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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.


I-87068W CR I-87068W CR
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 Fo..
625,10 zł
tET-PD6 CR
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 Mo..
625,10 zł
tPET-PD2R1 CR
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..
625,10 zł
GW1101-1D(RS-485) - Industrial Modbus RTU / ASCII gateway to Modbus TCP GW1101-1D(RS-485) - Industrial Modbus RTU / ASCII gateway to Modbus TCP
Shipping 24h Test for Free! 6 year warranty
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 achi..
634,50 zł
I-7050AD CR I-7050AD CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-7050AD 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 s..
634,50 zł
I-7059 CR I-7059 CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-7059 CR
8-channel Isolated AC/DC Digital Input Module using the DCON Protocol. The I-7058/I-7059 module offers 8 differential channels for AC/DC Digital Input, each of which features channel-to-channel Photocouple isolation. All DI channels are also able to be used as 16-bit co..
634,50 zł
I-7067D CR I-7067D CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-7067D CR
7-channel Signal Relay Output Module with DCON Protocol and LED Display. 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 ..
634,50 zł
I-87053W CR I-87053W CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-87053W CR
16-channel Isolated Digital Input Module with 16-bit Counters. The I-87053W, I-87053PW and I-87053W-A2 offer 16 channels for digital input, catering for both dry and wet contact, with an effective distance for dry contact of up to 500 meters. All channels feature photoc..
634,50 zł
M-7050 CR M-7050 CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: M-7050 CR
7-channel Non-isolated Digital Input and 8-channel Non-isolated Digital Output Module using the DCON and Modbus Protocols. 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 suppor..
634,50 zł
tET-PD2POR2 CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: tET-PD2POR2 CR
Tiny Ethernet module with 2 Digital Inputs (Wet 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 Etherne..
634,50 zł
tM-AD2 CR tM-AD2 CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: tM-AD2 CR
2-channel Isolated Analog Input Module with High Voltage Protection. The tM-AD2 is an analog input module that includes 2 single-ended analog input channels and provides a programmable input range on all analog inputs (0 ~ 500 mV, 0 ~ 1 V, 0 ~ 2.5 V, 0 ~ 5 V, 0 ~ 10 V, ..
634,50 zł
tPET-A4 CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: tPET-A4 CR
Tiny Ethernet module with PoE and 4 Digital Outputs (PNP, Source).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 M..
634,50 zł
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