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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.


FR-2053TA CR FR-2053TA CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: FR-2053TA CR
16-Channel Isolated Sink/Source Digital Input FRNET Module. The FR-2053TA/FR-2053HTA has 16-channel isolated Sink/Source input, while the FR-2057TA has 16-channel isolated source output. The FR-2000 I/O module has an FRnet interface. The users can daisy chain several FR-2000 modules together. Via FRnet, the FR-2000 modules can extend the remote I/O control of PC, PAC and PLC easily. Further information about the networking of FR-2053TA/2057TA; re..
596,90 zł
I-7041 CR I-7041 CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-7041 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 ..
601,60 zł
I-7042 CR I-7042 CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-7042 CR
13-channel Isolated Digital Output Module using the DCON Protocol. The I-7042 offers 13 channels digital output channels, each of which features Photocouple isolation and supports sink-type output using an open collector. There are also options to enable both power-on and safe values. The I-7042D has 13 LED indicators that can be used to monitor the status of DO channels. 3750 Vrms intra-module isolation is standard.Features:13-channel Open Colle..
601,60 zł
I-7043 CR I-7043 CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-7043 CR
16-channel Non-isolated Digital Output Module using the DCON Protocol. 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 values. The I-7043D has 16 LED indicators that can be used to monitor the status of DO channels. The hardware specifications for the M-7043 are the same as the I-7043, and both support the Mod..
601,60 zł
I-7050A CR I-7050A CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-7050A CR
7-channel Non-isolated Digital Input and 8-channel Non-isolated Digital Output Module using the DCON Protocol. 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-on and safe value..
601,60 zł
I-7052D CR I-7052D CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-7052D CR
8-channel Isolated Digital Input Module using the DCON 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 either sink- or source-type input via wire connections. All channels are able to be used as 16-bit has 8 LED indicators for DI channel status monitoring. 4 kV ESD protection and 5000 Vrms intr..
601,60 zł
I-7053-FG CR I-7053-FG CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-7053-FG CR
16-channel Non-isolated Digital Input Module using the DCON Protocol. 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 be used as 16-bit counters, each of which are non-isolated. The I-7053D_FG has 16 LED indicators for channel status monitoring. The M-7053 has the same hardware specifications as the I-7053_FG,..
601,60 zł
I-7067 CR I-7067 CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-7067 CR
7-channel Signal Relay Output Module with DCON Protocol. 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 3750 VDC intra-module isolation are also provided to enhance the noise protection capabilities in industrial environment. The “D” versions of the 7061 series provide 12 LED indicators and the ..
601,60 zł
I-87063W CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-87063W CR
4-channel Isolated Digital Input and 4-channel Relay Output Module using the DCON Protocol. The I-87063W module provides 4 isolated Digital Input channels and 4 Form C Relay Output channels. All Digital Input channels can be used as 16-bit counters. In addition, either sink- or source-type Digital Input can be selected via the wire connections. The I-87063W includes 8 LED indicators that can be used to monitor the status of the Digital Input and ..
601,60 zł
tPET-P2A2 CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: tPET-P2A2 CR
Tiny Ethernet module with PoE, 2 Digital Inputs and 2 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 Modbus TCP protocol. Modbus has become a de facto standard communications protocol in industry, and is now the most commonly available means of connecting industri..
601,60 zł
tPET-P2C2 CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: tPET-P2C2 CR
Tiny Ethernet module with PoE, 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 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..
601,60 zł
tPET-P6 CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: tPET-P6 CR
Tiny Ethernet module with PoE and 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 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 electron..
601,60 zł
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