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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-87019PW CR I-87019PW CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-87019PW CR
8-channel Universal Analog Input Module. Includes the I-87019PW Module and a CN-1824 Daughter Board. The I-87019PW-G/S is a 8-channel universal analog input module with an RS-485 interface that is a specially designed for extremely accurate thermocouple measurement and features automatic cold-junction compensation for each channel to ensure temperature output consistency and stable temperature output in the field. The innovative design of the enh..
1,457.00 zł
M-7019R CR M-7019R CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: M-7019R CR
8-channel Universal Analog Input Module using the DCON and Modbus Protocols. The I-7019R is an Analog Input module that includes 8 differential Analog Input channels. Voltage, current or thermocouple input can be selected for all Analog Input channels via a jumper and each channel can be configured for an individual range. The voltage input range can be from ±15 mV to 10 V, the current input range can be either +4 to +20 mA, 0 to +20 mA, or ±20 m..
1,457.00 zł
NP5000-2T-4DI(RS-485)-TB-P(12-48VDC)
6 year warranty Quantity discount 5-10 days
Brand: 3onedata Model: NP5000-2T-4DI(RS-485)-TB-P(12-48VDC)
Industrial Serial Port Connecting Server with 2 100M Ethernet ports and 4 serial ports RS-485 and SSH security functionNP5000-2T-4DI(RS-485)-TB-P(12-48VDC) is serial device server that can make serial device be equipped with networking capability instantly and centrally manage the scattered serial devices and hosts via network. This product supports 4 RS-485 serial ports to 2 10/100Base-T(X) self-adaptive Ethernet port. It adopts desktop/wall mou..
1,457.00 zł
PET-7015 CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: PET-7015 CR
Ethernet PoE I/O Module with 1 Ethernet PoE Port and 7-ch RTD Inputs. The ET-7015/PET-7015/ET-7215/PET-7215 is specifically designed for long-distance RTD measurement. It features automatic compensation for three-wire RTD regardless of the length of wires and provides open wire detection for RTD measurement. The ET-7015/PET-7015/ET-7215/PET-7215 offers 7 channels, each of which could be connected with different kinds of RTD (Pt100, Pt1000, Ni120,..
1,466.40 zł
EIMK-100TF
3 year warranty 5-10 days
Brand: Contemporary Controls Model: EIMK-100TF
Industrial Media Converter with 2 Ethernet ports and 1 Fiber port. The EIMK Skorpion Media Converter series makes the conversion of an Ethernet copper segment to fiber simple. By operating fullduplex at 100 Mbps provides the highest possible performance on 100 Mbps links. Therefore performance is enhanced by not introducing the store-and-forward data latency inherent in a switch. Each of the three models supports full-duplex operation for 100BASE..
1,471.10 zł
ET-7217 CR ET-7217 CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: ET-7217 CR
Ethernet I/O Module with 2 Ethernet Ports, 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 (+/-150 mV, +/-500 mV, +/-1 V, +/-5 V, +/-10 V, +/-20 mA, 0 ~ 20 mA and 4 ~ 20 mA) and digital output can be set alarm output with Short-circuit protection and overload protection.Ea..
1,475.80 zł
I-7016D CR I-7016D CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-7016D CR
2-channel Strain Gauge Input Module using the DCON Protocol with LED Display. The I-7016 not only can process the module data from a load cell or a strain gauge, it also features linear mapping that can be used to directly convert the resulting data into weight via a user-defined correspondent table. The I-7016 supports full-bridge strain gauges and provides 2 Analog Input channels, 1 excitation voltage output channel, 2 Digital Input channels an..
1,475.80 zł
M-7026 CR M-7026 CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: M-7026 CR
6-channel Analog Input, 2-channel Analog Output, 3-channel Digital Input and 3-channel Digital Output Industrial Module Using the DCON and Modbus Protocols. The M-7026 is a multifunction module that includes 6 analog input channels, 2 analog output channels, 3 digital input channels, 3 digital output channels. It provides a programmable input range on all analog input (+/-150 mV, +/-500 mV, +/-1 V, +/-5 V, +/-10 V, +/-20 mA or 0 ~ +20 mA), analog..
1,475.80 zł
INBACHIT001R000 – Hitachi VRF to BACnet IP/MSTP Gateway for 1 Unit
3 year warranty Quantity discount 5-7 days
Brand: Intesis Model: INBACHIT001R000
INBACHIT001R000 – Hitachi VRF to BACnet IP/MSTP Gateway for 1 Unit.  The INBACHIT001R000 is a professional-grade communication interface developed by Intesis by HMS, designed to integrate Hitachi VRF air conditioning systems with BACnet IP and BACnet MS/TP networks. This compact, DIN-rail mountable device ensures full bi-directional communication and control of a single indoor unit, making it ideal for BMS or automation projects in comm..
1,485.20 zł
INBACMHI001R000 – BACnet gateway for Mitsubishi Heavy Industries air conditioners
New 3 year warranty Quantity discount 5-7 days
Brand: Intesis Model: INBACMHI001R000
INBACMHI001R000 – BACnet gateway for Mitsubishi Heavy Industries RAC, FD, KX6 and KXR6 systems The INBACMHI001R000 gateway provides seamless integration of Mitsubishi Heavy Industries air conditioning units with building management systems using BACnet IP and BACnet MS/TP. It enables two-way communication, allowing remote control, monitoring, automation and advanced BMS scripting for both indoor units and VRF systems. For RAC unit..
1,485.20 zł
ME-AC-BAC-1 (INBACMIT001I000) ME-AC-BAC-1 (INBACMIT001I000)
3 year warranty Quantity discount 5-7 days
Brand: Intesis Model: ME-AC-BAC-1
Mitsubishi Electric AC units to BACnet Interface. IntesisBox ME-AC-BAC-1 (INBACMIT001I000)  interface allows a complete and natural integration of Mitsubishi Electric air conditioners into either BACnet IP or MS/TP networks. Compatible with Domestic (RAC), Mr Slim and City Multi line models commercialized by Mitsubishi Electric.The ME-AC-BAC-1 (INBACMIT001I000)  gateway is wired directly to an indoor unit. This allows not only the contr..
1,485.20 zł
MH-RC-BAC-1 (INBACMHI001R000) MH-RC-BAC-1 (INBACMHI001R000)
3 year warranty Quantity discount 5-7 days
Brand: Intesis Model: MH-RC-BAC-1
Mitsubishi Heavy Industries AC units to BACnet Interface. IntesisBox MH-RC-BAC-1 (INBACMHI001R000) interface allows a complete and natural integration of Mitsubishi Heavy Industries air conditioners into either BACnet IP or MS/TP networks. Compatible with Mitsubishi Heavy Industries FD and KX6 (VRV) models commercialized by Mitsubishi Heavy Industries.The MH-RC-BAC-1 (INBACMHI001R000) gateway is wired directly to an indoor unit. This allows not o..
1,485.20 zł
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