Siemens ET 757 E Series Instrucciones de operaciones descargar pdf (Pagina 94)

Commissioning and optimization (software)

7.3 Commissioning and optimization of the drive application

ET 200pro FC

94 Operating Instructions, 11/2007, A5E01100763B AA

Skip Frequency

Parameter Description Setting

P1091 = 7.5 Skip frequency 1 (entered in Hz)

Avoids mechanical resonance effects and suppresses (skips)

frequencies in the range around the skip frequency ± P1101

(skip frequency bandwidth).

P1092 = 0.0 Skip frequency 2

P1093 = 0.0 Skip frequency 3

P1094 = 0.0 Skip frequency 4

P1101 = 1.0 Skip frequency bandwidth (entered in Hz)

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Ramp times

Parameter Description Setting

P1120 = 10 Ramp-up time

Enter the acceleration time in seconds.

P1121 = 10 Ramp-down time

Enter the deceleration time in seconds.

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Rounding

Parameter Description Setting

P1130 = 5.0 Ramp-up initial rounding time (in seconds)

P1131 = 5.0 Ramp-up final rounding time (in seconds)

P1132 = 5.0 Ramp-down initial rounding time (in seconds)

P1133 = 5.0 Ramp-down final rounding time (in seconds)

P1134 = 0 Rounding type

0: continuous smoothing (jerk-free)

1: Discontinuous smoothing

NOTE: for discontinuous rounding (P1134 = 1),

after the setpoint is reduced or an OFF1

command, the final rounding at ramp-up (P1131)

and the initial rounding at ramp-down (P1132)

are not executed.

The rounding times are recommended, to

avoid abrupt responses and so to minimize

stress to the mechanical system.

The ramp-up and ramp-down times are

extended by the component of the rounding

ramps.

1 2 ... 89 90 91 92 93 94 95 96 97 98 99 ... 189 190

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Siemens ET 757 E Series Instrucciones de operaciones Pagina 94

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