Application And Functions; Application; Interfaces And Connectors - Siemens CP 342-5 Manual

Application and functions

1.1

Application

Automation system
The CP 342-5/342-5 FO communications processor is intended for operation in a SIMATIC
S7-300 / C7-300 automation system. It allows connection of the S7-300 / C7-300 to a
PROFIBUS fieldbus system.
1.2

Interfaces and connectors

The connectors are located behind the cover of the housing of the CP.
Connection to PROFIBUS
● CP 342-5
The interface is a 9-pin D-sub female connector operating according to the RS-485
standard.
● CP 342-5 FO
The two optical connectors are designed as duplex sockets.
For information on the connection see section Procedure for installation and commissioning
(Page 35).
Connection to power supply
A 4-pin terminal is available for the 24 VDC power supply,
For information on the connection see section Procedure for installation and commissioning
(Page 35).
CP 342-5 / CP 342-5 FO
Manual, 07/2017, C79000-G8976-C146-10
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