Grain Systems PNEG-1544 - Manual (Page 14)

3. SCR Drive Setup
14 PNEG-1544 Vision SCR Board Calibration
9. After pressing the “ACCEPT” button, return to the “Default Operation Screen”.
10. Press the Meter Roll Adjustment knob to change the meter roll setpoint to 100% (1000) and then
touch “ACCEPT/EXIT” and return to the “Meter Roll Output Voltage Setup” screen.
11. Place the voltmeter leads on the A+ and A- terminals of the SCR Board as described previously and
touch the Maximum Speed “Up” and “Down” buttons to get a DC voltage reading of 180 VDC on
the voltmeter. Once the voltmeter reads as close to 180 VDC across both terminals, touch the
“ACCEPT” button.
12. Re-check both the minimum and maximum voltage to ensure both settings were accepted
as desired.
NOTE: Remember to go to the “Moisture Control Setup” screen and put the Minimum Speed setting back
to at least 5% and the Maximum Speed setting to a speed best suited for the unload equipment.