SmartPAC PRO Servo User Manual
1147100
Chapter 6
– Run Mode
169
The On/Off actuation angles displayed in the Sensor window are not updated on every stroke. For
green and green quick check sensors, SmartPAC PRO Servo displays the earliest On and latest Off
angles for the current sequence of press strokes (you press UPDATE THE SENSOR ARC), updating
the display only when the sensor turns on before the previous earliest On signal or turns off after the
previous latest Off signal.
For green constant sensors, SmartPAC PRO Servo displays the latest On and earliest Off angles,
updating the display only when the sensor turns on after the previous latest On angle and turns off
before the previous earliest Off angle.
EXAMPLE
If the On angle for a green quick check sensor fluctuates between 190° and 195° from stroke to
stroke, SmartPAC PRO Servo continuously displays 190°
as the sensor’s On value. However, if
the On angle changes to 189°, SmartPAC PRO Servo displays the On angle as 189° on the
next stroke.
To clear the actuation angles displayed for a sensor, press UPDATE THE SENSOR ARC. If the press
is stopped, the Sensor window displays zeros. If the press is running, SmartPAC PRO Servo displays
the actuation angles for the next stroke.
NOTICE
Pressing UPDATE THE SENSOR ARC will not properly update sensor actuations when you are
using a mechanical sensor, which vibrates constantly during the stroke. It is better to use an
electronic sensor, which is not prone to constant contact bounce..
Pressing CHANGE REFERENCE ANGLE changes the reference angle used to determine
earliest/latest On and Off signals from 0°, the default, to 180°. Executing this function may be
necessary to correct On readings for green and green quick check sensors that actuate before and stay
actuated after TDC. When 0° is the reference angle, there can be no earliest On angle for a sensor that
turns on before and off after 0° since angles just before TDC (e.g., 330°) are numerically greater than
those just after TDC (e.g., 30°). You should press CHANGE REFERENCE ANGLE whenever the
On/Off settings in the Sensor window do not match the start and end points of the green actuation arc
on the clock diagram.
To adjust the Ready signal for green sensors, do the following:
NOTICE
IF YOU DO NOT KNOW READY SIGNAL TIMING FOR GREEN SENSORS
If you are unsure of when the sensor turns on and off, program estimated settings in Program
mode, load the tool, and turn off the sensor, using the SENSOR ENABLE/DISABLE & STATUS
item (see page 156) on the Main Program Menu. Turning the sensor off prevents nuisance stops
when you switch to Run mode.
Then, without reloading the tool, turn the Program/Run switch to RUN and perform the procedure
shown below. When you are finished adjusting settings in Run mode, go back to Program mode
and turn the sensor back on.
1.
On the Die Protection Menu, select the desired sensor. The Ready Signal Programming screen
displays.
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