nord NORDAC FLEX SK 200E Series User Manual page 161

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Function encoder
P325
(rotary encoder function)
0 ... 4 The actual speed value supplied by an incremental encoder can be used for various functions in
the VFD.
{ 0 }
0 = speed meas. Servom, "Servo mode speed measurement": The actual motor speed value is
1 = PID actual frequency: The actual speed of a system is used for speed control. This function
2 = frequency addition: The calculated speed is added to the prevailing setpoint.
3 = frequency subtraction: The calculated speed is subtracted from the prevailing setpoint.
4 = maximum frequency: The maximum possible output frequency/speed is limited by the speed
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Ratio encoder
P326
(encoder ratio)
0.01 ... 100.0 If the incremental encoder is not mounted directly on the motor shaft, then the correct
transformation ratio of motor speed to encoder speed must be set.
{ 1.00 }
Only when P325 = 1, 2, 3 or 4, that is, not in servo mode (motor speed control)
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Speed slip error
P327
(speed controller slip error)
0 ... 3000 rpm The limit for a permitted maximum slip error can be set. If this value is reached, the VFD switches
off and indicates error E013.1. The slip error monitoring functions both with active and inactive
{ 0 }
servo mode (P300).
0 = OFF
Only when P325 = 0, that is, in servo mode (motor speed control).
(also see  P328)
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Speed slip error delay
P328
(slip error delay)
0.0 ... 10.0 s If the permissible speed slip error defined in (P327) is exceeded, fault message E013.1 is
suppressed within the time limits which are set here.
{ 0.0 }
0.0 = OFF
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BU 0200 en-US-4920
used for the VFD servo mode. ISD control cannot be switched off in this function.
can also be used to control a motor with a linear characteristic curve. It is also possible to
use an incremental encoder not mounted directly on the motor for speed control. P413 –
P416 determine the control.
of the encoder.
Motor speed
P326
Encoder speed
5 Parameter
S
S
S P
S P
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