Measurement Trigger Input - Omron SYSMAC FH Series User Manual

2-1-20

Measurement Trigger Input

This section describes the ON/OFF timing for signals related to measurement trigger inputs using the
following timing chart.
l Measurement Trigger Input Timing Chart
The Trigger signal is used to input a measurement trigger. Single measurement is performed each
time the Trigger signal switches from OFF to ON.
Command Area
Response Area
(1) The Controller (master) turns the Trigger signal ON after checking that the Trigger Ready signal is ON.
(2) The Sensor Controller (slave) changes the status of the following signals.
- Turns the BUSY signal ON.
- Turns the Trigger Ack signal ON.
- Turns the Trigger Ready signal OFF.
(3) The Controller (master) turns the Trigger signal OFF.
(4) The Sensor Controller (slave) turns the Trigger Ack signal OFF.
(5) The Sensor Controller (slave) turns the Trigger Ready signal ON when an image input has completed
and the measurement trigger input becomes available.
(6) When measurement processing is completed, the Sensor Controller (slave) turns the Total Judgment
signal ON.
(7) When measurement processing is completed, the Sensor Controller (slave) turns the Total BUSY sig-
nal OFF.
FH/FHV Series Vision System User's manual for Communication Settings (Z342-E1)
2 Methods for Connecting and Communicating with External Devices
ON
Measurement
Trigger signal
OFF
ON
Trigger ACK
Status signal
OFF
ON
BUSY signal
OFF
ON
Trigger Ready
signal
OFF
ON
Total Judgment
OFF
signal
(1)(2)(3)(4)(5) (6)(7)
2 - 55
2