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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.


HD67182-A4 - J1939 and NMEA 2000 repeater
2 year warranty 3-4 days
Brand: ADF Web Model: HD67182-A4
Industrial J1939 and NMEA 2000 repeater, housing type: A, DIN rail mount. Mni-Fit Connectors, Galvanic Isolation: 3KV Characteristics:Electrical isolation of two branches of a CAN Line (ISO 11898-1)Allows extension of a line segment without lowering the Baud rateInterco..
925,90 zł
HD67182M - J1939 and NMEA 2000 repeater
2 year warranty 3-4 days
Brand: ADF Web Model: HD67182M
Industrial J1939 and NMEA 2000 repeater, housing type: small size, DIN rail mount. Characteristics:Electrical isolation of two branches of a CAN Line (ISO 11898-1)Allows extension of a line segment without lowering the Baud rateInterconnects two branches of differen..
925,90 zł
HD67182R - Industrial J1939 and NMEA 2000 repeater
2 year warranty 3-4 days
Brand: ADF Web Model: HD67182R
Industrial J1939 and NMEA 2000 repeater, housing type: R, DIN rail mount. Terminal Blocks Connectors, Galvanic Isolation: 3KV Characteristics:Electrical isolation of two branches of a CAN Line (ISO 11898-1)Allows extension of a line segment without lowering the Baud rat..
925,90 zł
ICP222-1T2F-2CI-TB
6 year warranty 5-10 days
Brand: 3onedata Model: ICP222-1T2F-2CI-TB
Industrial 2-port CAN-Bus to 2-port 100Base-FX Ethernet CAN Device Server. ICP222-2F-2CI is an industrial grade CAN-Bus server which supports 2 CAN-Bus ports and 2 Fast Ethernet fiber ports. The optic fiber support SW-Ring ring network patent technology. The user can ea..
925,90 zł
HD67039-B2
Shipping 24h Test for Free! 2 year warranty -40 %
Brand: ADF Web Model: HD67039-B2
Industrial Ethernet to DMX (RS485) converter, housing type B (wide), DIN rail mount. HD67039 is a DMX / Ethernet Converter and it allows you to connect some DMX devices (for example a Light System) with an Ethernet network (for example a PC, Supervisory System) in order..
927,78 zł 1 546,30 zł
HD67938-IP-B2 - BACnet IP Slave to MQTT Converter, DIN rail, TLS/SSL encryption, housing type B HD67938-IP-B2 - BACnet IP Slave to MQTT Converter, DIN rail, TLS/SSL encryption, housing type B
Shipping 24h Test for Free! 2 year warranty -40 %
Brand: ADF Web Model: HD67938-IP-B2
Industrial BACnet IP Slave to MQTT converter, housing type B (wide), DIN rail mount.HD67938-IP-B2 allows to publish and get the data into/from a MQTT Server using a BACnet Master (like PLC, Supervisory System etc.). These gateways allow a fast and easy acces..
927,78 zł 1 546,30 zł
IGW1111-1DI(3IN1)-DB - Industrial Modbus Gateway with 1 serial port RS-232/485/422 and 2 100M Ethernet Ports
6 year warranty 5-10 days
Brand: 3onedata Model: IGW1111-1DI(3IN1)-DB
Industrial Modbus Gateway with 1 serial port RS-232/485/422 and 2 100M Ethernet Ports IGW1111/IGW1112/IGW1114 series are Modbus gateways designed for integrating Modbus RTU/ASCII and Modbus TCP networks; they can achieve the conversion between Modbus RTU/ASCII and Modbu..
929,66 zł
GW1102-2DI(3IN1) - Industrial Modbus RTU / ASCII gateway to Modbus TCP, 2 RS-232/485/422 ports
6 year warranty 5-10 days
Brand: 3onedata Model: GW1102-2DI(3IN1)-DB-P(12-48VDC)
Industrial Modbus RTU / ASCII gateway to Modbus TCP. Communication ports 2 RS-232/485/422 and 1 Ethernet 100MGW1102-2DI(3IN1)-DB-P(12-48VDC) is Modbus gateway designed for integrating Modbus RTU/ASCII and Modbus TCP networks; they can achieve the conversion between Modb..
930,60 zł
ECAT-2060 CR ECAT-2060 CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: ECAT-2060 CR
EtherCAT Slave I/O Module with Isolated 6-ch Digital Inputs and 6-ch Digital Outputs. The ECAT-2000 is equipped with the EtherCAT protocol and installed by daisy chain connection which permits the flexibility in devices installation and reduces infrastructure and operat..
935,30 zł
FR-2057TW CR FR-2057TW CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: FR-2057TW CR
Isolated 16-channel sink output FRNET Module. The FR-2053TA has 16-channel isolated Sink/Source input, while the FR-2057TW has 16-channel isolated sink output. The FR-2000 I/O module has an FRnet interface. The users can daisy chain several FR-2000 modules together. Via..
935,30 zł
I-7531 CR I-7531 CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-7531 CR
Industrial Two-channel CAN Bus Isolated Repeater. The I-7531 is a CAN repeater used to establish a physical coupling of two or more segments of a CAN bus system. Users can implement tree or star topologies as well as the long drop lines with the I-7531. Users can also i..
940,00 zł
INWFIUNI001I000 - Universal IR Air Conditioner Wi-Fi Interface for AC Cloud Control
3 year warranty 5-7 days
Brand: Intesis Model: INWFIUNI001I000
Universal IR Air Conditioner Wi-Fi Interface for AC Cloud Control. The INWFIUNI001I000 gateway enables control of main air conditioner functions via infrared (IR) commands. Thanks to its built-in IR receiver, it can detect the actual status of the AC unit eve..
940,00 zł
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