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PROFIBUS DP Communication
8.11 DP slave diagnostic repeater for PROFIBUS DP
Manual
306
Commissioning Manual, 05/2008, 6FC5397–4CP10–4BA0
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Galvanic separation of the PG interface:
Galvanically or electrically isolating the PG interface prevents interference with the other
bus segments of the PROFIBUS DP if the PG connecting cable is inserted or removed,
even at high baud rates.
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Monitoring functions of the clock-synchronous PROFIBUS
8.11.2
Area of application
A diagnostic repeater is required if one or more of the following requirements exist:
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Cable diagnosis of PROFIBUS network during operation
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Connection of more than 32 nodes on a PROFIBUS line
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Implementation of branches
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Electrical isolation of two segments
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Ungrounded operation of bus segments
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Visualization of bus topology with STEP 7 (Version 5.2 and higher)
8.11.3
Connection and commissioning
You will find a detailed description of how to connect and commission a diagnostic repeater
in:
References:
SIMATIC Manual: Diagnostic repeater for PROFIBUS DP
Drawing number: A5E00352937-01, 10/2004 Edition
Order number (MLFB): 6ES7972-0AB00-8AA0