Omron FH series User Manual page 94

Example 2: Outputting Data with More Than One Output Unit without Handshaking
Command
Area
Trigger Ready signal OFF
Response
Area
Data output
Area
(1) After checking that the Trigger Ready signal is ON and the Command Completion signal is OFF, the
Controller (master) turns ON the Trigger signal.
(2) The Sensor Controller (slave) turns ON the Trigger Ack signal, and turns OFF the Trigger Ready
signal.
(3) The controller (master) turns OFF the Trigger signal.
(4) The Sensor Controller (slave) turns OFF the Trigger ACK signal.
(5) The Sensor Controller (slave) turns the Busy signal ON and executes measurement processing.
(6) The Sensor Controller (slave) turns the Trigger Ready signal to ON when the image input processing
is completed and trigger is ready to input.
(7) When the first Fieldbus Data Output Unit in the measurement flow is executed, the Sensor Controller
(slave) writes the data, then turns the Result Notification signal ON.
(8) When the time set for [Output time] in the EtherCAT settings has elapsed, the Sensor Controller
(slave) turns the Result Notification signal OFF.
(9) When the second Fieldbus Data Output Unit in the measurement flow is executed after the output
cycle of the first Fieldbus Data Output Unit has elapsed, the Sensor Controller (slave) turns the
Result Notification signal ON.
(10) When the time set for [Output time] in the EtherCAT settings has elapsed, the Sensor Controller
(slave) turns the Result Notification signal OFF.
92
EtherCAT Connections (FH-1000 series/FH-3000 series only)
ON
Trigger signal
OFF
ON
Busy signal
OFF
ON
ON
Trigger Ack signal
OFF
ON
Result Notification
signal
OFF
ON
Result Data
OFF
*1: Busy (BUSY) signal is automatically switched ON from OFF when the command
execution is completed.
(3)
(5)
(2) (4)
(9)
(8)
First data output
(1) (6) (7)
(7) First Fieldbus Data
Output Unit is executed.
Vision System FH/FZ5 Series User's Manual
*1
(10)
Second data output
This data is overwritten by the
second data output.
(9) Second Fieldbus Data
Output Unit is executed.
for Communications Settings (Z342)