beautypg.com

B block diagram, Appendix b, Block diagram – Rockwell Automation 61C346 4 Input 0-10V Analog Rail Module User Manual

Page 41

background image

BĆ1

Appendix B

Block Diagram

O

VER/UNDER

RANGE DETECT

CIRCUITRY

-

+

-

+

-

+

-

+

0-10V IN

0-10V IN

0-10V IN

0-10V IN

AMP

AMP

AMP

ISOLA

TION

B

OUNDARY

PRECISION VOL

TAGE REF VREF

FIL

TER

SAMPLE/

HOLD

ANAL

OG

DIGIT

AL

CONVERTER

ISOLA

TED

ANAL

OG

POWER

AĆC

AĆC

DĆC

-

DĆC

+

ISOLA

TED POWER

D

AT

ABUS

A/D CONTROL

PARALLEL

Ć

SERIAL

REGISTER

ISOLA

TED

CONTROL CIRCUITRY

ISOLA

TED CONTROL SIGNALS

MAIN

CONTROL CIRCUITRY

RESET

CIRCUITRY

POWER LED

COMMUNICATION LED

HOST

INTERF

ACE

CIRCUITRY

12 PNT

.

HOST

CONNECTOR

LOCAL HEAD OR RAIL MODE SWIT

CH

MUX

SERIAL HOST INTERF

ACE

GND

Vcc

S I G N A L S

FIL

TER

FIL

TER

FIL

TER

VREF

AMP