Automation Direct VFD GS1, GS2, DuraPulse (GS3) & DuraPulse (GS4) Simple Volt/Hertz control. Sensorless vector control with autotune. IGBT Technology. Removable smart keypad with parameter upload/download. RS-485 Modbus communication with optional Ethernet communication. Inquire about product Product inquiry FormYour NameEmail AdressPhone NumberCompany NameYour MessageSubmit Form Previous Post Automation Direct C-More Headless HMI Next Post EZAutomation EZRack PLC Modular