Lenze 490 Series Speed controllers tor DC motors Manual de usuario descargar pdf (Pagina 16)

page:

13

quick

stop,

see

chapter

8

output armature

current

signal

The

output terminal

~

supplies

a

signal

proportional

to

the

armature

current.

(U

31)

=

5V

corresponds

approxi—

mately

to

the

nominal

current

of

the

controller

and can

be used

for the

direot

current display

with

a

measuring

instrument.

The maximum

bad

of

terminal

~

is

bOmA.

3

GND

Speed

controller

input

Terminal ~

leads

to

the

summation

point

of

the

speed

controller

via

Ri

50

k[2.

The

permissible

input

voltage

range

is

between +10V and

-10V.

When switching

the

controller

inhibit

the

input

is

switched

to

zero.

In

this oase

Ri

~

25

k[2.

For positive

set

value

or

positive

master

voltage

and negative

actual

value

a

positive

armature

voltage

is

applied

at

terminal

A.

GND,

controller

reference

point

input,

current

control,

Ri

~

10

kfi

output

speed controller,

Ri

~

200

fl.

The terminals ~

and

are

connected

internally

via

the

resistor R

705

on

soldering

posts.

For

current

ratio

control

or

connection

of an

external

current potentiometer

this

resistor must be

removed. The

desired maximum

armature

current

is

set

using

the

internal

trimmer

1

with

fully

open

external

current

potentiometer.

39

1.

durrerit

set

value

10

k/1

W

Im

Remove

R705

5]

El

5]

5]

5]

Lanze

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