Technical information

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Modicon M580 automation

platform

Embedded web pages

Presentation (continued)

Diagnostic web pages (continued)

Redundancy page

This page displays values from the RSTP conguration in Unity Pro.

Parameters Description

Service Status This is the status (Enabled or Disabled) of the RSTP bridge on the

corresponding CPU

Last Topology

Change

These values represent the date and time that the last topology change

was received for the corresponding Bridge ID

Redundancy Status Green The designated Ethernet port is learning or formatting

information

Yellow The designated Ethernet port is discarding information

Gray RSTP is disabled for the designated Ethernet port

Router Bridge

Statistics

Bridge ID This unique bridge identier is the concatenation of the

bridge RSTP priority and the MAC address

Bridge Priority In Unity Pro, congure the RSTP operating state of the

Bridge ID

Alarm Viewer page

The Alarm Viewer page reports detected errors in the application. Information about

alarm objects can be read, ltered, and sorted on this page. The type of information

displayed by the Alarm Viewer is adjusted in the Filter Alarms box.

Field Description

Type This column describes the alarm type

Status STOP You need to acknowledge the alarm

ACK An alarm has been acknowledged

OK An alarm does not require acknowledgment

Message This column contains the text of the alarm message

Occurance This column contains the date and time that the alarm occurred

Acknowledged This column reports the acknowledged status of the alarm

Zone This column contains the area or geographical zone from which the alarm

comes (0: common area)

Alarm Viewer

Redundancy