Rockwell-automation Logix5000 Controllers Controller Information and S Manuel d'utilisateur télécharger pdf (Page 15)

Connections Chapter 1

Example:

This rung checks the status of an I/O connection. The controller checks the entry status of the connection; any value other than 4 indicates that the connection is

not functioning correctly. When the controller detects an error, the error code and information is trapped, and the controller tries to re-establish the connection.

Rockwell Automation Publication 1756-PM015F-EN-P – October 2014 15

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Programming Manual 1
Important user information 2
Summary of changes 3
Table of contents 5
Chapter 4 6
Chapter 5 6
Preface 7
Studio 5000 environment 7
Additional resources 8
Connections 9
Inhibit a connection 10
Manage a connection 12
Chapter 2 17
Introduction 17
Estimate memory 17
View run-time memory 19
Information 20
Write Logic to Get Memory 20
Convert INTs to a DINT 22
Controller logging 23
Controller log header 24
Controller log entry 24
Controller log buffer 26
Automatic Save 27
Example: 28
Save On Demand 29
Controller logging counters 30
Unsaved Entry Count 31
Execution Modification Count 32
Log file storage 35
Log File Location 36
Log file format 37
Create custom log entries 38
Sample ladder Logic file 39
Controller log events 39
Change detection 47
ChangesToDetect 48
AuditValue 49
ChangesToDetect Format 50
Change detection in Logix 51
Designer Application 51
Access status information 53
Status of S:FS when the 54
Get and set system data 54
Rockwell Automation support 59

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