LMI PUMP DRIVE CONTROL TYPE-AD9: This newest LMI pump drive is the advanced Excel drive. The LCD display allows manual stroke length and stroke frequency adjustment. Features auto/manual stroke frequency control, external pulse input or 4-20mA input to control stroke frequency, external pulse multiply/divide, remote on/off, low-level float switch input, alarm output, pulse or 4-20ma output, 24v output, remote mode input and more.