Instruction Manual

748467-A January 2002

Model MicroCEM

+15V -15V

DC/DC

+15V

ADDR

CTRL

16-BIT DATA

PC/104

BUS

AUTOCALIBRATION

CIRCUIT

16-BIT A/D

CONVERTER

1K X8 FIFO

MASTER

CONTROLLER

8255 CIRCUIT

 

 

 

 

 

MUX

 

ANALOG

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

INPUTS

 

 

 

 

 

 

0-31 SE

 

 

 

 

 

INPUT

 

 

 

 

 

 

 

 

 

X1,2,4,8

 

0-15 DI

 

 

 

 

 

 

PROGRAMMABLE

 

 

 

 

 

GAIN AMP

 

 

 

 

12-BIT A/D

 

 

ANALOG

CONVERTERS

 

 

OUTPUTS 0-3

 

 

 

 

 

 

 

TIMING AND

 

 

 

 

 

 

 

CONTROL SIGNALS

 

82C54

 

 

 

 

COUNTER/TIMER

 

 

 

 

 

 

 

 

 

 

 

 

10MHZ

OSCILLATOR

HIGH CURRENT

 

 

 

 

DRIVE

 

 

24 DIGITAL I/O

 

BUFFER

 

 

 

PORT A

 

 

 

 

 

PORT B

 

BUFFER

 

 

 

 

 

 

 

 

 

 

 

 

PORT CH

 

BUFFER

 

 

 

 

 

 

 

 

 

 

 

PORT CL

 

BUFFER

 

 

 

 

 

 

 

 

 

 

 

ACK/STROBE

Figure 1-9. ADIO Block Diagram

1-12

Description and Specifications

Rosemount Analytical Inc. A Division of Emerson Process Management