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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.


tPET-P2R2 CR tPET-P2R2 CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: tPET-P2R2 CR
Tiny Ethernet module with PoE, 2 Digital Inputs (Wet Contact) and 2 Form A Power Relays.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 Ethernet network by using Modbus TCP protocol. Modbus has become a de facto standard communications protocol in industry, and is now the most commonly available means of connecting indu..
606.30 zł
I-7060D CR I-7060D CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-7060D CR
4-channel Isolated Digital Input and 4-channel Relay Output Module using the DCON Protocol with LED Display. The 7060 series provides 4 digital input channels, 2 Form A and 2 Form C signal relay output channels, while the M-7060P provides 4 digital input channels, 2 Form A and 2 Form C power relay output channels. All digital input channels can be used as 16-bit counters. In addition, the digital input channels can be selected either as sink- or ..
615.70 zł
I-7063D CR I-7063D CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-7063D CR
8-channel Isolated Digital Input and 3-channel Relay Output Module using the DCON Protocol with LED Display. 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 channels. All digital input channels can be used as 16-bit counters. In addition, the digital input channels can be selected either as sink- or source-type via wire connecti..
615.70 zł
I-7510 - isolated RS-485 repeater I-7510 - isolated RS-485 repeater
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-7510 CR
I-7510 – Isolated RS-485 Signal Repeater with 3000 VDC Protection.  The I-7510 is an industrial-grade isolated RS-485 signal repeater designed to provide stable and secure communication in demanding industrial environments. The device functions as a repeater, amplifying and regenerating the transmitted signal, allowing for an extended RS-485 communication range of up to 1200 meters. This makes the I-7510 an essential component of commun..
615.70 zł
MBus to RS-232 converter, max 10 meters - HD67020-B2-10
2 year warranty Quantity discount 3-4 days
Brand: ADF Web Model: HD67020-B2-10
MBus to RS-232 converter (Master MBus: up to 10 slaves), housing type B (wide), DIN rail mount. This series allow to read/write M-Bus Slaves devices by RS232, ensuring galvanic isolation between M-Bus and RS232. HD67020 is a Plug&Play device and it allows to connect up to 10 M-Bus Slaves to RS232. The converter does not require any configuration. The baudrate is automatically detected at RS232 side and used (the same) to the M-Bus side.Charac..
615.70 zł
tGW-712 CR tGW-712 CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: tGW-712 CR
Industrial Modbus TCP to RTU/ASCII Converter with PoE and 1 RS-232 Port. The tGW-700 is a Modbus TCP to RTU/ASCII gateway that enables a Modbus/TCP host to communicate with serial Modbus RTU/ASCII devices through an Ethernet network, and eliminates the cable length limitation of legacy serial communication devices. The module can be used to create a pair-connection application (as well as serial-bridge or serial-tunnel application), and can then ..
615.70 zł
I-7041P CR I-7041P CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-7041P CR
14-channel Isolated Digital Input Module with DCON Protocol. The I-7041 and I-7041P provide 14 channels for digital input, each of which features photocouple isolation. In addition, either sink- or source-type digital input can be selected via wire connections, and all channels are able to be used as 16-bit counters. The I-7041D and I-7041PD include 14 LED indicators that can be used for DI channel status monitoring. 4 kV ESD protection and 3750 ..
625.10 zł
I-7050D CR I-7050D CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-7050D CR
7-channel Non-isolated Digital Input and 8-channel Non-isolated Digital Output Module using the DCON Protocol with LED Display. The I-7050 series of modules offers channels for digital input and 8 channels for digital output, each of which are non-isolated. The I-7050 supports sink-type output using an NPN open collector, and source-type input. All input channels are able to be used as 16-bit counters. There are also options to enable both power-..
625.10 zł
I-87068W CR I-87068W CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-87068W CR
4-channel Form A Power/Signal Relay Output and 4-channel Form C Power/Signal Relay Output Module. The I-87068W provides 4 Form A power relay output channels and 4 Form C power relay output channels. The I-87068W-2A provides 4 Form A signal relay output channels and 4 Form C signal relay output channels. Both include 8 LED indicators for monitoring the relay output status and provide options for configuring power-on and safe digital output values...
625.10 zł
tET-PD6 CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: tET-PD6 CR
Tiny Ethernet module with 6-channel Digital Inputs (Dry Contact).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 Ethernet network by using Modbus TCP protocol. Modbus has become a de facto standard communications protocol in industry, and is now the most commonly available means of connecting industrial electronic devic..
625.10 zł
tPET-PD2R1 CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: tPET-PD2R1 CR
Tiny Ethernet module with PoE, 2-channel Digital Inputs (Dry Contact) and 1-channel Form A power 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 Ethernet network by using Modbus TCP protocol. Modbus has become a de facto standard communications protocol in industry, and is now the most commonly available means of ..
625.10 zł
GW1101-1D(RS-485) GW1101-1D(RS-485)
Shipping 24h Test for Free! 6 year warranty Quantity discount
Brand: 3onedata Model: GW1101-1D(RS-485)
Industrial Modbus RTU / ASCII gateway to Modbus TCP. Communication ports RS-485/422 and Ethernet, wide temperature range, metal housing IP40.GW1101-1D(RS-485)-TB-P(12-48VDC) is Modbus gateway designed for integrating Modbus RTU/ASCII and Modbus TCP networks; it can achieve the conversion between Modbus RTU/ASCII and Modbus TCP protocols. This product has 1 RS-485/422 serial port and 1 100M Ethernet copper port. It adopts wall mounting to meet the..
634.50 zł
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