Rockwell Automation GV3000/SE 230VAC 30-100HP GP & Vector Drive V6.04 Start-Up and Reference Manual - Manual (Page 151)

4-65 Programming Reference
H.017 Input Power/Snubber Configuration
This parameter is
used to identify the
input power supply
type/snubber
resistor/line dip
ride-through
configuration being
used. Parameter Range: 0 = AC input, snubber resistor not used,
ride-through enabled.
1 = AC input, snubber resistor is used,
ride-through enabled.
2 = DC input, snubber resistor not used,
ride-through disabled.
3 = DC input, snubber resistor used,
ride-through disabled.
4 = DC input, snubber resistor not used,
ride-through enabled.
5 = DC input, snubber resistor used,
ride-through enabled.
Default Setting: 0
Parameter Type: Configurable
Refer also to parameters: P.042 Line Dip Ride-Through Time
P.002 Decel Time 1
ATTENTION: When connected to a non-regenerative common DC
bus, regeneration may cause a rise in DC bus voltage. Be aware that
other drives on the bus may experience an unexpected speed increase
due to the high bus voltage. Failure to observe this precaution may
result in bodily injury.
For AC input Power Modules (200-230V, 3-phase, 50/60Hz or 380-460V, 3-phase,
50/60Hz), set H.017 = 0 or 1.
For DC input Power Modules, set H.017 = 2 or 3 if multiple motors are connected to
the inverter. Set H.017 = 4 or 5 if a single motor is connected to the inverter.
Snubber Resistor
If a snubber resistor is not used, set H.017 = 0, 2, or 4. If the DC bus voltage rises
above a certain threshold (14% above the rectified nominal AC line), the drive will
increase the commanded frequency in an effort to reduce bus voltage. The drive
will increase the commanded frequency a maximum of 10 Hz but will not exceed the
value specified in P.004 (Maximum Speed). The deceleration time (P.002) may be
automatically extended to prevent a high bus voltage fault from occurring. If the bus
voltage continues to rise, a high bus voltage fault (HU) will be generated.
If a snubber resistor is used, set H.017 = 1, 3, or 5. If the DC bus voltage rises
above a certain threshold (14% above the rectified nominal AC line), the drive will
not attempt to increase the commanded frequency, but will rely on the hardware
snubber resistor to decrease voltage. Note that you may need to extend the
deceleration time specified in P.002 (Decel Time) to prevent a high bus voltage fault
(HU) from occurring.
!