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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.


ECAT-2511-A CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: ECAT-2511-A CR
EtherCAT Single-Strand Media Converter, TX 1310 nm, RX 1550 nm, SC connector. The ECAT-2511-A and ECAT-2511-B are EtherCAT to single-mode fiber optic converter. They are designed not only to convert EtherCAT signals to optical signals on a fiber optic cable, to reshape ..
1 649,70 zł
ECAT-2511-B CR ECAT-2511-B CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: ECAT-2511-B CR
EtherCAT Single-Strand Media Converter, TX 1550 nm, RX 1310 nm, SC connector. The ECAT-2511-A and ECAT-2511-B are EtherCAT to single-mode fiber optic converter. They are designed not only to convert EtherCAT signals to optical signals on a fiber optic cable, to reshape ..
1 649,70 zł
ET-7224 CR ET-7224 CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: ET-7224 CR
Ethernet I/O Module with 2 Ethernet Ports, 4 Analog Outputs, 5 Digital Inputs and 5 Digital Outputs. The ET-7024/PET-7024/ET-7224/PET-7224 is a multifunction module includes 4 channels analog output, 5 channels digital input and 5 channels digital output. It provides a ..
1 649,70 zł
HD67029-B2-485-40 - MBus to modbus RTU converter, 40 meters HD67029-B2-485-40 - MBus to modbus RTU converter, 40 meters
2 year warranty 3-4 days
Brand: ADF Web Model: HD67029-B2-485-40
Industrial MBus to Modbus RTU converter, master MBus up to 40 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-485-40 converter can read up to 40 MBus receive..
1 649,70 zł
HD67063-485-B2-20 HD67063-485-B2-20
2 year warranty 3-4 days
Brand: ADF Web Model: HD67063-485-B2-20
MBus Multi-Master on Modbus RTU - Converter (Multi-Master MBus: up to 20 slaves - Modbus Slave Port: RS-485), 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..
1 649,70 zł
HD67076-USB-B2-40
2 year warranty 3-4 days
Brand: ADF Web Model: HD67076-B2-USB-40
MBus Master on Modbus Slave - Converter (Master MBus up to 40 slaves; Modbus Slave Port: USB), housing type B (wide), DIN rail mount. Specifications:Ports: 1x MBus; 1x USBData Rates MBus: Up to 38400 bpsData Rates Modbus: Up to 115200 bpsPower supply: 15...21VAC; 18...3..
1 649,70 zł
HD67930-G43-B2 – Industrial Ethernet to MQTT Converter with LAN, LTE SIM and eSIM
2 year warranty 3-4 days
Brand: ADF Web Model: HD67930-G43-B2
HD67930-G43-B2 Converter – advanced Ethernet to MQTT gateway with LAN, LTE SIM and eSIM connectivity.The HD67930-G43-B2 is an industrial Ethernet to MQTT converter designed for modern IoT and IIoT applications that require reliable data exchange between TCP/UDP..
1 649,70 zł
I-87028CDW CR I-87028CDW CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-87028CDW CR
8-channel 12-bit Channel-to-Channel Isolated Current Output Module with Open-wire Detection. The I-87028CDW is an 8-channel current output module that features 3 kVDC channel-to-channel isolation and also features per-channel open wire detection for +4 to +20 mA outputs..
1 649,70 zł
I-87028CW CR I-87028CW CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-87028CW CR
8-channel 12-bit Channel-to-Channel Isolated Current Output Module with Open-wire Detection. The I-87028CW is an 8-channel current output module that features channel-to- channel isolation and also has qualification for 4 KV ESD protection and 1000 VDC intra-module isol..
1 649,70 zł
PET-7215 CR PET-7215 CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: PET-7215 CR
Ethernet PoE I/O Module with 2 Ethernet PoE Ports and 7-ch RTD Inputs. The ET-7015/PET-7015/ET-7215/PET-7215 is specifically designed for long-distance RTD measurement. It features automatic compensation for three-wire RTD regardless of the length of wires and provides ..
1 659,10 zł
NP3008T-8DI(RS-485) - Industrial Serial Port Server with 8 RS-485/422 ports and 1 Ethernet port
6 year warranty 5-10 days
Brand: 3onedata Model: NP3008T-8DI(RS-485)
Industrial Serial Port Server with 8 RS-485/422 ports and 1 Ethernet port. NP3008T-8DI(RS-485) is a high performance, industrial grade serial to Ethernet server, it can satisfy some kinds of customer requirements in consumption, temperature, volume and handle ability. I..
1 663,80 zł
CAN-2018C CR CAN-2018C CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: CAN-2018C CR
CANopen Slave Module with 8 Thermocouple Inputs. Include CAN-2018C module and a CN-1824 daughter board. CAN-2018C/S module follows the DS-301 version 4.02 and DSP-401 version 2.1. You can access the thermocouple input status and set the configuration by using standard C..
1 673,20 zł
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