Measurement-computing DaqBoard-ISA Manuel d'utilisateur télécharger pdf (Page 20)

3-2 Hardware

02-14-02

DaqBoard-ISA User’s Manual

This following block diagram can be applied to DaqBoard-ISA models /100A, /112A, /200A, and /216A.

8 DE/16 SE

analog input

multiplexer

512-step

random access

channel/gain

sequencer

Trigger

Select

PC (ISA)

Bus

Interface

16-bit data

& address bus

DMA &

Interrupt

Interface

Programmable

sequencer

tim ebase.

10 us to 12 hrs

24-bit general purpose

digital I/O lines

An optional adapter cable (CA-60) is

required for external access to 40-pin

ports P2 and P3 (located on DaqBoards).

16 high-speed

digital inputs

*M odels /100A and /200A.

5 counter/timer

channels

-or-

4 digital outputs

for high-speed

channel expansion

4 general purpose

digital outputs

4K word

FIFO

data

buffer

nal

I/O

Sequencer

reset

Block Diagram for DaqBoard M odels /100A, /112A. /200A, /216A

ANALOG I/O

(DAS-16

compatible)

P2*

DIGITAL I/O

(PIO-12

compatible)

P3*

PULSE/FREQ.

HIGH-SPEED

DIGITAL I/O

(CTM-05

compatible)

PGA

per channel

control

External

MUX

Am plifier

Sample

Hold

x1, x2

x4, x8

100 kHz

Clock

4 general purpose

digital inputs

-or-

1 auxiliary counter gate

1 TTL trigger input

2 gain select outputs for

expansion boards

DC-DC

converter

PC +5V

Power Supply

+15

-15

Analog Trigger-In

Comparator

12 or 16-bit,

100 kHz

analog-to-digital

converter

ADC

Dual 12-bit

digital-to-

analog

converter

Dual-DAC

P C (ISA ) B us

4K - word FIFO

Data Buffer

}

lock Diagram for DaqBoard Models /100A, 112A, 200A, and 216A

1 2 ... 15 16 17 18 19 20 21 22 23 24 25 ... 45 46

Commentaires sur ces manuels

Pas de commentaire

Measurement-computing DaqBoard-ISA Manuel d'utilisateur Page 20

Commentaires sur ces manuels

Produits connexes et manuels pour Matériel Measurement-computing DaqBoard-ISA