• Digital Single Channel I/O Module OB-216

The I/O module OB-216 is designed to control devices based on an analog signal, collect data from various sensors and transfer this information via MODBUS protocol.

Additionally the OB-216 provides the possibility of smooth control. It integrates perfectly with EM series controllers from Novatek-Electro.


OB-216 supports the following types of sensors:

  • sensors with voltage output (0 - 10 V);
  • sensors with DC output (4 - 20 mA, 0-20 mA);
  • temperature sensors of different modifications;
  • all kinds of Arduino sensors;
  • "dry contact" sensors with open collectors;
  • 1-Wire, I2C sensors.


ОВ-216 can operate as:

  • temperature controller for refrigeration and heating units;
  • protocol converter for refrigeration controllers - UART (TTL) into MODBUS (RS-485);
  • Equipment control unit by analog output 0-10V or 0-20 mA

The device can also monitor the state (closed/open) for sensors of security, alarm, additional contacts of switch position, machine operation.


OB-216 can perform such logical operations as:

  • load control according to the set thresholds;
  • linear signal conversion from 0-10 V to 0-20 mA (4-20 mA) and vice versa


RS-485 or USB interface provides the device’s interaction with other PLC (programmable logic controller) based on free logic via MODBUS protocol. The user-friendly setup wizard via the Overvis cloud platform will be available when using this device with PLC EM-481/486 from Novatek-Electro.

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Digital Single Channel I/O Module OB-216

  • 87.95€

  • Ex Tax: 71.50€