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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.


HD67175-232-422-A1 - Modbus RTU slave to SNMP manager converter, up to 2000 bytes, DIN rail mounting, enclosure type A
2 year warranty 3-4 days
Brand: ADF Web Model: HD67175-232-422-A1
HD67175-232-422-A1 – Industrial Modbus RTU Slave to SNMP Manager Converter, Housing Type A, DIN Rail MountThe HD67175-232-422-A1 is a compact industrial protocol converter designed to connect Modbus RTU slave devices to SNMP manager networks. This DIN-rail mountab..
1,546.30 zł
HD67175-232-485-A1 - Modbus RTU slave to SNMP manager converter, 2000 bytes, DIN assembly, enclosure type A
2 year warranty 3-4 days
Brand: ADF Web Model: HD67175-232-485-A1
HD67175-232-485-A1 – Industrial Modbus RTU Slave to SNMP Manager Converter, Housing Type A, DIN Rail Mount. The HD67175-232-485-A1 is a compact and robust protocol converter designed to enable bi-directional communication between Modbus RTU slave devices and ..
1,546.30 zł
HD67175-232-485-B2 - Modbus RTU slave to SNMP manager converter, support for 2000 bytes, DIN assembly, triple insulation, enclosure type B
2 year warranty 3-4 days
Brand: ADF Web Model: HD67175-232-485-B2
Industrial Modbus RTU slave to SNMP manager converter, housing type B, DIN rail mount. The HD67175-232-485-B2 converter enables seamless and secure communication between a Modbus RTU master device (such as a PLC or SCADA system) and a SNMP manager network. ..
1,546.30 zł
HD67175-232-A1 - Modbus RTU slave to SNMP manager converter with 3x4kV isolation, 2000 bytes, DIN rail mounting
2 year warranty 3-4 days
Brand: ADF Web Model: HD67175-232-A1
HD67175-232-A1 Industrial Modbus RTU slave to SNMP manager converter, housing type A (slim), DIN rail mount.The HD67175-232-A1 is a compact industrial gateway designed to connect a Modbus RTU slave network to a SNMP manager environment, enabling seamless an..
1,546.30 zł
HD67175-232-B2 - Modbus RTU slave to SNMP manager converter, housing B, DIN assembly, 2000 bytes, triple isolation, RS-232
2 year warranty 3-4 days
Brand: ADF Web Model: HD67175-232-B2
Industrial Modbus RTU slave to SNMP manager converter, housing type B, DIN rail mount. The HD67175-232-B2 is a protocol converter designed for seamless integration of industrial Modbus RTU master devices (such as PLCs or SCADA systems) with SNMP-based manag..
1,546.30 zł
HD67175-422-A1 - Modbus RTU slave to SNMP manager converter, slim Type A housing, DIN mount, RS-422
2 year warranty 3-4 days
Brand: ADF Web Model: HD67175-422-A1
Industrial Modbus RTU slave to SNMP manager converter, housing type A (slim), DIN rail mount. The HD67175-422-A1 is a high-performance protocol converter designed to connect Modbus RTU slave devices with SNMP-based monitoring systems. It enables seamless in..
1,546.30 zł
HD67175-485-A1  - Modbus RTU slave RS485 to SNMP manager converter, housing A, DIN munt HD67175-485-A1  - Modbus RTU slave RS485 to SNMP manager converter, housing A, DIN munt
Shipping 24h Test for Free! 2 year warranty
Brand: ADF Web Model: HD67175-485-A1
Industrial Modbus RTU slave (RS485) to SNMP manager converter, housing type A (slim), DIN rail mount. The HD67175-485-A1 converter enables direct and reliable communication between a Modbus RTU master (such as a PLC or SCADA system) and an SNMP manager netw..
1,546.30 zł
HD67175-485-B2 - Modbus RTU slave (RS485) to SNMP manager converter, enclosure type B, DIN mount
2 year warranty 3-4 days
Brand: ADF Web Model: HD67175-485-B2
Industrial Modbus RTU slave (RS485) to SNMP manager converter, housing type B, DIN rail mount. The HD67175-485-B2 converter enables seamless and secure communication between a Modbus RTU master device (such as a PLC or SCADA system) and a SNMP manager netwo..
1,546.30 zł
HD67176-A1 - Modbus TCP slave to SNMP manager converter, enclosure type A, DIN HD67176-A1 - Modbus TCP slave to SNMP manager converter, enclosure type A, DIN
2 year warranty 3-4 days
Brand: ADF Web Model: HD67176-A1
Industrial Modbus TCP slave to SNMP manager converter, housing type A (slim), DIN rail mount.The HD67176-A1 converter enables communication between a Modbus TCP Master network (e.g., PLC, SCADA) and SNMP Slave devices. It allows Modbus systems to actively request ..
1,546.30 zł
HD67316-E-A1
2 year warranty 3-4 days
Brand: ADF Web Model: HD67316-E-A1
Industrial CAN, CANopen, J1939, NMEA2000 & DeviceNet analyzer, PC interface port: Ethernet, housing type A (slim), DIN rail mount. CAN analyzer allows the communication and management of CANbus devices like motors, sensors and many other devices. CAN analyzer includ..
1,546.30 zł
HD674-A001-E4V
2 year warranty 3-4 days
Brand: ADF Web Model: HD674-A001-E4V
Industrial isolated Modbus Master to Ethernet Converter, metal housing resistant to vibration and shock with triple 4kV isolation between Modbus Master/Ethernet, Modbus Master/power supply and Ethernet/power supply. Particularly suitable for installation in cars, trucks..
1,546.30 zł
HD674-A002-E4V - Modbus TCP Slave to Modbus Master converter, metal housing, IP65/IP67, 1x RS485, 1x Ethernet, triple 4kV isolation
2 year warranty 3-4 days
Brand: ADF Web Model: HD674-A002-E4V
Industrial Modbus TCP Slave to Modbus Master Converter, metal housing resistant to vibration and shock with triple 4kV isolation between Modbus TCP Slave/Modbus Master, Modbus TCP/power supply and Modbus Master/power supply.The HD674-A002-E4V is a high-performan..
1,546.30 zł
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