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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-87017W-A5 CR I-87017W-A5 CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-87017W-A5 CR
8-channel High Voltage Input Module using the DCON protocol. The I-87017W-A5 module is especially designed for high voltage input, and has an input range of between -150 V and +150 V. The sampling rate for the I-87017W-A5 is adjustable and can be switched between fast mode and normal mode depending on specific requirements. The I-87017W-A5 also features 4 kV ESD protection as well as 3000 VDC intra-module isolation.Features:High Voltage Input: -1..
1 245,50 zł
INWFIDAI001R100 – AC Cloud Control Wi-Fi Interface for Daikin SKY and VRV Systems (1 Unit)
3 year warranty Quantity discount 5-7 days
Brand: Intesis Model: INWFIDAI001R100
INWFIDAI001R100 – AC Cloud Control Wi-Fi Interface for Daikin SKY and VRV Systems (1 Unit).  The INWFIDAI001R100 is an industrial-grade Wi-Fi module from Intesis, designed for seamless integration of Daikin SKY and VRV air conditioning systems with cloud services and smart building platforms. This device enables remote HVAC monitoring and control through Wi-Fi or Bluetooth and is ideal for BMS systems, IoT platforms, and energy-efficien..
1 245,50 zł
INWFIFGL001R100 – Wi-Fi Interface for Fujitsu RAC & VRF Air Conditioning Systems (1 Unit)
3 year warranty Quantity discount 5-7 days
Brand: Intesis Model: INWFIFGL001R100
INWFIFGL001R100 – Wi-Fi Interface for Fujitsu RAC & VRF Air Conditioning Systems (1 Unit). The INWFIFGL001R100 is a high-performance Wi-Fi interface module designed to integrate one indoor unit of Fujitsu RAC or VRF air conditioning systems into modern building management systems (BMS), IoT platforms, or remote control infrastructures. This industrial-grade device is ideal for smart buildings, energy monitoring, and commercial automation..
1 245,50 zł
INWFILGE001R100 – Wi-Fi Interface for LG VRF & Residential Air Conditioners (1 Unit)
3 year warranty Quantity discount 5-7 days
Brand: Intesis Model: INWFILGE001R100
INWFILGE001R100 – Wi-Fi Interface for LG VRF & Residential Air Conditioners (1 Unit).  The INWFILGE001R100 is a dedicated Wi-Fi gateway for LG Domestic and VRF air conditioning systems, enabling seamless remote control, real-time monitoring, and smart building integration of a single indoor unit. Designed for industrial and commercial environments, this module delivers high-performance wireless connectivity to HVAC installations, en..
1 245,50 zł
INWFIMHI001R100 – Wi-Fi Interface for Mitsubishi Heavy Industries FD & KX6 Air Conditioning Systems (1 Unit)
3 year warranty Quantity discount 5-7 days
Brand: Intesis Model: INWFIMHI001R100
INWFIMHI001R100 – Wi-Fi Interface for Mitsubishi Heavy Industries FD & KX6 Air Conditioning Systems (1 Unit).  The INWFIMHI001R100 is a compact and industrial-grade Wi-Fi interface that allows seamless integration of Mitsubishi Heavy Industries (MHI) FD and KX6 series air conditioners with IP-based automation systems. Designed for a single indoor unit, it provides cloud-based control, remote monitoring, and BMS integration for HVAC ..
1 245,50 zł
INWFIPAN001R100 – Wi-Fi Interface for Panasonic ECOi & PACi Air Conditioning Systems (1 Unit)
3 year warranty Quantity discount 5-7 days
Brand: Intesis Model: INWFIPAN001R100
INWFIPAN001R100 – Wi-Fi Interface for Panasonic ECOi & PACi Air Conditioning Systems (1 Unit, Industrial Grade).  The INWFIPAN001R100 is a robust Wi-Fi interface designed for Panasonic ECOi and PACi air conditioner units, allowing one indoor unit to be integrated into IP-based monitoring and control systems. Ideal for building automation and commercial environments, this device enables remote management of air conditioning systems u..
1 245,50 zł
INWFITOS001R100 – Wi-Fi Interface for Toshiba VRF & Digital AC Systems (1 Unit)
3 year warranty Quantity discount 5-7 days
Brand: Intesis Model: INWFITOS001R100
INWFITOS001R100 – Toshiba VRF & Digital AC Industrial Wi-Fi Module, 1 Unit.  The INWFITOS001R100 is an industrial-grade Wi-Fi interface for Toshiba air conditioning systems, enabling seamless integration of Toshiba VRF and Digital AC units into building automation or remote monitoring systems. Designed specifically for professional applications, it supports real-time communication over IP networks and can be used to control and moni..
1 245,50 zł
NS-200WDM-A CR NS-200WDM-A CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: NS-200WDM-A CR
Industrial Ethernet to Fiber Single-Strand Media Converter, TX 1310 nm, RX 1550 nm, SC connector. The NS-200WDM Series of Single-Strand Fiber Converters supports Wavelength Division Multiplexing (WDM) technology that allows two independent data communication channels to transmit and receive over one standard, single mode, fiber optic line. This not only doubles your existing bandwidth, but also effectively reduces the cost of creating a new fiber..
1 245,50 zł
NS-200WDM-B CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: NS-200WDM-B CR
Industrial Ethernet to Fiber Single-Strand Media Converter, TX 1550 nm, RX 1310 nm, SC connector. The NS-200WDM Series of Single-Strand Fiber Converters supports Wavelength Division Multiplexing (WDM) technology that allows two independent data communication channels to transmit and receive over one standard, single mode, fiber optic line. This not only doubles your existing bandwidth, but also effectively reduces the cost of creating a new fiber..
1 245,50 zł
ET-7250A CR ET-7250A CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: ET-7250A CR
Ethernet I/O Module with 2 Ethernet Ports, 12-channel Digital Input, 6-channel Digital Output. ET-7050/PET-7050/ET-7250A/PET-7250A provides 6 sink-type digital output channels and 12 wet contact digital input channels, each of which is able to be used as a 32-bit counter. In addition, each digital input of ET-7250A/PET-7250A accepts either dry contact or wet contact.Features:Built-In Webserver: configuration, monitoring with standard WebbrowserWe..
1 254,90 zł
ET-7267 CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: ET-7267 CR
Ethernet I/O Module with 2 Ethernet Ports 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 for b..
1 254,90 zł
I-7011PD CR I-7011PD CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-7011PD CR
1-channel Thermocouple Input Module using the DCON Protocol with LED Display. 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 is..
1 254,90 zł
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