Siemens RS-485 Wartungshandbuch PDF herunterladen (Seite 316)

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Installation instructions and notes on usage

D.5 Notes on using the pulling loop of the SIMATIC NET PROFIBUS PCF fiber-optic standard cable

PROFIBUS Network Manual

316 System Manual, Edition 04/2009, C79000-G8976-C124-03

Table D- 19 Connection aid of the SIMATIC NET PROFIBUS plastic fiber optic, standard cable

1. The standard cable has a connection aid in the form of

arrow markings on the orange core.

The connection aid makes it easier to assign the sender

at one end of the cable to the receiver at the other

end (core pairs crossed over).

Immediately before inserting the connector, remove the

dust cap from the socket.

2. First connect the orange core:

• If the arrow on the orange core is pointing out of the

cable, connect this core to the receiver. The receiver

is indicated by an arrow pointing into a circle.

• If the arrow on the orange core is pointing into the

cable, connect this core to the sender. The sender

is indicated by an arrow pointing out of a circle.

3. The black core is connected to the free socket of the

same FO interface.

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