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CHAPTER 3: RFID COMMANDS
C OMMAND F2:
S TART/STOP R EPETITIVE C OMMAND
DESCRIPTION
Command F2 is used to instruct the HS500E to continuously repeat a specified RFID
command. Note that only Commands 02, 03 and 05 are repeatable.
To begin repeating a command, set the Overall Length to a value of 0x0006 or
greater. To stop this command, change the Overall Length to 0x0000 and re-issue
the command (or cycle power to the unit).
EXAMPLE
This example will instruct the HS500E to repeatedly read 4-bytes of data beginning at
address 0x0001 of tag memory. The Timeout value is set for 5 seconds (0x0032 = 50
decimal, 50 x .10 = 5 seconds) for the completion of this command.
Command F2: Start/Stop Repetitive Command – Command Structure
Word
#
Field Name MSB LSB Word
Value
1
Overall Length 00
06 + number of
additional words
(for Write and Fill
Commands only).
To stop, set LSB to
0x00.
0006
2
MSB = Repeat Command Flag: 0xF2
LSB = Command ID to be repeated
F2
02 (03 or 05 for
Write and Fill
Repeat)
F202
3 MSB is used to indicate Fill Data
Byte Value when second word is
0xF205. MSB should be 0x00 when
second word is F202 or F203.
LSB = Node ID Number (will always
be 0x01 for the HS500E)
00 01 0001
4
Timeout Value 00 32 0032
5
Start Address 00 01 0001
6
Read/Write Length 00 04 0004
7 Data Byte Value(s) for Write (only
applicable when word 2 is F203).
ZZ ZZ ZZZZ
HS500E – OPERATOR’S MANUAL P/N: 17-1305 REV02 (12-05)
PAGE 33 OF 82