Model 574 Programmable Counting System (PCS)
14 - GSE Scale Systems
This parameter is used to disable scale 1. When disable
is selected, its setup and calibration are erased from
EEPROM memory.
P101.01 Scl 1 Saved
This parameter is used to save setup and calibration data
while still disabling scale 1. When disable is selected, its
setup and calibration are retained in EEPROM memory,
while the scale is disabled. Scale 1 may not be selected
from the weigh mode in this setup.
P101.02 Scl 1 Enbld
This parameter is used to enable scale 1. When enable is
selected, its setup and calibration are retained in
EEPROM memory, and scale 1 may be selected from the
weigh mode.
P102.00 thru P103.02 are identical to P101.00 thru
P101.02 for scales 2 and 3 when the Multi-Scale option
is installed. Scale input 1 is standard on the 574. Scale
input 2 and 3 are each a separate option.
P105.- - Exc=
This parameter is used to select AC or DC excitation of
the load cells. On all 574 boards version A and B, DC
excitation should be selected. This is a factory default
setting.
Press <ENTER> to cycle through the available choices.
When the correct selection is displayed, press
<SELECT> to proceed to the next parameter.
It is recommended that later version boards use AC
excitation in heavy RFI and variable temperature
environments. This is especially true when a multi-scale
option card is installed. The AC excitation will eliminate
any drifting due to temperature changes and RFI.
Any systems that can exploit the benefits of AC
excitation probably should. Accuracy fluctuations with
temperature can be virtually eliminated.
P110.- - F.S.=
This parameter is used to determine the scaling of the
instrument. Enter the intended full scale capacity of the
connected load cell or weighing platform and press
<ENTER>. Any value from 0.01 to 1,000,000 can be
entered here. If you enter a value over 99,999, the
indicator will round off the last three digits to .K, such as
100.K for 100,000. Press <SELECT> to save your
choice and continue to the next parameter. As an
example, if a 200 lb rated platform is to be used only up
to 150 lb, then enter 150 for P110. This will insure an
overload indication at applied loads greater than 150 lb
and provide the greatest precision.
P111.XX 1 div
This parameter is used to define the weighing divisions
(i.e. the count-by and decimal point placement). The
selection made here will also determine the resolution of
the 574 such that resolution equals the full scale value
entered into P110 divided by the value selected for P111.
If uncertain of the choice, press <CLR> and the 574 will
automatically assign a division size based on a resolution
of 10,000. Otherwise press <ENTER> to cycle through
the available choices. When the correct selection is
displayed, press <SELECT> to proceed to the next
parameter.
P112.XX ZTapr
This determines the Zero Track aperture. This sets the
window for Zero Tracking measured in terms of the
divisions specified in parameter P111. Selection 0 will
disable the zero track feature. Press <ENTER> to cycle
through the available selections. When the correct choice
is displayed, press <SELECT> to advance to the next
parameter. Remember that you could key in the selection
number (in tenths of a division) and press <ENTER> to
make a selection and then press <SELECT> again to
advance to the next parameter.
P113.XX ZTdly
This sets the time period that must elapse before the zero
NOTE:
In order to comply with NIST H-44 regulations,
when the displayed increment is 10 or more and
the data is exactly zero, the displayed and printed
data will include more than one zero. For
example, if the count-by is 10 the zero indication
would be 00.; if the count-by is 500, zero would
be shown as 000..
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