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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.


Model3012-M - Industrial Ethernet to multi-mode fiber media converter with 1 Gigabit Ethernet port and 1 Gigabit fiber port
6 year warranty 5-10 days
Brand: 3onedata Model: Model3012-M
Industrial Ethernet to multi-mode fiber media converter with 1 Gigabit Ethernet port and 1 Gigabit fiber port. Model3012 is an adaptive Gigabit Ethernet to fiber converter uses the switching technology to conduct media conversion, which meets the standards of IEEE802.3,..
295.11 zł
M-Bus pulse adapter for integrating meters with pulse output into metering systems – IM001G
5-10 days
Brand: Relay Model: IM001G
IM001G – M-Bus pulse adapter for integrating meters with pulse output.IM001G (PadPuls M1) is a compact M-Bus pulse adapter designed to integrate conventional meters equipped with pulse output (potential-free contact) into M-Bus-based reading systems. The ..
305.50 zł
NP301 - Industrial universal 1-port RS-232/422/485 serial device server with one Ethernet port NP301 - Industrial universal 1-port RS-232/422/485 serial device server with one Ethernet port
Shipping 24h Test for Free! 6 year warranty
Brand: 3onedata Model: NP301
Industrial universal 1-port RS-232/422/485 serial device server with one Ethernet port.In industrial automation, the “serial-to-Ethernet” link is often the weakest point of a system: long RS-485 lines, noisy cabinets, multiple software tools, and a requirement to..
321.48 zł
Two-channel M-Bus pulse collector for integrating pulse-output meters into M-Bus systems – IM003G
5-10 days
Brand: Relay Model: IM003G
IM003G – two-channel M-Bus pulse collector for wall mounting.IM003G (PadPuls M2) is a professional two-channel M-Bus pulse collector designed to integrate meters equipped with floating pulse outputs or S0 interfaces into M-Bus-based metering systems. The d..
323.83 zł
Model3012-S - Industrial Ethernet to single-mode fiber media converter with 1 Gigabit Ethernet port and 1 Gigabit fiber port Model3012-S - Industrial Ethernet to single-mode fiber media converter with 1 Gigabit Ethernet port and 1 Gigabit fiber port
6 year warranty 5-10 days
Brand: 3onedata Model: Model3012-S
Industrial Ethernet to single-mode fiber media converter with 1 Gigabit Ethernet port and 1 Gigabit fiber port. Model3012 is an adaptive Gigabit Ethernet to fiber converter uses the switching technology to conduct media conversion, which meets the standards of IEEE802.3..
332.01 zł
Model3012-SS - Industrial Ethernet to single-mode, single fiber media converter with 1 Gigabit Ethernet port and 1 Gigabit fiber port
6 year warranty -3 % 5-10 days
Brand: 3onedata Model: Model3012-SS
Industrial Ethernet to single-mode, single fiber media converter with 1 Gigabit Ethernet port and 1 Gigabit fiber port. Model3012 is an adaptive Gigabit Ethernet to fiber converter uses the switching technology to conduct media conversion, which meets the standards of I..
322.05 zł 332.01 zł
LC-103 CR - 1-channel AC Digital Input and 3-channel Relay Output Lighting Control Module LC-103 CR - 1-channel AC Digital Input and 3-channel Relay Output Lighting Control Module
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: LC-103 CR
1-channel AC Digital Input and 3-channel Relay Output Lighting Control Module. The LC-103 is an easy-to-use lighting control module that requires no specialist skills to install and operate, and no software is needed in order to control the DO channels.The LC-103 provid..
333.70 zł
LC-101 CR - 1-channel AC Digital Input and 1-channel Relay Output Lighting Control Module with screw mount LC-101 CR - 1-channel AC Digital Input and 1-channel Relay Output Lighting Control Module with screw mount
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: LC-101 CR
1-channel AC Digital Input and 1-channel Relay Output Lighting Control Module with screw mount. The LC-101 is an easy-to-use lighting control module that requires no specialist skills to install and operate, and no software is needed in order to control the DO channels...
343.10 zł
Battery-powered two-channel M-Bus pulse collector for integrating pulse-output meters – IM003GB
5-10 days
Brand: Relay Model: IM003GB
IM003GB – battery-powered two-channel M-Bus pulse collector.IM003GB (PadPuls M2V) is a battery-powered two-channel M-Bus pulse collector designed to integrate meters equipped with pulse outputs or S0 interfaces into M-Bus-based metering systems. The dev..
348.27 zł
LC-101DIN CR - 1-channel AC Digital Input and 1-channel Relay Output Lighting Control Module with DIN rail mount LC-101DIN CR - 1-channel AC Digital Input and 1-channel Relay Output Lighting Control Module with DIN rail mount
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: LC-101DIN CR
1-channel AC Digital Input and 1-channel Relay Output Lighting Control Module with DIN rail mount. The LC-101 is an easy-to-use lighting control module that requires no specialist skills to install and operate, and no software is needed in order to control the DO channe..
352.50 zł
Two-channel M-Bus pulse converter for DIN rail mounting and integration of pulse-output meters – IM003GC
5-10 days
Brand: Relay Model: IM003GC
IM003GC – two-channel M-Bus pulse converter for DIN rail mounting.IM003GC (PadPuls M2C) is a professional two-channel M-Bus pulse converter designed to integrate meters equipped with floating pulse outputs or S0 interfaces into M-Bus-based metering system..
360.49 zł
ECU101-1F - Industrial Media Converter Management Card with 1 Fast Ethernet port and 1 Fiber port.
6 year warranty 5-10 days
Brand: 3onedata Model: ECU101-1F
Industrial Media Converter Management Card with 1 Fast Ethernet port and 1 Fiber port. ECU101-1F is 100M industrial media converter unmanaged daughter card. The product provides 100M copper port and fiber ports. It adopts slide-in mounting and could be used matching wit..
368.90 zł
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