Rockwell-automation 1747-PCINT API Software for 1746 I/O Manual de usuario descargar pdf (Pagina 27)

Publication 1747-6.5.3 June 1998

Chapter

Developing Applications

Introduction This chapter describes the proper programming sequence for your application. This

chapter also describes how to partition the dual port memory in the 1746 I/O PCI

Interface.

How the API

Functions Are

Organized

Each of the API functions falls into one of these four categories:

• scanner initialization

• scanner I/O configuration

• data input/output

• user interface/miscellaneous

Chapter 6 describes each API function and identifies its functionality group.

1 2 ... 22 23 24 25 26 27 28 29 30 31 32 ... 154 155

API Software for 1
1746 I/O PCI 1
Interface 1
Allen-Bradley 1
Important User 2
Information 2
Using This Manual 3
Preface–2 Using This Manual 4
Table of Contents 5
Configuring I/O 6
Chapter 5 6
Error Codes Appendix A 7
Overview 9
The 1746 I/O PCI 10
Interface API 10
Understanding 11
Architecture 11
1–4 Overview 12
Installing the 13
Windows NT API 14
Installation Details 15
1–8 Overview 16
Using the API 17
DOS Considerations 18
2–4 Using the API 20
2–6 Using the API 22
Developing Applications 27
Programming 28
Sequence 28
Initialize the scanner 29
Configure the scanner 29
3–4 Developing Applications 30
Scan I/O 31
Example for DOS 32
Developing Applications 3–7 33
3–8 Developing Applications 34
Developing Applications 3–9 35
3–10 Developing Applications 36
Developing Applications 3–11 37
Example for 38
Windows NT 38
Developing Applications 3–13 39
3–14 Developing Applications 40
Developing Applications 3–15 41
3–16 Developing Applications 42
Developing Applications 3–17 43
3–18 Developing Applications 44
Developing Applications 3–19 45
3–20 Developing Applications 46
Using the API Structures 47
Configuring I/O Modules 49
5–2 Configuring I/O Modules 50
Using M0-M1 Files 51
Supported I/O 52
5–6 Configuring I/O Modules 54
Library of Routines 55
OCIOCFG structure 61
Return Value: 101
Considerations: 101
Example: 101
MsgFilter 104
MsgFilter is: 104
WORD len); 111
of the module in the slot 113
and len are ignored 113
Description: 115
(*callback)() ); 129
This example is for DOS only 130
Parameters: 142
Appendix 147
Extended Error 148
B–2 Testing Function Calls 152
Publication Problem Report 153
BUSINESS REPLY MAIL 154
Worldwide representation 155

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