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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.


M-7055UD CR M-7055UD CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: M-7055UD CR
8-channel Isolated Digital Input and 8-channel Isolated Digital Output Module, Sink- or Source-type selectable via Wire Connection with LED Display.The M-7055U module provides 8 isolated channels for Digital Input and 8 isolated channels for Digital Output. Digital Input and Digital Output can be selected as either sink- or source-type via wire connection. All Digital Input channels are also able to be used as 16-bit counters. There are options t..
846.00 zł
IPMC100-1GF-1GPOE(M)
6 year warranty Quantity discount 5-10 days
Brand: 3onedata Model: IPMC100-1GF-1GPOE(M)
Unmanaged Industrial PoE Media Converter with 1 Gigabit fiber port and 1 Gigabit PoE copper ports, Multi-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 include four types of products and provide Gigabit copper port, Gigabit fiber port, Gigabit SFP slot and Gigabit PoE copper port. It adopts DIN-Rail or wall mounting to meet the re..
848.49 zł
IPMC100-1GS-2GPOE
6 year warranty Quantity discount 5-10 days
Brand: 3onedata Model: IPMC100-1GS-2GPOE
Unmanaged Industrial PoE Media Converter with 1 Gigabit SFP Slot and 2 Gigabit PoE copper ports. 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 include four types of products and provide Gigabit copper port, Gigabit fiber port, Gigabit SFP slot and Gigabit PoE copper port. It adopts DIN-Rail or wall mounting to meet the requirements of ..
848.49 zł
USB485Ix8
6 year warranty Quantity discount 5-10 days
Brand: 3onedata Model: USB485Ix8
Isolated USB to 8-port RS-485 converter, external 5VDC or USB port powered. USB485Ix8 is a kind of USB to 8 port RS-485 converter, the USBx8485I can let PC or work station’s USB port connect 8 pcs RS-485 comfortable. USB485Ix8 provides 8 RS-485 serial ports, is compliant with USB 1.1 and 2.0 specifications, and meet the 480Mbps high-speed requirement of Hi-Speed USB 2.0. Using your computer’s USB ports to connect serial devices reduces the total ..
851.69 zł
ET-7053 CR ET-7053 CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: ET-7053 CR
Ethernet I/O Module with 1 Ethernet 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: configurati..
855.40 zł
FR-2057IT CR FR-2057IT CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: FR-2057IT CR
16-channel Sink Type Isolated Output Module With Isolated Communication line. The FR-2057iT 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. Further information about the networking of FR-2053iT/2057iT; refer to literature related to I-7188EF, I-8172W, FRB-100/20..
855.40 zł
I-87037W CR I-87037W CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-87037W CR
16-channel Source Type Isolated Digital Output Module. The I-87037W provides 16 channels for digital output, each of which features photo couple isolation. The I-87037W supports source type output with short circuit protection and each channel can drive 700mA load. There are options for confi guring power-on and safe digital output values. 4 kV ESD protection and 3750 VDC intra-module isolation are also provided to enrich the noise protection abi..
864.80 zł
tGW-725i CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: tGW-725i CR
Industrial Isolated Modbus TCP to RTU/ASCII Converter with PoE and 2 RS-485 Ports. The tGW-725i module is a Modbus TCP to RTU/ASCII gateway that enables a Modbus/TCP host to communicate with serial Modbus RTU/ASCII devices through an Ethernet network, and eliminates the cable length limitation of legacy serial communication devices. The module can be used to create a pair-connection application (as well as serial-bridge or serial-tunnel applicati..
869.50 zł
ECAT-2045 CR ECAT-2045 CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: ECAT-2045 CR
EtherCAT Slave I/O Module with Isolated 16-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 interference and environm..
874.20 zł
ECAT-2051 CR ECAT-2051 CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: ECAT-2051 CR
EtherCAT Slave I/O Module with Isolated 16-ch Digital Inputs. 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 interference and environme..
874.20 zł
HD67117 HD67117
2 year warranty Quantity discount 3-4 days
Brand: ADF Web Model: HD67117
Isolated CANopen bus line extender, CANopen bus repeater. Housing type A (slim), DIN rail mount. Characteristics:Resolves your extension line problemsIdeal for galvanized isolationDifferent transmission speed settings possible (in different branches)Mountable on DIN railInterconnects two branches of different speedsAdapted for use in motors and devices with electromagnetic disturbancesSpecifications:Ports: 2x CANCAN2.0 connector: Terminal blockDA..
874.20 zł
HD67180
2 year warranty Quantity discount 3-4 days
Brand: ADF Web Model: HD67180
Industrial DeviceNet Repeater, housing type A (slim), DIN rail mount. The repeater allows for the extension of DeviceNet communication without the need to reduce the transmission speed, further isolates the two transmission lines and allows the communication of DeviceNet lines at different transmission rates.Characteristics:Resolves your extension line problemsIdeal for galvanized isolationDifferent transmission speed settings possible (in differ..
874.20 zł
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