Driver Input and Output Circuits

• Input Circuits

All inputs are photo coupler isolated. A minimum 15mA driving current is required to guaranty the photo coupler to function at the specified higher speed. When the input signal voltage level is higher then 5VDC, a series resistor has to be used to limit the drive current not to exceed 25mA. Input ON means the photo coupler is activated. For a common source input On = LOW and for a common ground input, ON = HIGH.

    

• Output Circuits

ALL OUTPUT CIRCUITS ARE PHOTO COUPLER ISOLATED WITH A 50MA DRIVE CAPABILITY. OUTPUT ON = THE PHOTO COUPLER IS ACTIVATED

• Input Signal Timing Chart