Rockwell Automation 1336F PLUS II User Manual - Firmware 1.xxx-6.xxx - Manual (Page 141)

Programming 6–59
Motor Control
[Base Frequency]
This value should be set to the motor nameplate rated
frequency.
Parameter Number 17
Parameter Type Read and Write
Display Units / Drive Units 1 Hertz / Hertz x 10
Factory Default 60 Hz
Minimum Value 25 Hz
Maximum Value 400 Hz
[Maximum Voltage]
This parameter sets the highest voltage the drive will
output for “Fixed Boost” & “Full Custom.”
Parameter Number 20
Parameter Type Read and Write
Display Units / Drive Units 1 Volt / 4096 = Drive Rtd Volts
Factory Default Drive Rated Volts
Minimum Value 25% of Drive Rated Voltage
Maximum Value 120% of Drive Rated Voltage
[Run/Accel Volts]
In “Fixed Boost” or “Full Custom” modes, the output
voltage is reduced by the programmed amount while at
frequency.
Parameter Number 317
Parameter Type Read and Write
Display Units / Drive Units 1% / 4096 = 100%
Factory Default 100%
Minimum Value 50%
Maximum Value 100%
Motor Sync Loss Detection for
Synchronous Motors This function is enabled if [Sync Loss Sel] is set to “Alarm” or “Fault”.
The motor sync loss detection attempts to sense when a synchronous motor has pulled out of sync. When
this happens the motor will typically draw a high current and the power flow between the motor and the
drive oscillates. Based on this, the detection algorithm looks for a large oscillation of the current (relative
to voltage) angle while the current is high. When loss of sync is detected, the “Sync Loss” bit in [Drive
Alarm 1] is set. Additionally, the drive will add an additional voltage set by [Sync Loss Comp] to the output
voltage. This will increase the pull-in torque to allow the motor to re-synchronize.
If [Sync Loss Sel] is set to “Fault,” the time the “Sync Loss” bit is set is timed. If it exceeds the time set by
[Sync Loss Time], the drive faults with a F67 “Motor Sync Loss” fault indication.
[Sync Loss Sel]
This parameter allows selection of various sync loss
modes.
Important: The motor must be connected to the drive
when the sync loss function is enabled.
Parameter Number 310
Parameter Type Read and Write
Factory Default “Disabled”
Units Display Drive
“Disabled” 0 sync loss detection and recovery
function is disabled
“Alarm” 1 sync loss detection and recovery
function is enabled
“Fault” 2 sync loss detection and recovery
function is enabled. If the sync loss
continues for longer than the time
set by [Sync Loss Time], the drive
faults with a F67 “Motor Sync Loss”
fault indication.
[Sync Loss Gain]
Sets a gain that controls the sensitivity of the sync loss
detection function.
Parameter Number 311
Parameter Type Read and Write
Display Units / Drive Units Numeric / Gain x 100
Factory Default 40
Minimum Value 0
Maximum Value 100