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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.


ME-AC-LON-1 ME-AC-LON-1
3 year warranty Quantity discount 5-7 days
Brand: Intesis Model: ME-AC-LON-1
Mitsubishi Electric AC units to LonWorks Interface. IntesisBox ME-AC-LON-1 interface allows a complete and natural integration of Mitsubishi Electric air conditioners into LonWorks networks. Compatible with Domestic (RAC), Mr Slim and City Multi line models commercialized by Mitsubishi Electric.Features:Reduced dimensions: 93 x 53 x 58 mm.Quick and easy installation. Mountable on DIN rail, wall, or even inside the indoor unit in some models of AC..
1 421,12 zł
I-7033D CR I-7033D CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-7033D CR
3-channel RTD Input Module using the DCON Protocol with LED Display. 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-c..
1 428,80 zł
WISE-7105 CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: WISE-7105 CR
Ethernet PoE I/O Module with 8 Thermistor Inputs and 4 Isolated Outputs. WISE-7105 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 cables and eliminating the requirement for ded..
1 433,50 zł
WISE-7555M CR WISE-7555M CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: WISE-7555M CR
MQTT PoE I/O Module with 8 Digital Inputs, 8 Digital Outputs and 2-port Ethernet Switch. WISE-7555M provides 8 Dry/wet contact digital input channels and 8 source-type digital output channels. It features optical isolation for 2500 VDC of transient overvoltage protection but doesn’t provide channel-to-channel isolation. It can safely be used in applications where hazardous voltages are present. WISE-7555M follows IEEE 802.3af- compliant Power ove..
1 433,50 zł
HD67221F
2 year warranty Quantity discount 3-4 days
Brand: ADF Web Model: HD67221F
Industrial CAN to Optic Fiber repeater, ST connector, multi-mode, with filter data configurable, housing type A (slim), DIN rail mount. HD67221F and the HD67221FSX are CAN repeaters with filter data configurable by software. It means that it is possible to filter the CAN data and choose the CAN frames that can be transmitted or not.Configuration:Thanks to the SW67221F software on your PC you can:Define the parameters of CAN lineSave, duplicate, m..
1 438,20 zł
M-7024R CR M-7024R CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: M-7024R CR
4-channel Analog Output and 5-channel DI Module using the DCON and Modbus Protocol. The I-7024 is a 14-bit 4-channel analog output module that provides current and voltage outputs. There are options for power-on values and safe values. It features 3000 VDC intra-module isolation. The I-7024R is the same as the I-7024 and provides additional 5-channel digital inputs and 4 KV ESD protection on each terminal. The M-7024/M-7024R support Modbus RTU an..
1 438,20 zł
PET-7067 CR PET-7067 CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: PET-7067 CR
Ethernet PoE I/O Module with 1 Ethernet PoE 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 HMISuppor..
1 438,20 zł
WISE-7102 CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: WISE-7102 CR
Ethernet PoE I/O Module with 3 Analog Inputs, 6 Digital Inputs and 3 Power Relay Outputs. WISE-7102 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 cables and eliminating the re..
1 438,20 zł
BMT-SI4
3 year warranty 5-10 days
Brand: Contemporary Controls Model: BMT-SI4
I/O BACnet MS/TP Module with 4 S0 inputs to DIN EN 62053-31 class A.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 4 S0 inputs to DIN EN 62053-31 class A was developed for d..
1 447,60 zł
I-87005W CR I-87005W CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-87005W CR
8-channel Thermistor Input and 8-channel Digital Output Module. The I-87005W module is used for measuring temperature using a thermistor. The module supports a wide range of thermistors, and features individual channel configuration, which means that eight of the input channels can be individually configured for different kinds of thermistor.In addition, the I-87005W also provides 8 digital output channels that can be used for alarm output, and s..
1 447,60 zł
PET-7255 CR PET-7255 CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: PET-7255 CR
Ethernet PoE I/O Module with 2 Ethernet PoE Ports, 8 Digital Input Channels and 8 Digital Output Channels. The ET-7255/PET-7255 provides 8 Dry/wet contact digital input channels and 8 source-type digital output channels. It features optical isolation for 2500 VDC of transient overvoltage protection but doesn’t provide channel-to-channel isolation. Each input channel can be used as a 32-bit counter and each output channel can drive 650 mA load. Th..
1 447,60 zł
I-2533CS CR I-2533CS CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-2533CS CR
Industrial CAN to Fiber Converter, 1 single mode, SC connector. The I-2533CS series is a local CAN bridge used to establish a connection between two CAN bus system via single mode fiber optic transmission medium. In order to solve the problem between CAN and fiber transmission medium, the I-2533CS series is specially designed for converting the electrical CAN bus signal to fiber optic cables. Besides, the I-2533CS-A/B supports Wavelength Division..
1 457,00 zł
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