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

Page 177

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

177

Drive Port 0 Parameters

Chapter 3

AP

PLIC

AT

IONS

To

rq

u

e P

ro

ve

1111

Float Tolerance

Float Tolerance
Sets the frequency or speed level where the float timer starts. Also sets the frequency or
speed level where the brake will be closed when P1100 [Trq Prove Cfg] Bit 1
“Encoderless” = 1 (enabled).

Units:

Default:

Min/Max:

Hz
RPM
P27 [Motor NP Hertz] x 0.0334
P28 [Motor NP RPM] x 0.0334
P27 x 0.0016 / P27 x 0.25
P28 x 0.0016 / P28 x 0.25

RW Real

1112

MicroPsnScalePct

Micro Position Scale Percent
Sets the percent of speed reference to be used when micropositioning has been selected
in P1100 [Trq Prove Cfg]. Bit 2 of P1100 [Trq Prove Cfg], determines if the motor needs to
come to a stop before this setting will take effect.

Units:
Default:
Min/Max:

%
10.000
0.100 / 100.000

RW Real

1113

ZeroSpdFloatTime

Zero Speed Float Time
Sets the amount of time the drive is below P1111 [Float Tolerance] before the brake is
set. Not used when P1100 [Trq Prove Cfg] Bit 1 “Encoderless” = 1 (enabled).

Units:
Default:
Min/Max:

Secs
5.000
0.100 / 500.000

RW Real

1114

Brake Test Torq

Brake Test Torque
Sets the percent of torque applied to the motor before the brake is released when P1100
[Trq Prove Cfg] bit 7 “Test Brake” is enabled.

Units:
Default:
Min/Max:

%
50.0
0.0 / 150.0

RW Real

Fi

le

Grou

p

No.

Display Name
Full Name
Description

Values

Re

ad

-W

ri

te

Da

ta

T

ype

755

755

755

755

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