IF Timeout(ReadyTimer) THEN
HMI should display error message "VVS did not finish conveyor homing"
Operator should press the RESTART button
Zero command
Restart the HOME command sequence
END IF
6.8.3 CENTERING command sequence
PLC command VVS status
Center material Set(BusyTimer,1000
msec)
Busy
Busy AND Material under sensor
AND Front roll down
AND Rear roll down
AND switch to body (optional)
AND Hold
AND Holded
AND NOT Hold
AND NOT Holded
AND switch to trailing end
Centering material ready OR NOT Material
under sensor after more than 5 seconds (dt)!
Note Centering is ready when:
the centering material ready bit is raised OR
the material under sensor bit falls off
because material is removed manually from
under the camera.
Zero status
1
1. ZERO STATUS is the situation where all bits, except the heartbeat bit, are set to zero.
IF Timeout(BusyTimer) THEN
HMI should display error message "VVS did not start conveyor centering"
Operator should press the RESTART button
Zero command
Restart the CENTERING command sequence
END IF
PARAMETERS
Communication scenarios
6
THINKING FORWARD
VMI Vision System VVS (OL82) VVSX 13.0.12.0, VVSU 3.0.6 / 4 / 2016-07-11 / pd#175592
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