Time Charts - Omron FH series User Manual

Time Charts

The ON/OFF timing of signals related to the sequence of operation from control command input until data output
after completion of measurement is indicated in the timing chart below.
Example 1: Inputting a Measurement Trigger after Changing a Scene without Handshaking
Command Parameter
Command
Area
Command Execute
Command Completion
Response
Area
Data Output Completion
Data Output
Area
*1: A timeout error will occur if you do not turn off the Command Execution (EXE) signal from Sensor Controller
(master) within 10 seconds. Then Command Completion (FLG) signal and Busy (BUSY) signal will be forced
to turn off.
*2: Busy (BUSY) signal is automatically switched ON to OFF when the command execution is completed.
1
The command code and command parameters for the Select Scene command are set
from the PLC.
2
Next, confirm that the BUSY signal and the Command Completion (FLG) signal have
turned OFF and then turn ON the Command Request (EXE) signal again. A request is
sent to the Sensor Controller.
3
The Sensor Controller changes the scene and turns ON the BUSY signal when the
request is received.
4
Command Completion (FLG) signal is turned ON after Scene Selection is finished.
5
The PLC (user) switches the Command Request (EXE) signal back to OFF when the
Command Completion (FLG) signal turns ON.
6
The Sensor Controller checks that the Command Request (EXE) signal is OFF, then
automatically turns the Command Completion (FLG) signal.
7
The measurement command code and command parameters are set from the PLC.
8
The Command Request (EXE) signal is turned ON to execute the measurement command.
260
Communicating with EtherNet/IP
ON
Command Code
OFF
ON
OFF
ON
(EXE) signal OFF
ON
Busy
(BUSY) signal OFF
ON
(FLG) signal OFF
ON
(GATE) signal
OFF
ON
Output Data
(DATA) OFF
(1)
Select Scene command
Scene No.
(5)
Select Scene command
*1
is running.
(3)
*2
(6)
(2) (4)
Vision System FH/FZ5 Series User's Manual
Measurement command
Measurement command
*1
is running.
(9)
*2
(7) (8) (10)
Fieldbus Data Output
Unit is executed.
for Communications Settings (Z342)
(11)
(12)