User Manual

CHAPTER 7: RFID COMMANDS
COBALT HF RFID CONTROLLERS OPERATOR’S MANUAL
P/N: 17-1320 REV 01 (03-06) PAGE 79 OF 116
C OMMAND 06 (WRITE D ATA)–CBX C OMMAND E XAMPLE
This example writes the five ASCII characters H, E, L, L, O (Data Byte Values: 0x48,
0x45, 0x4C, 0x4C and 0x4F) to the tag starting at address 0x0000. A Timeout Value of 2
seconds (0x07D0 = 2000 x 1 millisecond increments) is set for the completion of this
command.
Command from Host
PARAMETER FIELD MSB LSB
Overall Length of Command
(in words)
0x00 0x09
AA
in MSB
Command ID
in LSB (0x06)
0xAA
0x06
00
in MSB
Node ID
in LSB (Cobalt -IND = 01)
0x00 0x01
2-byte
Timeout Value
measured in ms
0x07 0xD0
Start Address
0x00 0x00
Length of Write
(in bytes)
0x00 0x05
Write Data
(bytes 1 and 2)
0x48 0x45
Write Data
(bytes 3 and 4)
0x4C 0x4C
Write Data
(byte 5) in MSB
00
in LSB
0x4F 0x00
Response from Controller
PARAMETER FIELD MSB LSB
Overall Length of Response
(in words)
0x00 0x06
AA
in MSB
Command Echo
in LSB
0xAA
0x06
00
in MSB
Node ID Echo
in LSB (Cobalt = 01)
0x00 0x01
Month
and
Day
timestamp
Month DOM
Hour
and
Minute
timestamp
Hour Minutes
Seconds
timestamp in MSB
00
in LSB
Seconds 0x00