Omron FH series User Manual page 258

Continuous Measurement Command without Handshaking
Continuous execution is used to repeatedly execute measurements by starting the next measurement
operation (image input and measurement processing) as soon as one measurement operation (image input
and measurement processing) is completed.
Continuous measurements are started when the Start Continuous Measurements command is executed and
ended when the End Continuous Measurements command is executed.
Command Code
Command Command Parameter
Area
Command Execute
Command Code
Response
Response Code
Area
Command Completion
overall Judgement
*1: A timeout error will occur if you do not turn off the Command Execution (EXE) signal within 10
seconds after the Command Completion (FLG) signal is turned ON.
Command Completion (FLG) signal and BUSY signal will be forcefully turned OFF.
*2: Busy (BUSY) signal is automatically switched ON to OFF when the command execution is completed.
Operation to Start Continuous Measurements
1
The Start Continuous Measurements command code is set from the PLC (user).
2
The Sensor Controller then checks that the Busy (BUSY) signal and Command
Completion (FLG) signal are OFF, and switches the Command Request (EXE) signal
from OFF to ON. The execution instruction is sent to the Sensor Controller.
3
The Sensor Controller sets the command code and response code when preparations
for continuous measurement have been completed.
4
The Command Completion (FLG) signal is then turned ON.
5
The PLC (user) turns OFF the Command Request (EXE) signal when the Command
Completion (FLG) signal turns ON.
6
When the Sensor Controller detects that the Command Request (EXE) signal has turned
OFF, it starts continuous measurements and turns ON the Busy (BUSY) signal.
7
After that, Command Completion (FLG) signal is turned OFF automatically.
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ON
OFF
ON
OFF
ON
(EXE) signal
OFF
ON
OFF
ON
Busy
(BUSY) signal
OFF
ON
OFF
ON
(FLG) signal
OFF
ON
Preparation for continuous
(OR) signal measurement is initialed.
OFF
(1) (2)
Start Command for Continuous Measurement
(5)
*1
Timeout
Measuring
Control command is running.
(7)
(3) (4)(6)
Vision System FH/FZ5 Series User's Manual
End Command
for Continuous Measurement
(12)
*1
Timeout
*2
Measuring
(13)
(8) (9) (10) (11)
for Communications Settings (Z342)