Rockwell Automation 21G PowerFlex 750-Series AC Drives Programming Manual User Manual

Page 112

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112

Rockwell Automation Publication 750-PM001J-EN-P - October 2014

Chapter 3

Drive Port 0 Parameters

SPEED C

O

NTROL

Sp

eed Limits

526
527
528

Skip Speed 1
Skip Speed 2
Skip Speed 3
Skip Speed n
Sets a frequency at which the drive will not operate. Parameters are disabled if set to 0.

Units:

Default:
Min/Max:

Hz
RPM
0.00
P521 [Max Rev Speed] / P520 [Max Fwd
Speed]

RW Real

529

Skip Speed Band
Skip Speed Band
Sets the bandwidth around a skip speed. [Skip Speed Band] is split, applying 1/2 above
and 1/2 below the skip speed. The same bandwidth applies to all skip speeds. Parameter
is disabled if set to 0.

Units:

Default:
Min/Max:

Hz
RPM
0.00
0.00 / Based on P27 [Motor NP Hertz]/P28
[Motor NP RPM] and Voltage Class

RW Real

Fi

le

Grou

p

No.

Display Name
Full Name
Description

Values

Re

ad

-W

ri

te

Da

ta

T

ype

Fil

e

Gr

ou

p

No.

Name
Description

Values

Re

ad

-Write

Da

ta

T

yp

e

SPEED C

O

NT

ROL

Sp

ee

d R

am

p R

at

es

535
536

Accel Time 1
Accel Time 2
Acceleration Time n
Sets the acceleration rate for all speed changes. Defined as the time to accelerate from 0
to P27 [Motor NP Hertz] or P28 [Motor NP RPM], according to the setting in P300 [Speed
Units]. Selection between Acceleration Time 1 and Acceleration Time 2 is controlled by a
digital input function (see Digin Functions) or by Logic Command (sent over a
communication network or DeviceLogix).

Units:
Default:
Min/Max:

Secs
10.00
0.00 / 3600.00

RW Real

537
538

Decel Time 1
Decel Time 2
Deceleration Time n
Sets the deceleration rate for all speed changes. Defined as the time to decelerate from
P27 [Motor NP Hertz] or P28 [Motor NP RPM] to 0, according to the setting in P300
[Speed Units]. Selection between Deceleration Time 1 and Deceleration Time 2 is
controlled by a digital input function (see Digin Functions) or by Logic Command (sent
over a communication network or DeviceLogix). Some stop modes (see P370 and P371)
will cause the programmed decel time to be ignored during a stop command.

Units:
Default:
Min/Max:

Secs
10.00
0.00 / 3600.00

RW Real

539

Jog Acc Dec Time
Jog Acceleration Deceleration Time
Acceleration and deceleration rates while commanding jog (uses a jog speed reference).

Units:
Default:
Min/Max:

Secs
10.00
0.00 / 3600.00

RW Real

540

S Curve Accel
S Curve Acceleration
Sets the percentage of accel time applied to the ramp to soften (reduce jerk) the
acceleration. Time is added, 1/2 at the beginning and 1/2 at the end of the ramp.

Units:
Default:
Min/Max:

%
0.000
0.000 / 100.000

RW Real

541

S Curve Decel
S Curve Deceleration
Sets the percentage of decel time applied to the ramp to soften (reduce jerk) the
deceleration. Time is added, 1/2 at the beginning and 1/2 at the end of the ramp.

Units:
Default:
Min/Max:

%
0.000
0.000 / 100.000

RW Real

0.0

10.0

20.0

30.0

40.0

50.0

60.0

70.0

0.0

1.0

2.0

3.0

4.0

5.0

6.0

Seconds

Hz

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