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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-7003 CR M-7003 CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: M-7003 CR
8-channel Analog Input and 4-channel Relay Output Module using the DCON and Modbus Protocol. The M-7003 is a 16-bit, 8-channel analog inputs and 4-channel for relay output. All of its channels are Form A type relay module that provides programmable input range on all an..
1 410,00 zł
I-7524 CR I-7524 CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-7524 CR
Programmable intelligent communication controller. 1x port 5-wire RS-232 or 2-wire RS-485, 3 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 ..
1 414,70 zł
I-7565-CPM CR I-7565-CPM CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-7565-CPM CR
Industrial USB to CANopen Master Converter. The I-7565-CPM was developed as a standardized CANopen network with highly flexible configuration capabilities. It is a CANopen master solution of USB interface, and has an 80 MHz 186 CPU inside. There is a CANopen protocol in..
1 414,70 zł
INP314T-4DI(3IN1)
6 year warranty 5-10 days
Brand: 3onedata Model: INP314T-4DI(3IN1)
Industrial, 4-port RS-232/485/422 to 2-port Ethernet Converter.High performance, industrial grade INP314T-4DI(3IN1)-DB-2P(12-48VDC) is serial device server that can make serial device be equipped with networking capability instantly and centrally manage the scattered s..
1 414,70 zł
I-87019RW CR I-87019RW CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-87019RW CR
8-channel Universal Analog Input Module with High Voltage Protection. I-87019RW features an extremely excellent protection mechanism where Overvoltage Protection is up to 240 Vrms. It has wider input range for voltage compared to I-87018R. I-87019RW measures voltage fro..
1 419,40 zł
M-7024UD CR M-7024UD CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: M-7024UD CR
4-channel Analog Output, 4-channel Digital Input and 4-channel Digital Output Module using the DCON and Modbus Protocols with LED Display. The M-7024U is a multi-function module that includes 4 analog output channels, 4 digital input channels, 4 digital output channels...
1 419,40 zł
Mitsubishi Electric AC units to LonWorks Interface - ME-AC-LON-1 Mitsubishi Electric AC units to LonWorks Interface - ME-AC-LON-1
3 year warranty -10 % 5-7 days
Brand: Intesis Model: ME-AC-LON-1
Mitsubishi Electric AC units to LonWorks Interface. IntesisBox ME-AC-LON-1 interface allows a complete and natural integration of Mitsubishi Electric air conditioners into LonWorks networks. Compatible with Domestic (RAC), Mr Slim and City Multi line models commercializ..
1 279,01 zł 1 421,12 zł
I-7033D CR I-7033D CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-7033D CR
3-channel RTD Input Module using the DCON Protocol with LED Display. The I-7033 is a 3-channel RTD Input module that is used for measuring temperatures via an RTD sensor and supports Pt100, Ni120, and Pt1000 type sensors. The module allows 2/3/4-wire RTD connections and..
1 428,80 zł
WISE-7105 CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: WISE-7105 CR
Ethernet PoE I/O Module with 8 Thermistor Inputs and 4 Isolated Outputs. WISE-7105 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..
1 433,50 zł
WISE-7555M CR WISE-7555M CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: WISE-7555M CR
MQTT PoE I/O Module with 8 Digital Inputs, 8 Digital Outputs and 2-port Ethernet Switch. WISE-7555M provides 8 Dry/wet contact digital input channels and 8 source-type digital output channels. It features optical isolation for 2500 VDC of transient overvoltage protectio..
1 433,50 zł
HD67221F
2 year warranty 3-4 days
Brand: ADF Web Model: HD67221F
Industrial CAN to Optic Fiber repeater, ST connector, multi-mode, with filter data configurable, housing type A (slim), DIN rail mount. HD67221F and the HD67221FSX are CAN repeaters with filter data configurable by software. It means that it is possible to filter the CA..
1 438,20 zł
M-7024R CR M-7024R CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: M-7024R CR
4-channel Analog Output and 5-channel DI Module using the DCON and Modbus Protocol. The I-7024 is a 14-bit 4-channel analog output module that provides current and voltage outputs. There are options for power-on values and safe values. It features 3000 VDC intra-module ..
1 438,20 zł
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