Siemens Simatic Ident Function Manual page 40

Setting parameters for blocks
3.4 Programming Ident blocks
Table 3- 17 ATTRIBUTE "0x81"
Name
NUM MDS
TAG_DATA
TAG_DATA[1]
reserved
ID_LEN
EPC_ID
tagPC
RSSI
MaxRSSI
MinRSSI
channel
antenna
polarization
time
power
filterDataAvailable
Inventoried
TAG_DATA[2]
...
TAG_DATA[n]
Indicates how often the transponder was identified via the air interface before it changed to the "Observed" status.
1)
40
Type Comment
WORD Number of MDS
ARRAY[1..n] of
IID IN I 81
IID_IN_1_81
BYTE
BYTE EPC length
ARRAY[1..62]of EPC-ID
BYTE
WORD
BYTE RSSI value
BYTE highest RSSI value
BYTE lowest RSSI value
BYTE channel; 1..15_ESTI; 1..53:FCC
BYTE antenna; bit coded;
Bit 0 = antenna 1; Bit 1 = antenna 2;
Bit 2 = antenna 3; Bit 3 = antenna 4
BYTE polarizatuin of antenna;
0=undefined; 1=circular; 2=vertical linear;
3=horizontal
Time_OF_Day S7 timestamp
BYTE power in dBm
BYTE 0=false; 1=true
WORD
1)
IID_IN_1_81
...
IID_IN_1_81
Ident profile and Ident blocks, standard function for Ident systems
Function Manual, 10/2018, C79000-G8976-C387-04