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In a smart building, lighting, heating, ventilation, energy metering and access control work together. The individual systems exchange data over buses such as KNX, DALI or Modbus, and most of the electronics sit on DIN rails in the distribution cabinet. That is why the supported communication standard, mounting method, power supply and sensor accuracy are decisive in the design.
On this page we have grouped components for lighting control, HVAC, energy management, access control and security systems. They include control modules, presence and air quality sensors, energy meters, wireless modules, RFID readers, sirens, power supplies and control panels.
The core of the system consists of DIN rail control components. WAGO offers a KNX IP controller, a KNX/EIB/TP1 interface module, a 12 mm wide DALI/DSI master module and a PFC200 IP controller with an RS-232/-485 interface. For smaller projects, there is the Arduino Opta PLC with Ethernet, RS-485 and Wi-Fi.
Lights switch on according to motion and the level of daylight. Finder motion sensors for 230 V AC switch loads up to 10 A and cover an angle of 110° over a distance of 8 m. The light threshold is adjustable from 5 to 350 lx, with wall and ceiling-mounted types available. WAGO sensors are designed for DALI systems. In corridors, a Finder staircase timer for 16 A does the job.
Demand-controlled ventilation based on actual room occupancy needs a CO2 concentration reading. Sensirion SCD41 CO2 sensors and the SCD30 NDIR module, which also measures temperature and humidity, are factory calibrated. For heat pumps and air conditioners, sensors calibrated for R-32 and R-454B refrigerants are available. Pressure in air handling systems is measured by the SDP810 differential pressure sensor with a range of ±500 Pa.
DIN rail energy meters provide the data for energy management. The Finder 7M.24 single-phase meter for 40 A is 17.5 mm wide and has an RS485 Modbus interface, NFC and MID certification. For reading meters over wireless M-Bus, there is an IMST USB adapter for the 868 MHz band.
Wireless sensors and controls connect via RF modules. Quectel offers a Zigbee 3.0 module with BLE 5.4 and wireless M-Bus modules for 868 MHz and 433 MHz. Aurel supplies LoRa transmitters and a decoder with four outputs for 868 MHz, and Lantronix the xPico 250 embedded Wi-Fi gateway.
Access to the building is controlled by ACM RFID readers for 125 kHz. Examples include a type with IP65 protection and a Wiegand 26 output, a reader with a keypad and a standalone unit for 1600 users. Alarms are sounded by Sonitron piezo sirens with IP67 protection and 105 to 112 dB for 6 to 15 V DC or 12 to 24 V DC supply. Backup power for the control panel is covered by a Yuasa 12 V/4 Ah lead-acid battery.
Modules, sensors and controls in the cabinet are powered by TRACOPOWER DIN rail power supplies with a 24 V output and 15 W to 480 W, with further types from WAGO. Power over the Ethernet cable is possible with a WIZnet PoE module to IEEE 802.3af.
For wall-mounted control and visualisation, Lexsystem panel PCs with a 10.1" display, 1280 × 800 resolution and an operating range of -20 to 60 °C can be used. Display Visions intelligent TFT displays from 3.5" to 7" with capacitive touch are designed for custom control units. Data is processed locally by AAEON UP compact computers with an Intel N97 processor.
Sonitron’s family of THT piezo buzzers has grown to include a modern SMD variant. This latest evolution delivers serious acoustic punch in a compact footprint, maintaining rock-solid performance even in harsh operating environments.
Supplying components to nuclear facilities demands absolute precision and zero compromise. Following a comprehensive supplier audit, we have officially earned full authorisation to supply low-voltage as well as measurement and control equipment to CEZ, a. s. right through to 2029.
German-based Sigmann Elektronik GmbH has spent over 50 years focusing on in-house development, precision manufacturing, and long-term partnerships. How did they establish such a firm foothold in industrial electronics, and what lies ahead on their technology roadmap?
We will help you put together the components for a specific building system, from sensors to power supply. For many products, you can request a sample to test in your prototype. Describe your project in the form and we will get back to you with a proposed solution.
