Delta CFP2000 Series User Manual page 338

Selection for Stall Prevention

Settings
 A comparison between traditional stall prevention and smart stall prevention:
Type
Frequency
maintains during
Traditional
deceleration
Frequency
increases during
acceleration /
Smart
deceleration /
constant speed
 Pr.06-02 (Selection for stall prevention) can be used with Pr.01-49 (Regenerative energy
restriction control method), but Pr.06-02 cannot work with Pr.01-44 (Auto-acceleration and
auto-deceleration setting).
 When Pr.06-02 or Pr.01-49 is enabled (setting value > 0), Pr.01-44 (Auto-acceleration and
auto-deceleration setting) automatically disables (setting value = 0) and cannot be set; when
Pr.01-44 is enabled (setting value > 0), Pr.06-02 and Pr.01-49 automatically disable and cannot
be set.
 If you use smart over-voltage or smart over-current stall prevention for industries that require fast
response, you can decrease the deceleration time when needed.
 Related parameters:
Pr.06-01 Over-voltage stall prevention, Pr.06-03 Over-current stall prevention during acceleration,
Pr.06-04 Over-current stall prevention during operation, Pr.06-05 Acceleration / deceleration time
selection for stall prevention at constant speed, Pr.01-12–01-19 Acceleration / Deceleration time
1–4, and Pr.02-13–02-15 Multi-function output (Relay 1–3).
0: Traditional over-voltage and traditional over-current stall prevention
1: Smart over-voltage and traditional over-current stall prevention
2: Traditional over-voltage and smart over-current stall prevention
3: Smart over-voltage and smart over-current stall prevention
Over-voltage
Description Action
Deceleration
stops
Frequency
gradually
increases
Chapter 12 Description of Parameter SettingsCFP2000
Parameter Description
Frequency
maintains during
acceleration
Pr.06-01
Frequency
decreases at
constant speed
Frequency
decreases
during
acceleration /
Pr.06-01
deceleration
Frequency
decreases at
constant speed
12.1-06-2
Default: 0
Over-current
Action Parameter
Acceleration
Pr.06-03
stops
Frequency
gradually
Pr.06-04
decreases
Frequency
gradually
Pr.06-03
decreases
Frequency
gradually
Pr.06-04
decreases