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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.


HD67427-E7V – CANopen to PROFIBUS DPV0 converter, IP65/IP67 metal enclosure, SuperSeal, 4kV isolation
2 year warranty -25 % 3-4 days
Brand: ADF Web Model: HD67427-E7V
Industrial CANopen to PROFIBUS slave converter, PROFIBUS DP DPV0 support, metal housing resistant to vibration and shock with triple 4kV isolation between CANopen/PROFIBUS, CANopen/power supply and PROFIBUS/power supply, SuperSeal 1.5 Connectors, IP65 The HD6..
1,857.68 zł 2,476.90 zł
BNET-5304 CR BNET-5304 CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: BNET-5304 CR
Multi-function BACnet/IP I/O Industrial Module with 6 Analog Inputs, 1 Analog Output, 4 Digital Inputs and 4 Digital Outputs. The BNET-5304 is a multi-function BACnet/IP module with 6 AI channels, 1 AO channel, 4 DI channels and 4 DO channels. The module contains number..
2,481.60 zł
HRT-711 CR HRT-711 CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: HRT-711 CR
Industrial Modbus TCP to HART Converter. The HRT-711 is a new Modbus/TCP to HART Gateway. It allows the Modbus/TCP Master to access the HART Slave devices. These HART devices may be a transmitter, an actuator, a current output device and so forth. By using the HRT-711, ..
2,486.30 zł
INMBSMEB0100000 - M-Bus to Modbus Gateway, 250 points, 10 devices
3 year warranty 5-7 days
Brand: Intesis Model: INMBSMEB0100000
M-Bus to Modbus Gateway for 250 points and 10 devices. The INMBSMEB0100000 is a professional-grade M-Bus to Modbus RTU/TCP gateway developed by Intesis, offering seamless integration of up to 10 M-Bus meters and exposing up to 250 Modbus data points to superv..
2,509.80 zł
GW1118-8DI(RS-485) - Modbus RTU / ASCII gateway to Modbus TCP, 8 serial ports RS-485/422 and 2 Ethernet ports GW1118-8DI(RS-485) - Modbus RTU / ASCII gateway to Modbus TCP, 8 serial ports RS-485/422 and 2 Ethernet ports
Shipping 24h Test for Free! 6 year warranty
Brand: 3onedata Model: GW1118-8DI(RS-485)
Industrial Modbus RTU / ASCII gateway to Modbus TCP. 8 serial ports RS-485/422 and 2 Ethernet ports, wide temperature range, metal housing with IP30 protection. GW1108-8DI(RS-485) is an Ethernet Modbus gateway that converts between Modbus TCP and Modbus RTU/ASCII protoc..
2,514.50 zł
INKNXDAL0640200 - DALI to KNX TP Gateway for 64 Devices
3 year warranty -10 % 5-7 days
Brand: Intesis Model: INKNXDAL0640200
DALI to KNX TP Gateway for 64 Devices. The INKNXDAL0640200 is an industrial-grade DALI to KNX TP gateway that enables seamless bidirectional integration between KNX systems and DALI/DALI-2 lighting networks. With support for up to 64 DALI or DALI-2 drivers an..
2,263.05 zł 2,514.50 zł
BNET-5310 CR BNET-5310 CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: BNET-5310 CR
Multi-function BACnet/IP I/O Industrial Module with 4 Analog Inputs, 2 Analog Outputs, 3 Digital Inputs and 3 Digital Outputs. The BNET-5310 is a multi-function BACnet/IP module with 4 AI channels, 2 AO channel, 3 DI channels and 3 DO channels. The module contains numbe..
2,519.20 zł
HD67423-E4R
2 year warranty -25 % 3-4 days
Brand: ADF Web Model: HD67423-E4R
Industrial CANopen to Ethernet converter, metal housing resistant to vibration and shock with triple 4kV isolation between CANopen/Ethernet, CANopen/power supply and Ethernet/power supply, IP67Particularly suitable for installation in cars, trucks, trains, boats, in the..
1,896.45 zł 2,528.60 zł
HD67424-E4R - CANopen to Modbus TCP Master converter, metal housing, Mini-Fit® connectors
2 year warranty -25 % 3-4 days
Brand: ADF Web Model: HD67424-E4R
Industrial CANopen to Modbus TCP Master converter, metal housing resistant to vibration and shock with triple 4kV isolation between CANopen/Modbus TCP Master, CANopen/power supply and Modbus TCP Master/power supply, IP67The HD67424-E4R is a high-performance conv..
1,896.45 zł 2,528.60 zł
HD67425-E4R - CANopen to Modbus TCP Slave converter, metal housing, Mini-Fit®
2 year warranty -25 % 3-4 days
Brand: ADF Web Model: HD67425-E4R
Industrial CANopen to Modbus TCP Slave converter, metal housing resistant to vibration and shock with triple 4kV isolation between CANopen/Modbus TCP Slave, CANopen/power supply and Modbus TCP Slave/power supply, IP67The HD67425-E4R is an advanced converter desi..
1,896.45 zł 2,528.60 zł
IN790NIB100A000 – NIBE Heat Pump Gateway to KNX and BACnet/IP & MS/TP
New 3 year warranty -10 % 5-7 days
Brand: Intesis Model: IN790NIB100A000
NIBE heat pump gateway to KNX and BACnet/IP & BACnet MS/TP – up to 5 units.The IN790NIB100A000 industrial gateway from Intesis is designed as a universal communication interface for the integration of NIBE ground-source and air-source heat pumps wi..
2,284.20 zł 2,538.00 zł
GW-7662 CR GW-7662 CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: GW-7662 CR
Industrial PROFINET to Modbus RTU/ASCII Converter. The GW-7662 specially designed for PROFINET IO device. It allows PROFINET controller to access Modbus devices. These Modbus devices maybe a PLC, a sensor, ICPDAS M-7000 series modules and so forth. We also provide a uti..
2,566.20 zł
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