Toshiba TOSVERT VFS15-2004PM-W1 Instruction Manual

Also see for TOSVERT VF-S15 series: Function manual Quick start manual Instruction manual Instruction manual Instruction manual

E6581611F-8365) Adjusting feedback inputMake adjustment by converting input level of the feedback amount into frequency. Refer to section 6.6.2 fordetails.Example of 0 - 10 Vdc voltage inputsettingExample of 0 - 10 Vdc voltage inputsettingExample of 4 - 20 mAdc voltage inputsetting(60Hz)(0Hz)0V0%10V100%VIA input valueOutput frequency13(60Hz)11(0Hz)0V100%5V12100%VIB input valueOutput frequency19(60Hz)17(0Hz) 4mA1620%20mA18100%VIC input valueOutput frequency6) Setting the time elapsed before PID control startsWaiting time until starting PID control system can be set to avoid PID control until the control systembecomes stable.The inverter ignores feedback input signals, carries out operation at the frequency determined by the amountof processing for the period of time specified with f359, and enters the PID control mode after the elapsedtime.7) PID control forward/reverse characteristic switchPID input characteristics can be reversed.Process quantityFeedback amount−×(-1)PID OutputOpposite characteristicOriginal characteristicCharacteristic selection (parameter or terminal input)x When characteristic is reversed according to parameters, set PID calculation reverse selection parameterf380 is 1: Set reverse characteristics.x When characteristic is reversed using logic input terminal, assign function number 54/55, PIDcharacteristics switching, to an input terminal.Note) If reverse characteristics is selected for parameter f380 and terminal input at the same time,