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button in the center of the photo chopper to release the brake, and thereby release the tension on the actuator
motor. Then use the “+” button to pulse the motor so that the capacity slide is “just off” of its minimum position
and there is no tension on the motor shaft.
7. Quickly press and release the BLUE CALIBRATION BUTTON on the ACTUATOR motor once. The red LED will now
flash at a slower rate. This now instructs the ACTUATOR motor that this point is the minimum slide position. This
point will correspond to 0 volts AFTER the ACTUATOR calibration procedure is completed.
8. Use the “+” button on the microprocessor to drive the capacity slide to its maximum mechanical stop position.
This will be apparent by a slowing of the motor rotation and a winding sound from the actuator motor. When you
hear the motor wind-up, release the “+” button.
CAUTION: DO NOT CONTINUE TO ENERGIZE THE ACTUATOR MOTOR AFTER THE SLIDE HAS REACHED THE ME-
CHANICAL STOP. Doing so may cause mechanical damage to the motor or shear the motor shaft key. When the
slide has reached the mechanical stop position, press the button in the center of the photo chopper to release the
brake, and thereby release the tension on the actuator motor. Then use the “-” button to pulse the motor so that
the capacity slide is “just off” of its maximum position and there is no tension on the motor shaft.
9. Quickly press and release the BLUE CALIBRATION BUTTON on the ACTUATOR motor once. The red LED will stop
flashing. This now instructs the ACTUATOR motor that this point is the maximum slide position. This point cor-
responds to 5 volts. The ACTUATOR calibration procedure is completed.
Now the Capacity Channel is automatically calibrated based on the calibration settings made to the actuator.
10. Gently lower the plastic cover to where it contacts the base and o-ring seal. After making sure that the cover is
not binding, gently tighten the four # 10 Phillips screws.
CAUTION: it is possible to crack the plastic cover by over tightening the screws.
Repeat the same procedure for the Volume slide motor
Remove Cover
Press Down On
Photochopper
When the “Slide Valve Calibration” screen appears, then you can safely
connect the Power Cable (Yellow TURCK cable) and the Position Trans-
mitter Cable (Gray TURCK cable) to the Capacity motor. Press “+” or “-”
to move the slide valves to check the rotation. (See Table 1 below for
proper shaft rotation). If for any reason the “+” or “-” command on the
panel does not correspond to the slide increase or decrease, swap the
blue & brown wires of the Yellow TURCK cable in the control panel to
reverse the rotation of the motor.
6. Quickly press and release the BLUE CALIBRATION BUTTON on the AC-
TUATOR motor once. This instructs the ACTUATOR motor to enter the
calibration mode. The red LED on the actuator control board will begin
flashing. Use the “-” button on the microprocessor panel to drive the
capacity slide to its minimum mechanical stop position.
This will be apparent by a slowing of the motor rotation and a winding
sound from the actuator motor. When you hear the motor wind-up,
release the “-” button.
CAUTION: DO NOT CONTINUE TO ENERGIZE THE ACTUATOR MOTOR
AFTER THE SLIDE HAS REACHED THE MECHANICAL STOP. Doing so may
cause mechanical damage to the motor or shear the motor shaft key.
When the slide has reached the mechanical stop position, press the