JUMO 706521, Руководство по эксплуатации

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7 Configuration
148
Parameter
Parameter Selection/settings Description
Function Without function Function is switched off.
Formula Mathematical links with freely selectable
variables and operators
Differential (a-b) Differential of variable a and variable b
Ratio (a/b) Ratio of variable a to variable b
Humidity (a;b) Calculation of relative humidity
Variable a: Dry-bulb temperature
Variable b: Wet-bulb temperature
Floating average (a;t) Floating average of variable a (sampling
interval 1 s)
Channel designa-
tion Mat ...
Use default text or enter other text.
Name (abbreviation) with max. 5 charac-
ters that is used in the visualizations.
Channel descrip-
tion Math ...
Use default text or enter other text.
Description (designation) with max. 21
characters (e.g. for curve diagram)
Temperature None The math result is displayed in the en-
tered unit
Temperature difference The math result is a temperature differ-
ence and is shown in °C or °F (depend-
ing on the device settings).
Temperature value The math result is a temperature value
and is shown in °C or °F (depending on
the device settings).
Unit 5 characters ( % ) Unit in which the math result (analog val-
ue) is displayed.
Start of display
range -99999 to 0 to +99999 Lower limit of display range for graphical
display
End of display
range -99999 to 100 to +99999 Upper limit of display range for graphical
display
Decimal places Number of pre-decimal and decimal places for the numerical display of the math re-
sult
Even if the number of decimal places is fixed, the format is automatically changed
if needed in order to display all digits before the decimal point.
Auto
Automatic
XXXXXp No decimal place
XXXXpX One decimal place
XXXpXX Two decimal places
XXpXXX Three decimal places
XpXXXX Four decimal places
Response in case
of a fault Behavior if the math function does not produce a valid result due to an invalid input
value.
Output error value The math error value 5.0E+37 is output.
Output replacement value The replacement value is output.
Replacement val-
ue -99999 to 0 to +99999 Replacement value for output in the
event of a fault.
Time const. for
average value
(min) 1 to 9999 Time constant in minutes for calculating
the floating average
?