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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.


PROFI-5017 CR PROFI-5017 CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: PROFI-5017 CR
PROFIBUS Remote I/O Industrial Module with 8 Isolated Analog Voltage Inputs. The PROFI-5017 is specially designed for the slave device of PROFIBUS DP protocol. It supports up to 8-channel isolated analog voltage input with 2500Vrms field to logic isolation. Users can easily to choose and configure it by using the GSD file in any PROFIBUS Configurator.Features:Support for PROFIBUS DP-V0 protocolDetect transmission rate automatically (Max. 12Mbps)A..
2 039,80 zł
PROFI-5017C CR PROFI-5017C CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: PROFI-5017C CR
PROFIBUS Remote I/O Module with 8 Analog Current Inputs. The PROFI-5017C is specially designed for the slave device of PROFIBUS DP protocol. It supports up to 8-channel isolated analog current input with 2500Vrms field to logic isolation. Users can easily to choose and configure it by using the GSD file in any PROFIBUS Configurator.Features:PROFIBUS DP-V0 protocolAutomatic transmission rate detection (Max. 12Mbps)Address 0~126 set by rotary switc..
2 039,80 zł
GW-7238D CR GW-7238D CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: GW-7238D CR
Industrial J1939 to Modbus TCP server to RTU Slave Converter. The GW-7238D is a gateway that provides conversion between J1939 and Modbus TCP/RTU protocol. For J1939 network, the GW-7238D supports PDU1, PDU2, broadcast and destination specific type of J1939 messages. For Modbus TCP/RTU network, the GW-7238D is a Modbus TCP server / RTU slave to reply the request from Modbus TCP client / RTU master. Utility software is provided for users to config..
2 044,50 zł
PROFI-5018/S CR PROFI-5018/S CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: PROFI-5018/S CR
PROFIBUS Remote I/O Industrial Module with 10 Thermocouple Inputs and DB-1820 daughter board. The PROFI-5018 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-5018 provides ±4kV ESD protection contacting for all terminals (include I/O Terminals and PROFIBUS connector). By applying the PROFI-5018, users can easily establish a PROFIBUS DP network with oth..
2 049,20 zł
Modbus RTU master to MQTT converter, 1x RS-232, Mini-Fit, mounting brackets, PCB resin coating
2 year warranty Quantity discount 3-4 days
Brand: ADF Web Model: HD674-A036-2-E4R
Industrial Modbus master to MQTT converter, E-type housing (robust and rugged), RS232 port, Mini-Fit connector, 4KV triple insulation, encapsulation resin coating The HD674-A036-2 allows the integration of a Modbus network into the IoT world based on the MQTT network. It also allows data read from Modbus slaves to be published to an MQTT server. This gateway allows quick and easy access to the IoT world and is compatible with IoT servers th..
2 062,83 zł
Modbus RTU master to MQTT converter, 1x RS-485, Mini-Fit, mounting brackets, PCB resin coating
2 year warranty Quantity discount 3-4 days
Brand: ADF Web Model: HD674-A036-4-E4R
Industrial Modbus master to MQTT converter, E-type housing (robust and rugged), RS485 port, Mini-Fit connector, 4KV triple insulation, encapsulation resin coating The HD674-A036-4 allows the integration of a Modbus network into the IoT world based on the MQTT network. It also allows data read from Modbus slaves to be published to an MQTT server. This gateway allows quick and easy access to the IoT world and is compatible with IoT servers th..
2 062,83 zł
HD67031-B2-80
2 year warranty Quantity discount 3-4 days
Brand: ADF Web Model: HD67031-B2-80
Industrial MBus meters analyzer, scanner & sniffer, master MBus up to 80 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, sending strings and changing the meter settings, such as changing the primary/secondary ID address, changing the transmission speed, etc. (for more information, refer to the instruction..
2 063,30 zł
HD67051-B2-40
2 year warranty Quantity discount 3-4 days
Brand: ADF Web Model: HD67051-B2-40
Industrial MBus Master to CANopen Converter, Master MBus up to 40 slaves, housing type B (wide), DIN rail mount. HD67051-B2-40 allow to monitor some MBus meters (like Engelmann, Amber-Wireless, Maddalena, Siemens, exc. meters) with a CANopen net (like a PLC exc). Converter is easy to install and configure thanks to free software SW67051. New converter functionality - automatic scan of MBus receiversThere is no longer need to consult the manufa..
2 063,30 zł
HD67053-B2-40 - MBus to PROFIBUS converter, 40 meters HD67053-B2-40 - MBus to PROFIBUS converter, 40 meters
2 year warranty Quantity discount 3-4 days
Brand: ADF Web Model: HD67053-B2-40
Industrial MBus to PROFIBUS converter, master MBus up to 40 slaves, PROFIBUS DP DPV0 support, housing type B (wide), DIN rail mount. HD67053-B2-40 allow to monitor some MBus meters (like Engelmann, Amber-Wireless, Maddalena, Siemens) with a PROFIBUS net (like an SIEMENES PLC). Converter is easy to install and configure thanks to free SW67053 software.New converter functionality - automatic scan of MBus receiversThere is no longer need to consult ..
2 063,30 zł
HD67056-B2-40 HD67056-B2-40
2 year warranty Quantity discount 3-4 days
Brand: ADF Web Model: HD67056-B2-40
Industrial MBus to BACnet Ethernet IP converter with up to 40 MBus slaves, housing type B (wide), DIN rail mount. The converter for communication with meters uses the MBus, Ethernet connector is used for BACnet IP communication. The HD67056-B2-40 converter can read up to 40 MBus receivers of any type (eg water meters, gas meters, energy meters).New converter functionality - automatic scan of MBus receiversThere is no longer need to consult the ma..
2 063,30 zł
HD67056-MSTP-40
2 year warranty Quantity discount 3-4 days
Brand: ADF Web Model: HD67056-MSTP-40
Industrial MBus to BACnet MS/TP converter with RS-485 interface with up to 40 MBus slaves. The converter for communication with meters uses the MBus, RS-485 connector is used for BACnet MS/TP communication. The HD67056-MSTP-40 converter can read up to 40 MBus receivers of any type (eg water meters, gas meters, energy meters).New converter functionality - automatic scan of MBus receiversThere is no longer need to consult the manufacturer or analyz..
2 063,30 zł
HD67063-232-B2-80
2 year warranty Quantity discount 3-4 days
Brand: ADF Web Model: HD67063-232-B2-80
MBus Multi-Master on Modbus RTU - Converter (Multi-Master MBus: up to 80 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 of Modbus lineDefine which Modbus register contain the MBus informationUpdate the deviceCharacteristics:Electrical isolation between RS232C and MBusBaud Rate and Parity changeable w..
2 063,30 zł
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