Omron V780-Series User Manual page 96

6 Functions
RF Communications Speed
The RF communications speed setting can be used to change the speed of communications with
RF Tags. You can thereby select whether to give priority to the communications time or to communi-
cations stability.
Setting
Auto speed
High speed
Normal speed
RF Communications Timeout Time
The RF communications timeout time lets you specify an upper limit to the time required to process
single-access or multiaccess communications. You can use this to provide leeway for details in detect-
ing RF Tags in the communications range or to adjust the timing of when responses are returned.
Setting item
Timeout time
The RF communications timeout time is measured from when the Reader/Writer starts executing a
communications command until an RF Tag is detected. If an RF Tag is not detected before the time-
out time expires, an RF Tag missing error response is returned. If an RF Tag has already been
detected when the timeout time expires, communications with that RF Tag are completed. (Commu-
nications after RF Tag detection will not be aborted for a timeout.)
Write Verification
The write verify setting can be used to automatically check the accuracy of written data for any com-
munications command that writes data to an RF Tag.
Setting
Selected
Not selected
*1. If verification shows that the read data is not the same as the write data, a verification error response is re-
turned. The written data will not be changed. Write the original data again.
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Description
The Reader/Writer determines the communications speed for RF
Tags based on interference conditions.
The communications speed for RF Tags is increased to reduce
the communications time.
However, this will make communications more susceptible to
interference, such as from ambient noise.
The communications speed for RF Tags is decreased to increase
the stability of the communications quality.
More time will be required for communications, but there will be
more resistance to interferences, such as from ambient noise.
Description
1 to 60,000 ms (in 1-ms increments)
Description
After data is written to an RF Tag, the data is read to verify that the
*1
correct data was written.
Verification is not performed after data is written to an RF Tag.
UHF RFID System V780-series Reader/Writer User's Manual (EtherNet/IP
Default
Auto speed
Default
250 ms
Default
Selected
TM
) (Z402)