Lumel P30U series - Averaging Time; Maximum and Minimum Values of Measured Signals; Mathematical Operations on Measured Values

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5.5.1.4. Averaging time
 Variousaveragingtimeofthemeasuredvaluecanbedefined
in transducer P30U. Averaging time of measured value can be
set within 0.075...0,2...20 s range – the moving window averaging
functionhasbeenused.Theminimaltimebelow0,2scanonlybeused
for input types:
Voltage -10..10V
,
Voltage -24..24V
,
Current -20..20mA.
5.5.1.5. Maximum and minimum values of measured signals
 The P30U transducer has been fitted with the function
of storing minimum and maximum value with the time and date
ofoccurrence.Minimumandmaximumvaluearestoredafterapower
supply loss, they can be read and reset using transducer registers
via Modbus protocol (RS-485, TCP/IP – see table 37, WWW server,
theycanalsobedisplayedonthedisplayusingthefollowingkeys:
  - the maximum value,  - the minimum value.
Erasingtheminimumandmaximumvalueispossibleviakeypadafter
pressingthecombinationof and .
5.5.1.6. Mathematical operations on measured values
 Thetransducerenablestheperformanceofadditionalmathe-
maticaloperationsonthe measuredvalue.Thefollowingmathematical
operationshavebeenimplementedinthetransducer:
mathematicalfunctions,
21-pointindividualcharacteristic,
displayrangelimit(maininputonly).
Thewayinwhichthemathematicaloperationinfluencesthemeasured
valueisshownatfig.12.Switchingonandselectionofthemathematical
operationispossibleviathekeypad,Modbusprotocol(RS-485,TCP/IP)
andWWWserver.
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