Siemens SIMATIC Ident Function Manual page 65

Address space of the transponder/MDS variants for MOBY U
System
MOBY U
FB 45 for MOBY U, MOBY D, RF200, RF300
Function Manual, 07/2012, J31069-D0166-U001-A4-7618
Addressing
Start address
End address
Read OTP memory
(write access only possible once. The OTP memory of MOBY U can only be processed
completely, i.e. the start address must always be specified with value FFF0 hex and the
length with value 10 hex.)
Start address
Length
ID no.: (4 fixed-coded bytes; can only be read with the MDS status command)
Start address
End address
Read OTP memory (write access only possible once)*
Start address
Length
ID no.: (4 fixed-coded bytes; can only be read with the MDS status command)
6.2 Processing of data memories/transponders
16-bit hexadecimal number
2 KB data memory
0000
07FF
FFF0
10
32 KB data memory
0000
7FFF
FFF0
10
Examples/applications
Integer number
+0
+2047
-16
+16
+0
+32767
-16
+16
65