Burkert 8694 - Charact; Characteristic Correction between Input Signal (Position Set-Point Value) and Stroke

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Operation and function
16.1.3 CHARACT -
Characteristic correction between input signal (position set-
point value) and stroke
Characteristic(customer-speciccharacteristic)
This function can be used to activate a transfer characteristic with respect to set-point value (set-point
position)andvalvestrokeforcorrectionoftheow-rateoroperatingcharacteristic.
Thetransfercharacteristiccanbechangedviathecommunicationssoftwareonly.
Factory setting: DIP switch 3 set to OFF (linear)
DIP Switches Position Function
3 ON Correction characteristic for adjustment of the operating charac-
teristic
(linearization of the process characteristic CHARACT)
30)
OFF Linear characteristic
Table 33: DIP switch 3
TheswitchingpositionoftheDIPswitchesinthepositionerhaspriorityoverthecommunications
software,i.e.settingsofthecorrectioncharacteristic(CHARACT)whicharemodiedwiththe
communicationssoftwareareonlyactiveifDIPswitch3inthepositionerissettoON.
Characteristics which can be selected via the communications software:
Characteristic Description
linear Linear characteristic
1 : 25 Equal percentage characteristic 1 : 25
1 : 33 Equal percentage characteristic 1 : 33
1 : 50 Equal percentage characteristic 1 : 50
25 : 1 Inversely equal percentage characteristic 25 : 1
33 : 1 Inversely equal percentage characteristic 33 : 1
55 : 1 Inversely equal percentage characteristic 55 : 1
FREE
User-denedcharacteristic,freelyprogrammablevianodes
Table 34: Selection of characteristics
30) The characteristic type can be changed with the communications software only.
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Type 8694 REV.2