Omron F250-UME Software Manual page 960

Host Link Serial Interface
Inputting the Measurement Trigger from the STEP Signal
Note If a response is not received within 5 seconds, a timeout error will occur in the
6-3-(4)
Controller
STEP
Measure.
The parallel interface's BUSY signal will be ON during measuring.
Write the processing results
to the Write Area.
End
Controller because the Programmable Controller may be disconnected or mal-
functioning. An error message will be displayed on the Controller's screen and
the parallel interface's ERR signal will be turned ON.
Programmable Controller
Return response indicating that
the write operation was completed
normally.
Section 6-3