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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.


M-7080B CR - 2-channel Counter/Frequency Input Module with DCON and Modbus Protocol with Virtual Battery Backup M-7080B CR - 2-channel Counter/Frequency Input Module with DCON and Modbus Protocol with Virtual Battery Backup
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: M-7080B CR
2-channel Counter/Frequency Input Module with DCON and Modbus Protocol with Virtual Battery Backup.The I-7080 offers 2 high speed counter or frequency input channels and 2 digital output channels. Two types of digital input are provided, one for isolated input, and the ..
170.00 €
M-7045D CR - 16-channel Isolated Digital Output Module using the DCON and Modbus Protocols with LED Display M-7045D CR - 16-channel Isolated Digital Output Module using the DCON and Modbus Protocols with LED Display
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: M-7045D CR
16-channel Isolated Digital Output Module using the DCON and Modbus Protocols with LED Display. All modules in the 7045 series offer 16 digital output channels, each of which features Photocouple isolation. The I-7045(D)/M-7045(D) supports sourcetype output, while the I..
172.00 €
M-7055U CR - 8-channel Isolated Digital Input and 8-channel Isolated Digital Output Module, Sink- or Source-type selectable via Wire Connection M-7055U CR - 8-channel Isolated Digital Input and 8-channel Isolated Digital Output Module, Sink- or Source-type selectable via Wire Connection
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: M-7055U CR
8-channel Isolated Digital Input and 8-channel Isolated Digital Output Module, Sink- or Source-type selectable via Wire Connection. The M-7055U module provides 8 isolated channels for Digital Input and 8 isolated channels for Digital Output. Digital Input and Digital Ou..
172.00 €
FR-2057T CR - Isolated 16-channel Digital Output FRNET Module with 20-pin Screw Terminal Connector FR-2057T CR - Isolated 16-channel Digital Output FRNET Module with 20-pin Screw Terminal Connector
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: FR-2057T CR
Isolated 16-channel Digital Output FRNET Module with 20-pin Screw Terminal Connector. The FR-2057/2057T/2057HT has 16-channel isolated photo-coupler output. The default signal connector of FR-2057 is a 20-pin header. The "T" stands for screw terminal connector and the "..
173.00 €
MOD-6TE - Industrial expansion module, 6 universal temperature inputs on Modbus RTU, with RS485 interface MOD-6TE - Industrial expansion module, 6 universal temperature inputs on Modbus RTU, with RS485 interface
2-3 days
Brand: Aspar Model: MOD-6TE
Industrial expansion module, 6 universal temperature inputs on Modbus RTU, with RS485 interface. Features:INPUT: 6 temperature inputs, universalOUTPUT: Interface: RS485 - Modbus (ASCII, RTU)Power supply 10-38VDC; 10-28VACUp to 128 modules in line RS485Support for thermo..
173.00 €
I-7045D CR - 16-channel Isolated Digital Output Module using the DCON Protocol with LED Display I-7045D CR - 16-channel Isolated Digital Output Module using the DCON Protocol with LED Display
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-7045D CR
16-channel Isolated Digital Output Module using the DCON Protocol with LED Display. All modules in the 7045 series offer 16 digital output channels, each of which features Photocouple isolation. The I-7045(D)/M-7045(D) supports sourcetype output, while the I-7045(D)-NPN..
174.00 €
I-7045D-NPN CR - 16-channel Isolated Digital Output Module using the DCON Protocol with LED display I-7045D-NPN CR - 16-channel Isolated Digital Output Module using the DCON Protocol with LED display
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-7045D-NPN CR
16-channel Isolated Digital Output Module using the DCON Protocol with LED display. All modules in the 7045 series offer 16 digital output channels, each of which features Photocouple isolation. The I-7045(D)/M-7045(D) supports sourcetype output, while the I-7045(D)-NPN..
174.00 €
M-7045D-NPN CR - 16-channel Isolated Digital Output Module using the DCON and Modbus Protocols with LED Display M-7045D-NPN CR - 16-channel Isolated Digital Output Module using the DCON and Modbus Protocols with LED Display
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: M-7045D-NPN CR
16-channel Isolated Digital Output Module using the DCON and Modbus Protocols with LED Display. All modules in the 7045 series offer 16 digital output channels, each of which features Photocouple isolation. The I-7045(D)/M-7045(D) supports sourcetype output, while the I..
174.00 €
PETL-7060 CR - Ethernet I/O Module with 1 Ethernet PoE port, 6 Power Relay Digital Outputs and 6 Isolated Digital Inputs PETL-7060 CR - Ethernet I/O Module with 1 Ethernet PoE port, 6 Power Relay Digital Outputs and 6 Isolated Digital Inputs
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: PETL-7060 CR
Ethernet I/O Module with 1 Ethernet PoE port, 6 Power Relay Digital Outputs and 6 Isolated Digital Inputs. The PETL-7060 is an Ethernet I/O module, and features a web server providing configuration, I/O monitoring and control by simply using a web browser. The PETL-7060..
174.00 €
I-87061W CR - 16-channel Power Relay Output Module I-87061W CR - 16-channel Power Relay Output Module
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-87061W CR
16-channel Power Relay Output Module. The I-87061W is a 16-channel power relay output module with the output channels partitioned into four groups, where each group provides four channels that share a single COM point. Both the I-87061W and I-87061PW modules include 16 ..
176.00 €
M-7051D CR - 16-channel Isolated Digital Input Module using the DCON and Modbus Protocols with LED Display M-7051D CR - 16-channel Isolated Digital Input Module using the DCON and Modbus Protocols with LED Display
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: M-7051D CR
16-channel Isolated Digital Input Module using the DCON and Modbus Protocols with LED Display.The I-7051 offers 16 channels for digital input, catering for both dry and wet contact, with an effective distance for dry contact of up to 500 meters. All channels not only fe..
176.00 €
M-7054PD CR - 16-channel Isolated Universal Digital Input/Output Module using the DCON and Modbus Protocols with High Load Current Output and LED M-7054PD CR - 16-channel Isolated Universal Digital Input/Output Module using the DCON and Modbus Protocols with High Load Current Output and LED
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: M-7054PD CR
16-channel Isolated Universal Digital Input/Output Module using the DCON and Modbus Protocols with High Load Current Output and LED Display. The M-7054(P) provides 16 channels for universal Digital Input/Output, which can be selected via wire connections. The Digital In..
176.00 €
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