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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.


WISE-7142 CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: WISE-7142 CR
Ethernet PoE I/O Module with 16-channel Isolated Digital Output. WISE-7142 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)...
940.00 zł
M-7084 CR M-7084 CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: M-7084 CR
4-/8-channel Counter/Frequency/Encoder Input Module. The M-7084 is a 32-bit high-speed Counter/Frequency/Encoder input module that offers a variety of mode options, including "Up Counter”, "Frequency Input", "Up/Down Counter", "Direct/Pulse Counter" and "A/B Phase Count..
944.70 zł
PET-7053 CR PET-7053 CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: PET-7053 CR
Ethernet I/O Module with 1 Ethernet PoE Port and 16-ch Digital Inputs. The ET-7053/PET-7053/ET-7253/PET-7253 provides 16 dry contact digital input channels. Each input channel can be used as a 32-bit counter. It features optical isolation for 3750 Vrms of transient over..
944.70 zł
NS-200AFT-T CR NS-200AFT-T CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: NS-200AFT-T CR
Industrial Ethernet to Fiber Media Converter, multi mode, ST connector. The NS-200AF series is a Ethernet (10/100 Base-TX) to Media (100 Base-FX) converter. The Ethernet supports 10/100M auto negotiation feature and auto MDI/MDI-X function. NS-200A can work normally fro..
949.40 zł
NS-200FC CR NS-200FC CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: NS-200FC CR
Industrial Ethernet to Fiber Media Converter, Multi mode, SC connector. The NS-200F series is an Ethernet (10/100Base-TX) to Fiber Optic (100Base-FX) converter. The Ethernet supports 10/100M auto-negotiation feature and auto MDI/MDIX function. The NS-200F series operate..
949.40 zł
ET-2255 CR ET-2255 CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: ET-2255 CR
Ethernet I/O Module with 2 Ethernet Ports, 8 Digital Inputs (Wet/Dry Contact) and 8 Digital Outputs (Sink type). Providing various digital I/O functions, the ET-2255 module is an IP-based Ethernet I/O monitoring and control module. The module can be remotely controlled ..
954.10 zł
ET-2255U CR ET-2255U CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: ET-2255U CR
Ethernet I/O Module with 2 Ethernet Ports, 8 Digital Inputs (Wet/Dry Contact) and 8 Digital Outputs (Sink/Source type). Providing various digital I/O functions, the ET-2255/2255U module is an IP-based Ethernet I/O monitoring and control module. The module can be remotel..
954.10 zł
IPMC100-1GF-2GPOE(S)
6 year warranty 5-10 days
Brand: 3onedata Model: IPMC100-1GF-2GPOE(S)
Unmanaged Industrial PoE Media Converter with 1 Gigabit fiber port and 2 Gigabit PoE copper ports, Single-mode. IPMC100 series are 2/3-port full Gigabit unmanaged industrial PoE media converter. PoE power supply conforms to IEEE 802.3af/at protocol standard. This series..
959.18 zł
HD67900-5-A1
2 year warranty -25 % 3-4 days
Brand: ADF Web Model: HD67900-5-A1
Industrial serial RS485 to HART master converter, housing type A (slim), DIN rail mount. The HD67900-A1 allow to monitor HART devices (like Sensors, etc..) with a Serial net (like a PC, etc..). On the HART side, the HD67900-A1 can manage up to 15 deivces (+1 Secondary M..
963.50 zł 1,287.80 zł
HD67941-B2 - DALI, DALI-2 to MQTT converter with TLS/SSL support and DIN mounting, Ethernet port, housing type B HD67941-B2 - DALI, DALI-2 to MQTT converter with TLS/SSL support and DIN mounting, Ethernet port, housing type B
2 year warranty -25 % 3-4 days
Brand: ADF Web Model: HD67941-B2
Industrial DALI, DALI-2 to MQTT converter, housing type B (wide), DIN rail mount.The HD67941-B2 is a professional industrial gateway designed to integrate DALI lighting systems with MQTT IoT platforms. It provides reliable bidirectional communication, allowing l..
963.50 zł 1,287.80 zł
I-7061 CR I-7061 CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-7061 CR
12-channel Power Relay Output Module with DCON Protocol. 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 int..
963.50 zł
INKNXUNI001I000 IR air conditioner interface for KNX integration and monitoring
New 3 year warranty 5-7 days
Brand: Intesis Model: INKNXUNI001I000
Industrial communication module for universal IR air conditioners to the KNX interface, model INKNXUNI001I000 by Intesis.IntesisBox INKNXUNI001I000 (former code IS-IR-KNX-1) enables monitoring and control of an air conditioner from a KNX installation via..
963.50 zł
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