JUMO 701550 di 308 - Digital Indicator Operating Manual - Manual (Page 63)

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8 Extra codes
8.1 Math and logic module
Prerequisite: The „Math“ extra code must be enabled.
vSetup program (Extras -> Enable extra codes)
The Setup program can be used to carry out two
mathematical calculations or logical combinations of
various signals and process variables from the
controller. The formula is created by means of a
formula editor.
vSetup program (Math/Logic)
With math formulae, the calculated result is presented
through the two signals „Math 1“ and „Math 2“ of the
analog selector. With logic formulae, the result of the
logical combinations is available through the signals
„Logic 1“ and „Logic 2“ of the binary selector when
configuring the binary functions.
vChapter 7.4 „Binary functions „BINFUNCT““
Entering
formulae
- The string of characters in the formula consists of
ASCII characters. It can have a maximum length of
60 characters.
- The formula can only be entered in the setup
program.
- Formulae can be freely entered according to the
standard mathematical rules.
- In the string of characters of the formula, spaces
can be inserted as required. Spaces are not
permitted within function designations, variables
names and constants.