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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.


NP318T-8DI(RS-485) - Industrial Serial Device Server with 8 RS-485 ports and 2 Ethernet ports
Shipping 24h Test for Free! 6 year warranty
Brand: 3onedata Model: NP318T-8DI(RS-485)
Industrial Serial Device Server with 8 RS-485 ports and 2 Ethernet ports.NP318T-8DI (RS-485) is a high performance, industrial grade serial to Ethernet server, it can satisfy some kinds of customer requirements in consumption, temperature, volume and handle ability. It ..
1 339,50 zł
I-7522D CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-7522D CR
Programmable Intelligent Communication Controller with LED Display. 1x 5-wire RS-232 or 2-wire RS-485, 1x RS-232 port and 1x RS-485 port. Onboard 1 KB Queue bufferThe I-752N series module is equipped with a 1 KB queue buffer for its local RS-232 device. All input data c..
1 344,20 zł
I-7523 CR I-7523 CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-7523 CR
Programmable Intelligent Communication Controller. 1x 5-wire RS-232 or 2-wire RS-485, 2x RS-232 ports and 1 RS-485 port.Onboard 1 KB Queue bufferThe I-752N series module is equipped with a 1 KB queue buffer for its local RS-232 device. All input data can be stored in t..
1 344,20 zł
ECAT-2028 CR ECAT-2028 CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: ECAT-2028 CR
EtherCAT Slave I/O Module with Isolated 8-ch Analog Output. 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..
1 348,90 zł
ET-7083 CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: ET-7083 CR
Ethernet I/O Module with 1 Ethernet Port and 3 Encoder/Counter Inputs. The ET-7083/PET-7083 is a 3-axis high speed encoder/counter module. Its each axis can be individually configured for Quadrant, Pulse/Direction or CW/CCW counting modes. The maximum input rate for Qua..
1 348,90 zł
I-87024CW CR I-87024CW CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-87024CW CR
4-channel 12-bit Isolated Source Type Voltage or Current Output Module. The I-87024CW is a 4-channel current output module that features channel-to-channel isolation and also has qualification for 4 KV ESD protection and 1000 VDC intra-module isolation. Options for conf..
1 348,90 zł
PET-7250A CR PET-7250A CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: PET-7250A CR
Ethernet PoE I/O Module with 2 Ethernet PoE Ports, 12-channel Digital Input, 6-channel Digital Output. The ET-7000/ET-7200 series provides full networking capabilities, and a variety of I/O functions, together with web based Ethernet I/O monitoring and control modules, ..
1 348,90 zł
PET-7267 CR PET-7267 CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: PET-7267 CR
Ethernet PoE I/O Module with 2 Ethernet PoE Ports 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 isolati..
1 348,90 zł
PROFI-5045 CR PROFI-5045 CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: PROFI-5045 CR
PROFIBUS Remote I/O Module with 24 Isolated Digital Outputs. The PROFI-5045 is one of the PROFIBUS DP series products produced by ICP DAS. It provides the PROFIBUS DP communication protocol with any DP-Masters. The PROFI-5045 provides ±4KV ESD protection contacting for ..
1 348,90 zł
HD67617-A1 - Industrial NMEA 0183 to Modbus TCP converter, housing type A (slim), DIN rail mount.
2 year warranty -25 % 3-4 days
Brand: ADF Web Model: HD67617-A1
Industrial NMEA 0183 to Modbus TCP converter, housing type A (slim), DIN rail mount. HD67617 is a NMEA0183 / Modbus TCP Slave Converter and it allows you to connect some NMEA0183 devices (for example fluid level sensors, management of heat and cold, lights...) with a Mo..
1 353,60 zł 1 804,80 zł
M-7017R-A5 CR M-7017R-A5 CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: M-7017R-A5 CR
8-channel Analog Input Module using the DCON and Modbus Protocols. The I-7017R is an 8-channel analog input module with an extremely high quality protection mechanism where the overvoltage protection is 240 Vrms. The input type includes both voltage and current. The I-7..
1 358,30 zł
M-7018R CR M-7018R CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: M-7018R CR
8-channel Analog Input Module using the DCON and Modbus Protocols with High Voltage Protection. The I-7018/M-7018 is an 8-channel Analog Input module that provides current and voltage input, as well as thermocouple input. The I-7018R/M-7018R is an upgraded version of th..
1 358,30 zł
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