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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.


M-7041-A5 CR M-7041-A5 CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: M-7041-A5 CR
14-channel High Voltage Isolated Digital Input Module with DCON and Modbus Protocols.The M-7041(D)-A5 provides 14 channels for high voltage digital input, each of which features photocouple isolation. The input voltage level could be as high as 150V. In addition, either..
643.90 zł
M-7043 CR M-7043 CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: M-7043 CR
16-channel Non-isolated Digital Output Module using the DCON and Modbus Protocols. The I-7043 offers 16 digital output channels, each of which are non-isolated and support sink-type output using an open collector. There are also options to enable both power-on and safe ..
643.90 zł
M-7046 CR M-7046 CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: M-7046 CR
15-channel Isolated Digital Input Module using the DCON or Modbus Protocol. The M-7046 is a 15-channel Digital Input module. Each channel features optoisolation and can be used as a 16-bit counter. In addition, the Digital Input type can be selected as either sink or so..
643.90 zł
M-7052D CR M-7052D CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: M-7052D-G CR
8-channel Isolated Digital Input Module using the DCON and Modbus Protocols with LED display. The I-7052 offers 6 fully independent channels and 2 common ground channels for digital input. The diffential inputs feature channel-to-isolation. In addition, you can choose e..
643.90 zł
M-7053 CR M-7053 CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: M-7053-G CR
16-channel Non-isolated Digital Input Module using the DCON and Modbus Protocols. The I-7053_FG features a long effective distance measurement for dry contact digital input of up to 500 meters. The I-7053_FG supports source-type input. All 16 channels are also able to b..
643.90 zł
M-7067 CR M-7067 CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: M-7067 CR
7-channel Signal Relay Output Module with DCON and Modbus Protocols. The 7061 series provides 12 power relay output channels and the 7067 series provides 7 signal relay output channels. There are options for configuring power-on and safe values. 4 kV ESD protection and ..
643.90 zł
FR-2053T CR FR-2053T CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: FR-2053T CR
Isolated 16-channel Digital Input FRNET Module with 20-pin Screw Terminal Connector. The FR-2053/2053T/2053HT has 16-channel isolated photo coupler input, while the FR-2057/2057T/2057HT has 16-channel isolated photo-coupler output. The default signal connector of FR-205..
653.30 zł
HD67181 - isolated CAN 2.0A and 2.0B bus line extender, CAN bus repeater HD67181 - isolated CAN 2.0A and 2.0B bus line extender, CAN bus repeater
2 year warranty -25 % 3-4 days
Brand: ADF Web Model: HD67181
Industrial isolated CAN 2.0A and 2.0B bus line extender, CAN bus repeater, housing type A (slim), DIN rail mount. Characteristics:Resolves your extension line problemsIdeal for galvanized isolationDifferent transmission speed settings possible (in different branches)Mou..
655.65 zł 874.20 zł
M-7065 CR M-7065 CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: M-7065 CR
4-channel Isolated Digital Input and 5-channel Relay Output Module using DCON and Modbus Protocols. The I-7063 module provides 8 digital input channels and 3 Form A relay output channels, and the 7065 series provides 4 digital input channels and 5 Form A relay output ch..
653.30 zł
MOD-16I-M MOD-16I-M
2-3 days
Brand: Aspar Model: MOD-16I-M
Industrial expansion module with FRAM memory, 16 digital inputs to Modbus RTU, with RS485 interface. Features:INPUT: 16 digital inputs with memoryOUTPUT: RS485 - Modbus Slave (ASCII, RTU)FRAM - non-volatile random-access memoryMounting on a DIN rail16 configurable 32-bi..
653.30 zł
tPET-P2POR2 CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: tPET-P2POR2 CR
Tiny Ethernet module with PoE, 2 Digital Inputs (Dry Contact) and 2 Form A PhotoMos relay. Providing various digital I/O functions, the tET/tPET series is an IP-based Ethernet I/O monitoring and control module. The module can be remotely controlled through a 10/100 M Et..
653.30 zł
IMC100-1GT1GS
6 year warranty 5-10 days
Brand: 3onedata Model: IMC100-1GT1GS
Industrial media converter, Ethernet to fiber, DIN rail mount, working temperature -40°C to 75°C. 5 years manufacturer's warranty. 1 Gigabit Copper port and 1 Gigabit SFP port.IMC100 series are unmanaged industrial media converters. This series have 14 productsand suppo..
658.00 zł
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