Sleep Mode - Allen-Bradley PowerFlex 70 Reference Manual

Sleep Mode

Sleep Mode
160
Operation
The basic operation of the Sleep-Wake function is to Start (wake) the drive when
an analog signal is greater than or equal to the user specified [Wake Level], and
Stop (sleep) the drive when an analog signal is less than or equal to the user
specified [Sleep Level]. Setting [Sleep-Wake Mode] to "Direct" enables the sleep
wake function.
Requirements
In addition to enabling the sleep function with [Sleep-Wake Mode], at least one
of the following assignments must be made to a digital input: Enable, Stop-CF,
Run, Run Fwd or Run Rev, and the input must be closed. All normal Start
Permissives must also be satisfied (Not Stop, Enable, Not Fault, Not Alarm, etc.).
Conditions to Start/Restart
ATTENTION: Enabling the Sleep-Wake function can cause
!
unexpected machine operation during the Wake mode. Equipment
damage and/or personal injury can result if this parameter is used in an
inappropriate application. Do Not use this function without
considering the table below and applicable local, national &
international codes, standards, regulations or industry guidelines.
Table 16 Conditions Required to Start Drive
Input After Power-Up After a Drive Fault
Reset by Stop-CF,
HIM or TB
Stop Stop Closed Stop Closed
Wake Signal Wake Signal
New Start or Run Cmd.
Enable Enable Closed Enable Closed
(4)
Wake Signal Wake Signal
New Start or Run Cmd.
Run Run Closed New Run Cmd.
Run For. Wake Signal Wake Signal
Run Rev.
(1)
When power is cycled, if all conditions are present after power is restored, restart will occur.
(2)
If all conditions are present when [Sleep-Wake Mode] is "enabled," the drive will start.
(3)
The active speed reference is determined as explained in the User Manual. The Sleep/Wake function and the
speed reference may be assigned to the same input.
(4)
Command must be issued from HIM, TB or network.
(5)
Run Command must be cycled.
(6)
Signal does not need to be greater than wake level.
Rockwell Automation Publication PFLEX-RM001H-EN-P - June 2013
(1)(2)(3)
After a Stop Command
Reset by Clear HIM or TB
Faults (TB)
Stop Closed Stop Closed
Wake Signal Analog Sig. > Sleep Level
(4)
New Start or Run Cmd.
Enable Closed Enable Closed
Wake Signal Analog Sig. > Sleep Level
(4)
New Start or Run Cmd.
(5)
Run Closed New Run Cmd.
Wake Signal Wake Signal
(6)
(4)
(6)
(4)
(5)