Siemens SIMATIC Ident Function Manual page 73

3rd example
A separate data block is assigned to each RFID channel. It contains the parameters,
commands and data for a channel. Space for 10 RFID commands should be reserved on
each channel.
Figure 6-3
FB 45 for MOBY U, MOBY D, RF200, RF300
Function Manual, 07/2012, J31069-D0166-U001-A4-7618
Declaration view
DB 45: "Reader 1"
UDT 10
STRUCT
command:
ARRAY [1...10]
UDT 20
DB 46: "Reader 2"
UDT 10
STRUCT
command:
ARRAY [1...10]
UDT 20
DB 47: "Reader 3"
UDT 10
STRUCT
command:
ARRAY [1...10]
UDT 20
Example of when a separate data block is assigned to each RFID channel
Data view (schematic)
Reader 3
Ad
Reader 2
0
:
Ad
:
Reader 1
:
0
:
:
:
:
Ad Na
49
:
0
ASM_add
:
:
:
:
49
:
:
:
49
50
:
:
:
50
:
:
:
:
59 :
:
50 Befehl1.
:
:
59 command
:
:
:
:
59
60
61
62
:
60
:
61
:
62
:
:
10
:
60 Daten [1]
:
61
: Daten [2]
62
10
:
Daten [3]
:
:
:
10
Examples/applications
6.6 Data structure definition
73