7
6BNotes, Tips and
Tricks
58
Evaluating An Access Point Clients List
V1.0, Entry ID: 48946495
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Action
Screens
3.
Saving MIB variables:
Save the “WEB page” as “Text File”
on your PC.
This “Text File” can be read in using
a “MIB browser” and evaluated
accordingly.
Note:
Depending on the “MIB browser”
used, you can also directly call the
MIB library (see
7.3
Hardware used
The application is especially tailored for the Mobile Panel 277F IWLAN V2. If you
do
not
need a F functionality then you can also use a CPU without F technology
instead of an F-CPU. The same is the case for the mobile panel used here. This is
where you can also use different devices here.
Which devices are to be read out through the “clients list” of an access point is
irrelevant of the evaluation.
7.3.1
Changing CPU
If you are using a different CPU for your application, then make a note of the
addresses and settings in this application. This makes the change easier.
7.3.2
Evaluating clients list
For the evaluation of the “clients list” of an access point only the not F relevant S7
program blocks are needed.
7.4
MAC addresses are not detected
If you cannot evaluate any MAC addresses, please check the following points.
Check the OID addresses used in the
DB10 or DB21 block.
Check possible status messages of FB3 (
Only call the FB3 for only one “cycle” each and check the “ValueInterval”
parameter. In this parameter the read out
MAC address is written (P#DB25.DBX0.0).
Make sure that the MAC address is specified in DB30 in the “hex format”.
Check the clients list of the respective access point whether nodes have been
entered there (
).
