Omron FH series User Manual page 331

1
Set the DI0 to DI6 signals to ON or OFF based on the command to input.
2
After you have set the DI0 to DI6 signals, wait for at least 1 ms and then turn ON DI7.
3
The command will be executed, and the ACK signal will turn ON after execution of the
command is completed.
4
Check that the ACK signal has turned ON, then turn OFF DI7.
When the DI7 signal is turned OFF, the ACK signal will turn OFF.
*: A timeout error will occur if the DI7 signal is not turned OFF within the set timeout interval from when the ACK
signal is turned ON.
IMPORTANT
If the DI7 is still ON after execution of a command is completed, the same command will be executed again.
Confirm that the ACK signal is turned ON from OFF, and then create the program of th PLC side to turn the DI17 signal
OFF from ON.
Note
From the PLC, set signals DI0 to DI6 and turn ON the DI7 signal only when the BUSY, ACK, and DI7 signals are all OFF.
From the PLC, you can check if a command was acknowledged by confirming that the BUSY signal turned ON.
From the PLC, you can check if execution of a command was completed by confirming that the ACK signal turned ON.
After these conditions have all been met, turn OFF the DI7 signal.
• FZ5
Sensor control commands are input with the timing shown below using the DI0 to DI7 signals.
Parallel DI0 to DI6
Parallel DI7
Parallel BUSY signal
(1) Set the DI0 to DI6 signals to ON or OFF based on the command to input.
(2) After you have set the DI0 to DI6 signals, wait for at least 1 ms and then turn ON DI7.
(3) Then check that the BUSY signal has turned ON, then turn OFF DI7. The BUSY signal is turned
OFF when execution of the command is completed. When executing continuous measurement
commands, turn OFF DI7 when you want to stop continuous measurements.
IMPORTANT
If the DI7 is still ON after execution of a command is completed, the same command will be executed again.
Note
From the PLC, set signals DI0 to DI6 and turn ON the DI7 signal only when the BUSY and DI7 signals are OFF.
The PLC (user) turns OFF the DI7 signal after checking that the BUSY signal has turned ON.
Vision System FH/FZ5 Series User's Manual
for Communications Settings (Z342)
(1)
(2)
ON 1 ms
OFF
(3)
ON
OFF
Command Request
Parallel Communications
2
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