Lenze 7812 Stücklistenhandbuch

ET46/fa

checked:

19.04.89

~I4B

33.0831

page:

Table

conterits

page

Features

Specifications

Conriecting

diagram

Installation

instructions

Conriectirig

instructions

5.1

External

set-value

adjustment

5.1.1

Using

poteritioxrieter

5.1.2

Using master

voltage

5.1.3

Using

current

loop

control

5.2

Controllerinhibit

5.3

Reversing

and

brakirig

5.4 Selectiori of

tixed

frequencies

(speeds)

5.5

External

temperature

switch

5.6

External TRIP

reset

5.7

Switching

the

acceleration

and

deceleration

ramp

5.8

Standstill

iridication

5.9

‚Identical

freguency“ indication

5.10

Overload

indication

5.11

TRIP

relay

5.12

Frequencyoutput

5.13

I4ains

connection

5.14

Motor

connection

5.15

Connection

braking

resistor(s)

Display and

operating

panel

Modification

factory-set

paraineters

7.1

Keyboard

operation

7.2

Furiotion

code

7.3

Description

the function

code

Fault

diagnosis

Dimensionsand weights

10.

Mains

chokes

11.

Semiconductor

fuses

and

fuse

holders

12.

Braking

resistors

?.ad%o

i::terfe~er~ce

suD~‘reE:i1Qn

:bers

1;ems

supp1i~

ET4

6/fa

checked:

19.04.89

~MB

33.0831

page:

The

Lenze

inverter

series

7800

comprises

frequency inverters

for

standard three-phasemotors

powers from

2.0 to

kW.

Features

Sinusaidal

pulse

width

inodulation

Isolated

contro3.

inputs

Contro3.

either

externally

via

keyboard

Power outputs

are

short—

and

earth-circuit

protected

Set-value

integrator

with

separately

prograininable

acceleration

and

deceleration

ramp

U/f

control

Fault

indication

system

including

TRIP

indication

Tntegrated braking chopper

Reversirig

Preselection

fixed

speeds

Option boards

can

retrofitted

Specifications

Ty~e

O.vtput

power

Output

voltage

Mains

vottage

50-60

Hains

current

norn.

power

Nomin.

motor

power

Power

Loss

1=1

f=5OHz

Nca~in.

current

Maxin~j¶~

current

Output

frec~~ency

maxifrLrn

ter

vo?t

age!

master

current

Ant~ient

teape-

rature

iL7~W

Dimensions

L X

ljeight

/kVA

phase

mains

eff

/kW

Pv/w

max

f/Hz

ULN/V

7811

3.3

3x340

505V

4-Q%

2.0

100

7.5

0.5

...

360Hz

.+/-10V

..20

rnA

...

400C

~3~x240x235

•430x240x2.35

430x240x235

10.5

430x240x235

11kg

480x280x235

18.5

565x280x235

20.5

565X280X235

21.5

8.5

7&12

5.6 7.5

3.7

180

112

118

7813

10.5

5.5 270

7814

16.5

7.5 360

7815

21.5

510

23 35

...

240

7816

27.5

640

29 44

7817

24 35 17

760

7818

28 41

8.60

43 64

ET4

6/fa checked:

19.04.89

33.0831

page:

Connecting

diagram

Control

stage

potentio~eter

Lmnaster

voltage

+10V

10V

teni-~inal

—

terDlirlal

reversing

(S1)

brake

(S2)

Power

stage

muains

choke

s~~ccndu~ztor

cable

protectingtuse

overload

~nomina).

~actuai

standstill

externaj.

TRIP

reset

external

TRiP

set

controller

inhibit

RSP

Tir/Tif

extension

external speed

set

value

external

speed

set

value

thret~—ph~se

I~otcr

TRIP

contact

capacity

250

V/2A-

speed

set

value

sigriaj.

current

to 2OmA

special

accessories

ET46/fa

checked:

19.04.89

~4B

33.0831

GB page:

Installation

instructions

The

controller

should

fitted

vertically

with the

terminals

located

the

bottom.

Ensure that

there

free

space

:LOOin~

the top

and

bottain,

and

the

sides

order

inaintain

the

flow

air

tI~xrough

the

heat sink

and

controller.

The

maxrmmm ambient temperature

must

not

exceed

400C.

case of

earth

circuit

fault,

the

mains

choke

limits

the

current

rise

and

improves

the

~nains

current

factor.

The

7800

inverter

series

inust

only

operated

with

specif

led

mains choke

and

sexni-conductor

fuses

(see

paint

10./il.).

Connectinc~

instructions

5..l

External

set—value

5..l.1

Usinc~

potentioxneter

(-)

+10V

—

Corrnect

the

enclosed

potentiometer

kfl

linear

(part

no..:

304 651) to

terminals

11, 12,

13,

ensuring

that

the

wiper

the

potentiometer

connected

l2~

5.1.2

—

Connect

the external

master

voltage

source

terminals

and

12.

Umaster

max

—

For

amaster

voltage

to—lOV

the

wire

link

UmastermaxiOV

must

connected

shown

the

figure.

5..l..3

Usinq~

current

loop

control

~f~B3Ocf12

—

Connect

the

external

current

source

between

terminals

and

Cl.

‚master

4~-

20mA

For

giving

speed

control

froln

a 0

2OmA

current

signal,

ensure

that

511

resistor

(‚-x=~t

;o.

225

?D2)

c~nm-.ccted

—

—.

master

ET4

6/fa

page:

checked:

19.04.89

33.0831

5.2

Controller

inhibit

—

The

controller

inhibited

when

the

RSP

switch

closed.

—

The

controller

releasedwhen

the RSP

switch

is operied.

RSP

USe

low—current

contacts

(12V/lOinA)

5.3

Reversincr

and

braking

Clockwise

rotation

occurs

with

switch

51 in

FWD

position,

assuming

correct

phase

connection

the

motor

—

Ariti-clockwise

rotation occurs

with

switch

51 in

REV position

assulning

correct

phase

connection

the

motor

—

Braking

occurs

when switch

opened

Use

low-current

contacts

(12V/lOxnA)

FWD

—i-----I-------

—~--t

-‚Pn

REV k

fon

brakej

____

__________

~set ~‚~N‘c1ockw~se

—‚

-1-

During

reversal,

the

drive

slowed

down

according

the

deceleration

raxop,

reverses

set-

0,5Hz

and

then

acceierates

the

speed

set—

value

alcing

the

acceleration

ramp.

~-2~3rl

th&

~wi~ch S2 is

openec~,

—

ci~:fy~

s.owed

down

--~L..1¶ ~

s~.

~Q~U1J!

accoroing

tI--~

v~1ue

set

c:~

thr.

Reversing

~ti-clockwise

ET4

6/fa

checked:

19.04.89

33.0831

page:

5..4

Selection

fixed

rotational

field

frecmencies

CMIX1

Jogj

S3 S4 S5

Use

bwcurrent

contacts

(12V/lOmA)

all 3

switches

are

opened,

the

drive

operated

the

set—value

potentiometer,

master

voltage,

master

current

the

internal

setting.

either Xl or

both

terminals

are

connected

CM,

constant

prograiiuuable

leid

frequency

generated.

addition

this,

the

terminal

marked

„JOG“,

connected

CM,

tourth

progra~medfreq~uency

generated,

taking

precedence

over

all

other

preset

frequencies. Four

different

fixedspeeds

can

therefore

selected

via

simple

switching

action.

~~~1

Jog

„set

tD2

~D1

set

—

ET4

6/fa

checked:

19.04.89

33.0831

5.5

External

teniperature

switch

Use

low-current

contacts

(12V/lOmA)

Temperature

swltches

can

connected

the

terminal

muarked

THIR,

order

to supervise

the

motor

temperature

monitor

the

temperature

the external

braking

chopper

resistors.

soon

the

contact

opened,

the

inverter

switches

show

fault

condition.

(This

f1lnction

selt

holding).

The

display

shows

code OLl.

5.6

Bxternal

TRIP

reset

RST

can

used

provide

external

TRIP

reset.

CMjRSTj

switch

Use

low-current

contacts

(12V/lOmA)

5.7 Switchinq-

the

accelerationand

deceleration

ramp

Using

the terminal

marked

„Saft“

second

common

acceleration

and

deceleration

time

can

used.

Use

low—current

contacts

(12V/lOm.A)

So!

_______

page:

79.

1‘

ET4

6/fa

checked:

19.04.8>t~/~14B

33.0831

page:

5.8

Standstill

indication

—

The

open

collector

transistor

used

tor

the

standstill

lndication function

opens,

when,

during

the

deceleration

phase,

the

pre—programmed

frequency

reached.

The

transistor

remains

open,

until

the

trequency

0Hz

attained.

The

minimum

swltch-on

tiine

the

transistor

lOOms.

‚max

=5OmA

Umax

=27V

5.9

~Identical

frecruency“

indication

‚max

Umax

=27V

The

Open-Ccllector

transistor

for the

„frequency

identical“

indication switches,

when

programmed

freguency

the

acceleration

and

deceleration phase

reached.

The

transistor

eriabled,

until

the

rotational

field

freguency

identical

with the

compared

treguericy

the

acceleration/deceleration

phase

not yet finished. The

minimum

switching

tlme

the

transistor

Is lOOms.

(The

signal

can be

used

e.g.

tor

switching

the

aoceleratlon/

deceleration

ramp).

Compared

frequency

re.

uer~cy

a~reemer~1

ing

§S

.—

SAR

O~.

O.~

tOO.~c ~O0~‘mc

SST

lOOms

~m~

1OOfV~sec

ET4

6/fa

checked: 19.04.89 MB

33.0831

page:

5.10

Qverload

indication

‚max SOmA

Umax

=27V

The

open

collector

transistorused

tor the

overload

indication

enabled

case

overload

which

langer than

10 sec,

and

remains

this

state

long

there

overload.It

disabled

one second

after the unload.

The

threshold

the

overload

indication

can

changed

subseguent

programming

the

device.

5.11

TRIP

relav

the

inverter

switches

show

fault

condition,

the

TRIP relay

activated.

The

contact switches

from

30B

to 30A.

[3oA13

1300

Coritact

capacity

250V/2A-

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