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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.


HD67182FSX
2 year warranty Quantity discount 3-4 days
Brand: ADF Web Model: HD67182FSX
Industrial J1939 and NMEA 2000 to Optic Fiber Converter, ST connector, multi-mode, housing type A (slim), DIN rail mount. HD67182F and the HD67182FSX are CAN repeaters, specific for J1939 and NMEA 2000 protocols.Characteristics:Electrical isolation ISO 11898/ISO IEC 11801Allows extension of a line segment (without lowering the Baud Rate)Possible different baud rate setting (into different branches)Multi-Mode Optic Fiber up to 2000 metersSpecifica..
1 339,50 zł
HD67516-A1-232 - Modbus Slave to Modbus TCP Master converter, 2x Ethernet, RS232, DIN rail, 8–35VDC, triple isolation, housing type A
2 year warranty Quantity discount 3-4 days
Brand: ADF Web Model: HD67516-A1-232
Industrial Modbus Slave to Modbus TCP Master converter with two Ethernet ports, housing type A (slim), DIN rail mount. The HD67516-A1-232 is a high-performance Modbus Slave to Modbus TCP Master converter designed for industrial environments where reliable communication between Modbus RTU Masters and multiple Modbus TCP Slaves is required. Equipped with two Ethernet ports, the device integrates an internal Ethernet switch, allowing daisy-ch..
1 339,50 zł
HD67516-A1-485 - Modbus Slave to Modbus TCP Master converter, 2x Ethernet, RS485, DIN rail mount, triple isolation, housing type A
2 year warranty Quantity discount 3-4 days
Brand: ADF Web Model: HD67516-A1-485
Industrial Modbus Slave to Modbus TCP Master converter with two Ethernet ports, housing type A (slim), DIN rail mount. The HD67516-A1-485 is a reliable Modbus Slave to Modbus TCP Master converter designed for modern automation networks requiring stable communication between Modbus RTU Masters and multiple Modbus TCP Slaves. Featuring two integrated Ethernet ports, it incorporates an internal Ethernet switch, enabling daisy-chain connection..
1 339,50 zł
I-7018R CR I-7018R CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-7018R CR
8-channel Analog Input Module using the DCON Protocol with High Voltage Protection. The I-7018/M-7018 is an 8-channel Analog Input module that provides current and voltage input, as well as thermocouple input. The I-7018R/M-7018R is an upgraded version of the I-7018/M-7018 that includes an extremely high-quality protection mechanism where the overvoltage protection can be as high as 240 Vrms. The I-7018R/M-7018R is more suitable for critically ha..
1 339,50 zł
I-87018PW CR I-87018PW CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-87018PW CR
8-channel Thermocouple Input Module. Includes the I-87018PW Module and a CN-1824 Daughter Board. The I-87018PW-G/S is an 8-channel thermocouple input module. The analog input range is software selectable and supports +/-15 mV, +/-100 mV, +/-500 mV, +/-1 V, +/-2.5 V, 0 ~ +20 mA, +4 ~ +20 mA or +/-20 mA, and thermocouples of type J, K, T, E, R, S, B, N, C, L, M, and LDIN43710. It features automatic cold-junction compensation for each channel, and s..
1 339,50 zł
M-7024 CR M-7024 CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: M-7024 CR
4-channel Analog Output Module using the DCON and Modbus Protocol. The I-7024 is a 14-bit 4-channel analog output module that provides current and voltage outputs. There are options for power-on values and safe values. It features 3000 VDC intra-module isolation. The I-7024R is the same as the I-7024 and provides additional 5-channel digital inputs and 4 KV ESD protection on each terminal. The M-7024/M-7024R support Modbus RTU and DCON protocols ..
1 339,50 zł
NP318T-8DI(RS-485)
Shipping 24h Test for Free!
Model: NP318T-8DI(RS-485)
Industrial Serial Device Server with 8 RS-485 ports and 2 Ethernet ports.NP318T-8DI (RS-485) is a high performance, industrial grade serial to Ethernet server, it can satisfy some kinds of customer requirements in consumption, temperature, volume and handle ability. It provides 8 port RS-485/422(RS-485/422 connector: 5 bit terminal block) and 2 port 10/100Base-Tx Ethernet, can focus manage disperse serial device, master through network, easy, con..
1 339,50 zł
I-7522D CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-7522D CR
Programmable Intelligent Communication Controller with LED Display. 1x 5-wire RS-232 or 2-wire RS-485, 1x RS-232 port and 1x RS-485 port. Onboard 1 KB Queue bufferThe I-752N series module is equipped with a 1 KB queue buffer for its local RS-232 device. All input data can be stored in the queue buffer until the Host PC has time to read it. This feature allows the Host PC to link thousands of RS-232 devices without any loss of data.3000V isolation..
1 344,20 zł
I-7523 CR I-7523 CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-7523 CR
Programmable Intelligent Communication Controller. 1x 5-wire RS-232 or 2-wire RS-485, 2x RS-232 ports and 1 RS-485 port.Onboard 1 KB Queue bufferThe I-752N series module is equipped with a 1 KB queue buffer for its local RS-232 device. All input data can be stored in the queue buffer until the Host PC has time to read it. This feature allows the Host PC to link thousands of RS-232 devices without any loss of data.3000V isolation on RS-485 sideCO..
1 344,20 zł
ECAT-2028 CR ECAT-2028 CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: ECAT-2028 CR
EtherCAT Slave I/O Module with Isolated 8-ch Analog Output. The ECAT-2000 is equipped with the EtherCAT protocol and installed by daisy chain connection which permits the flexibility in devices installation and reduces infrastructure and operation costs. All the modules can be deployed in the network topologies such as star, line or ring. The isolation input and output design protects the ECAT-2000 against the harmful interference and environment..
1 348,90 zł
ET-7083 CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: ET-7083 CR
Ethernet I/O Module with 1 Ethernet Port and 3 Encoder/Counter Inputs. The ET-7083/PET-7083 is a 3-axis high speed encoder/counter module. Its each axis can be individually configured for Quadrant, Pulse/Direction or CW/CCW counting modes. The maximum input rate for Quadrant counting mode is 1 MHz, and for Pulse/Direction, CW/CCW counting modes is 4 MHz.The encoder/counter module is equipped a FRAM to retain the counter value after it is powered ..
1 348,90 zł
I-87024CW CR I-87024CW CR
Quantity discount Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-87024CW CR
4-channel 12-bit Isolated Source Type Voltage or Current Output Module. The I-87024CW is a 4-channel current output module that features channel-to-channel isolation and also has qualification for 4 KV ESD protection and 1000 VDC intra-module isolation. Options for configuring power-on and safe values are also included.The I-87024UW is a source type analog output module that includes 4 single-ended analog output channels, and provides options for..
1 348,90 zł
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