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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.


HD67510-B2 -  Modbus TCP master to Modbus RTU slave converter, DIN rail, triple isolation, housing type B
2 year warranty Quantity discount 3-4 days
Brand: ADF Web Model: HD67510-B2
Industrial Modbus TCP master to Modbus RTU slave converter, housing type B, DIN rail mount. HD67510-B2 is an advanced industrial converter designed to enable seamless communication between Modbus TCP masters and Modbus RTU slaves. On the serial side (RS232/RS485) the device acts as a slave, while on the Ethernet side it behaves as a master (client), allowing integration of one or multiple Modbus TCP servers. With a robust type B housing an..
1 081,00 zł
IS-IR-WMP-1 (INWMPUNI001I000) IS-IR-WMP-1 (INWMPUNI001I000)
3 year warranty Quantity discount 5-7 days
Brand: Intesis Model: IS-IR-WMP-1
AC units with IR receiver to Wi-Fi interface. IntesisBox IS-IR-WMP-1 interface allows a complete and natural integration of air conditioners into IP based control systems. Compatible with almost all AC units with and IR remote controller receiver.The aim of this integration is to monitor and control your Air Conditioning system, remotely, from your Control Center using any commercial SCADA or monitoring software that includes the possibility to c..
1 081,00 zł
M-7011 CR M-7011 CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: M-7011 CR
1-channel Thermocouple Input Module using the DCON and Modbus Protocols. The I-7011 series of modules feature current and voltage input, as well as thermocouple input. The module provides 1-channel Analog Input, 1-channel Digital Input that functions as a 50 Hz event counter, and 2-channel Digital Output that can be used as a high/low alarm. The module also features open wire detection for the thermocouple input, and 3000 VDC intra-module isolati..
1 081,00 zł
NP5000-1T-2DI(3IN1)-DB-P
6 year warranty Quantity discount 5-10 days
Brand: 3onedata Model: NP5000-1T-2DI(3IN1)-DB-P
Industrial Serial Port Connecting Server with 1 100M Ethernet port and 2 serial ports 3IN1 (RS-232/485/422) DB9 and SSH security function.NP5000 series are the safe serial networking server that can make serial device be equipped with networking capability instantly and centrally manage the scattered serial devices and hosts via network. This series has 4 products to choose. The products support 1/2 3IN1 DB9 serial port to 1 10/100Base-T(X) self-..
1 085,70 zł
I-7017 CR I-7017 CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-7017 CR
8-channel Analog Input Module using the DCON Protocol. The I-7017 and I-7017F are analog input modules that provide either 8 differential input channels, or 6 differential input channels and 2 singleended input channels selectable via a jumper. The input type includes both voltage and current, and all channels are available for the same input range. An optional external 125 Ω resistor is required for current input. The modules also feature 3000 V..
1 090,40 zł
I-7022 CR I-7022 CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-7022 CR
2-channel Analog Output Module using the DCON Protocol. The I-7022 is a 12-bit, 2-channel Analog Output module that is designed for both voltage and current output using the DCON protocol. The I-7022 features 3000 VDC intra-module isolation, and the power source for the current output can be selected as either internal or external via a jumper. Options are also provided to allow power-on and safe values to be set. The M-7022 and M-7022A supports ..
1 090,40 zł
I-7530 CR I-7530 CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-7530 CR
Industrial Intelligent RS-232 to CAN Converter. CAN (Controller Area Network) is a serial bus system especially suited to structure intelligent industry devices networks and build smart automatic control systems. The PC can be the CAN host, monitor or HMI to access/control the CAN device through the CAN network by the I-7530/I-7530T/I-7530FT Converters. The programmable RS-232 device (For example: I-8411/I-8431/I-8811/I-8831/W-8031/W-8331/W-8731 ..
1 090,40 zł
DK-AC-KNX-1I (INKNXDAI001I100) DK-AC-KNX-1I (INKNXDAI001I100)
3 year warranty Quantity discount 5-7 days
Brand: Intesis Model: DK-AC-KNX-1I
Daikin AC units to KNX Interface. IntesisBox DK-AC-KNX-1i INKNXDAI001I100 allows monitoring and control, fully bi-directionally, all the functioning parameters of Daikin Domestic Air Conditioners from KNX installations. Moreover, four potential-free binary inputs provide the possibility to integrate many types of external devices. The gateway INKNXDAI001I100 is wired directly to an indoor unit. This allows not only the control of the main..
1 099,80 zł
DK-RC-KNX-1I (INKNXDAI001R100) DK-RC-KNX-1I (INKNXDAI001R100)
3 year warranty Quantity discount 5-7 days
Brand: Intesis Model: DK-RC-KNX-1I
Daikin VRV and Sky systems to KNX Interface. IntesisBox DK-RC-KNX-1i INKNXDAI001R100 allows monitoring and control, fully bi-directionally, all the functioning parameters of Daikin SKY Air and VRV Air Conditioners from KNX installations. Moreover, four potential-free binary inputs provide the possibility to integrate many types of external devices. The INKNXDAI001R100 is wired directly to an indoor unit. This allows not only the control of the ..
1 099,80 zł
FJ-RC-KNX-1I (INKNXFGL001R000) FJ-RC-KNX-1I (INKNXFGL001R000)
3 year warranty Quantity discount 5-7 days
Brand: Intesis Model: FJ-RC-KNX-1I
Fujitsu RAC and VRF systems to KNX Interface, INKNXFGL001R000 from Intesis (old product code FJ-RC-KNX-1I). IntesisBox FJ-RC-KNX-1I INKNXFGL001R000 allows monitoring and control, fully bi-directionally, all the functioning parameters of Fujitsu RAC and VRF Air Conditioners from KNX installations. Moreover, four potential-free binary inputs provide the possibility to integrate many types of external devices. The INKNXFGL001R000 is wired directly t..
1 099,80 zł
HI-RC-KNX-1i (INKNXHIT001R000) HI-RC-KNX-1i (INKNXHIT001R000)
3 year warranty Quantity discount 5-7 days
Brand: Intesis Model: HI-RC-KNX-1i
Hitachi VRF systems to KNX Gateway with Binary Inputs. IntesisBox HI-RC-knx-1i INKNXHIT001R000 allows monitoring and control, fully bi-directionally, all the functioning parameters of Hitachi VRF Air Conditioners from KNX installations. Moreover, four potential-free binary inputs provide the possibility to integrate many types of external devices.The Hitachi-KNX INKNXHIT001R000 gateway allows fully bi-directional communication between Hitachi Com..
1 099,80 zł
I-7017C CR I-7017C CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-7017C CR
8-channel Current Input Module using the DCON Protocol. The I-7017C is an 8-channel current input module that is specifically designed to measure current only. Its user-friendly design saves both time and effort when measuring a current thanks to a built-in resistor, meaning that you can now measure current directly. The I-7017RC is an upgraded version of the I-7017C, with the only difference being that the I-7017RC is much more suitable for crit..
1 099,80 zł
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