Interfaces To Automation Systems; Profibus Dp Interface; Profibus Installation - Siemens SITRANS SL Operating Instructions Manual

Interfaces to automation systems

8.1

PROFIBUS DP interface

Note
You can obtain further information from the PROFIBUS user organization or on the Internet
at (www.profibus.com).
8.1.1

PROFIBUS installation

When you use the PROFIBUS DP interface then use the designated PROBIBUS DP cable,
e.g. the PROFIBUS DP hybrid cable which includes instrument power and ground
conductors.
Cable requirements
Type-A PROFIBUS hybrid cable with conductors for supply voltage and protective earth. The
ATEX variant is delivered with 3m of PROFIBUS hybrid cable mounted.
Connecting to the bus
To install the SITRANS SL as the single or as the last device of a PROFIBUS segment:
1. Ensure that the termination resistor is turned on.
2. Connect the PROFIBUS hybrid cable to the SITRANS SL receiver.
3. Use a junction box to connect PROFIBUS network and power to the PROFIBUS hybrid
SITRANS SL
Operating Instructions, 12/2010, A5E01132948-04
cable.
Interfaces to automation systems
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