Evco EVD120 Manual do Utilizador descarregar pdf (Página 10)

EVD120

Getting started

1.2 Wiring diagram

Fig. 3 - Wiring diagram of EVD120.

With reference to the wiring diagram:

• port 1 is the port for the serial communication (via RS-485, with MODBUS communication protocol)

• port 2 is the serial port for the communication with the programming key.

Additional information for electrical connection:

• do not operate on the terminal blocks with electrical or pneumatic screwers

• if the instrument has been moved from a cold location to a warm one, the humidity could condense on the inside;

wait about an hour before supplying it

• test the working power supply voltage, working electrical frequency and working electrical power of the instrument;

they must correspond with the local power supply

• disconnect the local power supply before servicing the instrument

• provide the probes with a protection able to protect them against contacts with metal parts or use insulated probes

• do not use the instrument as safety device

• for repairs and information on the instrument please contact Evco sales network.

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Evco EVD120 Manual do Utilizador Página 10