PROGRAMMING SECTION MODEL YB8
April 1999/Manning Environmental Inc.
3DJH%
Time Override 2-6 Subsequent
Time Overrides that correspond to the equivalent Sampling Level.
The difference (delta) between t he Upper Level Limit and the Lower Level Limit is called the span (or
distance). In figure 2-3, the Upper Level Limit is 65 and t he Lower Level Limit is 4, so t he span is 61. The
controller divides the span into 256 equal steps, with each step equal to .39% (1/256) of the total. If a level
which is not a multiple of 1/256 is entered, the controller will indicate an acceptable entry. Up to 6 levels can
be entered, however data entry can be stopped at any time by pressing the * key. After the * key is pressed,
the LCD will prompt t he user t o either start t he Program o r add-on o ther o ptions.
NOTE: In order for the sampler to correctly scale the analog signal being output from the external device, the
parameters (in t his case Upper Level Limit and Lower Level Limit) set in t he sampler and the external device
must be the same. This is to ensure that if the external device is reading 10 feet and outputting a 4mA signal,
the sampler will also know t hat 10 feet is equal to 4mA. If the parameters do not correspond, there is a risk
that the sampler will potentially not scale the analog signal correctly and will subsequently not take samples at
the anticipated or correct instances.
Figure 2-3 The *09 Storm Water Sampling Mode
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