Rockwell-automation Logix5000 Controllers Controller Information and S Manual de usuario descargar pdf (Pagina 23)

Chapter 3

Controller logging

You use the controller logging feature to detect and log changes made to

Logix5000 controllers without adding any auditing software. With controller

logging, the controllers:

• Detect changes and create logs entries containing information about the

changes.

• Store the log entries to removable media for later review.

• Provide programmatic access to log entry counters to provide change

detection information remotely.

Note the following logging considerations:

• The 1769-L3x and 1769-L4x CompactLogix Controllers do not support

storing log entries to removable media, and the audit value is not populated.

• The Audit Value is not supported in versions 19 and earlier.

A controller log is a record of interactions that have occurred in the controller due

to physical conditions such as keyswitches, changes to removable media, fault

conditions, and programming changes configured in the application. Up to 100

log entries are buffered in the controller memory. The controller can save these

buffered entries to the removable media by using a message instruction.

Additionally, you can configure the controller to automatically write buffered

entries to the removable media after 80 entries have accumulated.

In the example table below, Record Numbers 4-6 are part of the Change

Detection feature. See Change detection on page 47

Record

Number

Time Entry Description User Name

Workstation

Name

FactoryTalk

Extended

Information

Change Detection Audit

Value

1 12-Feb 03:39:34 Project download John Doe Laptop FT\JDoe Project L71 16#FD60_CB89_029F_3500

2 12-Feb 04:05:12 Forces Enabled Jones USMAYLT FT\Jones

3 12-Feb 04:22:03 Online edits modified

controller program

John Doe Laptop FT\JDoe

4 12-Feb 04:42:12 Change Log entry added

FT\JDoe

16#FD60_CB89_029F_3521

Introduction

Controller log

Rockwell Automation Publication 1756-PM015F-EN-P – October 2014 23

1 2 ... 18 19 20 21 22 23 24 25 26 27 28 ... 58 59

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