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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.


CAN-2088C CR CAN-2088C CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: CAN-2088C CR
CANopen Slave Module with 8 PWM and 8 Digital Inputs with High-Speed Counters. PWM (Pulse width modulation) is a powerful technique for controlling analog circuits. It uses digital outputs to generate a waveform with variant duty cycle and frequency to control analog ci..
1 264,30 zł
CAN-2088D CR CAN-2088D CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: CAN-2088D CR
DeviceNet Slave Module with 8-channel PWM and 8-channel Digital Input with High-Speed Counters. PWM (Pulse width modulation) is a powerful technique for controlling analog circuits. It uses digital outputs to generate a waveform with variant duty cycle and frequency..
1 264,30 zł
Fujitsu RAC and VRF systems to Modbus RTU Interface (to CN connector) - FJ-AC-MBS-1 (INMBSFGL001I000) Fujitsu RAC and VRF systems to Modbus RTU Interface (to CN connector) - FJ-AC-MBS-1 (INMBSFGL001I000)
3 year warranty 5-7 days
Brand: Intesis Model: FJ-AC-MBS-1
Fujitsu RAC and VRF systems to Modbus RTU Interface (to CN connector). The Fujitsu-Modbus gateway INMBSFGL001I000 allows fully bi-directional communication between Fujitsu RAC and VRF systems and Modbus RTU (RS-485) networks. The INMBSFGL001I000 is wired directly to an ..
1 264,30 zł
I-87017DW CR I-87017DW CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-87017DW CR
8-channel Differential/16-channel Single-ended Analog Input Module. The I-87017DW is a 8-channel differential/16-channel single-ended analog input module. The analog input range is software selectable and supports +/-10 V, +/-5 V, +/-1 V, +/-500 mV, +/-150 mV, 0 ~ +20 m..
1 264,30 zł
I-87089W CR I-87089W CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: I-87089W CR
1/8-channel Vibrating Wire Input Module. The vibrating wire sensor has a wire which is initially plucked by a series of electrical magnetic forces from a coil. The conductive wire after plucking is vibrating in a magnetic field. The wire will disturb the field, and then..
1 264,30 zł
M-7013PD CR M-7013PD CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: M-7013PD CR
1-channel RTD Input Module using the DCON and Modbus Protocols with 7-segment LED Display. The I-7013(D) and M-7013P(D) is a 1-channel RTD Input module that is used for measuring temperatures via an RTD sensor and supports Pt100, Ni120, and Pt1000 type sensors. The modu..
1 264,30 zł
WISE-7255 CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: WISE-7255 CR
Ethernet PoE I/O Module with 8-channel Isolated Source Type Open Collector Output and 8-channel Digital Input. WISE-7255 follows IEEE 802.3af-compliant (classification, Class 1) Power over Ethernet (PoE) specification. It allows receiving power from PoE enabled network ..
1 264,30 zł
INKNXMIT001I200 – Mitsubishi Electric to KNX Gateway for 1 Indoor Unit
New 3 year warranty 5-7 days
Brand: Intesis Model: INKNXMIT001I200
Mitsubishi Electric to KNX gateway – 1 indoor unit.The INKNXMIT001I200 industrial gateway from Intesis  is designed for fully bidirectional integration of Mitsubishi Electric air conditioning systems with KNX TP building automation installations. ..
1 269,00 zł
MQ-7255M CR MQ-7255M CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: MQ-7255M CR
MQTT I/O Module with 2-port Ethernet Switch, 8 Digital Inputs (Dry/Wet contact) and 8 Digital Outputs. The MQ-7244M, MQ-7252M and MQ-7255M are Ethernet I/O devices equipped with 8-channel DI and 8-channel DO, as well as the MQTT protocol is supported for connecting with..
1 269,00 zł
CAN-8123 CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: CAN-8123 CR
CANopen Remote I/O Unit with 1 Expansion Slot. The CAN-8x23 main control unit is specially designed for the slave device of CANopen protocol. It follows the CANopen Spec DS-301 V4.02 and DSP-401 V2.1, and supplies many features for users, such as dynamic PDO, EMCY objec..
1 273,70 zł
CAN-8124
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: CAN-8124
DeviceNet Remote I/O Unit with 1 I/O Expansion Slot. The CAN-8124/CAN-8224 main control unit is specially designed for the slave device of DeviceNet protocol. It follows the Specification of DeviceNet. In order to expand I/O channel more flexible, an CAN-8x24 supports 1..
1 273,70 zł
ET-7005 CR ET-7005 CR
Warranty 12 months 2-3 weeks
Brand: ICPDAS Model: ET-7005 CR
Ethernet I/O Module with 1 Ethernet port, 8-ch Thermistor Inputs and 4-ch Digital Outputs. ET-7005/PET-7005 is used for measuring temperature by the thermistor. It supports many kinds of thermistors and features individual channel configuration which means that eight of..
1 273,70 zł
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