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Dcb block diagram – Elmo SERVO AMPLIFIER DBP SERIES User Manual

Page 29

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28

DBP - Rev 6/93

RS232

Display

RS485

Outputs

Buffers

Master

Processor

TEMP SIGNAL

SHORT SIGNAL

UNDER / OVER - SIGNAL

Current
Feedback

Inputs

Buffer

Aux

Buffer

Encoder

Encoder

Analog in

Position

Processor

Buffer

option

MOTOR COMMAND

Current
limits

TACH INPUT (OPTION)

R7

10K

100K

A

PWM

A

option

R6

C2

100K

100K

R5

619K

VELOCITY/ CURRENT MODE

+V

-V

OFFSET
OPTION

1M

R800

100K

POWER

STAGE

-

+

R4

100K

C1

.01UF

ERROR AMPLIFIER

100K

MEMORY

BATTERY

BACK UP

R3

R2

10K

10K

DCB BLOCK DIAGRAM

RESOLVER

OPTION

VELOCITY

FEEDBACK

SIGNAL

1K

(TACH OUTPUT WITH RESOLVER OPTION)

ENCODER OUTPUTS

TO POSITION

PROCESSOR

CURRENT

AMPLIFIER

INH. OUT 10MA/30V