Manual – MOVIPRO® SDC with DeviceNet Interface
101
10
Explanation of the parameters
Parameterization of MOVIPRO
®
P323/P333 Pre-
magnetization time
1/2
Setting range: 0 – 2 s
The premagnetization value of the matching motor is set as the factory setting.
Premagnetization serves to establish a high motor torque and starts when the inverter
is enabled.
Premagnetization is in effect in "VFC" operating mode with encoder feedback if:
•
P730/P733 Brake function 1/2 is active
(page 113)
•
P710/P711 Standstill current 1/2 is deactivated
(page 111)
P324/P334 Slip
compensation 1/2
Setting range: 0 – 500 rpm
The value of the matching motor is set as the factory setting.
Only effective in "VFC", "VFC-n control" and "V/f" operating modes. Slip compensation
increases the speed accuracy of the motor. If values are entered manually, you will have
to enter the rated slip of the connected motor. A setting range of ± 20 % of the rated slip
is permitted if a value other than the rated slip is entered to compensate for fluctuations
between various motors.
P34x Motor protection
P340/P342 Motor
protection 1/2
Setting range: OFF / One asynchronous motor / One servomotor
Depending on the motor connected (synchronous or asynchronous motor) this function
can have the following effects.
• Off: Function not active
• One asynchronous motor:
When this function is activated, the power section takes over the thermal protection
of the connected motor electronically. In most cases, the motor protection function is
comparable to standard thermal protection (motor protection switch) and, further-
more, it takes account of speed-dependent cooling by the integrated fan. The motor
utilization is calculated on the basis of:
– Inverter output current
– Type of cooling
– Motor speed
– Time
The thermal motor model is based on the motor data entered during startup with
MOVITOOLS
®
MotionStudio and when the operating conditions specified for the mo-
tor are observed.
The following signal and display functions are available in conjunction with motor pro-
tection:
1
2
AUTO
1
2
AUTO
1
2
INFORMATION
If the motor also has to be protected against failure of the ventilation, blockage of
air ducts, etc., it is also necessary to employ protection in the form of a TF positive
temperature coefficient thermistor or TH bimetallic switch.
Parameters
Signal and display function
P006/P007 Motor utilization 1/2
(page 90)
Display of the motor utilization for parameter set 1/2.
P832 Response to "Motor overload"
(page 118)
Error response of the inverter when reaching
P006/P007
Motor utilization 1/2
of 110 %.
Factory setting: Emergency stop/Fault.
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0
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