User's Manual

i-PORT MB – Manual

Version 1.1 02.02.2007 Page 22/

4.4

Get Tag extended command

Command telegram

This command corresponds to the “Get Tags” Command but requests additional information.

Parameter Range Length/byte

Remark

Start SOH 1

Address 1

Command 0x42 1

SubCmd 0x00/0x01 1 With 0x01 an additional

TelegramCount is transmitted, see

below

CRC16 2

End EOT 1

Response telegram

Parameter Range Length/byte

Remark

Start Delimiter SOH 1

Addr 1

Cmnd 0xc2 (= 0x42 + 0x80) 1

Status 0x00/0x10 1 See remark at “Get Tags Response

telegram”

Len 1

HFProtID 1 As transmitted by the tag

AgeCount 3 MSB currently not used

TagID 4 LSB first

UserData 9

Flags 1

BatteryNumber 1 Not used (reserved)

DecryptKeyIndex 1 Not used (reserved)

Reserved 4 Not used (reserved)

TimeFirst 4 Time first detected (Note 1)

TimeLast 4 Time last detected (Note 1)

RSSI 1 Receive Signal Strength Indicator

RSSI(max) 1 Maximum RSSI since last transmission

#seen 1 number of times tag was detected

since last transmission to host