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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.


MQ-7252M CR - MQTT I/O Module with 2-port Ethernet Switch, 8 Digital Inputs (Wet contact) and 8 Digital Outputs (Source)
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..
255.00 €
MQ-7253M CR - MQTT I/O Module with 2-port Ethernet Switch and 16 Digital Inputs
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..
255.00 €
ECAT-2045-32 CR - EtherCAT Slave I/O Module with Isolated 32-ch Digital Outputs ECAT-2045-32 CR - EtherCAT Slave I/O Module with Isolated 32-ch Digital Outputs
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..
256.00 €
EIP-2017 CR - Isolated 8-ch Differential/16-ch Single Ended Analog Input EtherNet/IP Module EIP-2017 CR - Isolated 8-ch Differential/16-ch Single Ended Analog Input EtherNet/IP Module
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..
256.00 €
I-7017R CR - 8-channel Analog Input Module using the DCON Protocol I-7017R CR - 8-channel Analog Input Module using the DCON Protocol
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..
256.00 €
I-7024R CR - 4-channel Analog Output and 5-channel DI Module using the DCON Protocol I-7024R CR - 4-channel Analog Output and 5-channel DI Module using the DCON Protocol
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. ..
256.00 €
I-87018W CR - 8-channel Thermocouple Input Module I-87018W CR - 8-channel Thermocouple Input Module
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-87018W CR
8-channel Thermocouple Input Module. The I-87018W is an 8-channel analog input module that provides current input and voltage input, as well as thermocouple input. The I-87018RW is an upgraded version of I-87018W with an extremely highquality protection mechanism where ..
256.00 €
I-7019R CR - 8-channel Universal Analog Input Module using the DCON Protocol I-7019R CR - 8-channel Universal Analog Input Module using the DCON Protocol
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-7019R CR
8-channel Universal Analog Input Module using the DCON Protocol. The I-7019R is an Analog Input module that includes 8 differential Analog Input channels. Voltage, current or thermocouple input can be selected for all Analog Input channels via a jumper and each channel ..
257.00 €
ET-7242 CR - Ethernet I/O Module with 2 Ethernet Ports and 16 Digital Outputs ET-7242 CR - Ethernet I/O Module with 2 Ethernet Ports and 16 Digital Outputs
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: ET-7242 CR
Ethernet I/O Module with 2 Ethernet Ports and 16 Digital Outputs. The ET-7042/PET-7042/ET-7242/PET-7242 provides 16 sink-type digital output channels. It features optical isolation for 3750 VDC of transient overvoltage protection and doesn’t have channel-to-channel isol..
258.00 €
ET-7244 CR - Ethernet I/O Module with 2 Ethernet Ports, 8 Digital Inputs and 8 Digital Outputs ET-7244 CR - Ethernet I/O Module with 2 Ethernet Ports, 8 Digital Inputs and 8 Digital Outputs
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: ET-7244 CR
Ethernet I/O Module with 2 Ethernet Ports, 8 Digital Inputs and 8 Digital Outputs. The ET-7044/PET-7044/ET-7244/PET-7244 provides 8 wet contact digital input channels and 8 sink-type digital output channels. It features optical isolation for 3750 Vrms of transient overv..
258.00 €
ET-7252 CR - Ethernet I/O Module with 2 Ethernet Ports, 8 Digital Inputs and 8 Digital Outputs ET-7252 CR - Ethernet I/O Module with 2 Ethernet Ports, 8 Digital Inputs and 8 Digital Outputs
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: ET-7252 CR
Ethernet I/O Module with 2 Ethernet Ports, 8 Digital Inputs and 8 Digital Outputs. The ET-7052/PET-7052/ET-7252/PET-7252 provides 8 wet contact digital input channels and 8 source-type digital output channels. It features optical isolation for 2500 VDC of transient over..
258.00 €
ET-7258 CR - Ethernet I/O Module with 2 Ethernet Ports and 8 AC/DC Digital Inputs ET-7258 CR - Ethernet I/O Module with 2 Ethernet Ports and 8 AC/DC Digital Inputs
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: ET-7258 CR
Ethernet I/O Module with 2 Ethernet Ports and 8 AC/DC Digital Inputs. The ET-7258/PET-7258 provides 8 AC digital input channels. Each input channel can be used as a 32-bit counter. It features optical isolation for 2500 VDC of transient overvoltage protection but doesn..
258.00 €
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