Omron FQ2-S Series User Manual page 81

Output Signals
Signal Function
RUN This signal is ON while the Sensor is in Run Mode. It will be OFF in Setup Mode.
BUSY This signal does not change while clearing errors.
However, do not clear an error while the BUSY signal is ON. The command will not be executed correctly.
OR This signal does not change while clearing errors.
D0 to D15 These signals do not change while clearing errors.
GATE This signal does not change while clearing errors.
ACK When the command has been completed normally, this signal is turned ON for the time that is set for the ACK
output time.
Input Signals
Signal Function
IN0 Turn ON.
IN1 to IN5 Turn OFF.
IN6 Turn ON.
IN7 This signal is the trigger for clearing an error.
Set the IN0 to IN6 signals, wait for at least 5 ms, and then turn ON the IN7 signal.
FQ2-S/CH User's Manual
for Communications Settings
Controlling Operation and Outputting Data with a Parallel Interface Sensor Data Unit
79