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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.


I-7041PD CR I-7041PD CR
Quantity discount 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 connections, and all channels are able to be used as 16-bit counters. The I-7041D and I-7041PD include 14 LED indicators that can be used for DI channel status monitoring. 4 kV ESD pro..
662,70 zł
I-87054W CR I-87054W CR
Quantity discount 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 wire connections, and all Digital Input channels are also able to be used as 16-bit counters. The I-87054W supports sink-type output with short circuit protection. The I-87054W inc..
662,70 zł
M-7064 CR M-7064 CR
Quantity discount 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 Relay Output values to be configured. 8 kV ESD, 4 kV EFT and 3 kV surge protection are also provided to enhance noise protection capabilities in industrial environments, making the ..
662,70 zł
M-7068 CR M-7068 CR
Quantity discount 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 relay output channels. Both include 8 LED indicators that can be used to monitor the relay output status, and options are provided that allow power-on and safe digital output values..
662,70 zł
I-7510A CR I-7510A CR
Quantity discount 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. Additionally, an RS-485 system can be expanded beyond the 256 node limitation imposed by the standard. It can also be used to convert a four-wire RS-422 signal into a 2-wire RS-485 signal, ..
667,40 zł
I-7561 - isolated USB to RS-232/422/485 converter
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-7561 CR
Industrial USB to RS-232/422/485 Converter The I-7561 is an advanced isolated USB to RS-232/422/485 converter that enables reliable and stable communication between PCs and industrial devices. With 3000 VDC galvanic isolation, the device effectively protects systems from interference, surges, and potential differences, ensuring secure data transmission even in demanding industrial environments. The I-7561 converter supports USB 1.1/..
667,40 zł
tM-7510U CR tM-7510U CR
Quantity discount 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 provides 2500 VDC of isolation allowing you to separate and protect critical segments of the system from the rest of the RS- 485 network.The tM-7510U provides 2 modes of baud rate ..
667,40 zł
MC201-F(M)
6 year warranty Quantity discount 5-10 days
Brand: 3onedata Model: MC201-F(M)
CAN bus to multi-mode fiber converter (SC/ST), transmission distance up to 2 km, 5VDC power supply. MC201-F allows you to extend CAN bus communication at distances up to 20 km depending on the type of optical fiber. The converter has an external 5VDC power supply and a wide operating temperature range from -40°C to 75°C which in combination with a metal housing allows it to be used in industrial conditions. The converter will find its applicatio..
671,40 zł
I-7059D CR I-7059D CR
Quantity discount 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 used as 16-bit counters. The I-7058D/I-7059D module has 8 LED indicators fthat can be used to monitor the status of the DI channels. ESD protection of ±4 kV and 3750 VDC intra-modu..
672,10 zł
I-7060 CR I-7060 CR
Quantity discount 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 power relay output channels. All digital input channels can be used as 16-bit counters. In addition, the digital input channels can be selected either as sink- or source-type via w..
672,10 zł
M-7041P CR M-7041P CR
Quantity discount 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 connections, and all channels are able to be used as 16-bit counters. The I-7041D and I-7041PD include 14 LED indicators that can be used for DI channel status monitoring. 4 kV ESD protectio..
672,10 zł
M-7041PD CR M-7041PD CR
Quantity discount 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 wire connections, and all channels are able to be used as 16-bit counters. The I-7041D and I-7041PD include 14 LED indicators that can be used for DI channel status monitoring. 4 ..
672,10 zł
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