4.5 Totalizer (Optional, if included)
The totalizer is available as part of the data logger option or as a stand-alone option.
The stand-alone version does not include the RS232 output for downloading data to a
PC. The totalizer memory can hold roughly 25,000 load values and these can be
stored in load groups whose combined totals will be separate from one another.
To store a load in the system's memory, press TOTAL. The display will then show
TOTAL and then N# (this # is the current total number of loads in the memory for
the current group of loads). The display will read ADD followed by N# (this # will
be the current load just stored, one number higher than the former N#). Finally it will
display the combined total of all loads stored in the group before going back to the
standard display screen.
A special “filter” in the totalizer program prevents the user from mistakenly adding
the same load twice. This is a very practical feature, because if the operator is unsure if
he has already added the current load, he just has to try to add it. If it has already been
entered, the system will reject it.
This “filter” is based on the fact that a load reading of zero must be sensed by the
system in between loads. If the system does not find a zero value before the current
load is entered into the totalizer, it will reject it. Zero for this purpose is between 3%
and -3% of the system's capacity. The totalizer will reject duplicate loads by displaying
DOUBLE followed by IGNOR.
The system will only accept loads having the same Tare mode i.e. GROSS or NET. If
the first load to be entered in the totalizer memory is NET, then no GROSS loads will
be accepted. In such a case, ERR.34 will be displayed.
The totalizer can store several groups of loads. After one or more loads are recorded
into the memory the user may press TOTAL then ESC to start a new group of loads.
The display will show NEW. Upon storing new loads, the N# that appears will start
again at zero. Note that in order to start a new load group, the system must be at a
zero reading (between 3% and -3% of full scale). If this is not the case, the
DOUBLE/IGNORE message will be displayed.
At any time the user may press and hold TOTAL to see the current sum of loads of the
current load group.
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