Siemens 6ES7 972-4AA02-0XA0 User Manual page 23

User´s Guide Power Rail Booster
All application data relevant to the configuration of the segments must be entered in
their entirety in the PRB Checker's input screen form.
The program checks the input data immediately after each modification. If the result
for the data entered is positive (green field), the relevant segment may be regarded
as operational. If the result is negative (red field), there are two possibilities:
- the permissible line length (reflection limit) has been exceeded
or
- the permissible load (capacitance) has been exceeded.
If the permissible line length has been exceeded, you must reduce the length of the
PRB segment until the Checker gives you the green light for your configuration.
If the permissible load has been exceeded, you can reduce the length of the line, the
number of vehicles in the PRB segment or the number of vehicles in the DP master
segment.
In this way, you configure segment by segment as described in section 5.1
„Procedure", until you have structured the entire length of your contact rail, including
cabling, in the DP master and PRB segments.
You can also add comments and store your configuration segment by segment. The
files can then be sent by e-mail and downloaded at another location. In the past, this
has proven very successful as installation, documentation and quality control
support.
U
Note
The information in Figure 10 "Overview of maximum permissible
lengths of PRB segments" does not make it unnecessary to use
PRB-Checker to calculate the line or rail length!
.
Note
U
When using PRB-Checker to configure segments, you must treat
each Power Rail Segment Controller that is connected to a PRB
segment as an additional vehicle. This is due to the Power Rail
Segment Controller's input capacitance.
Copyright © Siemens AG 2005 All rights reserved.
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6ES7 972-4AA02-0XA0
Version 12/2005
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