Evco EPH4EXP Hardware manual Manual de usuario descargar pdf (Pagina 46)

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

page 46 of 116

4.4. Electrical connection c-pro 3 EXP hecto and c-pro 3 EXP hecto+

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

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

The following tables show the meaning of the connectors.

MICRO-SWITCH

Micro switch to plug in the termination of the CAN port (120 Ω, 0.5 W); position micro-switch 2 on position ON to plug in the termination

of the CAN port (plug in the termination of the first and of the last element of the network).

CAN BUS

CAN port.

Terminal Meaning

CAN + signal +

CAN - signal -

GND ground

The maximum number of devices that can make a CAN network (32) depends on the bus load; the bus load depends on the baud rate

of the CANbus communication and on the kind of device in the network.

For example: a CAN network can be made of a programmable controller, of four I / O expansions and of four user interfaces

with baud rate 500,000 baud.

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Evco EPH4EXP Hardware manual Manual de usuario Pagina 46