Danfoss VLT AutomationDrive FC 301 Programming Manual

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Danfoss VLT AutomationDrive FC 301 Programming Manual Manual pdf 62 page image

3.5 Parameters: 3-** Reference/RampsParameters for reference handling, definition of limitations,and configuration of the reaction of the frequencyconverter to changes.3.5.1 3-0* Reference Limits3-00 Reference RangeOption: Function:Select the range of the reference signal and thefeedback signal. Signal values can be positive only,or positive and negative. The minimum limit mayhave a negative value, unless [1] Speed closed loopcontrol or [3] Process is selected in 1-00 Configu-ration Mode.[0] Min -MaxSelect the range of the reference signal and thefeedback signal. Signal values can be positive only,or positive and negative. The minimum limit mayhave a negative value, unless [1] Speed closed loopcontrol or [3] Process is selected in 1-00 Configu-ration Mode.[1] -Max -+MaxFor both positive and negative values (bothdirections, relative to 4-10 Motor Speed Direction).3-01 Reference/Feedback UnitOption: Function:Select the unit to be used in Process PID Controlreferences and feedbacks. 1-00 ConfigurationMode must be either [3] Process or [8] ExtendedPID Control.[0] None[1] %[2] RPM[3] Hz[4] Nm[5] PPM[10] 1/min[12] Pulse/s[20] l/s[21] l/min[22] l/h[23] m³/s[24] m³/min[25] m³/h[30] kg/s[31] kg/min[32] kg/h[33] t/min[34] t/h[40] m/s[41] m/min[45] m3-01 Reference/Feedback UnitOption: Function:[60] °C[70] mbar[71] bar[72] Pa[73] kPa[74] m WG[80] kW[120] GPM[121] gal/s[122] gal/min[123] gal/h[124] CFM[125] ft³/s[126] ft³/min[127] ft³/h[130] lb/s[131] lb/min[132] lb/h[140] ft/s[141] ft/min[145] ft[150] lb ft[160] °F[170] psi[171] lb/in²[172] in WG[173] ft WG[180] HP3-02 Minimum ReferenceRange: Function:Sizerelated*[ -999999.999 -par. 3-03ReferenceFeed-backUnit]Enter the minimum reference. Theminimum reference is the lowestvalue obtainable by summing allreferences.Minimum reference is active onlywhen 3-00 Reference Range is set to[0] Min.- Max.The minimum reference unitmatches:• The configuration of1-00 Configuration ModeConfiguration Mode: for [1]Speed closed loop, RPM; for[2] Torque, Nm.• The unit selected in3-01 Reference/FeedbackUnit.Parameter Descriptions VLT® AutomationDrive FC 301/302 Programming Guide60 MG33MH02 - Rev. 2013-09-3033