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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.


PET-7226 CR PET-7226 CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: PET-7226 CR
Ethernet I/O Module with 2 Ethernet PoE Ports, 6 Analog Inputs, 2 Analog Outputs, 2 Digital Inputs and 2 Digital Outputs. The ET-7026/PET-7026/ET-7226/PET-7226 is a multi-function module with 6-channel analog inputs, 2-channel analog outputs, 2-channel digital inputs an..
1,786.00 zł
WISE-7526M CR WISE-7526M CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: WISE-7526M CR
MQTT PoE I/O Module with 6 Analog Inputs, 2 Analog Outputs, 2 Digital Inputs, 2 Digital Outputs and 2-port Ethernet Switch. WISE-7526M is a multi-function module with 6-channel analog inputs, 2-channel analog outputs, 2-channel digital inputs and 2-channel digital outpu..
1,786.00 zł
Industrial Modbus TCP to EtherNet/IP Gateway for DIN Rail IGW3500-4T-RJ-P(24VDC)
6 year warranty 5-10 days
Brand: 3onedata Model: IGW3500-4T-RJ-P(24VDC)
IGW3500-4T-RJ-P(24VDC) – industrial Modbus TCP to EtherNet/IP gatewayIGW3500-4T-RJ-P(24VDC) is an industrial Modbus TCP to EtherNet/IP communication gateway designed for direct integration of Modbus TCP devices and networks into EtherNet/IP-based automati..
1,800.10 zł
Industrial Modbus TCP to PROFINET IO Gateway IGW3200-4T-RJ-P(24VDC)
6 year warranty 5-10 days
Brand: 3onedata Model: IGW3200-4T-RJ-P(24VDC)
IGW3200-4T-RJ-P(24VDC) – industrial Modbus TCP to PROFINET IO gateway.IGW3200-4T-RJ-P(24VDC) is a compact industrial Modbus TCP to PROFINET IO communication gateway, designed to integrate Modbus TCP devices and networks into PROFINET-based automation sys..
1,800.10 zł
BASRT-B - BACnet Multi-Network Router
3 year warranty 5-10 days
Brand: Contemporary Controls Model: BASRT-B
BASRT-B is an industrial BACnet Multi-Network Router with 1 Ethernet port and 1 MS/TP port. The BAS Router BASRT-B provides stand-alone routing between BACnet networks such as BACnet/IP, BACnet Ethernet, and BACnet MS/TP-thereby allowing the system integrator to mix BAC..
1,804.80 zł
HD67029-B2-485-80 - MBus to modbus RTU converter, 80 meters HD67029-B2-485-80 - MBus to modbus RTU converter, 80 meters
Shipping 24h Test for Free! 2 year warranty
Brand: ADF Web Model: HD67029-B2-485-80
Industrial MBus to Modbus RTU converter, master MBus up to 80 slaves, modbus slave Port: RS485. The converter for communication with meters uses the MBus, RS-485 connector is used for Modbus RTU communication. The HD67029M-485-80 converter can read up to 80 MBus receive..
1,804.80 zł
HD67031-B2-40
2 year warranty 3-4 days
Brand: ADF Web Model: HD67031-B2-40
Industrial MBus meters analyzer, scanner & sniffer, master MBus up to 40 slaves, housing type B (wide), DIN rail mount. Devices from the series MBus analyzers, scanners allows, among others, on the diagnosis of MBus devices, eavesdropping on bus communication, sendi..
1,804.80 zł
HD67043-A1
2 year warranty 3-4 days
Brand: ADF Web Model: HD67043-A1
Industrial Ethernet to DeviceNet slave converter, housing type A (slim), DIN rail mount. HD67043-A1 allows you to connect an Ethernet net with a DeviceNet Master network (for example an Allen-Bradley PLC, etc.) in order to exchange the informations between the networks...
1,804.80 zł
HD67043-B2
2 year warranty 3-4 days
Brand: ADF Web Model: HD67043-B2
Industrial Ethernet to DeviceNet slave converter, housing type B, DIN rail mount. HD67043-B2 allows you to connect an Ethernet net with a DeviceNet Master network (for example an Allen-Bradley PLC, etc.) in order to exchange the informations between the networks. Conver..
1,804.80 zł
HD67051-B2-20
2 year warranty 3-4 days
Brand: ADF Web Model: HD67051-B2-20
Industrial MBus Master to CANopen Converter, Master MBus up to 20 slaves, housing type B (wide), DIN rail mount. HD67051-B2-20 allow to monitor some MBus meters (like Engelmann, Amber-Wireless, Maddalena, Siemens, exc. meters) with a CANopen net (like a PLC exc). Conver..
1,804.80 zł
HD67058-B2-20
2 year warranty 3-4 days
Brand: ADF Web Model: HD67058-B2-20
Industrial MBus Master to DeviceNet Converter, Master MBus up to 20 slaves, housing type B (wide), DIN rail mount. HD67058-B2-20 allow to monitor some MBus meters (like Engelmann, Amber-Wireless, Maddalena, Siemens, exc. meters) with a DeviceNet net (like an Allen-Bradl..
1,804.80 zł
HD67063-232-B2-40
2 year warranty 3-4 days
Brand: ADF Web Model: HD67063-232-B2-40
MBus Multi-Master on Modbus RTU - Converter (Multi-Master MBus: up to 40 slaves - Modbus Slave Port: RS-232), housing type B (wide), DIN rail mount. Configuration:Thanks to the SW67063 software on your PC you can:Define the parameters of MBus lineDefine the parameters o..
1,804.80 zł
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