ICP DAS USA I-8014W Manuale utente
Copyright © 2011 ICP DAS Co., Ltd. All Rights Reserved.
1
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
Copyright © 2011 ICP DAS Co., Ltd. All Rights Reserved.
2
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.
Copyright
Copyright @ 2011 by ICP DAS Co., Ltd. All rights are reserved.
Trademark
The names used for identification only may be registered
trademarks of their respective companies.
Contact US
If you have any problem, please feel free to contact us.
You can count on us for quick response.
Email: [email protected]
Copyright © 2011 ICP DAS Co., Ltd. All Rights Reserved.
3
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
Copyright © 2011 ICP DAS Co., Ltd. All Rights Reserved.
4
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
Copyright © 2011 ICP DAS Co., Ltd. All Rights Reserved.
5
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.
Copyright © 2011 ICP DAS Co., Ltd. All Rights Reserved.
6
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
7
Pin Assignments
Copyright © 2011 ICP DAS Co., Ltd. All Rights Reserved.
8
Jumper setting
Differential / Single Ended select jumper
Input impedance select jumper
Secondary
FPGA
Primary
FPGA
Copyright © 2011 ICP DAS Co., Ltd. All Rights Reserved.
9
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
10
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.
Indice
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