Rockwell-automation 1761-NET-DNI DeviceNet Interface (DNI) Manual de usuario descargar pdf (Pagina 52)

100

Publication 1761-UM005B-EN-P - October 2006

52 DNI Configuration Parameters and Programming Notes

Example

With the starting output word at N7:95 (Output Word Offset), and the

starting input word at N7:90 (Input Word Offset), you need to

program this rung in the controller’s program to move the heartbeat

bit.

Your program should also monitor N7:95/7 for activity. If activity is

lost, it represents a problem with the connection to the DNI, or the

DNI has some type of error or problem.

See the application example MicroLogix as I/O on the DeviceNet

Network on page 69 for more information about using the DF1

Heartbeat.

N7:95

N7:90

1 2 ... 47 48 49 50 51 52 53 54 55 56 57 ... 99 100

DeviceNet 1
Interface 1
Important User Information 2
Summary of Changes 3
4 Summary of Changes 4
Table of Contents 5
Table of Contents 6 6
About This Publication 7
Who Should Use This 7
Publication 7
Conventions 7
Additional Resources 8
Overview 9
10 Overview 10
Quick Start 11
IMPORTANT 12
Configuring Master/Slave 13
0…254 0 90 14
0…254 1 95 14
16 Quick Start 16
Operation 17
Network Configuration 18
Software 18
Messaging Services 19
Messaging Overview 20
Programming Over the 21
DeviceNet Network 21
Remote Access to DeviceNet 22
Installation and Wiring 23
Safety Considerations 24
Mounting 24
Panel Mounting 25
Network Port Wiring 26
Cable Selection Guide 26
Programming Notes 27
EDS Parameters for the DNI 28
Input Size 29
Input Split Point 30
Organization of Input Data 31
Input Split Point Example 31
Input Type 33
Input Data File 33
Input Word Offset 34
Output Size 35
Output Split Point 36
Organization of Output Data 37
Output Split Point Example 37
Output Type 38
Output Data File 39
Output Word Offset 39
Device Type 41
I/O Scan Enable 41
DF1 Heartbeat 43
DF1 (RS-232) Port A DEF A 44
DNI’s Read Sequence 44
DNI’s Write Sequence 44
Data Scan Delay 45
Message Timeout 46
DF1 Substitute Address 47
DF1 Autobaud 47
DF1 Baud Rate 48
DeviceNet Autobaud 48
Status Byte 50
Input Status to Master Device 50
Output Status to DF1 Device 51
DNI Software Files 53
File Descriptions 54
Obtaining the Files 54
Setting Up Network 55
Configuration Software 55
– Communications Adapter 56
Setting Up DeviceNet Manager 57
Commissioning the DNI 58
Modifying DNI Parameters 60
Troubleshooting 63
Fault Conditions 64
DNI Series A 65
DeviceNet Class Codes 65
DNI Series B 66
Class Code: 0x04 67
Application Examples 69
Example DNI Configuration 70
Parameters 70
Example Ladder Logic 71
Using DF1 Protocol for 78
Explicit Messages Over a 78
Routing Profile 79
Configuration 79
Explicit Messaging 80
Examples 80
Writing (Set) Data Example 82
Specifications 85
Dimensions 86
88 Specifications 88
Glossary 89
Interface Basics 89
Terms and Abbreviations 89
90 Glossary 90
Peer-To-peer 91
Profile Register 91
92 Glossary 92
94 Index 94
Index 95 95
96 Index 96
Index 97 97
98 Index 98
Rockwell Automation 100

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