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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.


I-87019ZW CR I-87019ZW CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-87019ZW CR
10-channel Universal Analog Input Module. The I-87019ZW is a 10-channel universal analog input module with an RS-485 interface that is a specially designed for extremely accurate thermocouple measurement and features automatic cold-junction compensation for each channel to ensure temperature output consistency and stable temperature output in the field. The innovative design of the enhanced model ensures that thermocouple measurement is more accu..
1 974,00 zł
NP5000-2T-8DI-S(RS-485)-TB-P(12-48VDC)
6 year warranty Quantity discount 5-10 days
Brand: 3onedata Model: NP5000-2T-8DI-S(RS-485)-TB-P(12-48VDC)
Industrial Serial Port Connecting Server with 2 100M Ethernet ports and 8 serial ports RS-485 and SSH security functionNP5000-2T-8DI-S(RS-485)-TB-P(12-48VDC) is serial device server that can make serial device be equipped with networking capability instantly and centrally manage the scattered serial devices and hosts via network. This product supports 8 RS-485 serial ports to 2 10/100Base-T(X) self-adaptive Ethernet port. It adopts desktop/wall m..
1 974,00 zł
GW-7243D CR GW-7243D CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: GW-7243D CR
DeviceNet slave to Modbus master Converter. The GW-7243D offers the DeviceNet slave and Modbus master functions, and enables the DeviceNet master to access the Modbus slave devices. In the DeviceNet network, the module acts as a Group 2 Only Server device, and waits to build the connection with the DeviceNet master. In the Modbus network, the GW-7243D is a master device, and cyclically sends the commands to access the Modbus slave devices. Both t..
1 983,40 zł
GW-7552 CR GW-7552 CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: GW-7552 CR
Industrial PROFIBUS to Modbus Converter. The GW-7552 Gateway is specially designed for the slave device of PROFIBUS DP protocol. It allows the PROFIBUS master to access the Modbus devices. These Modbus devices may be a PLC, a sensor, ICPDAS M-7000 series modules and so forth. In addition, we also provide the utility software for users to configure the GW-7552. By using this module, users can put their Modbus devices into PROFIBUS network very eas..
1 983,40 zł
GW-7553 CR GW-7553 CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: GW-7553 CR
Industrial PROFIBUS to Modbus TCP Converter. The GW-7553 Gateway is specially designed for the slave device of PROFIBUS DP protocol. It allows the PROFIBUS master to access the Modbus TCP devices. These Modbus devices may be a PLC, a sensor, the ICPDAS I-8KE4-MTCP module and so forth. In addition, the GW-7553 module built-in web server, the user can set the module by web browser. By using this module, users can put their Modbus TCP devices into P..
1 983,40 zł
I-7550E CR I-7550E CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-7550E CR
Industrial PROFIBUS to Ethernet Converter. The I-7550E Converter is specially designed for the slave device of PROFIBUS DP protocol. It allows the PROFIBUS master to access any kinds of Ethernet devices supporting TCP/UDP protocol. The I-7550E can be set as TCP/UDP server and client, it's flexible for user to match their requirement. In addition, the I-7550E module built-in web server, the user can set the module by web browser. By using this mod..
1 983,40 zł
IGW1114-4DI(3IN1)-DB
6 year warranty Quantity discount 5-10 days
Brand: 3onedata Model: IGW1114-4DI(3IN1)
Industrial Modbus Gateway with 4 serial ports 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 requirement..
1 984,76 zł
INMBSMEB0200100 – Industrial M-Bus to Modbus TCP Gateway for 20 Devices
3 year warranty Quantity discount 5-7 days
Brand: Intesis Model: INMBSMEB0200100
INMBSMEB0200100 – Industrial M-Bus to Modbus TCP Gateway for up to 20 Devices.  The INMBSMEB0200100 gateway is designed for seamless integration of up to 20 M-Bus meters into any Modbus TCP-based system. Developed by Intesis (HMS Networks), this industrial-grade interface offers robust performance and certified reliability. Whether you're connecting energy meters, water meters, heat cost allocators, or other M-Bus-compliant devices, the..
1 988,10 zł
ET-7019Z/S CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: ET-7019Z/S CR
Industrial Ethernet I/O Module with 1 Ethernet Port, 10-ch universal Analog Inputs and 6 Digital Outputs. The ET-7019Z/PET-7019Z/ET-7219Z/PET-7219Z is specifically designed for extremely accurate thermocouple measurement and features automatic coldjunction compensation for each channel to ensure temperature output consistency and stable temperature output in the field. Current input and voltage input are both supported. Another feature is that it..
1 992,80 zł
HRT-710 CR HRT-710 CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: HRT-710 CR
Industrial Modbus RTU/ASCII to HART Converter. The HRT-710 / HRT-310 Gateway is specially designed for the master device of HART protocol. It allows the Modbus master to access the HART devices. These HART devices may be a transmitter, an actuator and so forth. In addition, we also provide the software utility, HG_Tool, for module configuration and HART device diagnosis. By using these modules, users can integrate their HART devices into Modbus n..
1 992,80 zł
CAN-8423 CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: CAN-8423 CR
CANopen Remote I/O Unit with 4 Expansion Slots. The CAN-8x23 main control unit is specially designed for the slave device of CANopen protocol. It follows the CANopen Spec DS-301 V4.02 and DSP-401 V2.1, and supplies many features for users, such as dynamic PDO, EMCY object, error output value, SYNC cyclic and acyclic, etc.The CAN-8x23 supports up to 1/2/4/8 slots for I/O expansion and suits with a lot of ICP DAS DI/AI/DO/AO modules. User can choos..
2 002,20 zł
CAN-8424 CAN-8424
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: CAN-8424
DeviceNet Remote I/O Unit with 4 I/O Expansion Slots. The CAN-8124/CAN-8224 main control unit is specially designed for the slave device of DeviceNet protocol. It follows the Specification of DeviceNet. In order to expand I/O channel more flexible, an CAN-8x24 supports 1/2/4 slot(s) for I/O expansion and suits with a lot of ICP DAS DI/AI/DO/AO modules.Users can choose DI/DO/AI/AO modules of I-87K series or I-8000 series to fit the customized prac..
2 002,20 zł
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