MC-20 Signal converter

  • Universal MODBUS 485 RTU Converter
  • Solar Sensors (mV) / PT-100, NTC 10kΩ
  • Up to 100 units in parrallel
  • Correction for sensor temperature dependency and non-linearity
  • Optional USB controller EKO sense configuration software
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The MODBUS 485 RTU converter called "MC-20" is a digital signal conditioner to convert the Voltage output of a solar radiation sensor, PT-100 or 10kΩ NTC temperature sensor into a MODBUS 485 RTU output. The converter can be used with all passive EKO radiometers or any other mV sensor to be connected to data loggers or inverters with a MODBUS 485 RTU input channel. By using the signal conditioner, the sensor cable can be easily extended over long distances without any signal loss or potential electromagnetic interference in noisy industrial environments. With MODBUS up to 100 different sensors and converter units can be addressed and connected in parallel.

The mV signal of the solar sensor will be converted to irradiance ...

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  Specifications MC-20
  Output Digital (Modbs RTU)
  Input range 1 0 - 100 mV
  Input range 2 2W, 3W, 4W PT-100 (* Combined input terminals 1 and 2)
  Output range 4-20mA = -40°C to 120°C
  Resolution (µV) < 5
  Resolution < 0.1 ºC
Impedance > 15 MΩ
Temperature response -20°C to 50°C < 0.2 %
Response time 95% < 1 Sec.
Non-linearity fll span < 0.1 %
  Operating temperature range -40 - 80 °C
  Power supply 12 to 24 +/-10% VDC
Power consumption 0.2 - 0.3 W
  Dimensions (mm) 45 (D) x 27 (H)
Weight 0.03 kg
  Ingress protection IP 20
  Options

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