LINK Systems OmniLink 5000 - Manual (Page 40)

April 17, 2000 Man ual Revisio n 1.0
4.19
p) Low Limit Bar - This line (in blue) graphically shows where the low limit is set
with respect to the tonnage waveform. Notice that the line only
exists where the data window is active. For a “good” hit, some
part of the tonnage waveform between the data window start angle
and the data window end angle should extend above this line. The
“L” to the right of the line is for “Low”.
q) High Limit Bar - This line (in red) graphically shows where the high limit is set with
respect to the tonnage waveform. Notice that the line only exists
where the data window is active. For a “good” hit, no part of the
tonnage waveform from the data window start angle to the data
window end angle should extend above this line. The “H” to the
right of the line is for “High”.
r) Information Box - Notice that the reverse setpoint information is not present as it was
when peak settings were viewed as data windows do not have
reverse setpoints. Instead, the data window starting and ending
angles are displayed.
Section 4.5.1 Viewing the Graph
The particular part of the tonnage graph to be shown is controlled through three parameters and a few
softkeys.
Section 4.5.1.1 Graph Start Angle
The graph start angle (the number directly under “__START__” in Figure 4.5) specifies the crankshaft
angle at which to begin displaying the tonnage waveform. This should not be confused with the start
angle of a data window. The graph can not be set to start before the start of the working portion of the
stroke (see start of the sample window in machine settings configuration screen). The graph in Figure
4.5 is set to start at 160 degrees. To change this value, place the editing cursor on the graph start angle
parameter using the up and down arrow keys. Then, use the numeric keypad and press the ENT key.
Section 4.5.1.2 Graph End Angle
The graph end angle (the number directly under “__END__” in Figure 4.5) specifies the crankshaft
angle at which to stop displaying the tonnage waveform. This should not be confused with the end angle
of a data window. Note that the graph end angle may not always be exactly the value entered but is
calculated by the tonnage monitor due to the way it handles the waveform. The minimum difference
between the graph start and end angle is 5 degrees and the maximum is 220 degrees. The graph of
Figure 4.5 has a graph end angle of 200 degrees. To change this value, place the editing cursor on the
graph end angle parameter using the up and down arrow keys. Then, use the numeric keypad and press
the ENT key.