Grain Systems PNEG-1544 - Manual (Page 13)

3. SCR Drive Setup
PNEG-1544 Vision SCR Board Calibration 13
7. Press the “Diagnostics” button to display the “Systems Diagnostics” screen, then press the “Setup
Metering Rolls” button. (See Figure 3I.)
Figure 3I
8. Use a voltmeter to read DC voltage. Place the red lead on the A+ terminal of the SCR Board and
the black lead on the A- terminal. ( See Figure 3C on Page 9 for the location of these terminals
and Figure 3A on Page 7 for the location of the SCR Board. Touch the Minimum Speed “Up” and
“Down” buttons and watch the display on the voltmeter. The voltage reading on the voltmeter should
be as close to 9 VDC as possible. Once the voltmeter displays this, touch the “ACCEPT” button.
(See Figure 3J.)
Figure 3J
Setup metering
rolls
Up and down buttons Accept button