ICP DAS USA I-8014W Manuale utente

I-8014W API User Manual, v 1.0.1, September 2011 E-mail: [email protected]

I-8014W User Manual

250 KS/s, 16-bit, 8-channel differential/16-channel

single-ended analog input module

Version 1.0.1/ September 2011

I-8014W API User Manual, v 1.0.1, September 2011 E-mail: [email protected]

Warranty

All products manufactured by ICP DAS are under warranty

regarding defective materials for a period of one year, beginning

from the date of delivery to the original purchaser.

Warning

ICP DAS assumes no liability for any damage resulting from the

use of this product. ICP DAS reserves the right to change this

manual at any time without notice. The information furnished by

ICP DAS is believed to be accurate and reliable. However, no

responsibility is assumed by ICP DAS for its use, not for any

infringements of patents or other rights of third parties resulting

from its use.

Trademark

The names used for identification only may be registered

trademarks of their respective companies.

If you have any problem, please feel free to contact us.

You can count on us for quick response.

Email: [email protected]

I-8014W API User Manual, v 1.0.1, September 2011 E-mail: [email protected]

Table of Contents

Table of Contents .......................................................................3

Preface.........................................................................................5

Hardware.....................................................................................6

Specifications 6

Pin Assignments 7

Jumper setting 8

Wire Connection 10

Block Diagram 11

Demo Programs Location 12

Quick Start ................................................................................14

On MiniOS7 platform controller............................................................14

Getting Started Guide 14

Calibration 17

On Windows platform controller ..........................................................26

Getting Started Guide 26

Calibration 28

Magic Scan................................................................................35

Magic Scan Mode...................................................................................36

Standard mode 37

Virtual Sample and hold mode 38

Trigger method.......................................................................................39

Software trigger method 39

Internal hardware trigger method 40

External hardware trigger method 41

FIFO.........................................................................................................42

Magic Scan Procedure ..........................................................................43

Magic Scan Example .............................................................................44

I-8014W API User Manual, v 1.0.1, September 2011 E-mail: [email protected]

Magic.exe 44

Mag_ISR.exe 50

Case Example 51

API..............................................................................................53

Function list 54

Error code list 55

i8014W_Init 56

i8014W_GetFirmwareVer_L1 58

i8014W_GetFirmwareVer_L2 59

i8014W_GetLibVersion 60

i8014W_GetLibDate 61

i8014W_GetSingleEndJumper 62

i8014W_ReadGainOffset 64

i8014W_ReadAI 66

i8014W_ReadAIHex 68

i8014W_ConfigMagicScan 70

i8014W_StartMagicScan 73

i8014W_StopMagicScan 74

i8014W_ReadFIFO 75

i8014W_CalibrateData 77

i8014W_CalibrateDataHex 79

i8014W_UnLockFIFO 81

i8014W_ClearFIFO 82

i8014W_InstallMagicScanISR 83

i8014W_UnInstallMagicScanISR 86

i8014W_ClearInt 87

Troubleshooting .......................................................................88

How to verify the AI function on WinCE or WES unit? 88

Service-request requirement 92

Why does the data read from I-8014W seem unstable? 92

How to solve FIFO LATCHED error (-6)? 93

I-8014W API User Manual, v 1.0.1, September 2011 E-mail: [email protected]

Preface

The I-8014W is a 16-bit resolution, high speed isolated analog input module providing

16 single-ended or 8 differential analog input channels. Besides basic usage

knowledge and SDK interface, this manual intends to introduce the Magic Scan

function of I-8014W for scanning multi-channel system.

This manual contains

Chapter 1, “Hardware”–Provides hardware information such as specifications,

jumper setting note and wiring.

Chapter 2, “Quick Start”–Provides how to start an overview demo programs

location, Getting Started Guide, and calibration process.

Chapter 3, “Magic Scan”–Introduces the parameters in Magic Scan function,

programming procedure, and demo programs.

Chapter 4, “API”–Describes the diversity of naming rule for MiniOS7 and

Windows platforms and functions provided in I-8014W library.

Chapter 5, “Troubleshooting”–Provides some techniques for troubleshooting the

problems faced.

I-8014W API User Manual, v 1.0.1, September 2011 E-mail: [email protected]

Hardware

Specifications

Input Range

+/- 10 V, +/- 5 V, +/- 2.5 V, +/- 1.25 V

-20 mA ~ +20 mA (Requires Optional External

125 Ohm Resistor)

Resolution

16 bits

Sampling Rate

Single Channel, Polling Mode :250K S/s

FIFO

4k sample (8 k bytes)

Accuracy

0.05 % of FSR +/- 1 LSB

Input Mode

Polling, Pacer (Magic Scan)

Magic Scan Mode

Mode1: standard mode

Mode2: virtual sample and hold

Overvoltage Protection

+60 V ~ -45 V

Input Impedance

20 k, 200 k, 20 M (Jumper Select)

Intra-module Isolation, Field

to Logic

2500 Vrms

LED Power Indicator

Yes

Power Consumption

2.5 W Max

Operating Temperature

-25 ~ +75 °C

Storage Temperature

-30 ~ +85 °C

Humidity

5 to 95 % RH, Non-condensing

Dimensions (W x L x H)

30 mm x 102 mm x 115 mm

I-8014W API User Manual, v1.0.1, June 2011

Pin Assignments

I-8014W API User Manual, v 1.0.1, September 2011 E-mail: [email protected]

Jumper setting

Differential / Single Ended select jumper

Input impedance select jumper

Secondary

FPGA

Primary

FPGA

I-8014W API User Manual, v 1.0.1, September 2011 E-mail: [email protected]

Input impedance adjustment

The I-8014W provides three input impedances such as 20k, 200k (default setting)

and 20M Ohm to meet system requirement. For most of cases, 200k is good enough.

Every time when the input impedance is changed on a calibrated module, it is

necessary to calibrate the module again, refer to Calibration, page17, if you are using

I-8000 or iPAC-8000 (MiniOS7 platform controller); if you use WinCE or WES

platform unit, refer to page 28 for the calibration process.

I-8014W API User Manual, v1.0.1, June 2011

Wire Connection

Tips & Warnings

It is recommended to connect the V - to AGND (system ground)

when measuring differential voltage inputs as the figure shows

below:

While measuring current input, it is no use to enhance to accuracy.

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