Wiring
4-12
DP/PA Link and Y Link Bus Couplings
A5E00193841-011
4.4 Connecting PROFIBUS-DP
The PROFIBUS-DP is connected in the same manner for all described modules.
The connections that must be established between a PROFIBUS-DP and
components are described in the subsections 4.2.1 to 4.2.4.
Required tool
To attach the bus connector to the IM 157, you require a 3 mm screwdriver.
Bus cable and connector
Only use the accessories specified in Appendix D for PROFIBUS-DP.
All of the information you will require on handling bus cables and connectors is
provided in the Distributed I/O System ET 200 handbook.
Procedure
Connect PROFIBUS-DP as follows:
1. Insert the bus connector into the PROFIBUS socket.
2. Tighten the screws on the bus connector.
4.5 Connecting PROFIBUS-PA
Important information
The following documentation is binding when installing the PROFIBUS-PA:
Untersuchungen zur Eigensicherheit bei Feldbus-Systemen (investigations into
the intrinsic safety of field bus fail-safe systems); PTB report W-53,
Braunschweig, March 1993 (only relevant for installation in potentially explosive
areas).
PROFIBUS-PA Installation Guidelines (notes on using the IEC 1158-2
technology for PROFIBUS, German item no. 2.091, English item no. 2.092)
PROFIBUS-Nutzerorganisation e. V.,
Haid-und-Neu-Straße 7, D-76131 Karlsruhe
Further information is available on the Internet:
http://www.profibus.com.
IEC 60079-14 stipulations on setting up electrical systems in potentially
explosive areas
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