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B block diagram, Appendix b, Block diagram – Rockwell Automation 61C350 2-In/2-Out 0-10 Volt Analog Rail Module User Manual

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BĆ1

Appendix B

Block Diagram

D/A CONTROL SIGNALS

D

AT

A BUS

A/D CONTROL

S I G N A L

D

AT

A BUS

LOCAL HEAD OR RAIL MODE SWIT

CH

SERIAL HOST INTERF

ACE

HOST

INTERF

ACE

CIRCUITRY

COMMUNICATION LED

POWER LED

ISOLA

TED CONTROL SIGNALS

ISOLA

TED

CONTROL CIRCUITRY

SERIAL

Ć

PARALLEL REGISTER

PARALLEL

Ć

SERIAL

REGISTER

ISOLA

TED

ANAL

OG

POWER

12 PNT

.

HOST

CONNECTOR

Vcc

DU

AL

DIGIT

AL

Ć

ANAL

OG

CONVERTER

ISOLA

TED POWER

ANAL

OG

DIGIT

AL

CONVERTER

O

VER/UNDER

RANGE DETECT

CIRCUITRY

AMP

AMP

-

MUX

SAMPLE/

HOLD

FIL

TER

FIL

TER

AMP

AMP

+

-

+

-

+

-

+

-

0-10V IN

0-10V IN

0-10V OUT

0-10V OUT

ISOLA

TION

B

OUNDARY

MAIN

CONTROL CIRCUITRY

RESET

CIRCUITRY

PRECISION VOL

TAGE REF

GND

AĆC

AĆC

DĆC

+

DĆC

-

V

V

S