Mitsubishi Electric MELSENSOR VS20 Connection Manual page 43

Creating program
As applicable, create a program using the following I/O signals.
Signal Signal Name
X0 Pattern_1 PASS
X1 Pattern_1 FAIL
X2 Online
X3 Job completion
Y10 Trigger
Y12 Online request
The timing chart is shown below.
Online request
(Y12)
Trigger
(Y10)
Online status
(X2)
Import/inspection
processing of
the vision sensor image
Job end
(X3)
Pattern_1 PASS
(X0)
Pattern_1 FAIL
(X1)
(1) Turn on the set time.
Contents
It turns on when the captured image matches the model
(feature) set in Pattern_1.
ON: Pattern match
OFF: Pattern mismatch or capture not implemented
It turns on when the captured image differs from the
model (feature) set in Pattern_1.
ON: Pattern mismatch
OFF: Pattern match or capture not implemented
It turns on when the vision sensor is online.
ON: Online
OFF: Offline, or discrete online
It turns ON for the set time when image capture
processing is completed.
When the trigger setting of the vision sensor is set to
[Camera], image capture is executed with OFFON.
To execute again, please set it to ONOFF once, then
OFFON.
Turn on when making the vision sensor online in discrete
online status.
Turn off when making the vision sensor the discrete
online status.
Processing Processing
(1)
Match
(1)
Mismatch
2.3 Setting the Programmable Controller
Remarks
When the vision sensor is not in the
online status, this signal turns off.
When the vision sensor is not in the
online status, this signal turns off.

For the setting of ON time, refer to
Page 37 Outputting to the
programmable controller.
It becomes enabled only when the
vision sensor is online.
If the vision sensor is in the offline
status, it will not go online even if it is
turned on.
Turn ON/OFF with the
programmable controller
(Program).
Turn ON/OFF the vision
sensor automatically.
2 I/O CONNECTION
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