Cannon Instrument miniAV-X - Manual (Page 83)

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CANNON ® miniAV-X Automatic Viscometer with VISCPRO ® Instruction & Operation Manual
Version 1.0b— March, 2012; CANNON ® Instrument Company
2139 High Tech Road • State College, PA 16803 • USA
Carousel Adjustments
Homing the Carousel
1. From the Service menu in ViscPRO, select miniAV-X Motor Control.
2. Check Home Motors.
3. Click Start.
4. The carousel will home itself.
NOTE Factory Preset refer to the instructions below only if out of Adjustment.
Adjusting sample tray height
1. Ensure the R208 driver units have been properly adjusted and the
power is off.
2. Open the motor driver housing and connect a multi-meter to GND and
EHOME.
3. Rotate the 7/64 socket cap head screw (located within the exhaust
port) clockwise until it stops.
4. Set the multi-meter to the continuity setting.
5. Rotate the socket head cap screw counter clockwise until continuity is
achieved.
6. Once continuity has been achieved rotate the screw an additional turn.
7. Rotating the socket head cap screw in a clockwise manner lowers the
sample tray. Rotating the socket head cap screw in a counter-
clockwise manner raises the sample tray.
Adjusting Sample Tray Force
1. Ensure the stepper motors are disconnected from the R208 units and
power to the instrument is off.
2. Connect the positive probe of the voltmeter through the slot of the
elevate R208 cover and attach it to the lead of the potentiometer. The
elevate driver is located closest to the instrument.
3. Connect the negative probe of the voltmeter to logic ground (“-” lead
of C2).