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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.


IN770AIR00MO000 - Multi-brand AC Interface with Modbus, KNX, Serial and IP, 64 indoor units
3 year warranty -10 % 5-7 days
Brand: Intesis Model: IN770AIR00MO000
Multi-brand AC interface with Modbus, KNX, Serial and IP integration.  The IN770AIR00MO000 is a universal multi-brand HVAC gateway designed for integrating VRF and multi-split systems from leading manufacturers such as BOSCH, Daikin, Hisense, Hitachi, Mi..
12,329.10 zł 13,699.00 zł
IN775FGL00MO000 - Fujitsu VRF to KNX, Modbus, BACnet Gateway
3 year warranty -10 % 5-7 days
Brand: Intesis Model: IN775FGL00MO000
Fujitsu VRF Gateway for Home Automation (64 IU).  The IN775FGL00MO000 interface is designed to provide seamless integration of Fujitsu VRF systems with smart home automation solutions. This powerful gateway enables bi-directional control and monitor..
12,647.70 zł 14,053.00 zł
IN776MHI00MO000 - Mitsubishi Heavy Industries VRF Gateway (64 Indoor / 12 Outdoor Units)
3 year warranty -10 % 5-7 days
Brand: Intesis Model: IN776MHI00MO000
Mitsubishi Heavy Industries VRF Gateway for KNX, Modbus & BACnet. The IN776MHI00MO000 interface is a professional gateway that brings Mitsubishi Heavy Industries VRF air-conditioning systems into the world of advanced building automation. By nativ..
14,170.50 zł 15,745.00 zł
INKNXHAI064C000 - Haier VRF to KNX Gateway 64 Indoor Units
3 year warranty -10 % 5-7 days
Brand: Intesis Model: INKNXHAI064C000
Haier VRF to KNX Gateway 64 Indoor Units. The INKNXHAI064C000 interface from Intesis is an industrial-grade gateway that brings full, bidirectional integration between Haier VRF and commercial line air-conditioning systems and the KNX building-automation worl..
14,382.00 zł 15,980.00 zł
INKNXACA064I000 - Bosch VRF and Commercial interface to KNX 64 units
3 year warranty -10 % 5-7 days
Brand: Intesis Model: INKNXACA064I000
Bosch Commercial & VRF systems to KNX Interface – 64 Units. The INKNXACA064I000 interface provides full bi-directional communication between Bosch Commercial and VRF air conditioning systems and KNX building automation networks. Supporting up to 64 indoor..
14,466.60 zł 16,074.00 zł
INKNXLGE064O000 - Module for LG VRF air conditioners for KNX for 64 units -
3 year warranty -10 % 5-7 days
Brand: Intesis Model: INKNXLGE064O000
LG VRF systems to KNX Gateway up to 64 units.The INKNXLGE064O000 gateway from Intesis provides bidirectional integration between LG VRF air conditioning systems and KNX building automation. Designed for industrial and commercial applications, this compact and ef..
14,614.65 zł 16,238.50 zł
IN771AIR00LO000 - Panasonic to KNX Gateway for ECOi, ECOg, PACi Integration
3 year warranty -10 % 5-7 days
Brand: Intesis Model: IN771AIR00LO000
Gateway for up to 128 Panasonic ECOi/ECOg/PACi Indoor Units & 64 Outdoor Units.  The IN771AIR00LO000 interface delivers full, bidirectional integration of Panasonic ECOi, ECOg and PACi VRF systems with any KNX-based BMS or home-automation installatio..
14,805.00 zł 16,450.00 zł
INKNXTOS064O000 - Toshiba TCC-Link interface to KNX, 64 indoor units
3 year warranty -10 % 5-7 days
Brand: Intesis Model: INKNXTOS064O000
Toshiba VRF TCC-Link to KNX Interface for 64 Indoor Units. The INKNXTOS064O000 gateway by Intesis is a robust and versatile communication interface designed to enable bidirectional control and monitoring of Toshiba VRF systems through TCC-Link from any KNX-ba..
15,545.25 zł 17,272.50 zł
EB/DNET-CXB
3 year warranty 5-10 days
Brand: Contemporary Controls Model: EB/DNET-CXB
Fieldbus extender for DeviceNet with coaxial cabling. The EXTEND-A-BUS Series can extend DeviceNet up to six kilometers-linking individual DeviceNet subnets together into a single larger network.Each EXTEND-A-BUS unit creates a DeviceNet subnet and at least two units ar..
18,048.00 zł
IN776MHI00LO000 - Mitsubishi Heavy Industries to KNX, Modbus, BACnet Gateway
3 year warranty -10 % 5-7 days
Brand: Intesis Model: IN776MHI00LO000
Mitsubishi Heavy Industries to KNX, Modbus, BACnet Gateway. The IN776MHI00LO000 gateway by Intesis is a robust communication interface designed to integrate Mitsubishi Heavy Industries VRF systems with advanced home and building automation networks. Supportin..
17,343.00 zł 19,270.00 zł
EB/DNET-FOG
3 year warranty 5-10 days
Brand: Contemporary Controls Model: EB/DNET-FOG
Fieldbus extender for DeviceNet with optic fiber cabling. The EXTEND-A-BUS Series can extend DeviceNet up to six kilometers-linking individual DeviceNet subnets together into a single larger network.Each EXTEND-A-BUS unit creates a DeviceNet subnet and at least two unit..
22,075.90 zł
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