The MDC420 is an electronic card for the acquisition of a 4÷20 mA input and the CAN bus transmission of the acquired data. This card is dedicated to the reading of a weight sensor (range 0 - MAX kg). It transmits the data according to a particular version of the Scanreco RC400 CANOpen protocol. Just connect the electronic card as shown below and supply power voltage: the electronic card will start to read the 4-20mA input and transmit the data on the CAN bus. FEATURES - supply voltage from 10 to 30 Vdc - CAN V2.0B communication bus - 120 Ohm inner terminator - Two diagnostic LED (red and green) - firmware updatable by integrated serial port SIGNALS Green LED flashing: the sensor is not correctly connected to the 4-20mA input of the electronic card. Green LED On: the sensor is correctly connected to the 4-20mA input. Red LED flashing 1 time per second: input in protection mode, caused by an input current greater than 22mA Red LED On: the electronic card is working correctly.

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