User Manual

CHAPTER 7: RFID COMMANDS
COBALT HF RFID CONTROLLERS OPERATOR’S MANUAL
P/N: 17-1320 REV 01 (03-06) PAGE 92 OF 116
C OMMAND 0D (START/STOP C ONTINUOUS R EAD)–
CB
X C OMMAND E XAMPLE
This example places the controller in Continuous Read Mode and reads 4 bytes of data
from the tag starting at address 0x0001. The Delay Between Duplicate Reads is set to 2
seconds (0x02 = 2 x 1 second increments).
Starting Continuous Read - Command from Host
PARAMETER FIELD MSB LSB
Overall Length of Command
(in words)
0x00 0x06
AA
in MSB
Command ID
in LSB (0x0D)
0xAA
0x0D
00
in MSB
Node ID
in LSB (Cobalt -IND = 01)
0x00 0x01
00
in MSB
1-byte
Delay Between Duplicate Reads
in LSB
0x00 0x02
Start Address
0x00 0x01
Read Length
(in bytes)
0x00 0x04
Starting Continuous Read - Initial Response from Controller
PARAMETER FIELD MSB LSB
Overall Length of Response
(in words)
0x00 0x06
AA
in MSB
Command Echo
in LSB
0xAA
0x0D
00
in MSB
Node ID Echo
in LSB
0x00 0x01
Month
and
Day
timestamp
Month DOM
Hour
and
Minute
timestamp
Hour Min
Seconds
timestamp in MSB
00
in LSB
Seconds 0x00