Yaskawa LonWorks Option Card CM048 - Manual (Page 31)

Application Overview 2-13
‹ Prohibit Frequencies - nciProFreq1, nciProFreq2, nciProFreqBW
These properties define bands of prohibited frequencies, selected to avoid certain areas of resonant motor vibration. Two separate bands can be
defined, with a common bandwidth. When this feature is selected, the motor is accelerated and decelerated through the prohibited areas. These
properties configure the drive as described below:
Table 2.14 - Prohibit Frequencies - nciProFreq1, nciProFreq2, nciProFreqBW
Property Name Variable Type Default Parameter Description
nciProFreq1 SNVT_freq_hz 0 Hz d3-01 Sets the center frequency for the first band of prohibit frequencies.
nciProFreq2 SNVT_freq_hz 0 Hz d3-02 Sets the center frequency for the second band of prohibit frequencies.
nciProFreqBW SNVT_freq_hz 1.0 Hz d3-04 Sets the bandwidth for prohibit frequencies.
‹ Automatic Restarts - nciAutoRstrt
This configuration property defines the number of automatic restarts that will be attempted under certain fault conditions.
Table 2.15 - Automatic Restarts - nciAutoRstrt
Property Name Variable Type Default Parameter Description
nciAutoRstrt SNVT_count 0 L5-01
Selects the number of times the drive attempts to automatically restart
after certain faults.
„ Restartable Faults
z Overcurrent (oC)
z Overvoltage (ou)
z Undervoltage (Uu1)
z Ground Fault (GF)
„ Non-Restartable Faults
z Overload (oL_)
z External (EF_)
z Hardware (CPF_)
z Fuse Blown (PUF)
z Overcurrent (oC)
z Overvoltage (oV) during deceleration
‹ Power Loss Ride-Through – nciPLRideThru
Table 2.16 - Drive Configuration Property - nciPLRideThru
Property Name Variable Type Default Parameter Description
nciPLRideThru SNVT_count 0.1sec L2-02 Sets the ride through time at momentary power loss
Table 2.17 - nciPLRideThru
nciPLRideThru Value Remarks
0 Disabled Momentary power loss ride through is disabled
0.1 ~ 25.5sec Enabled The ride through time at momentary power loss *
* Parameter L2-01 must be set to 1 in order for this variable to be available. A setting of 0 or 2 in parameter L2-01 will disable power loss ride
through.