85
9. Channel 2 3rd harmonic.
10. Channel 2 4th harmonic.
11. Channel 2 1st harmonic wave phase
Description: Test of transimpedance and unbalance signal amplifi ers. This test will take 12 seconds.
Special function: All values displayed in channel 1 are related to the rear transducers and those in channel 2 are
related to the front one.
Off set 1
ST
2
ND
3
rd
4
th
Phase
CHANNEL 1 0.00-0.10 0.10-0.25 0.00-0.02 0.03-0.08 0.00-0.01 -10°/+10°
CHANNEL 2 0.00-0.10 0.10-0.25 0.00-0.02 0.03-0.08 0.00-0.01 -10°/+10°
C104 Test the RC time constant of the unbalance transducers
Options: None
Special function: None
Description: Indication of the unbalance transducer RC time constants.
A “1” in the left and the right display will be indicated, if both transducers are OK.
Otherwise an error code will be displayed.
Comments: None
C110 Indication of the operating voltages supplied by the power supply module
Options: None.
Special function: None.
Description: Indication of the operating voltage, 5.0 VDC, supplied by the power supply module for the controller
board
Comments: Please refer to error ID 810 and 811 for the limits.
C111 Belt tension: Measure fi rst harmonic of the belt
Options: FOR STEEL VPM ONLY
Special function: None.
Description: Once this code is called up, the reading is a running “ - “.
After beating on the belt a beep indicates the start of the measurement. After 3 sec. a second beep indicates the end
of the measurement and the frequency is displayed. If the harmonic analysis doesn’t fi nd any signifi cant frequency,
“Err” is displayed until the next measurement is started.
The test should be repeated with diff erent forces during picking the belt and with diff erent sections of the belt (rotating
the main shaft).
The frequency is displayed in a range from 100 Hz up to 300 Hz.
The begin of a new measurement will be detected automatically.
Comments: Only for belt driven balancer.
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