Rockwell Automation 20G PowerFlex 750-Series AC Drives User Manual

Page 30

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30

Rockwell Automation Publication 750-RM002B-EN-P - September 2013

Chapter 1

Drive Configuration

If the request is not accepted, a message indicates that “Manual Control is not
permitted at this time.” The most likely causes are that manual control is disabled
for the port or that another port currently has manual control. To check which
port has manual control, look at P924 [Manual Owner].

To release Manual mode from the HIM, press the

(Controls) key to display

the Control screen.

Press the

(Auto) key.

Press the

(Edit) key to confirm that you want to switch to Auto mode.

HIM Preload

Before taking a manual control speed reference from a HIM, the drive can
preload its current speed into the HIM to provide a smooth transition. Without
this feature, the drive immediately transitions to whatever speed was last used in
the HIM, before the operator has a chance to make their adjustment. With this
feature, the drive maintains its current speed until the operator sets the speed to
the desired manual reference.

The Auto/Manual HIM Preload is configured through P331 [Manual Preload].
Ports 1, 2, and 3 can be configured to have the speed reference preloaded into the
HIM by setting bits 1, 2, and 3 respectively.

ESC

REF

MANUAL

FBK

REF

REMOVE

HIM

EDIT

REF

FWD

REV

REF

JOG

HELP

Control Screen Key Function Map

corresponds to Navigation/Number Keys

Stopped

0.00 Hz

AUTO

F

Current Speed

With Manual Preload

Without Manual Preload

Desired Speed

Set in HIM

Manual Mode

Requested

Desired Manual Speed

Last Speed Used in HIM

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