Measurement-computing PCIM-DAS16JR/16 Manual do Utilizador descarregar pdf (Página 17)

Chapter 4

Functional Details

The PCIM-DAS16JR/16 provides the following features:

! Eight differential or 16 single-ended 16-bit analog inputs

! Eight high current digital I/O channels

! Three 16-bit down counters

The block diagram shown here illustrates the functionality of the PCIM-DAS16JR/16.

PCI

CONTROLLER

BADR1

BADR2

BADR3

Interrupt

Boot

EEPROM

Bus

Timing

FPGA

CONTROLLER

ADC

Pacer

CTR 2

CTR 1

User

Counter

CTR0

Control

Gain and Offset trimpots

16-Bit,100 kHz

Mux

Gain

Analog In

16 CH S.E.

8 CH DIFF.

FIFO

Time Base

Start EOC

INT

10MHz

PCI BUS (5V/3.3V, Universal 32-BIT, 33MHZ)

1MHz

CLK

GATE

OUT

LOCAL BUS

Figure 4-1. PCIM-DAS16JR/16 block diagram

4-1

1 2 ... 12 13 14 15 16 17 18 19 20 21 22 ... 26 27

PCIM-DAS16JR/16 2
HM PCIM-DAS16jr_16.doc 3
Table of Contents 5
About this User's Guide 7
Software features 8
Chapter 2 9
Hardware 9
Additional documentation 9
Installing the software 10
Channel mode switch 11
A/D trigger edge jumper 12
Clock frequency jumper 12
Pin out – main I/O connector 14
Cabling 14
Programming languages 16
Register-level programming 16
Functional Details 17
Analog inputs 18
Digital I/O 19
Counter/timer I/O 19
Chapter 5 20
Required equipment 20
Specifications 21
Accuracy 22
Analog input drift 22
Noise performance 22
Digital input / output 23
g 0 to 70 °C 24
-40 to 100 °C 24
0 to 95% non-condensing 24
Declaration of Conformity 26

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