Evco EPH4EXP Hardware manual Manual do Utilizador descarregar pdf (Página 17)

EVCO S.p.A. c-pro 3 | Hardware manual ver. 3.2 | Codice 114CP3E324

page 17 of 116

4. ELECTRICAL CONNECTION

4.1. Electrical connection c-pro 3 hecto and c-pro 3 hecto+

4.1.1. Meaning of the connectors of c-pro 3 hecto and of c-pro 3 hecto+

The following drawing shows the connectors of c-pro 3 hecto and of c-pro 3 hecto.

The following tables show the meaning of the connectors.

MODBUS

RS-485 port with Modbus master / slave communication protocol (configurable via application software).

The following drawing shows the aspect of the RS-485 port.

The following table shows the meaning of the pins of the RS-485 port.

Pin Meaning

1 common

2 not connected

3 not connected

4 D0 = B = - (terminal 0 of the transceiver)

5 D1 = A = + (terminal 1 of the transceiver)

6 not connected

7 not connected

1 2 ... 12 13 14 15 16 17 18 19 20 21 22 ... 115 116

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Evco EPH4EXP Hardware manual Manual do Utilizador Página 17