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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.


MOD-16I-M - Industrial expansion module with FRAM memory, 16 digital inputs to Modbus RTU, with RS485 interface MOD-16I-M - Industrial expansion module with FRAM memory, 16 digital inputs to Modbus RTU, with RS485 interface
2-3 days
Brand: Aspar Model: MOD-16I-M
Industrial expansion module with FRAM memory, 16 digital inputs to Modbus RTU, with RS485 interface. Features:INPUT: 16 digital inputs with memoryOUTPUT: RS485 - Modbus Slave (ASCII, RTU)FRAM - non-volatile random-access memoryMounting on a DIN rail16 configurable 32-bi..
139.00 €
tPET-P2POR2 CR - Tiny Ethernet module with PoE, 2 Digital Inputs (Dry Contact) and 2 Form A PhotoMos relay
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: tPET-P2POR2 CR
Tiny Ethernet module with PoE, 2 Digital Inputs (Dry Contact) and 2 Form A PhotoMos relay. Providing various digital I/O functions, the tET/tPET series is an IP-based Ethernet I/O monitoring and control module. The module can be remotely controlled through a 10/100 M Et..
139.00 €
I-7041PD CR - 14-channel Isolated Digital Input Module with DCON Protocol with LED Display I-7041PD CR - 14-channel Isolated Digital Input Module with DCON Protocol with LED Display
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-7041PD CR
14-channel Isolated Digital Input Module with DCON Protocol with LED Display. The I-7041 and I-7041P provide 14 channels for digital input, each of which features photocouple isolation. In addition, either sink- or source-type digital input can be selected via wire conn..
141.00 €
I-87054W CR - 8-channel Isolated Digital Input and 8-channel Isolated Digital Output Module using the DCON Protocol I-87054W CR - 8-channel Isolated Digital Input and 8-channel Isolated Digital Output Module using the DCON Protocol
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-87054W CR
8-channel Isolated Digital Input and 8-channel Isolated Digital Output Module using the DCON Protocol. The I-87054W module offers 8 isolated Digital Input channels and 8 isolated Digital Output channels. Either sink- or source-type Digital Input can be selected via the ..
141.00 €
M-7064 CR - 8-channel Form A Signal Relay Output Module M-7064 CR - 8-channel Form A Signal Relay Output Module
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: M-7064 CR
8-channel Form A Signal Relay Output Module. The M-7064 module provides 8 Form A signal relay output channels. The M-7064D module include 8 LED indicators that can be used to monitor the status of the relay output, and options are provided that allow power-on and safe R..
141.00 €
M-7068 CR - 4-channel Form A Signal Relay Output and 4-channel Form C Signal Relay Output Module M-7068 CR - 4-channel Form A Signal Relay Output and 4-channel Form C Signal Relay Output Module
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: M-7068 CR
4-channel Form A Signal Relay Output and 4-channel Form C Signal Relay Output Module. The M-7068 provides 4 Form A signal relay output channels and 4 Form C signal relay output channels, while the M-7069 provides 4 Form A power relay output channels and 4 Form C power r..
141.00 €
I-7510A CR - Industrial isolated RS-422/485 Repeater/Converter I-7510A CR - Industrial isolated RS-422/485 Repeater/Converter
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-7510A CR
Industrial isolated RS-422/485 Repeater/Converter. The I-7510/I-7510A provides 2-way optical isolation between one piece of RS-422/RS-485 equipment and the rest of the system. It can also be used as a repeater to extend the transmission of an existing network. Additiona..
142.00 €
tM-7510U CR - Industrial Isolated RS-485 Repeater tM-7510U CR - Industrial Isolated RS-485 Repeater
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: tM-7510U CR
Industrial Isolated RS-485 Repeater. The tM-7510U repeater simply amplifies, or boosts, existing RS-485 signals to enable them to cover longer distances. It extends the communication distance by 4000 ft. (1200 m) or increases the maximum number of bus nodes. The module ..
142.00 €
I-7059D CR - 8-channel Isolated AC/DC Digital Input Module using the DCON Protocol with LED Display I-7059D CR - 8-channel Isolated AC/DC Digital Input Module using the DCON Protocol with LED Display
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-7059D CR
8-channel Isolated AC/DC Digital Input Module using the DCON Protocol with LED Display. The I-7058/I-7059 module offers 8 differential channels for AC/DC Digital Input, each of which features channel-to-channel Photocouple isolation. All DI channels are also able to be ..
143.00 €
I-7060 CR - 4-channel Isolated Digital Input and 4-channel Relay Output Module using the DCON Protocol I-7060 CR - 4-channel Isolated Digital Input and 4-channel Relay Output Module using the DCON Protocol
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-7060 CR
4-channel Isolated Digital Input and 4-channel Relay Output Module using the DCON Protocol. The 7060 series provides 4 digital input channels, 2 Form A and 2 Form C signal relay output channels, while the M-7060P provides 4 digital input channels, 2 Form A and 2 Form C ..
143.00 €
M-7041P CR - 14-channel Isolated Digital Input Module with DCON and Modbus Protocols M-7041P CR - 14-channel Isolated Digital Input Module with DCON and Modbus Protocols
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: M-7041P CR
14-channel Isolated Digital Input Module with DCON and Modbus Protocols.The I-7041 and I-7041P provide 14 channels for digital input, each of which features photocouple isolation. In addition, either sink- or source-type digital input can be selected via wire connection..
143.00 €
M-7041PD CR - 14-channel Isolated Digital Input Module with DCON and Modbus Protocols and LED Display M-7041PD CR - 14-channel Isolated Digital Input Module with DCON and Modbus Protocols and LED Display
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: M-7041PD CR
14-channel Isolated Digital Input Module with DCON and Modbus Protocols and LED Display.The I-7041 and I-7041P provide 14 channels for digital input, each of which features photocouple isolation. In addition, either sink- or source-type digital input can be selected via..
143.00 €
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