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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.


HD67F36-B2-915MHz - LoRaWAN 915MHz gateway to MQTT, uplink/downlink, DIN rail, 12–35V DC, isolation, housing type B
2 year warranty 3-4 days
Brand: ADF Web Model: HD67F36-B2-915MHz
Industrial gateway LoRaWAN to MQTT, housing type B (wide), DIN rail mounting, antenna protocol LoRaWAN 915MHz. The HD67F36-B2 is an industrial-grade LoRaWAN gateway to MQTT converter designed for seamless two-way integration between LoRaWAN networks and MQT..
2 063,30 zł
Industrial MBus repeater for 160 meters - HD67032-B2-160 Industrial MBus repeater for 160 meters - HD67032-B2-160
2 year warranty 3-4 days
Brand: ADF Web Model: HD67032-B2-160
Industrial MBus repeater & isolator, master MBus up to 160 slaves, housing type B (wide), DIN rail mount. HD67032-B2-160 allows to Isolate and Extend a MBus Line, ensuring galvanic isolation between the various MBus branches. HD67032 is a configurable device with Lo..
2 063,30 zł
Mbus to 485 converter, max 160 meters - HD67022-B2-160 Mbus to 485 converter, max 160 meters - HD67022-B2-160
2 year warranty 3-4 days
Brand: ADF Web Model: HD67022-B2-160
Industrial MBus to RS485 converter, master MBus up to 160 slaves, housing type B (wide), DIN rail mount. This series allows to read/write MBus Slaves by RS-485, ensuring galvanic isolation between MBus and RS-485. HD67022 is a configurable device with logic inside and i..
2 063,30 zł
MBus to RS232 gateway, max 160 meters - HD67021-B2-160 MBus to RS232 gateway, max 160 meters - HD67021-B2-160
2 year warranty 3-4 days
Brand: ADF Web Model: HD67021-B2-160
Industrial MBus to RS232 converter, master Mbus up to 160 slaves, housing type B (wide), DIN rail mount. This series allows to read/write MBus Slaves by RS-232, ensuring galvanic isolation between MBus and RS-232. HD67021 is a configurable device with logic inside and i..
2 063,30 zł
ET-7019Z/S2 CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: ET-7019Z/S2 CR
Industrial Ethernet I/O Module with 1 Ethernet Port, 10-ch universal Analog Inputs and 6 Digital Outputs. The ET-7019Z/PET-7019Z/ET-7219Z/PET-7219Z is specifically designed for extremely accurate thermocouple measurement and features automatic coldjunction compensation ..
2 086,80 zł
PET-7019Z/S CR PET-7019Z/S CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: PET-7019Z/S CR
Industrial Ethernet I/O Module with 1 Ethernet PoE Port, 10-ch universal Analog Inputs and 6 Digital Outputs. The ET-7019Z/PET-7019Z/ET-7219Z/PET-7219Z is specifically designed for extremely accurate thermocouple measurement and features automatic coldjunction compensat..
2 086,80 zł
Industrial PROFIBUS to PROFINET Gateway for DIN Rail IGW3300-2T-DB-P(24VDC)
6 year warranty 5-10 days
Brand: 3onedata Model: IGW3300-2T-DB-P(24VDC)
IGW3300-2T-DB-P(24VDC) – high-performance industrial PROFIBUS to PROFINET gatewayIGW3300-2T-DB-P(24VDC) is a compact and easy-to-deploy industrial PROFIBUS DP to PROFINET IO communication gateway, designed to integrate existing PROFIBUS installations with..
2 110,30 zł
ET-7204 CR ET-7204 CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: ET-7204 CR
Industrial Ethernet I/O Module with 2 Ethernet Ports, with 4 Analog Inputs, 4 Analog Outputs and 4 Digital Inputs. The ET-7204/PET-7204 is a multi-function module with 4-channel analog inputs, 4-channel analog outputs, 4-channel digital inputs. It provides various progr..
2 115,00 zł
HD67405-E4R
2 year warranty 3-4 days
Brand: ADF Web Model: HD67405-E4R
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, IP67. Particularly suitable for installation in cars, trucks, trains, boats, ..
2 115,00 zł
HD67411-E4R - CAN to Modbus Master converter, IP67, Mini-Fit connectors, metal housing
2 year warranty 3-4 days
Brand: ADF Web Model: HD67411-E4R
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, IP67.HD67411-E4R is an advanced gateway designed to connect CAN bus ne..
2 115,00 zł
HD67412-E4R – CAN to Modbus Slave converter, IP67, Mini-Fit connectors, metal housing
2 year warranty 3-4 days
Brand: ADF Web Model: HD67412-E4R
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, IP67.The HD67412-E4R has been specifically designed for applications wher..
2 115,00 zł
HD67421-E4R - CANopen to Modbus RTU Master converter IP67, metal housing, Mini-Fit
2 year warranty 3-4 days
Brand: ADF Web Model: HD67421-E4R
Industrial CANopen to Modbus RTU (RS485) master converter, metal housing resistant to vibration and shock with triple 4kV isolation between CANopen/Modbus RTU Master, CANopen/power supply and Modbus RTU Master/power supply, IP67Particularly suitable for installa..
2 115,00 zł
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