Rockwell Automation 1333 Drive, 3/4-5HP, 230-575V Series D - Manual (Page 82)

Operation and Programming
Chapter 5
5-39
!
ATTENTION: Auto restart operation may only be used as
outlined in NFPA79, Paragraph 6-14 (exceptions 1-3) for
specialized applications. Equipment damage and/or personal injury
may result if the settings of Parameters 47-49 are used in an
inappropriate application. Auto Restart Settings
Parameter 47 -- Power Loss Restart
Units = Code
Range = 0/1/2/3
Factory Setting = 1
This parameter selects the drive restart action taken if input power is
interrupted and restored within 100 ms –– However –– restart settings 1
and 2 in Parameter 48 will override any settings made in Parameter 47.
•
When set to 0, the drive will restart and ramp to the last selected speed
–– but only for 2-wire external control.
•
When set to 1, Power Loss Restart is disabled for both 2 and 3-wire
control schemes. The drive will not restart until the fault is cleared by
first issuing a stop command, then a start command. The drive will then
restart and ramp to the last selected speed.
•
2 defines the drive restart action for 2-wire external control. Once the
drive receives a start command, the drive will start and ramp to the last
selected speed but only after the initial waiting time set by Parameter 49.
Should an
LU
fault occur or
OP
message appear, the drive will restart
and ramp to the last selected speed after the initial waiting time set by
Parameter 49 without reissuing a start command.
•
3 defines the drive restart action for both 2 and 3-wire control. Once the
drive receives a start command, the drive will start and ramp to the last
selected speed but only after the initial waiting time set by Parameter 49.
Should an
LU
fault occur or
OP
message appear, the drive will not
restart until the fault or message has been cleared by first issuing a stop
command, then a start command. Once cleared, the drive will start and
ramp to the last selected speed after the initial waiting time set by
Parameter 49.