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TriBox 3

4-way controller

Contrôleur TriBox 3

4-channel display and control unit for digital sensors.


Digital controller equipped with 4 RS232 or RS485 type sensor interfaces, enabling the sensors to be supplied, reception, display (digital or graphic) and recording of measurement data.

The TriBox 3 has the Modbus / RTU protocol for communication with the sensors and also responds to Modbus / TCP commands. It thus offers several communication interfaces such as an IEEE 802.3 Ethernet connection, WiFi 802.11 b / g / n, a USB port, a programmable relay output and six 4 ... 20 mA analog outputs.

An integrated solenoid valve controls an injection of compressed air for automatic cleaning of the optical sensors.

The TriBox is compatible with all TriOS digital sensors, the measurement and configuration data of the sensors are accessible on the screen and from a web browser once connected to the controller via WiFi or Ethernet.

It is suitable for all applications in the fields of environmental monitoring, drinking water production stations and wastewater treatment as well as many other fields, with its low power consumption, aluminum housing and multiple interfaces.


  • Mobdus / RTU open communication
  • Access to 6 measurements in 4 ... 20 mA analog format
  • TCP / IP interface
  • Suitable for all TriOS digital sensors
  • Recording of measurement data and service log
  • Wifi connection for interface access on web browser
  • Integrated solenoid valve for compressed air network
Power supply100 ... 240 VAC (50 ... 60 Hz) or 10 ... 15 VDC
Energy consumptionstandard: 6 W, maximum: 50 W
Connection4 x M12 industrial connectors for TriOS sensor
InterfaceRS-232, RS-485 Modbus-RTU, TriOS protocol
Network- WiFi IEEE 802.11b / g / n - Ethernet IEEE 802.3i
Connection- Integrated WiFi antenna - 1 x RJ-45
Web interfaceyes, access by web browser on computer, tablet, smartphone
ProtocoleTCP / IP, Modbus, TCP, VNC
Analog outputs6 x configurable analog outputs 4 ... 20 mA max load 500 Ohms connection terminals 1.5 mm² - 16 AWG
Relay output1 x contact relay (SPDT) / 250 VAC, 2 A / 30 VDC, 2 A 2.5 mm² connection terminal blocks
Compressed air injection controlIntegrated tripping solenoid valve
Screen7 ‘capacitive touch (800 x 400 pixels)
state5 x status LED on the front
Memory2 GB microSD card, direct connection possible via USB stick
Data exportvia WiFi (compressed tar file) / via Ethernet, via USB 2.0 port
Operating temperature0...40 °C
Protection typeIP65
Dimensions280x170x94 mm
Weight3,7 kg
Materialshousing: die-cast aluminum alloy front panel: acrylic glass (PMMA)
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