Rockwell Automation 25B PowerFlex 520-Series Adjustable Frequency AC Drive User Manual - Manual (Page 48)

48 Rockwell Automation Publication 520-UM001G-EN-E - September 2014
Chapter 1 Installation/Wiring
Accel/Decel Selection
The Accel/Decel rate can be obtained by a variety of methods. The default rate is
determined by
P041 [Accel Time 1] and P042 [Decel Time 1]. Alternative
Accel/Decel rates can be made through digital inputs, communications and/or
parameters. See below for the override priority.
(1) Setting is specific to PowerFlex 525 drives only.
Purge Input Enabled
AND Active
Terminal Block Jog
Input Enabled AND
Active
Input(s) is
programmed as
Acc/Dec
(2/3/4)
Is speed controlled
by [Preset Freq x]
Active
[Speed Referencex]
= Comms
Active
[Speed Referencex]
= 13 (Step Logic)
(1)
Drive stopped
(NOT running)
Accel/Decel always
Accel/Decel 1.
Accel/Decel from
[Jog Acc/Dec].
Accel/Decel 2 is active
when input is selected
by Accel and Decel input.
Drive uses Accel 1
and Decel 1.
No
No
No
No
No
No
No
Yes
Yes Yes
Yes
Yes
Yes
Yes
Accel/Decel 1/2/3/4 is
selected by the default
[Preset Freq x] setting.
Accel/Decel 1 or 2 is
selected according
to Comms.
Accel/Decel 1/2/3/4 is
selected according to
Step Logic
Active [DigIn TermBlk xx]
= 32 (Sync Enable)
[Sync Time] is used
for Accel/Decel rate
No
Yes
Traverse active if
[Max Traverse] > 0 Hz
Traverse Inc/Dec
is used for
Accel/Decel rate
No
Yes