BEKA BA337E, Руководство пользователя

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6.11 Position of the decimal points:
dP
The upper and lower displays have eight and six digits
respectively. This function enables the position of the
decimal point on both displays to be independently
positioned.
To adjust the position of the decimal points select
dP
from the configuration menu and press
(
. The
upper display defined as the rate or total display by
function
di5P-1
(section 6.9) will be activated and
identified by the display annunciator as Rate or Total.
The decimal point is positioned by operating the
&
or
*
push button.
In the total display the
&
button moves the position
of the decimal point to the left and the
*
button
moves it to the right. It may be positioned between
any of the 8 digits or absent by moving it to the right of
the least significant digit.
When the decimal point in the upper display has been
positioned pressing the
(
button will transfer control
to the lower display variable, but it will be shown and
annunciated on the larger upper display. The position
of the decimal point may be positioned in the same
way between any of the five right hand digits or
absent by operating the
&
or
*
push buttons.
When set as required enter the settings and return to
the configuration menu by operating the
)
button.
6.12 Flowmeter K-factor:
FACtor
The rate totaliser pulse input is divided by
FACtor
,
which is adjustable between
0 . 0001
and
99999
,
for flow applications
FACtor
should be set to the K-
factor of the flowmeter. K-factor is the number of
pulses that the flowmeter produces per unit volume of
flow e.g. 20 pulses per litre,
FACtor
therefore
converts the flowmeter output into engineering units
ready for further scaling to produce the required rate
and total flow displays. See Fig 9.
When the 16 segment lineariser
Lin
is selected in
FunCtion
up to 16 values of
FACtor
may be entered,
each at a specified input pulse frequency to
compensate for flowmeter non-linearity. See section 7
of this manual.
To check or change the value select
FACtor
from the
configuration menu and press
(
which will reveal the
existing value with one digit flashing.
The flashing digit may be adjusted by pressing the
&
or
*
button. When this digit has been adjusted
pressing
(
will transfer control to the next digit.
When all the digits have been adjusted pressing
(
will transfer control to the decimal point that may
be positioned between any of the digits, or may be
omitted by moving it to the right of the least significant
digit. When set as required, press
)
to return to the
FACtor
prompt in the configuration menu.
6.13 Total scale factor:
5CALE . t
5CALE.t
is a dividing factor adjustable between
0 . 0001
and
99999
that enables total flow to be
displayed in the required engineering units. e.g. if
the output from
FACtor
is one pulse per litre and the
total display is required in thousands of gallons,
5CALE . t
should be set to 4546.1 which is the number
of litres in 1,000 imperial gallons. The total flow
display is independent of the rate display.
To check or change the total scale factor select
5CALE . t
from the configuration menu and press
(
which will reveal the existing value with one digit
flashing. The value of the flashing digit may be
changed by pressing the
&
or
*
button. When
this digit has been adjusted as required, pressing
(
will transfer control to the next digit. When all
the digits have been adjusted pressing
(
will
transfer control to the decimal point that may be
positioned between any of the digits, or may be
omitted by moving it to the right of the least
significant digit. When the required total scale factor
has been entered, press
)
to return to the
5CALE . t
prompt in the configuration menu.
6.14 Rate scale factor:
5CALE . r
5CALE . r
is a dividing factor adjustable between
0 . 0001
and
99999
that enables the flow rate to be
displayed in the required engineering units. e.g. if
the output from
FACtor
is one pulse per litre and the
rate display is required in gallons,
5CALE . r
should be
set to
4 . 5461
which is the number of litres in an
imperial gallon.
The units of the rate display are volume per unit of
time.
The unit of time is the timebase of the
instrument which is determined by
t-bA5E
described in section 6.15.
To check or change the rate scale factor select
5CALE . r
from the configuration menu and press
(
which will reveal the existing value with one digit
flashing. The value of the flashing digit may be
changed by pressing the
&
or
*
button. When
this digit has been adjusted as required, pressing
(
will transfer control to the next digit. When all
the digits have been adjusted pressing
(
will
transfer control to the decimal point which may be
positioned between any of the digits, or may be
omitted by moving it to the right of the least
significant digit. When the required rate scale factor
has been entered, press
)
to return to the
5CALE . r
prompt in the configuration menu.
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