway is specially designed for the master device of HART protocol. It allows the Modbus master to access the HART devices. These HART devices may be a transmitter, an actuator and so forth. In addit..
2,133.80 zł
Modbus RTU master to MQTT converter, 1x RS-232, SuperSeal, mounting brackets, PCB resin coating
2 year warranty -25 % 3-4 days
Brand: ADF Web Model: HD674-A036-2-E7R
Industrial Modbus master to MQTT converter, E-type housing (robust and rugged), RS232 port, SuperSeal 1.5 connector, 4KV triple insulation, encapsulation resin coatingThe HD674-A036-2 allows the integration of a Modbus network into the IoT world based on the MQTT ne..
1,624.67 zł 2,166.23 zł
Modbus RTU master to MQTT converter, 1x RS-485, SuperSeal, mounting brackets, PCB resin coating
2 year warranty -25 % 3-4 days
Brand: ADF Web Model: HD674-A036-4-E7R
Industrial Modbus master to MQTT converter, E-type housing (robust and rugged), RS485 port, SuperSeal 1.5 connector, 4KV triple insulation, encapsulation resin coatingThe HD674-A036-4 allows the integration of a Modbus network into the IoT world based on the MQTT ne..
1,624.67 zł 2,166.23 zł
BACnet IP Master to MQTT Broker converter with LTE eSIM and VPN HD67C08-IP-G43-E-VPN-B2
2 year warranty -25 % 3-4 days
Brand: ADF Web Model: HD67C08-IP-G43-E-VPN-B2
Industrial BACnet IP Master to MQTT Broker converter with LTE, eSIM and VPNThe HD67C08-IP-G43-E-VPN-B2 is an advanced industrial converter designed for secure and reliable integration of BACnet IP automation systems with modern MQTT-based IoT platforms. The ..
1,625.03 zł 2,166.70 zł
HD67405-E7R
2 year warranty -25 % 3-4 days
Brand: ADF Web Model: HD67405-E7R
Industrial isolated CAN Repeater, line extender, with filter data configurable. Metal housing resistant to vibration and shock with triple 4kV isolation between CAN ports and CAN/power supply, Connectors SuperSeal 1.5, IP67. Particularly suitable for installation in car..
1,625.03 zł 2,166.70 zł
HD67411-E7R – CAN to Modbus Master converter, IP67, metal housing, SuperSeal 1.5 connectors
2 year warranty -25 % 3-4 days
Brand: ADF Web Model: HD67411-E7R
Industrial CAN to Modbus Master converter, metal housing resistant to vibration and shock with triple 4kV isolation between CAN/Modbus Master, CAN/power supply and Modbus Master/power supply, Connectors SuperSeal 1.5, IP67.Particularly suitable for installation..
1,625.03 zł 2,166.70 zł
HD67412-E7R - CAN to Modbus Slave converter, IP67 protection, SuperSeal 1.5 connectors, metal housing
2 year warranty -25 % 3-4 days
Brand: ADF Web Model: HD67412-E7R
Industrial CAN to Modbus Slave converter, metal housing resistant to vibration and shock with triple 4kV isolation between CAN/Modbus Slave, CAN/power supply and Modbus Slave/power supply, Connectors SuperSeal 1.5, IP67.Particularly suitable for installation in ..
1,625.03 zł 2,166.70 zł
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