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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-7050D CR M-7050D CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: M-7050D CR
7-channel Non-isolated Digital Input and 8-channel Non-isolated Digital Output Module using the DCON and Modbus Protocols 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..
672.10 zł
tPET-PD6 CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: tPET-PD6 CR
Tiny Ethernet module with PoE and 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 electron..
672.10 zł
tGW-732 CR tGW-732 CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: tGW-732 CR
Industrial Modbus TCP to RTU/ASCII Converter with PoE and 3 RS-232 Ports. 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..
676.80 zł
I-7058D CR I-7058D CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-7058D CR
8-channel Isolated AC/DC Digital Input Module using the DCON Protocol with LED Display. 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 counters. The I-7058D/I-7059D module has 8 LED indicators fthat can be used to monitor the status of the DI channels. ESD protection of ±4 kV and 3750 VDC intra-modu..
681.50 zł
I-87053W-A5 CR I-87053W-A5 CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-87053W-A5 CR
16-channel 68-150 VDC Isolated Digital Input Module with 16-bit Counters. The I-87053W-A5 and I-87053W-E5 provide 16 channels for high voltage digital input, each of which features photocouple isolation. The input voltage level can be as high as 150 VDC. 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 effective distance for dry contact is up ..
681.50 zł
I-87053W-E5 CR I-87053W-E5 CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-87053W-E5 CR
16-channel 68-150 VDC Isolated Digital Input Module with 16-bit Counters. The I-87053W-A5 and I-87053W-E5 provide 16 channels for high voltage digital input, each of which features photocouple isolation. The input voltage level can be as high as 150 VDC. 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 effective distance for dry contact is up ..
681.50 zł
M-7046D CR M-7046D CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: M-7046D CR
15-channel Isolated Digital Input Module using the DCON or Modbus Protocol with LED Display. 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 source via wire connections. The M-7046D module includes 15 LED indicators that can be used to monitor the status of the DI channels. 8 kV ESD protection and 5000 VD..
681.50 zł
M-7059 CR M-7059 CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: M-7059 CR
8-channel Isolated AC/DC Digital Input Module using the DCON and Modbus 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 counters. The I-7058D/I-7059D module has 8 LED indicators fthat can be used to monitor the status of the DI channels. ESD protection of ±4 kV and 3750 VDC intra-module iso..
681.50 zł
M-7067D CR M-7067D CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: M-7067D CR
7-channel Signal Relay Output Module with DCON and Modbus Protocols 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 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 provid..
681.50 zł
tPET-PD2POR2 CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: tPET-PD2POR2 CR
Tiny Ethernet module with PoE, 2-channel Digital Inputs (Dry Contact) and 2-channel 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 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 ..
681.50 zł
GW1101-1DI(3IN1)-DB-P(12-48VDC) GW1101-1DI(3IN1)-DB-P(12-48VDC)
6 year warranty Quantity discount 5-10 days
Brand: 3onedata Model: GW1101-1DI(3IN1)-DB-P(12-48VDC)
Industrial Modbus RTU / ASCII gateway to Modbus TCP. Communication ports RS-232/485/422 and Ethernet 100MGW1101-1DI(3IN1)-DB-P(12-48VDC) is Modbus gateway designed for integrating Modbus RTU/ASCII and Modbus TCP networks; they can achieve the conversion between Modbus RTU/ASCII and Modbus TCP protocols. This product supports 1 3IN1 DB9 serial port to 1 100M Ethernet copper port. It adopts wall mounting to meet the requirements of different applic..
686.20 zł
IMC100-2T1F-1D
6 year warranty Quantity discount 5-10 days
Brand: 3onedata Model: IMC100-2T1F-1D
Managed industrial media converter, serial device serve, RS-232/422/485 to Ethernet or fiber. DIN rail mount, working temperature -40°C to 85°C. 5 years Manufacturer's warranty. 1 100M fiber port, 2 100M copper ports and 1 3IN1 serial port with dual power supply support DC12-48V. IMC100-2T1F-1D is 4-port managed industrial media converter which provides 100M fiber port, 100M copper port and 3IN1 serial port. It adopts DIN-Rail mounting to meet th..
686.20 zł
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