ICP DAS USA I-8026W User manual

I-8026W API User Manual, v1.0.1, June 2015

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I-8026W

Linux API reference Manual

Multifunction I/O Module

Version 1.1.0, Jan 2015

Written by Hans Chen

I-8026W API User Manual, v1.0.1, June 2015

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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, nor for any infringements of patents or other rights of third parties

resulting from its use.

Trademarks

Names are used for identification only and may be registered trademarks of

their respective companies.

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

You can count on us for quick response.

Email: [email protected]

I-8026W API User Manual, v1.0.1, June 2015

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Table of Contents

Table of Contents.............................................................................................. 1-3

Preface.............................................................................................................. 1-5

1. Introduction .................................................................................................. 1-6

1.1. Specifications ..........................................................................................................1-7

1.2. Pin Assignments ......................................................................................................1-9

1.3. Wire Connections..................................................................................................1-10

1.4. Internal I/O Structure ............................................................................................1-11

1.5. Dimensions ...........................................................................................................1-12

2. Quick Start................................................................................................... 2-13

3. API Functions............................................................................................... 3-14

3.1. i8026W_Init...........................................................................................................3-15

3.2. i8026W_GetFirmwareVer......................................................................................3-16

3.3. i8026W_GetLibVersion..........................................................................................3-17

3.4. i8026W_ReadAOGainOffset ..................................................................................3-18

3.5. i8026W_WriteAO ..................................................................................................3-19

3.6. i8026W_WriteAOHex ............................................................................................3-20

3.7. i8026W_ReadbackAO............................................................................................3-22

3.8. i8026W_ReadbackAOHex......................................................................................3-23

3.9. i8026W_WriteDO..................................................................................................3-24

3.10. i8026W_WriteDOBit............................................................................................3-25

3.11. i8026W_ReadDIO................................................................................................3-26

3.12. i8026W_ReadAI...................................................................................................3-27

3.13. i8026W_ReadAIHex.............................................................................................3-28

3.14. i8026W_ReadAIGainOffset..................................................................................3-29

4. Troubleshooting .......................................................................................... 4-31

4.1. Service Request Requirements ............ 4-32

4.2. What to do when the data read from the I-8026W seems unstable.......................4-33

I-8026W API User Manual, v1.0.1, June 2015

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Appendix A. Error Codes ................................................................................. 4-34

I-8026W API User Manual, v1.0.1, June 2015

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Preface

The I-8026W is a multifunction I/O module that provides 6 Analog Input channels, 2 Analog Output

channels, 2 Digital Input channels, 2 Digital Output channels.

The information contained in this manual is divided into the following topics:

Chapter 1, “Introduction”–This chapter provides information related to the hardware, such as

the specifications, the jumper settings details and wiring guidelines.

Chapter 2, “Quick Start”–This chapter provides information on how to get started, including

an overview of the location of the demo programs, a “Getting Started Guide”, and an outline

of the calibration process.

Chapter 3, “API Functions”–This chapter describes the functions provided in the I-8026W

library, together with an explanation of the differences in the naming rules used for the

MiniOS7 and the Windows platforms.

Chapter 4, “Troubleshooting” –This chapter provides some troubleshooting techniques should

you encounter any problems while operating the I-8026W module.

I-8026W API User Manual, v1.0.1, June 2015

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1. Introduction

The I-8026W is a multifunction module that provides 6 Analog Input channels, 2 Analog Output

channels, 2 Digital Input channels, and 2 Digital Output channels.

It also allows a programmable input range on all Analog Input channels (±10 V, ±5 V, ±2.5 V, ±1.25 V,

and ±20 mA), while Analog Output channels are 12 bit at either ±10 V, ±5 V, 0 to 10 V, 0 to 5 V, or 0

to 20 mA. Each Analog Input channel can be configured for an individual range, and a high

overvoltage protection of 240 Vrms is also provided. Voltage and current inputs/outputs are jumper

selectable.

Applications

• Industrial Automation

• Industrial Machinery

• Building Automation

• Food and Beverage Systems

• Semiconductor Fabrication

• Control Systems

I-8026W API User Manual, v1.0.1, June 2015

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1.1. Specifications

Analog Input

Input Channels

Input Type

±10 V, ±5 V, ±2.5 V, ±1.25 V, ±20 mA

(Jumper Selectable)

Resolution

12-bit

Accuracy

0.2% of FSR for +/- 1 LSB

Overvoltage Protection

240 Vrms

Input Impedance

>2 MΩ

Sampling Rate

Max to 9k Samples/sec (detailed refer to below table

Performance for Read AI Functions)

Individual Channel Configuration

Yes

Analog Output

Output Channels

Output Type

±10 V, ±5 V, 0 to 10 V, 0 to 5 V, 0 to 20 mA (Jumper

Selectable)

Resolution

12-bit

Accuracy

± 0.2% of FSR

Voltage Output Capability

10 V @ 20 mA

Individual Channel Configuration

Yes

Setting Time

Max to 320 us

Digital Input

Output Channels

Type:

Wet Contact (Sink/Source)

On Voltage Level

+10 V to +30 V

Off Voltage Level

+5 V Max.

Response speed

5K Hz/s

Digital Output

I-8026W API User Manual, v1.0.1, June 2015

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Input Channels

2 (Sink/Source)

Type

Isolated Open Collector (Sink)

Max. Load Current

100 mA/channel

Load Voltage

+5 VDC to +30 VDC

Response speed

5K Hz/s

LED Indicators/Display

System LED Indicator

1 LED as Power/Communication Indicator

I/O LED Indicator

4 LEDs as Digital Input & Digital Output

Isolation

Intra-module Isolation, Field-to-Logic

2500 VDC

EMS Protection

ESD (IEC 61000-4-2)

±4 kV Contact for Each Terminal

±8 kV Air for Random Point

Power

Power Consumption

1.8 W Max.

Environment

Operating Temperature

-25 to +75°C

Storage Temperature

-30 to +80°C

Humidity

5 to 95% RH, Non-condensing

Mechanical

Dimensions (W x L x H)

30 mm x 102 mm x 115 mm

I-8026W API User Manual, v1.0.1, June 2015

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1.2. Pin Assignments

I-8026W API User Manual, v1.0.1, June 2015

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1.3. Wire Connections

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