Omron V680-CA5D01-V2 User Manual page 252

Host Communications Check Flowchart
START
NO
Is there a
response?
YES
Does the monitor
YES
display show 10,
11, or 12?
NO
YES
Does the monitor
display show 13?
NO
YES
Does the monitor
display show 14?
NO
YES
Does the monitor
display show 18?
NO
OK
YES
Is the connector
wiring OK?
NO
Correct the
connector wiring.
Are the
YES
communications
conditions OK?
NO
Change the
communications
conditions to match.
Is the FCS
calculation correct?
NO
Calculate the FCS
correctly.
YES
Is the command
format correct?
NO
Send with the correct
command format.
Is the command
YES
longer than the
specified length?
NO
Reduce the command
length to within the
specified range.
Correct the host
program or replace the
host device.
Troubleshooting
Are the
YES
communications
conditions OK?
NO
Change the
communications
conditions to match.
YES
Is the noise
environment OK?
NO
Implement noise
countermeasures.
Is the host
NO
device operating
normally?
Replace the Controller.
SECTION 6
YES
RFID System
249
User's Manual