User Manual of EM730 Series Inverter protection warning. The larger this value, the less the warning is advanced. time curve of load by F07.02, the multi-function digital DO terminal of the inverter will output When the cumulative output current of the inverter is greater than the product of the inverse the valid signal “17: Motor overload pre-alarm”. F07.06=0X: Invalid external braking unit. The overvoltage stall is invalid. It is recommended not to set it to 0 in the case of no The undervoltage stall is also invalid. When the value in the ones place is 1 or 2, F07.30 is the reference deceleration time. F07.06=1X:
Valid overvoltage stall When the overvoltage stall is valid, the stall control voltage is dependent on F07.07. The DC bus overvoltage is usually caused by deceleration. Due to the energy feedback during deceleration, the DC bus voltage will rise. When the DC bus voltage is greater than the overvoltage threshold and the overvoltage stall is valid (F07.06=1X), the deceleration of the inverter will be suspended, the output frequency will remain unchanged, and the energy feedback will be stopped until the DC bus voltage is normal. Then the inverter will restart deceleration. The process of overvoltage stall protection in deceleration is shown in Fig. 7- 23.
220 Function code Function code name Parameter description Unit Default setting Attribute Mailing address F07.06 Bus voltage control options Ones place: instantaneous stop/no-stop function options 0: invalid 1: deceleration 2: deceleration to stop Tens place: Overvoltage stall function options 0: invalid 1: valid 2 〇 0x0706 F07.07 Voltage of overvoltage stall control 110.0 ~ 150.0 (380V, 100.0 = 537V) % 131.0 (703V) 〇 0x0707