Assigning A Decimal Fix To A Point; Selecting Flowrate; Setting Scaling Time Base; Programming Engineering Units - Siemens SIREC D Handbuch

Programming
3. Decimal Fix - This Point Type must be as-
signed a decimal place of up to four places or sci-
entific notation. Decimal places affect displayed
point data values only. The choices are:
• 0 = X(no decimal places)
• 1 = X.X
• 2 = X.XX
• 3 = X.XXX
• 4 = X.XXXX
• 5 = Scientific Notation
a. Assigning a Decimal Fix to a Point - Use
the UP (↑) or DOWN (↓) Arrow Keys to highlight
"Decimal fix" and press ENTER.
b. Use the UP (↑) or DOWN (↓) Arrow Keys to
highlight the desired number of decimal places
required and press ENTER.
4. Programming a Basepoint - A Basepoint
must be established to perform the Totalize cal-
culations on.
a. Use the UP (↑) or DOWN (↓) Arrow Keys to
highlight "Basepoint" and press ENTER.
b. Use the UP (↑) or DOWN (↓) Arrow Keys to
highlight the desired point to be the basepoint
and press ENTER.
5. Flowrate - This function sets the scaling time
base for the input signal of /sec, /min, /hr, or /day.
a. Selecting Flowrate - In the Point Setup
Menu, use the UP (↑) or DOWN (↓) Arrow Keys
to highlight "Flowrate". and press ENTER. The
display will read "flow=/sec".
b. Setting Scaling Time Base - Use the UP (↑)
or DOWN (↓) Arrow Keys to highlight the de-
sired flowrate of /sec, /min, /hr, or /day and
press ENTER.
6. Engineering Units - Up to a five character en-
gineering units message may be assigned for
Calculated points.
a. Programming Engineering Units - Use the
UP (↑) or DOWN (↓) Arrow Keys to highlight
"Eng units" and press ENTER.
b. Use the alphanumeric keypad to enter the
desired Engineering Units message and press
ENTER.
7. Reset Control - Refer to Paragraph 4.6.11 be-
low for Reset Control programming instructions.
4-34
8. Low Cutoff - This function allows you to pro-
gram a low flow cutoff. If Totalization is not wanted
below a predetermined flow rate, Low Cutoff can
be set at that rate and no data will be added to the
value of the Totalizer.
a. Selecting Low Cutoff - Use the UP (↑) or
DOWN (↓) Arrow Keys to highlight "Low cutoff"
and press ENTER.
Î
"cut XXXXXXXXXXXXX
b. Use the Numeric keypad to move to a posi-
tion to enter the desired Low Cutoff value. Press
ENTER and the display returns to "Low cutoff".
9. Alarms - Refer to Alarms Setup in Paragarph
4.6.14 below for instructions on programming

alarms.

10. Chart Scale - Each point must be assigned to
a Chart Scale
a. Programming Chart Scale - Use the UP (↑)
or DOWN (↓) Arrow Keys to highlight "Chart
scale" and press ENTER. The display reads
"chart scl= X".
b. Use the UP (↑) or DOWN (↓) Arrow Keys to
select the Chart Scale numeral. When the de-
sired numeral is displayed, press ENTER and
the display returns to the "Chart scale" menu
item in the Point Setup Menu. To leave the pro-
gramming menu,
"COMMAND" prompt is displayed.
Siemens AG C79000-G7374-C211-01
The display reads
Í
".
press EXIT until
SIREC D Manual
the