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4 Functional Mechanisms of this Application
4.1 FB3 "GetRequest" functionality
4
Functional Mechanisms of this Application
Below, the two functionalities are explained for which the evaluation of the "clients
list" is required.
4.1
FB3 "GetRequest" functionality
Through the FB3 the individual "MIB variables" are read out. Below, the individual
parameters of the FB3 are described.
View of the "readily" configured FB3
Figure 4-1
In detail, the block parameters are defined as follows:
Table 4-1
No.
Parameters
1.
Enable
2.
ID
3.
LADDR
4.
AgentIPAdress
5.
Community
6.
Librarynumber
Evaluating An Access Point Clients List
V1.0, Entry ID: 48946495
Type
Meaning
INPUT
1 = The block is processed
(Bool)
0 = The block is not processed. A respective status value is set
INPUT
Connection ID of the UDP connection.
(Int)
(Siehe Link)
INPUT
Module group address from the hardware configuration
(Word)
(Siehe Link)
INPUT
IP address in "Hex Format" of the remote device from which
the "MIB variables" are to be read.
(DWord)
(In this case it is the IP address of access point 1 or of access
point 2)
INPUT
Community string that is used for reading.
(String)
(In this application always "public")
INPUT
The DB number of the "MIB library" in the CPU program.
(Int)
(In this case "20" (for DB20) or "21" (for DB21))
21
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