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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.


ET-7202 CR ET-7202 CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: ET-7202 CR
Ethernet I/O Industrial Module with 2 Ethernet Ports, 3-ch Analog Inputs, 6-ch Digital Inputs and 3-ch Relay. The ET-7002/PET-7002/ET-7202/PET-7202 is a multi-function module with 3-channel analog inputs, 6-channel digital inputs and 3-channel relay outputs. It provides various programmable analog inputs (+/-150 mV, +/-500 mV, +/-1 V, +/-5 V, +/-10 V, +/-20 mA, 0 ~ 20 mA and 4 ~ 20 mA).Each analog input is allowed to configure a proper range with..
1,739.00 zł
PET-7224 CR PET-7224 CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: PET-7224 CR
Ethernet PoE I/O Module with 2 Ethernet PoE Ports, 4 Analog Outputs, 5 Digital Inputs and 5 Digital Outputs. The ET-7024/PET-7024/ET-7224/PET-7224 is a multifunction module includes 4 channels analog output, 5 channels digital input and 5 channels digital output. It provides a variety of programmable analog output options (+/-5 V, +/-10 V, 0 ~ 20 mA and 4 ~ 20 mA), and each analog output can be programmed to accept either current or voltage as ou..
1,739.00 zł
ET-7019 CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: ET-7019 CR
Ethernet I/O Module with 1 Ethernet port, 8 Universal Analog Inputs and 4 Digital Outputs. The ET-7019/PET-7019 features an extremely excellent protection mechanism where overvoltage protection is up to 240 Vrms. It has wider input range for voltage compared to ET-7017. ET-7019/PET-7019 measures voltage from +/-15 mV ~ +/-10 V. Its input type also includes current and thermocouple. An intuitive design is built in this model, measuring current or ..
1,748.40 zł
NSM-200SX2 CR NSM-200SX2 CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: NSM-200SX2 CR
Industrial 1000Base-T to 1000Base-SX Fiber Converter, Multi-mode 1310 nm, 2 km, SC connector. ICP DAS's line of feature rich 10/100/1000 SFP Media Converters transparently connects copper to SFP for multimode or single mode fiber. Our 10/100/1000 Ethernet to Fiber Converters provide an economical path to extend the distance of an existing network, the life of non-fiber based equipment, or the distance between two devices. The pluggable fiber opti..
1,748.40 zł
CAN-2026C CR CAN-2026C CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: CAN-2026C CR
CANopen slave module with 6 Analog Inputs, 2 Analog Outputs, 1 Digital Output and 2 Digital Inputs. CAN-2026C module follows the CiA-301 version 4.02 and CiA-401 version 2.1. You can access the analog/digital I/O status and set the configuration by using standard CANopen protocol. CAN-2026C has passed the validation of the CiA CANopen conformance test tool. Therefore, you can use it with standard CANopen master easily by applying the EDS file.CAN..
1,757.80 zł
I-7540D-MTCP CR I-7540D-MTCP CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-7540D-MTCP CR
Intelligent CAN to Ethernet/Modbus TCP/Modbus RTU Converter. The I-7540D-MTCP is helpful for data exchanging between the Modbus devices and CAN devices. I-7540D-MTCP is a Modbus TCP server and acts as slave device in Modbus RTU network. It supports four communication modes: Modbus TCP, Modbus RTU, CAN-Ethernet Convert and Pair connection.The major function of the I-7540D-MTCP is CAN to Modbus TCP/RTU gateway. It allows Modbus TCP/RTU device to co..
1,781.30 zł
I-7540DM CR I-7540DM CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-7540DM CR
Industrial Intelligent CAN to Ethernet Converter with Metal Casing. The I-7540DM is a CAN to Ethernet converter, and is usually applied as an Ethernet to CAN/RS-232/485 Device Server. It supports socket access functions and virtual COM port technology which helps users to get the CAN, RS-232, RS-485 data via virtual COM port.The I-7540DM also provides transparent mode, which enables CAN networks to be coupled together over the Internet/Ethernet, ..
1,781.30 zł
ET-7218Z/S CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: ET-7218Z/S CR
Ethernet I/O Module with 2 Ethernet Ports, 10 Thermocouple Inputs and 3 Digital Outputs. The ET-7018Z/PET-7018Z/ET-7218Z/PET-7218Z is specifically designed for extremely accurate thermocouple measurement and features automatic coldjunction compensation for each channel to ensure temperature output consistency and stable temperature output in the field. Current input and voltage input are both supported. Another feature is that its ten input chann..
1,786.00 zł
PET-7226 CR PET-7226 CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: PET-7226 CR
Ethernet I/O Module with 2 Ethernet PoE Ports, 6 Analog Inputs, 2 Analog Outputs, 2 Digital Inputs and 2 Digital Outputs. The ET-7026/PET-7026/ET-7226/PET-7226 is a multi-function module with 6-channel analog inputs, 2-channel analog outputs, 2-channel digital inputs and 2-channel digital outputs. It provides various programmable analog inputs (+/-500 mV, +/-1 V, +/-5 V, +/-10 V, +/-20 mA, 0 ~ 20 mA and 4 ~ 20 mA), and analog outputs (+/-5 V, +/-..
1,786.00 zł
WISE-7526M CR WISE-7526M CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: WISE-7526M CR
MQTT PoE I/O Module with 6 Analog Inputs, 2 Analog Outputs, 2 Digital Inputs, 2 Digital Outputs and 2-port Ethernet Switch. WISE-7526M is a multi-function module with 6-channel analog inputs, 2-channel analog outputs, 2-channel digital inputs and 2-channel digital outputs. It provides various programmable analog inputs, and analog outputs. Each analog input is allowed to configure a proper range with 240 Vrms high voltage protection. WISE-7526M f..
1,786.00 zł
I-7232D CR I-7232D CR
Shipping 24h Test for Free! Quantity discount Warranty 12 months
Brand: ICPDAS Model: I-7232D CR
CANopen Slave to Modbus RTU Converter. The I-7232D is a CANopen slave to Modbus RTU master gateway, and allows a CANopen master to have ability to access the Modbus slave devices. In the CANopen network, the I-7232D is a NMT slave, SDO server, PDO producer, and PDO consumer. From the view of the Modbus network, it is a Modbus RTU master which polls all the predefi ned data of the Modbus RTU slaves, and bypass the CANopen control commands to the M..
1,800.10 zł
BASRT-B
3 year warranty 5-10 days
Brand: Contemporary Controls Model: BASRT-B
Industrial BACnet Multi-Network Router with 1 Ethernet port and 1 MS/TP port. The BAS Router provides stand-alone routing between BACnet networks such as BACnet/IP, BACnet Ethernet, and BACnet MS/TP-thereby allowing the system integrator to mix BACnet network technologies within a single BACnet internetwork. There are two physical communication ports on the BAS Router. One is a 10/100 Mbps Ethernet port and the other an isolated MS/TP port. Confi..
1,804.80 zł
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