Electrical connection – EVCO EPH4EXP Hardware manual User Manual
Page 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