4
Functional
Mechanisms of this Application
4.2
FC220 functionality
24
Evaluating An Access Point Clients List
V1.0, Entry ID: 48946495
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4.2
FC220 functionality
With the FC220 a specified data range of two data blocks can be compared bit by
bit.
In this application the specified MAC address is compared with the read MAC
address through this block.
View of the “readily” configured FB220
Figure 4-2
In detail, the block parameters are defined as follows:
Table 4-3
No.
Parameters
Type
Meaning
1. COMPARE
INPUT
(Any)
The “COMPARE” input parameter relates to the
searched structure.
In this case, the address of the searched MAC
address is specified here.
(See DB30 “Compare_MAC_Address”)
For the “first” mobile panel the address is specified as
follows
P#DB30.DBX0.0 Byte 10
and for the second
mobile panel
P#DB30.DBX10.0 Byte 10
2. SRC
INPUT
(Any)
The SRC input parameter relates to the data area
that is searched.
In this case the “
ValueInterval
” parameter from FB3
is used.
