User Manual of EM760 High-Performance Inverter If the free stop terminal has been set and enabled, the inverter will be immediately in the free stop status. Even ifthis terminal is disabled, the inverter will not restart running. Instead, the running command must be entered again to start the inverter. F04.20 : Set the starting frequency of DC braking in deceleration to stop. Once the output frequency is less than the set frequency during deceleration stop, and the time ofDC braking for stop is not 0, DC braking for stop will be enabled. F04.21 : Set different values to apply the torques of DC braking for stop. F04.22 : Set the duration of DC braking for stop.
IfF04.22=0.00, DC braking for stop will be invalid. When an external terminal sends a signal ofDC braking for stop, the duration ofDC braking for stop will be larger ofthe valid time ofthe signal ofDC braking for stop from the external terminal and the set time ofF04.22. F04.23 : When the output frequency reaches the set value ofF04.20 during deceleration to stop, and the set time ofF04.23 is up, DC braking will be enabled. Process of DC braking for stop is as shown in the figure below. Fig.
6-14 Process of DC braking for stop 114 Function code Function codename Parameter description Unit Default setting Attribute F04.20 Starting frequency of DC braking in stop 0.00 to maximum frequency F00.16 Hz 0.00 〇 F04.21 DC braking current in stop 0.0 - 150.0 (100.0 = rated current ofmotor) % 50.0 〇 F04.22 DC braking time in stop 0.00~30.00 0.00: invalid s 0.00 〇 F04.23 Demagnetization time for DC braking in stop 0.00~30.00 s 0.50 〇