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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-7250A CR PET-7250A CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: PET-7250A CR
Ethernet PoE I/O Module with 2 Ethernet PoE Ports, 12-channel Digital Input, 6-channel Digital Output. The ET-7000/ET-7200 series provides full networking capabilities, and a variety of I/O functions, together with web based Ethernet I/O monitoring and control modules, meaning that the modules can be remotely controlled using the Modbus TCP/UDP protocol via an Ethernet network. This ensures that the ET-7000/ET-7200 series provides integration wit..
1 348,90 zł
PET-7267 CR PET-7267 CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: PET-7267 CR
Ethernet PoE I/O Module with 2 Ethernet PoE Ports and 8-ch Relay. The ET-7067/PET-7067/ET-7267/PET-7267 provides 8 form A electromechanical relays. It features optical isolation for 3000 VDC of transient overvoltage protection and doesn’t have channel-to-channel isolation. The power-on value and safe value of relay are programmable. It can safely be used in applications where hazardous voltages are present.Features:Built-in Web ServerWeb HMISuppo..
1 348,90 zł
PROFI-5045 CR PROFI-5045 CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: PROFI-5045 CR
PROFIBUS Remote I/O Module with 24 Isolated Digital Outputs. The PROFI-5045 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-5045 provides ±4KV ESD protection contacting for all terminals (include I/O Terminals and PROFIBUS connector). By applying the PROFI-5045, users can easily establish a PROFIBUS DP network with other DP-Masters. In advance, it can..
1 348,90 zł
M-7017R-A5 CR M-7017R-A5 CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: M-7017R-A5 CR
8-channel Analog Input Module using the DCON and Modbus Protocols. The I-7017R is an 8-channel analog input module with an extremely high quality protection mechanism where the overvoltage protection is 240 Vrms. The input type includes both voltage and current. The I-7017R is an upgraded version of the I-7017, with the only difference being that the I-7017R is much more suitable for critically harsh environments. The sampling rate of the I-7017R..
1 358,30 zł
M-7018R CR M-7018R CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: M-7018R CR
8-channel Analog Input Module using the DCON and Modbus Protocols with High Voltage Protection. The I-7018/M-7018 is an 8-channel Analog Input module that provides current and voltage input, as well as thermocouple input. The I-7018R/M-7018R is an upgraded version of the I-7018/M-7018 that includes an extremely high-quality protection mechanism where the overvoltage protection can be as high as 240 Vrms. The I-7018R/M-7018R is more suitable for c..
1 358,30 zł
HI-AW-KNX-1 (INKNXHIT001A000) HI-AW-KNX-1 (INKNXHIT001A000)
3 year warranty Quantity discount 5-7 days
Brand: Intesis Model: HI-AW-KNX-1
Hitachi Air-to-Water to KNX Interface. IntesisBox INKNXHIT001A000 HI-AW-KNX-1 allows fully bidirectional monitoring and control of the Hitachi Air-to-Water systems from KNX installations. The interface is compatible with all the models of the Yutaki line commercialised by Hitachi.The gateway is wired directly to an indoor unit. This allows not only the control of the main AC functions such as operating mode, fan speed, temperature setpoint…but th..
1 363,00 zł
I-7522AD CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-7522AD CR
Programmable Intelligent Communication Controller with LED Display. 1x 5-wire RS-232 or 2-wire RS-485 port, 1 RS-422 port and 1 RS-485 port.Onboard 1 KB Queue bufferThe I-752N series module is equipped with a 1 KB queue buffer for its local RS-232 device. All input data can be stored in the queue buffer until the Host PC has time to read it. This feature allows the Host PC to link thousands of RS-232 devices without any loss of data.3000V isolati..
1 363,00 zł
I-7565-DNM CR I-7565-DNM CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-7565-DNM CR
Industrial USB to DeviceNet Master Converter. I-7565-DNM can represent an economic solution of DeviceNet application and be a DeviceNet master device on the DeviceNet network. It is a "Predefined Master-Slave connection Set". I-7565-DNM supports Group 2 only Server and UCMM functions to communication with slave devices. It has an independent CAN bus communication port and has the ability to cover a wide range of DeviceNet applications.I-7565-DNM ..
1 363,00 zł
IN485DAI001A000 - BACnet MS/TP and Modbus RTU gateway, DIP switch configuration, DIN assembly IN485DAI001A000 - BACnet MS/TP and Modbus RTU gateway, DIP switch configuration, DIN assembly
3 year warranty Quantity discount 5-7 days
Brand: Intesis Model: IN485DAI001A000
IN485DAI001A000 – communication gateway for Daikin Altherma 3 heat pumps with BACnet MS/TP and Modbus RTU interface, DIN rail or wall mount, DIP switch configuration. The IN485DAI001A000 by Intesis is an industrial communication gateway that allows seamless integration of Daikin Altherma 3 air-to-water heat pumps into building management systems based on BACnet MS/TP or Modbus RTU. It acts as a SUB interface that exchanges data with the ..
1 363,00 zł
IN485MIT001A000 - BACnet MS/TP and Modbus RTU gateway for Mitsubishi Ecodan, DIP configuration, bus power supply, DIN mounting IN485MIT001A000 - BACnet MS/TP and Modbus RTU gateway for Mitsubishi Ecodan, DIP configuration, bus power supply, DIN mounting
3 year warranty Quantity discount 5-7 days
Brand: Intesis Model: IN485MIT001A000
IN485MIT001A000 – industrial communication gateway for Mitsubishi Electric Ecodan heat pumps, supporting BACnet MS/TP and Modbus RTU protocols, DIP switch configuration, DIN rail or wall mount. The IN485MIT001A000 from Intesis enables the integration of Mitsubishi Electric Ecodan air-to-water heat pumps into building management systems using BACnet MS/TP or Modbus RTU. It acts as a gateway that communicates with the Ecodan outdoor unit t..
1 363,00 zł
PA-AW-MBS-1 (INMBSPAN001A000) PA-AW-MBS-1 (INMBSPAN001A000)
3 year warranty Quantity discount 5-7 days
Brand: Intesis Model: PA-AW-MBS-1
Panasonic Air-to-Water to Modbus Interface. IntesisBox PA-AW-MBS-1 (INMBSPAN001A000) allows monitoring and control, fully bi-directionally, functioning parameters of PANASONIC Aquarea Air-to Water systems into Modbus RTU (RS-485) networks.The PA-AW-MBS-1 (INMBSPAN001A000) gateway is wired directly to an indoor unit. This allows not only the control of the main AC functions such as operating mode, fan speed, temperature setpoint but the monitoring..
1 363,00 zł
PA-AW2-KNX-1 (INKNXPAN001A000) PA-AW2-KNX-1 (INKNXPAN001A000)
3 year warranty Quantity discount 5-7 days
Brand: Intesis Model: PA-AW2-KNX-1
Panasonic Air to Water to KNX Interface. IntesisBox PA-AW2-KNX-1 (INKNXPAN001A000) (or PAW-AW-KNX-H as per Panasonic reference) allows fully bi-directional communication with PANASONIC Aquarea H Air to Water systems from KNX installations.The PA-AW2-KNX-1 (INKNXPAN001A000) gateway is wired directly to an indoor unit. This allows not only the control of the main AC functions such as operating mode, fan speed, temperature setpoint…but the monitorin..
1 363,00 zł
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