... Without PG Vector,V/F Control,Torque control ac driver, frequency inverter Function descriptionSpecification indexesControl natureControl modeControl Without PG Vector,V ... )Stable speed precision±0.5%Max speed(SVC) JR6000 series frequency inverter,vector type and V/F control type,has powerful ... high prize from customers,for its high quality and stability VFD JR6000-022G/030P-4