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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.


ICP222-1T2F-2CI-TB
6 year warranty Quantity discount 5-10 days
Brand: 3onedata Model: ICP222-1T2F-2CI-TB
Industrial 2-port CAN-Bus to 2-port 100Base-FX Ethernet CAN Device Server. ICP222-2F-2CI is an industrial grade CAN-Bus server which supports 2 CAN-Bus ports and 2 Fast Ethernet fiber ports. The optic fiber support SW-Ring ring network patent technology. The user can easily complete the interconnection of CAN-Bus network and Ethernet network, to further expand the scope of CAN-Bus network. The CAN-Bus port communication rate 5K~1000Kbps has three..
925,90 zł
IGW1111-1DI(3IN1)-DB
6 year warranty Quantity discount 5-10 days
Brand: 3onedata Model: IGW1111-1DI(3IN1)-DB
Industrial Modbus Gateway with 1 serial port RS-232/485/422 and 2 100M Ethernet Ports IGW1111/IGW1112/IGW1114 series are Modbus gateways designed for integrating Modbus RTU/ASCII and Modbus TCP networks; they can achieve the conversion between Modbus RTU/ASCII and Modbus TCP protocols. This series provide 3 types of products and support 1/2/4 3IN1 serial ports and 2 100M Ethernet copper ports. They adopt DIN-Rail mounting to meet the requirements..
929,66 zł
GW1102-2DI(3IN1)-DB-P(12-48VDC)
6 year warranty Quantity discount 5-10 days
Brand: 3onedata Model: GW1102-2DI(3IN1)-DB-P(12-48VDC)
Industrial Modbus RTU / ASCII gateway to Modbus TCP. Communication ports 2 RS-232/485/422 and 1 Ethernet 100MGW1102-2DI(3IN1)-DB-P(12-48VDC) is Modbus gateway designed for integrating Modbus RTU/ASCII and Modbus TCP networks; they can achieve the conversion between Modbus RTU/ASCII and Modbus TCP protocols. This product supports 2 3IN1 DB9 serial ports to 1 100M Ethernet copper port. It adopts wall mounting to meet the requirements of different a..
930,60 zł
ECAT-2060 CR ECAT-2060 CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: ECAT-2060 CR
EtherCAT Slave I/O Module with Isolated 6-ch Digital Inputs and 6-ch Digital Outputs. The ECAT-2000 is equipped with the EtherCAT protocol and installed by daisy chain connection which permits the flexibility in devices installation and reduces infrastructure and operation costs. All the modules can be deployed in the network topologies such as star, line or ring. The isolation input and output design protects the ECAT-2000 against the harmful in..
935,30 zł
FR-2057TW CR FR-2057TW CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: FR-2057TW CR
Isolated 16-channel sink output FRNET Module. The FR-2053TA has 16-channel isolated Sink/Source input, while the FR-2057TW has 16-channel isolated sink output. The FR-2000 I/O module has an FRnet interface. The users can daisy chain several FR-2000 modules together. Via FRnet, the FR-2000 modules can extend the remote I/O control of PC, PAC and PLC easily.Features:Built-in Wire-saving FRnet DI/DO controlHigh-speed transmission reliabilitySimple s..
935,30 zł
I-7531 CR I-7531 CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-7531 CR
Industrial Two-channel CAN Bus Isolated Repeater. The I-7531 is a CAN repeater used to establish a physical coupling of two or more segments of a CAN bus system. Users can implement tree or star topologies as well as the long drop lines with the I-7531. Users can also increase the maximum number of bus nodes by using the I-7531. The I-7531 is an optically isolated CAN repeater which provides 2500Vrms of optical isolation. This feature helps you t..
940,00 zł
INWFIUNI001I000 – Universal IR Air Conditioner Wi-Fi Interface for AC Cloud Control
3 year warranty Quantity discount 5-7 days
Brand: Intesis Model: INWFIUNI001I000
INWFIUNI001I000 – Universal IR Air Conditioner Wi-Fi Interface for AC Cloud Control.  The INWFIUNI001I000 gateway enables control of main air conditioner functions via infrared (IR) commands. Thanks to its built-in IR receiver, it can detect the actual status of the AC unit even when controlled by the manufacturer’s IR remote. Designed for professional HVAC monitoring and control, it connects AC units to the AC Cloud Control system thro..
940,00 zł
WISE-7142 CR
Quantity discount 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). This feature provides greater flexibility and higher efficiency therefore simplifying systems design, saving space, reducing cables and eliminating the requirement for dedicated e..
940,00 zł
M-7084 CR M-7084 CR
Quantity discount 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 Counter" modes. The mode combinations can be individual set for all 8 channels, where some channels can be set to “Up Counter” mode and other channels can be simultaneously set to “Freq..
944,70 zł
PET-7053 CR PET-7053 CR
Quantity discount 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 overvoltage protection but doesn’t provide channel-to-channel isolation. It can safely be used in applications where hazardous voltages are present.Features:Built-In Webserver: configu..
944,70 zł
NS-200AFC-T CR NS-200AFC-T CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: NS-200AFC-T CR
Industrial Ethernet to Fiber Media Converter, multi mode, SC 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 from -30 ~ 75°C and accepts a wide voltage range from +12 ~ 48 VDC.Features:Automatic MDI/MDI-X crossover for plug-and-playSupports both 10/100 Mbps speed auto negotiationStore-and-fo..
949,40 zł
NS-200AFT-T CR NS-200AFT-T CR
Quantity discount 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 from -30 ~ 75°C and accepts a wide voltage range from +12 ~ 48 VDC.Features:Automatic MDI/MDI-X crossover for plug-and-playSupports both 10/100 Mbps speed auto negotiationStore-and-fo..
949,40 zł
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