Siemens SIMATIC Ident Function Manual page 76

Examples/applications
6.7 The UDTs of FB 45 / FC 45
UDT 121: Result of reader diagnostics I
Table 6- 5 UDT 121 "MOBY SLG-Stat Diag 1"
Address Name
0.0
+0.0 status_info
+1.0 number_functions
+2.0 function_01_01
+3.0 function_01_02
+4.0 function_01_03
. .
. .
. .
=234.0
*) An area of 7 bytes each is reserved for 33 commands.
UDT 131: Result of reader diagnostics II
Table 6- 6 UDT 131 "MOBY SLG-Stat Diag 2"
Address Name
0.0
+0.0 status_info
+1.0 number_errors
+2.0 error_number
*1.0
=238.0
UDT 141: Result of reader diagnostics III
Table 6- 7 UDT 141 "MOBY SLG-Stat Diag 3"
Address Name
0.0
+0.0 status_info
+1.0 number_MDS
+2.0 UID
*4.0
=98.0
76
Type
STRUCT
BYTE
BYTE
BYTE
BYTE
BYTE
END_STRUCT
Type
STRUCT
BYTE
BYTE
ARRAY [1...235]
BYTE
END_STRUCT
Type
STRUCT
BYTE
BYTE
ARRAY [1...24]
DWORD
END_STRUCT
Comment
Reader status mode
Range: 1...33
*
*
*
Comment
Reader status mode
Range: 1...235
Error that occurred on the reader
Comment
Reader status mode
Range: 1...24
identified UID (tag number)
FB 45 for MOBY U, MOBY D, RF200, RF300
Function Manual, 07/2012, J31069-D0166-U001-A4-7618