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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-87052W CR I-87052W CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-87052W CR
8-channel Isolated Digital Input Module with 2 kV Channel-to-Channel Isolation using the DCON Protocol. The I-87052W module offers 8 fully independent differential Digital Input channels that feature 2 kV channel-to-channel Photocouple isolation. In addition, either sin..
535,80 zł
I-87058W CR I-87058W CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-87058W CR
8-channel 80 to 250 VAC Isolated Digital Input Module with 16-bit Counters. The I-87058W is an 8-channel AC digital input module with high voltage isolation. The ON voltage level for the module range can be between 80 and 250 VAC, and all DI channels are also able to be..
535,80 zł
IMC100-2T1F(S)
6 year warranty 5-10 days
Brand: 3onedata Model: IMC100-2T1F(S)
2-port 10/100Base-T(X)+1-port 100Base-FX, Single-mode. IMC100 series are unmanaged industrial media converters. This series have 14 productsand support a variety of optional interfaces including 100M fiber ports, 100M copper ports,Gigabit fiber ports, Gigabit copper por..
549,90 zł
I-7520R CR I-7520R CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-7520R CR
Industrial RS-232 to Isolated RS-485 Converter. Most industrial computer systems provide standard RS-232 serial ports. Though widely accepted, RS-232 has limited transmission speed, range, and networking capabilities. The RS-422 and RS-485 standards overcome these limit..
554,60 zł
I-87059W CR I-87059W CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-87059W CR
8-channel 10 to 80 VAC Isolated Digital Input Module with 16-bit Counters. The I-87058W is an 8-channel AC digital input module with high voltage isolation. The ON voltage level for the module range can be between 80 and 250 VAC, and all DI channels are also able to be ..
554,60 zł
tET-P2A2 CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: tET-P2A2 CR
Tiny Ethernet module with 2-channel Digital Inputs and 2-channel 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..
554,60 zł
tET-P2C2 CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: tET-P2C2 CR
Tiny Ethernet module with 2 Digital Inputs and 2 Digital Outputs (NPN, Sink). 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 networ..
554,60 zł
tET-P6 CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: tET-P6 CR
Tiny Ethernet module with 6-channel Digital Inputs (Wet 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..
554,60 zł
I-7052 CR I-7052 CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-7052 CR
8-channel Isolated Digital Input Module using the DCON Protocols. 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 either sink- or source-type i..
564,00 zł
I-87051W CR I-87051W CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-87051W CR
16-channel Non-isolated Digital Input Module using the DCON Protocol. The I-87051W is a 16-channel Digital Input module for dry contact wire connections with an effective distance of up to 100 meters. All channels can be used as 16-bit counters and 4 kV ESD protection i..
564,00 zł
I-87055W CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-87055W CR
8-channel Non-isolated Digital Input and 8-channel Non-isolated Digital Output Module using the DCON Protocol. The I-87055W module offers 8 non-isolated Digital Input channels and 8 nonisolated Digital Output channels. All Digital Input channels are also able to be used..
564,00 zł
MOD-16I
2-3 days
Brand: Aspar Model: MOD-16I
Industrial expansion module, 16 digital inputs on Modbus RTU, with RS485 interface. The module communicates with all commercially available PLCs, devices that support the popular MODBUS MASTER protocol. The module has 16 digital inputs with counter option. In addition, ..
564,00 zł
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