Inverter overload it – Rockwell Automation 20G PowerFlex 750-Series AC Drives User Manual

Page 414

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414

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

Chapter 6

Integrated Motion on the EtherNet/IP Network Applications for PowerFlex 755 AC Drives

Inverter Overload IT

1

2

3

4

5

6

B

A

D

C

F

E

H

G

I

Inverter Overload IT

DB resistor

dc

bus

Bus Reg Mode A

Bus Reg Mode B

372

373

Bus Reg Lv

l Cnfg

374

Bus R

eg

Le

vel

375

Bu

s Re

g Ki

380

Bus Reg

Kp

381

Bus Limit Kp

376

Bus Limit Kd

377

Bus Limit

ACR Ki

378

Bus Limit ACR Kp

379

DB Resistor Type

38

2

DB Ext

Ohms

38

3

DB Ext Watts

38

4

DB Ex

tPuls

e

Wa

tts

38

5

*

No

te

: Para

me

te

rs a

re

not functional wh

en any

of the FV motor control

modes are

select

ed

12

DC Bus Memory

Heatsink and

Junction Degree

Calculator

Inverter Overload (IT)

NTC

Pw

r EE Da

ta

Output Current

7

Duty Cycl

e / Rating

DC Bus Vol

tage

PW

M Fre

que

nc

y

Pow

er De

vice

Characte

ristics

38

11

Drive OL

Mode

420

Cu

rre

nt L

imit Se

l

421

422

423

Other Ref Sources

Cur

ren

t Limit 1

Current Limit 2

9

4

0

D

rive

OL

C

o

un

t

941

IGBT Temp Pct

942

IGBT Temp C

9

43

D

ri

ve

Temp

P

c

t

944

D

rive Temp C

424

Active Cur Lmt

Alarm Status B

IGBT

OT

960

0

1

4

5

6

Heat

sink OT

Driv

e OL

CurL

mt Red

uc

PW

MFrq R

educ

Fault Status B

Driv

e OL

953

2

3

4

5

6

Heat

sink OT

Tran

sistor O

T

SinkU

nderT

mp

Exce

ss Load

Mtr Over Load (I

2

T)

60 (Hot)

Motor

Cu

rrent

Mo

to

r

Cur

rent

right of

curve

1.

0 -

2

.0

(1.025 Ty

p)

time (sec)

Motor

Speed (Hz)

41

4

Mt

r OL Hert

z

X

26

Motor NP Am

ps

1

8

0 (C

ol

d)

102%

150%

413

Motor OL Factor

416

MtrOL Reset Time

50%

Mtr OL

Ac

tv

410

Mtr OL

a

t Pwr Up

41

1

Mtr OL Alarm Lvl

41

2

Mtr OL Reset Lvl

41

5

418

Mtr OL Counts

419

Motor

OL Trip Time

Alarm

Status A

M

otor OL

959

2

Fault Status A

952

2

Motor O

L

*

Param

eter

Select

ion

[24a

G

5]

d14

Active PWM F

req

‘d’ Prefix Refers to Diagnos

tic Item Number (ex.

d33)

R

eference Symbol Legend

PF

755 Rev

_9.a

Pag

e 36

647 –

Inver

ter

Overload Action

620 –

DC Bus Voltage

601 –

O

utput Current

1320 –

Motor Rated Peak Current

533 –

C

urrent Vector Limit

621 –

DC Bus Voltage

-

Nominal

635 –

M

otor Capacity

624 –

B

us Regulator Action

880 –

B

us

Regulator

Reference

881 –

S

hunt Regulator Resistor Type

886 –

E

xter

nal Shunt Resistance

883 –

E

xternal Shunt Power

884 –

E

xter

nal Shunt Pul

s

e Power

1322 –

Motor Overload Limit

1319 –

M

otor Rated

Continuous Current

3001 –

M

otor

Overload Her

tz

697 –

Motor Thermal

Overl

oad Use

r L

imit

6

36 –

Inver

ter

Cap

a

ci

ty

641 –

Inverter Temperature

641 –

Inverter Heatsink Temperature

[24b

G5

]

306

Vo

lta

ge Cla

s

s

305

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