2-126 Parameter Descriptions
7000-TD002A-EN-P – September 2007
Synchronous Transfer Lead Angle [Sync Lead Angle]
Linear Number: 226
Default Value: 0 deg
Minimum Value: -90 deg
Maximum Value: 90 deg
Access Level: Advanced
Read/Write: Read/Write
This parameter specifies the angle by which the motor voltage leads the drive input voltage when the
motor is assumed to be synchronized. The purpose of this parameter is to compensate for any phase
difference between the drive input voltage and the bypass contactor supply voltage.
Synchronous Transfer Off Delay [Sync Off Delay]
Linear Number: 227
Default Value: 0.100 sec
Minimum Value: 0.000 sec
Maximum Value: 0.500 sec
Access Level: Advanced
Read/Write: Read/Write
This parameter specifies the time delay between the bypass contactor being requested to close and the
drive shutting off. It is normally set to slightly less than the bypass contactor closing time, with a minimum
of 1½ – 2 cycles desirable.
Synchronizing Regulator Gain [Sync Reg Gain]
Linear Number: 225
Default Value: 1.0
Minimum Value: 0.0
Maximum Value: 5.0
Access Level: Advanced
Read/Write: Read/Write
This parameter specifies the gain of the synchronizing regulator.
Synchronizing Time [Sync Time]
Linear Number: 229
Default Value: 10.0 sec
Minimum Value: 0.0 sec
Maximum Value: 10.0 sec
Access Level: Advanced
Read/Write: Read/Write
This parameter specifies the time that the synchronizing phase error must be less than Sync Error Max
(228) before the bypass contactor is requested to close.
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