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Example: A, B, C are different transponder codes, N is NoRead error code:
Sequence of reading cycles
Output sequence
after filtering with
CN=0 und CID=1
Output sequence
after filtering with
CN=1 und CID=1
N, N, ......,N, A, A, A, ....A, N,N,
.........
N, N, ......,N, A, N,
N, .......
A
N. N, N, A, A, A, N, A, A, B, A,
C, C, C, .......
N. N, N, A, N, B,
A, C, .....
A, B, A, C
The settings are directly effective.
Note: The internal reference number is deleted in the following conditions:
after a cold start
after a warm start (command line RST <CR>)
after entering the command line CID <SP> 1 <CR>
This causes that the next transponder code is output definitely.
Note: The filter function CID picks up the results of the complete
reading cycles
, while the parameter
NID proceeds from the results of single
readings
! The filter function CID has effect on the serial in-
terface only.
5.3.3
CN – suppression of No Reads
Through the setting CN=1 the NoRead results after a get tag command or in MD0 mode are sup-
pressed on the serial interface.
This command is not available in profibus communication and can not be saved with the VSAVE
command.
Input format:
CN
<SP>
parameter
<CR>
Output (example):
0
<CR>
Parameter:
