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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.


INWFIMHI001I100 – Wi-Fi interface for Mitsubishi Heavy Industries air conditioners
New 3 year warranty Quantity discount 5-7 days
Brand: Intesis Model: INWFIMHI001I100
INWFIMHI001I100 – Wi-Fi interface for Mitsubishi Heavy Industries air conditioners (AC Cloud Control). The INWFIMHI001I100 is a compact Wi-Fi interface from Intesis, designed to enable remote control of Mitsubishi Heavy Industries (MHI) air conditioners via the AC Cloud Control platform. It provides full access to AC functions such as mode selection, temperature settings, fan speed, louvre control and scheduling, offering a modern a..
1 057,50 zł
INWFIPAN001I100 – Wi-Fi interface for Panasonic air conditioners (AC Cloud Control)
New 3 year warranty Quantity discount 5-7 days
Brand: Intesis Model: INWFIPAN001I100
INWFIPAN001I100 – Wi-Fi interface for Panasonic air conditioners (AC Cloud Control). The INWFIPAN001I100 is a Wi-Fi communication module developed by Intesis for remote control of Panasonic RAC and VRF systems using the AC Cloud Control platform. It enables full control of operating modes, temperature settings, fan speed, louvre direction and scheduling directly from a mobile device or web dashboard. The solution is ideal for..
1 057,50 zł
NP314T-4D(3IN1)
6 year warranty Quantity discount 5-10 days
Brand: 3onedata Model: NP314T-4D(3IN1)
Industrial Device Server with 4 Serial ports and 2 Ethernet ports. The NP3XXT 3IN1 series are serial-to-Ethernet device servers that enable the serial device to have networking capabilities immediately. They support 4/8-port RS-232/485/422 serial port and 1/2-port 10/100Base-T(X) Ethernet interface optional. The serial device server can easily and centrally manage distributed serial devices and hosts through the network, support TCP, UDP, ARP, IC..
1 057,50 zł
DGW-521 CR DGW-521 CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: DGW-521 CR
RS-232/RS-485/USB to DALI Converter. The DGW-521 is a communication gateway between the Modbus RTU/DCON and the DALI (Digital Addressable Lighting Interface) protocols, and allows a Host PC, PAC, or TouchPAD to access DALI devices by providing three interfaces that enable conversion from RS-232/RS-485/USB to DALI. The module provides a built-in DALI power supply that can be enabled or disabled via a switch. DALI is an international standard for l..
1 062,20 zł
ET-7067 CR ET-7067 CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: ET-7067 CR
Ethernet I/O Module with 1 Ethernet Port and 8-ch Relay. The ET-7067/PET-7067/ET-7267/PET-7267 provides 8 form A electromechanical relays. It features optical isolation for 3000 VDC of transient overvoltage protection and doesn’t have channel-to-channel isolation. The power-on value and safe value of relay are programmable. It can safely be used in applications where hazardous voltages are present. Features:Built-in Web ServerWeb HMISupport fo..
1 062,20 zł
I-7012F CR I-7012F CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-7012F CR
1-channel High Speed Analog Input Module using the DCON Protocol (16-bit). The I-7012 is an Analog Input module that is designed for both voltage and current input types. In addition, the module provides 1 Digital Input channel as a 50 Hz event counter and 2 Digital Output channels that can be used as a high/low alarm. The I-7012 also features 3000 VDC intra-module isolation.The I-7012F is an Analog Input module that is designed for both voltage ..
1 062,20 zł
WISE-7152 CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: WISE-7152 CR
Ethernet PoE I/O Module with 8-channel Isolated Source Type Open Collector Output and 8-channel Isolated Digital Input. WISE-7152 follows IEEE 802.3af-compliant (classification, Class 1) Power over Ethernet (PoE) specification. It allows receiving power from PoE enabled network by Ethernet pairs (Category 5 Ethernet cable). This feature provides greater flexibility and higher efficiency therefore simplifying systems design, saving space, reducing..
1 062,20 zł
BMT-DI10
3 year warranty 5-10 days
Brand: Contemporary Controls Model: BMT-DI10
I/O BACnet MS/TP Module with 10 digital inputs.For those installations that support a fieldbus solution such as BACnet MS/TP, Contemporary Controls provides solutions for expanding the number of I/O points in the field. These compact cost-effective modules are available with analog and digital inputs and outputs in varying combinations. The BACnet MS/TP module with 10 digital inputs was developed for decentralized switching tasks. It is suitab..
1 071,60 zł
ECAT-2061 CR ECAT-2061 CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: ECAT-2061 CR
EtherCAT Slave I/O Module with Isolated 16-ch relay Digital Outputs. The ECAT-2000 is equipped with the EtherCAT protocol and installed by daisy chain connection which permits the flexibility in devices installation and reduces infrastructure and operation costs. All the modules can be deployed in the network topologies such as star, line or ring. The isolation input and output design protects the ECAT-2000 against the harmful interference and en..
1 071,60 zł
I-7011P CR I-7011P CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-7011P CR
1-channel Thermocouple Input Module using the DCON Protocol. The I-7011 series of modules feature current and voltage input, as well as thermocouple input. The module provides 1-channel Analog Input, 1-channel Digital Input that functions as a 50 Hz event counter, and 2-channel Digital Output that can be used as a high/low alarm. The module also features open wire detection for the thermocouple input, and 3000 VDC intra-module isolation. The M-70..
1 071,60 zł
I-7088 CR I-7088 CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-7088 CR
8-channel PWM Output and 8-channel High-speed Counter Module using the DCON Protocol. The I-7088 provides 8-channel PWM (Pulse Width Modulation) Output and 8-channel Counter Input, and can be used to develop powerful and cost-effective analog control systems. PWM is a powerful technique for controlling analog circuits that uses the Digital Output to generate a waveform with a variable duty cycle and frequency which can then be used to control an ..
1 071,60 zł
HD67510-A1 - Modbus TCP master to Modbus RTU slave converter, slim DIN rail housing type A, triple isolation HD67510-A1 - Modbus TCP master to Modbus RTU slave converter, slim DIN rail housing type A, triple isolation
2 year warranty Quantity discount 3-4 days
Brand: ADF Web Model: HD67510-A1
Industrial Modbus TCP master to Modbus RTU slave converter, housing type A (slim), DIN rail mount. HD67510-A1 is a professional Modbus gateway designed to connect Modbus TCP masters with Modbus RTU slaves over RS232 or RS485. Acting as a slave on the serial side and as a master on the Ethernet side, it enables seamless data exchange between Modbus-based devices. The compact housing type A is optimized for DIN rail mounting, making it an ex..
1 081,00 zł
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