SECTIO
N
8
Sample Pro
g
ramming
SECTION 8
Appendices
175
RFID System
User's Manual
• Timing Chart (CIO n = CIO 2000 + 10 x (0 + 1) = CIO 2010)
• If communications with the RF Tag fail or an error occurs, communications will be aborted at that point, the
error flags in the Results Information (CIO n+8) will turn ON accordingly, and the error code will be placed in
the Processing Results Monitor (CIO n+9). The previous read data will not be changed.
• If an auto wait time is set and the set time expires while waiting for an RF Tag, the command operation will be
aborted at that point, the RF Tag Missing Error Flag (CIO n+8, bit 10) in the Results Information will turn ON,
and an error code will be placed in the Processing Results Monitor (CIO n+9).
• When the communications specification is set to repeat auto, either the Normal End Flag or the Error End
Flag will turn ON every scan for consecutive scans. The execution results can be correctly determined by
using the ON status of both the Normal End Flag and the Error End Flag in Unit Status.
• To confirm the execution results from the user program, use the ON status of the Normal End Flag or Error
End Flag in the Unit Status.
• Do not turn ON the Command Execution Bit during command execution (i.e., while the ID Busy Flag is ON).
It will be ignored.
Command Exec
u
tion Bit
CIO n,
b
it 00
Command
CIO n+1 to n+4
N
ormal End
CIO n+7,
b
it 01
ID B
u
sy
Res
u
lts Information
Data storage area
Error End
CIO n+7,
b
it 02
CIO n+
8
CIO n+7,
b
it 00
1 scan
Read
N
ormal end
N
ormal end
Read data A
0000
Comm
u
nications
processing
0000
W
aiting for
RF Tag
1 scan
Comm
u
nications
processing
1 scan
Read data B
More than 15 s
elapsed.
Missing error
W
aiting for
RF Tag
W
aiting for
RF Tag
Summary of Contents for CJ1W-V680C11
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