Start And Speed Reference Control - Allen-Bradley PowerFlex 525 User Manual

Start and Speed Reference
Control
Start Source and Speed Reference Selection
The start and drive speed command can be obtained from a number of different
sources. By default, start source is determined by
speed source is determined by
can override this selection, See below for the override priority.
Yes
Run as specified by
[Speed Reference3]
[Speed Reference3].
select (1)
Yes
Run as specified by
[Speed Reference2]
[Speed Reference2].
select (1)
Run as specified by
[Speed Reference1].
(1) [Start Source 2/3] and [Speed Reference2/3] can be selected by the control terminal block or communication commands.
(2) See Digital Input Selection for Start Source on page 40
Rockwell Automation Publication 520-UM001A-EN-E - February 2013
P046
P047 [Speed Reference1]. However, various inputs
Drive will start and
run at Purge Speed.
Yes
Purge Input Enabled
AND Active
Direction is always
FORWARD.
No
Yes
Drive stopped
Jog Input Enabled
(NOT running)
AND Active
No
No
Run as specified by
[Preset Freq x].
Yes
Preset Inputs Active
Start and Direction
commands come from
[Start Source x].
No
Yes
[Start Source 3]
select (1)
No No
Yes
[Start Source 2]
select (1)
No No
Start and Direction
command from
[Start Source 1].
for information on selecting the correct digital input.
Installation/Wiring Chapter 1
[Start Source 1] and drive
Drive will start and run at
Jog Speed.
Direction is from Terminal
Yes
Block REV terminal (03),
Comms,
OR
FWD/REV determined by
Jog FWD/Jog REV command.
Start and Direction
command from
[Start Source 3]. (2)
Start and Direction
command from
[Start Source 2]. (2)
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