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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.


USB-2019/S CR USB-2019/S CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: USB-2019/S CR
USB I/O Module with 8 Universal Analog Inputs with High Voltage Protection and CN-1824. The USB-2019 provided by ICP DAS is a new solution for data acquisition. It provides easy USB plug-and-play operation and equips accurate measurement for all kinds of automation applications. Compared with the traditional PC-based card like PCI, PC/104 and ISA cards, users can achieve data acquisition easier and quicker via USB-2019.The USB-2019 is an 8-channe..
1 212,60 zł
I-87065W CR I-87065W CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-87065W CR
8-channel AC Solid State Relay Output Module using the DCON Protocol. The I-87065W module provides 8 AC Solid State Relay (SSR) Output channels. In comparison to electromechanical relays, SSR technology provides a faster response time and greater electrical endurance. The integration of AC SSR technology also eliminates the potential for arcing, bouncing, or switching noise. The I-87065W includes 8 LED indicators that can be used to monitor the s..
1 217,30 zł
M-7017Z CR M-7017Z CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: M-7017Z CR
10/20-channel Analog Input Module with High Voltage Protection using the DCON and Modbus Protocols. The I-7017Z is an Analog Input module that includes 10 differential or 20 single-ended Analog Input channels. The module provides a programmable input range on all Analog Input channels. Each Analog Input channel can be configured for an individual input range, providing a high overvoltage protection of 240 Vrms and 50mA overcurrent protection at 1..
1 217,30 zł
I-87066W CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-87066W CR
8-channel DC Solid State Relay Output Module using the DCON Protocol. The I-87066W module provides 8 DC Solid State Relay (SSR) Output channels. In comparison to electromechanical relays, SSR technology provides a faster response time and greater electrical endurance. The integration of DC SSR technology also eliminates the potential for arcing, bouncing, and switching noise. The I-87066W includes 8 LED indicators that can be used to monitor the ..
1 226,70 zł
ET-7017-10 CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: ET-7017-10 CR
Ethernet I/O Module with 1 Ethernet Port and 10-channel differential or 20-channel single-ended analog inputs. The ET-7017-10/PET-7017-10/ET-7217-10/PET-7217-10 is a module with 10-channel differential or 20-channel single-ended analog inputs. It provides programmable input range on all analog channels (+/-150 mV, +/-500 mV, +/-1 V, +/-5 V, +/-10 V, +/-20 mA, 0 ~ 20 mA and 4 ~ 20 mA). Each analog channel is allowed to configure an individual rang..
1 236,10 zł
I-7011D CR I-7011D CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-7011D 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..
1 236,10 zł
I-7522A CR I-7522A CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-7522A CR
Programmable Intelligent Communication Controller. 1x 5-wire RS-232 or 2-wire RS-485 port, 1 RS-422 port and 1 RS-485 port. Onboard 1 KB Queue bufferThe I-752N series module is equipped with a 1 KB queue buffer for its local RS-232 device. All input data can be stored in the queue buffer until the Host PC has time to read it. This feature allows the Host PC to link thousands of RS-232 devices without any loss of data.3000V isolation on RS-485 sid..
1 236,10 zł
Industrial MBus repeater for 40 meters - HD67032-B2-40
2 year warranty Quantity discount 3-4 days
Brand: ADF Web Model: HD67032-B2-40
Industrial MBus repeater & isolator, master MBus up to 40 slaves, housing type B (wide), DIN rail mount. HD67032-B2-160 allows to Isolate and Extend a MBus Line, ensuring galvanic isolation between the various MBus branches. HD67032 is a configurable device with Logic Inside and it allow to connect up to 40 MBus Slaves. Repeater is easy to configure thanks to free SW67032 software.Configuration:Thanks to the SW67032 software on your PC you c..
1 236,10 zł
Mbus to 485 converter, max 40 meters - HD67022-B2-40
2 year warranty Quantity discount 3-4 days
Brand: ADF Web Model: HD67022-B2-40
Industrial MBus to RS485 converter, master MBus up to 40 slaves, housing type B (wide), DIN rail mount. This series allows to read/write MBus Slaves by RS-485, ensuring galvanic isolation between MBus and RS-485. HD67022 is a configurable device with logic inside and it allows to connect up to 40 MBus Slaves to RS-485. Converter is easy to configure thanks to free SW67021 software.Configuration:Thanks to SW67021 software on your PC you can:Define..
1 236,10 zł
Mbus to RS232 converter, max 40 meters - HD67021-B2-40
2 year warranty Quantity discount 3-4 days
Brand: ADF Web Model: HD67021-B2-40
Industrial MBus to RS232 converter, master Mbus up to 40 slaves, housing type B (wide), DIN rail mount. This series allows to read/write MBus Slaves by RS-232, ensuring galvanic isolation between MBus and RS-232. HD67021 is a configurable device with logic inside and it allows to connect up to 40 MBus Slaves to RS-232. Converter is easy to configure thanks to free SW67021 software.Configuration:Thanks to SW67021 software on your PC you can:Define..
1 236,10 zł
I-7017RC CR I-7017RC CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-7017RC CR
8-channel Analog Input Module using the DCON Protocol with High Voltage Protection. The I-7017C is an 8-channel current input module that is specifically designed to measure current only. Its user-friendly design saves both time and effort when measuring a current thanks to a built-in resistor, meaning that you can now measure current directly. The I-7017RC is an upgraded version of the I-7017C, with the only difference being that the I-7017RC is..
1 245,50 zł
I-7033 CR I-7033 CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-7033 CR
3-channel RTD Input Module using the DCON Protocol. The I-7033 is a 3-channel RTD Input module that is used for measuring temperatures via an RTD sensor and supports Pt100, Ni120, and Pt1000 type sensors. The module allows 2/3/4-wire RTD connections and features open wire detection. In addition, the I-7033 also includes 3000 VDC intra-module isolation, and supports lead resistance elimination for 3/4-wire connections.Features:3-channel 16-bit RTD..
1 245,50 zł
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