Lenze EVS9332xP Manual do Utilizador descarregar pdf (Página 191)

100

101

Commissioning

Current controller adjustment

6.7



6.7−3

EDSVS9332P EN 5.0−07/2013

 

9300std091 9300std092

Fig. 6.7−2 Current characteristic for non−optimum controller adjustment

 Current rise of motor current too slow

Reset time T

(C0076) too long and/or gain V

(C0075) too small

Measured at time base 200 ms/DIV

 High−frequency oscillations of motor current, motor noises may occur

Reset time T

(C0076) too short and/or gain V

(C0075) too large

Measured at time base 200 ms/DIV

8. Check the transient response over a longer period of time (e.g. with

time base 4000 ms/DIV). The motor current must reach the final

steady−state value within the shortest possible time.





9300std093

Fig. 6.7−3 Transient response of motor current over longer period of time

 Optimum transient response

 Final steady−state value is reached too slowly

Measured at time base 4000 ms/DIV

9. When the current controller adjustment is completed, reset the

temporary settings:

– Set the initial values again in C0006, C0022 and C0025. If necessary,

reconnect the encoder cable to X8.

– Connect the inputs MCTRL−M−ADD and MCTRL−N−SET with the initial

signals.

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