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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.


Toshiba VRF and Digital systems to KNX Interface - TO-RC-KNX-1I (INKNXTOS001R000) Toshiba VRF and Digital systems to KNX Interface - TO-RC-KNX-1I (INKNXTOS001R000)
3 year warranty 5-7 days
Brand: Intesis Model: TO-RC-KNX-1I
Toshiba VRF and Digital systems to KNX Interface. IntesisBox TO-RC-KNX-1I (INKNXTOS001R000) allows monitoring and control, fully bi-directionally, all the functioning parameters of Digital Inverter and Toshiba VRF and Digital Air Conditioners from KNX installations. Mor..
1 193,80 zł
HD67905-A1
2 year warranty -22 % 3-4 days
Brand: ADF Web Model: HD67905-A1
Industrial Ethernet to HART converter, housing type A, DIN rail mount. It's allow to monitor HART devices (like Sensors, etc..) with an Ethernet net (like PC etc..). On the HART side, the HD67905-A1 can manage up to 15 deivces (+1 Secondary Master). Supports HART FSK. C..
1 198,50 zł 1 546,30 zł
HD67909-A1 - Modbus TCP slave to HART master converter, 1200bps, DIN rail, 1440 bytes, housing type A HD67909-A1 - Modbus TCP slave to HART master converter, 1200bps, DIN rail, 1440 bytes, housing type A
2 year warranty -22 % 3-4 days
Brand: ADF Web Model: HD67909-A1
Industrial Modbus TCP slave to HART master converter, housing type A (slim), DIN rail mount.HD67909-A1 it allows you to monitor HART devices (like sensors, transmitters and measurement instruments) with a Modbus TCP network (like PLC controllers, Supervisory Sys..
1 198,50 zł 1 546,30 zł
MQ-7244M CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: MQ-7244M CR
MQTT I/O Module with 2-port Ethernet Switch, 8 Digital Inputs (Wet contact) and 8 Digital Outputs (Sink). The MQ-7244M, MQ-7252M and MQ-7255M are Ethernet I/O devices equipped with 8-channel DI and 8-channel DO, as well as the MQTT protocol is supported for connecting w..
1 198,50 zł
MQ-7251M CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: MQ-7251M CR
MQTT I/O Module with 2-port Ethernet Switch and 16 Digital Inputs. The MQ-7251M and MQ-7253M are Ethernet I/O devices equipped with 16-channel DI, as well as the MQTT protocol is supported for connecting with a variety of digital sensors in Industrial Internet of Things..
1 198,50 zł
MQ-7252M CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: MQ-7252M CR
MQTT I/O Module with 2-port Ethernet Switch, 8 Digital Inputs (Wet contact) and 8 Digital Outputs (Source). The MQ-7244M, MQ-7252M and MQ-7255M are Ethernet I/O devices equipped with 8-channel DI and 8-channel DO, as well as the MQTT protocol is supported for connecting..
1 198,50 zł
MQ-7253M CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: MQ-7253M CR
MQTT I/O Module with 2-port Ethernet Switch and 16 Digital Inputs. The MQ-7251M and MQ-7253M are Ethernet I/O devices equipped with 16-channel DI, as well as the MQTT protocol is supported for connecting with a variety of digital sensors in Industrial Internet of Things..
1 198,50 zł
ECAT-2045-32 CR ECAT-2045-32 CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: ECAT-2045-32 CR
EtherCAT Slave I/O Module with Isolated 32-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 modu..
1 203,20 zł
EIP-2017 CR EIP-2017 CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: EIP-2017 CR
Isolated 8-ch Differential/16-ch Single Ended Analog Input EtherNet/IP Module. The EIP-2000 is an industrial remote I/O module series supporting the EtherNet/IP protocol. Users can seamlessly integrate these modules into the Ethernet network from the industrial floor to..
1 203,20 zł
HD67659-A1
2 year warranty 3-4 days
Brand: ADF Web Model: HD67659-A1
Industrial PROFINET slave to Ethernet converter, housing type A, DIN rail mount. The HD67659 is a PROFINET Slave to Ethernet Converter and it allows you to connect a PROFINET Master net with an Ethernet net (for example a PC, Supervisory System...) in order to exchange ..
1 203,20 zł
I-7017R CR I-7017R CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-7017R CR
8-channel Analog Input Module using the DCON Protocol. 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-7017R is an u..
1 203,20 zł
I-7024R CR I-7024R CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-7024R CR
4-channel Analog Output and 5-channel DI Module using the DCON 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 isolation. ..
1 203,20 zł
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