User's Manual

V750 RFID READER/WRITER, ANTENNA 2006-06, REV.C
OPERATION MANUAL
63 of 110
©OMRON CORPORATION 2006
(3) ReaD Data (RDDT)
Command
RDDT(S)
mbk (S) dpt (S) dln (S)[options...]<LF>
mbk: Memory Bank
dpt: Data Pointer
dln; Data Length
Response
RDDT[RC] (S) [CNT] (S) [Data1 with ITM1] <LF>
[RC] Response Code
[CNT] Tag Count
[Data with ITM] Data with Items indicated by TIF option. Items are delimited
by a comma.
＊(S) Space Character
Example 1) When [Memory bank; 2, start address; 16, word count to be read; 4] is specified, other
settings are default value and then read process has completed successfully:
[Tx] RDDT 2 16 4<LF>
[Rx] RDDT0000 001 1111222233334444<LF>
Example 2) When [Memory bank; 0x01, start address; 0x02, word count to be read;
0x03, Antenna; 1-
3] is specified and read process has succeeded:
[Tx] RDDT 0x01 0x02 0x03 -ant 123 -tif EPC,ANT<LF>
[Rx] RDDT0000 001 111122223333, 1234567890ABCDEF12345678,2<LF>
(In this case, the read data is [111122223333], the tag EPC code is
[1234567890ABCDEF12345678], and the read antenna ID is [2].)
Example 3) When an incorrect address is specified:
[Tx] RDDT 0 0x100 0x1 -ant 123<LF>
[Rx] RDDT1412<LF>
(The command data error [Code:1412] is returned.)
Example 4) When an error has occurred during communication process:
[Tx] RDDT 0 0 1 -ant 123<LF>
[Rx] RDDT7000<LF>

The error code is returned.