PCC D3400 - Page 94

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AC

1ItiE

VOl.

TAGE

ACCOMMON

roM

I

SUI'PL

Y

MODULE

---------------------------------,

.

..,

MOTOI

CONTROL PCIA

r----

I

I

I

.....

-10.----

__

AC

TO

AC

MOTOI

AND

MOTOR

I COMMON I CONTROL

CIRCUITS

I

I

I

8

VOLTS

~

AC

(AMS)

....

L

__________________

_

r--'

I

I

I

I

I

I

I

I

I

I I

I I

I I

I I

I/o+--

I I

L

__

J

I

I

I

I

I

I

rr-

L...----~T.~I

I

-------------------------------~

r------------------

21

VOLTS

I

TO

BlUSH MOTOR

DRIVER

"NO

AC

; •

AC

(PEAK)

MOTOR

SPEED

CONTROL

CIRCUITS

I

I

I

I

I

I

I

I

I

r;

I

I

I

I

I

I

I

I

f-L

I

-10

VOLT

lEG

~--1

....

---t~.10

VOLTS

'5

VOLT

lEG

.5

VOllS

~LTS(

L---+----l~I---,..GROUND

:~~gs~\~~'tT~

~LTS

-5

VOLTS

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r--10

VOLTS

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VOLT

RfG

-10

VOLT

RfGI--<l

1

___

--

__

-10

VOLTS

L

__________________

_

SERVO

PCIA

Figure 4-13. Power

Supply

Functional

Block

Diagram

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