Omron FQ2-S/CH Series User Manual page 78

Timing Chart
Run Mode entered.
ON
RUN signal
OFF
IN0 to IN6
signals
ON
IN7 signal
OFF
Allow 5 ms min.
and then turn ON IN7.
ON ON
BUSY signal
OFF OFF
ON
ACK signal
OFF
Output Signals
Signal
RUN This signal is ON while the Sensor is ready to take measurement and it is in Run Mode. It will be OFF in Setup Mode.
BUSY This signal indicates that the Sensor is currently changing the scene.
Do not input the next command while the BUSY signal is ON. The process that is currently being executed and the com-
mand that is input will not be executed correctly.
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 to Change the Scene
Signal
IN0 to IN4 These signals specify the scene number (0 to 31).
IN5 Turn ON.
IN6 Turn OFF.
IN7 This signal functions as the execution trigger. Set the IN0 to IN6 signals, wait for at least 5 ms, and then turn ON the IN7
signal. The BUSY signal will be ON while the command is being executed.
Clearing Measurement Values
This command clears the measurement values.
Parameters
Execution Command
IN7 IN6
1 1000000
76
Controlling Operation and Outputting Data with a Parallel Interface Sensor Data Unit
0 0100001 (Changes to scene 1.)
ON for 1 ms min.
Command execution
IN5 IN4 IN3
Setup Mode entered.
ACK output time
Function
Function
IN2 IN1 IN0
Input example
11000000
FQ2-S/CH User's Manual
for Communications Settings