Danfoss VLT AQUA High Power Operating Instructions Manual

Also see for vlt aqua: Instructions Design guide Instruction manual Operating instructions Design guide

Contents

[2] Manual0-76 DST/Summertime StartRange: Function:2000-01-0100:00 *[2000-01-01 00:00 –2099-12-31 23:59 ]Sets the date and time when summertime/DST starts. The dateis programmed in the format selected in par. 0-71.0-77 DST/Summertime EndRange: Function:2000-01-0100:00 *[2000-01-01 00:00 –2099-12-31 23:59 ]Sets the date and time when summertime/DST ends. The dateis programmed in the format selected in par. 0-71.1-00 Configuration ModeOption: Function:[0] * Open loop Motor speed is determined by applying a speed reference or bysetting desired speed when in Hand Mode.Open Loop is also used if the frequency converter is part of aclosed loop control system based on an external PID controllerproviding a speed reference signal as output.[3] Closed loop Motor Speed will be determined by a reference from the built-in PID controller varying the motor speed as part of a closedloop control process (e.g. constant pressure or flow). The PIDcontroller must be configured in par. 20-**, Drive Closed Loopor via the Function Setups accessed by pressing the [Quick Me-nus] button.This parameter can not be changed when motor is running.NB!When set for Closed Loop, the commands Reversing and Start Reversing will notreverse the direction of the motor.3-02 Minimum ReferenceRange: Function:0.000Unit*[-100000.000 – par.3-03]Enter the Minimum Reference. The Minimum Reference is thelowest value obtainable by summing all references.3-03 Maximum ReferenceOption: Function:[0.000Unit] *Par. 3-02 -100000.000Enter the Maximum Reference. The Maximum Reference is thehighest value obtainable by summing all references.VLT AQUA High Power Operation Instructions 4. How to programme the frequency converterMG.20.P1.02 - VLT ® is a registered Danfoss trademark 834