Rockwell-automation 1768-EWEB EtherNet/IP Web Server Module User Manua Uživatelský manuál stáhnout pdf (Strana 149)

Publication ENET-UM527E-EN-P - October 2006

Socket Interface 149

MSG Source Element:

Create a user-defined data type.

where:

MSG Source Length

Specify 8 bytes (Timeout + BufLen)

Element Element Description

Timeout DINT Specify the timeout in milliseconds

BufLen DINT Specify the number of bytes of data to receive.

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EtherNet/IP Web 1
Server Module 1
Important User Information 2
Summary of Changes 3
Table of Contents 5
6 Table of Contents 6
Table of Contents 7 7
Appendix A 8
Connect Over Ethernet 8
Appendix B 8
Table of Contents 9 9
10 Table of Contents 10
Who Should Use This 11
Publication 11
Conventions 11
About This Publication 11
12 12
Getting Started 13
14 Getting Started 14
Getting Started 15 15
1756-EWEB Installation 17
1768-EWEB Installation 18
System Requirements 19
Access the Module Using 19
Your Web Browser 19
Default Access: 20
User Name: Administrator 20
(not case sensitive) 20
Password: 20
(leave blank, no password) 20
Navigate the Web Server 22
Use the Web Server 23
Access a Data View 24
Getting Started 25 25
Configure Email 26
Configure the Time Server 27
Enable/disable Other Services 28
30 Getting Started 30
Web Server Module 31
Assign Network 32
Parameters When the 32
Network Has a DHCP 32
Parameters Without A 35
DHCP Server 35
RSWho Icon 38
Duplicate IP Address 40
Detection 40
IP Address Swapping 42
DNS Addressing 42
Verify Network Settings 44
Manage Module Settings 47
Modify Network Parameters 49
Manage Server Settings 51
Display the Server Log 54
About This Chapter 55
Data Views Overview 55
Tags Supported In Data Views 56
Performance Estimates 56
Create a Data View 57
Add Tags to a Data View 58
Monitor Data Views and 59
Tag Data 59
Sort Data Views 60
Edit a Data View 61
Create Data Views Offline 62
Use an External 63
Application to Access 63
Data Views 63
Example: Data View XML 64
Send Email 67
Configure the Web Server 69
Send an Email Via the Web 70
Send an Email with a 71
Controller-initiated 71
Message Instruction 71
Enter the Ladder Logic 72
Configure the MSG Instruction 73
74 Send Email 74
Enter the Text of the Email 75
Possible Email Status Codes 75
76 Send Email 76
User Accounts and 77
Privilege Classes 77
Configure Access Limits 78
For Web Pages 78
In This Field Do This 79
’/user/Web/mypage.html’ 79
Create User Accounts 80
Recover with Unknown 81
Password 81
Access the Web Server’s 83
File System 83
File Names and Types 85
Back Up the File System On 87
Back Up Files 88
Restore Files 89
This is the /user directory 90
Create Custom Web Pages 91
Develop a Custom Web 93
ASP Function Calls 93
Read Controller Tags 94
Read CIP Data 95
Update Control System Data 96
Retrieve Information About 97
Javascript Libraries 98
Web Page Forms and POST 102
Handlers 102
XML."); 103
IMPORTANT 103
For example, this code: 104
HTML stream 110
For example: 110
Monitor Diagnostics 113
Diagnostics Overview 114
Network Settings 116
Message Connections 117
Ethernet Statistics 119
Over Ethernet 121
TCP Connections 123
Additional Resources 123
Socket Interface 125
Architecture 126
Socket Interface 127 127
OpenConnection 130
Communicate With the 132
Socket Object Via a MSG 132
Instruction 132
Message Transfer Sizes 133
Service Timeouts 134
MSG Instruction Timeouts 134
Socket Instance Timeouts 134
Programming 135
Considerations 135
136 Socket Interface 136
Application Messages and TCP 137
Partial Reads 137
Partial Writes 138
Socket Object Services 140
CreateSocket 141
MSG Source Length 142
MSG Destination Element 142
MSG Source Element 144
AcceptConnection 146
MSG Configuration Parameters 148
MSG Source Element: 149
DeleteSocket 153
DeleteAllSockets 154
Possible Error Codes for 155
Socket Services 155
Decimal Hexadecimal 156
Socket Attributes 157
158 Socket Interface 158
Socket Interface 159 159
Troubleshoot Socket 160
Applications 160
162 Socket Interface 162
164 Index 164
Index 165 165
166 Index 166
How Are We Doing? 167
BUSINESS REPLY MAIL 168
Rockwell Automation 170

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