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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.


PROFI-5053 CR - PROFIBUS Remote I/O Module with 24 Non-Isolated Digital Inputs PROFI-5053 CR - PROFIBUS Remote I/O Module with 24 Non-Isolated Digital Inputs
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: PROFI-5053 CR
PROFIBUS Remote I/O Module with 24 Non-Isolated Digital Inputs. The PROFI-5053 is one of the PROFIBUS DP series products produced by ICP DAS. It provides the PROFIBUS DP communication protocol with any DP-Masters. The PROFI-5053 provides ±4KV ESD protection contacting f..
248.00 €
USB-2026 CR - USB I/O Module with 5 Analog Inputs, 2 Analog Outputs, 2 Digital Inputs and 2 Digital Outputs USB-2026 CR - USB I/O Module with 5 Analog Inputs, 2 Analog Outputs, 2 Digital Inputs and 2 Digital Outputs
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: USB-2026 CR
USB I/O Module with 5 Analog Inputs, 2 Analog Outputs, 2 Digital Inputs and 2 Digital Outputs. The USB-2026 is a multifunction module that includes 5 analog input channels, 2 analog output channels, 2 digital input channels, 2 digital output channels and compatibles wit..
248.00 €
WISE-7117 CR - Ethernet PoE I/O Module with 8 Analog Inputs with High Voltage Protection and 4 Isolated Digital Outputs
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: WISE-7117 CR
Ethernet PoE I/O Module with 8 Analog Inputs with High Voltage Protection and 4 Isolated Digital Outputs. WISE-7117 follows IEEE 802.3af-compliant (classification, Class 1) Power over Ethernet (PoE) specification. It allows receiving power from PoE enabled network by Et..
248.00 €
I-7013D CR - 1-channel RTD Input Module using the DCON Protocol with 7-segment LED Display I-7013D CR - 1-channel RTD Input Module using the DCON Protocol with 7-segment LED Display
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-7013D CR
1-channel RTD Input Module using the DCON Protocol with 7-segment LED Display.The I-7013(D) and M-7013P(D) is a 1-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..
250.00 €
I-7018P CR - 8-channel Analog Input Module using the DCON Protocol I-7018P CR - 8-channel Analog Input Module using the DCON Protocol
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-7018P CR
8-channel Analog Input Module using the DCON Protocol. The I-7018P is an Analog Input module that features current and voltage input, as well as thermocouple input. The I-7018BL is a thermocouple input module. Both of the modules provide 8-channel differential or 6-chan..
250.00 €
I-87024DW CR - 4-channel 14-bit Analog Output Module I-87024DW CR - 4-channel 14-bit Analog Output Module
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-87024DW CR
4-channel 14-bit Analog Output Module. I-87024DW is a serial interface and 4-channel analog output module. The programmable analog outputs are 14-bit resolution and offer 0~5V, +/-5V, 0~10V, +/-10V, 0~20mA, and 4~20mA.Features:4-channel Analog OutputD-Sub 37-Pin Connect..
250.00 €
M-7018 CR - 8-channel Analog Input Module using the DCON and Modbus Protocols M-7018 CR - 8-channel Analog Input Module using the DCON and Modbus Protocols
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: M-7018 CR
8-channel Analog Input Module using the DCON and Modbus Protocols. The I-7018/M-7018 is an 8-channel Analog Input module that provides current and voltage input, as well as thermocouple input. The I-7018R/M-7018R is an upgraded version of the I-7018/M-7018 that includes..
252.00 €
BMT-AO4 - I/O BACnet MS/TP Module with 4 analog outputs
3 years warranty 5-10 days
Brand: Contemporary Controls Model: BMT-AO4
I/O BACnet MS/TP Module with 4 analog outputs.For those installations that support a fieldbus solution such as BACnet MS/TP, Contemporary Controls provides solutions for expanding the number of I/O points in the field. These compact cost-effective modules are available ..
254.00 €
ET-7017 CR - Ethernet I/O Module with 1 Ethernet Port, 8-ch Analog Input and 4-ch Digital Output ET-7017 CR - Ethernet I/O Module with 1 Ethernet Port, 8-ch Analog Input and 4-ch Digital Output
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: ET-7017 CR
Ethernet I/O Module with 1 Ethernet Port, 8-ch Analog Input and 4-ch Digital Output. The ET-7017/PET-7017/ET-7217/PET-7217 is a module with 8-channel differential analog inputs and 4-channel digital ouputs. It provides programmable input range on all analog channels (+/..
254.00 €
I-87017W CR - 8-channel Analog Input Module with High Overvoltage Protection I-87017W CR - 8-channel Analog Input Module with High Overvoltage Protection
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-87017W CR
8-channel Analog Input Module with High Overvoltage Protection. The I-87017RW is an analog input module with an extremely high-quality protection mechanism where the overvoltage protection can be as high as 240 Vrms. The input type can be set to either voltage or curren..
254.00 €
MQ-7244M CR - MQTT I/O Module with 2-port Ethernet Switch, 8 Digital Inputs (Wet contact) and 8 Digital Outputs (Sink)
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..
255.00 €
MQ-7251M CR - MQTT I/O Module with 2-port Ethernet Switch and 16 Digital Inputs
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..
255.00 €
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