Introducing the CPU Status Page

Use CPU Status page to view CPU information, including:

  • LEDs status

  • processor identification

  • processor operating status

  • status of local and networked I/O

  • application identification

  • select application configuration settings

Accessing the CPU Status Page

Access the CPU Status page from the Diagnostics menu. In the navigation menu at the left side of the page, select Diagnostics > CPU Status .

An example of the CPU Status page:

CPU Status Data

The CPU Status page displays the following data:

Data Field

Description

Status

Reference Present

The processor description:

  • 171 CBU 78090

  • 171 CBU 98090

  • 171 CBU 98091

Module State

One of the following states:

  • NO CONFIGURATION

  • IDLE

  • STOP

  • RUN

  • HALT

  • INITIALIZING

  • ERROR

  • OS LOADER

Version

Module version

Local IO Health

The state of system bit %S119:

  • OK

  • NOK

IO Bus Health

The state of system bit %S118:

  • OK

  • NOK

Patch

The version of the firmware patch, if any:

  • 0 = no patch

  • 1 = version A

  • 2 = version B

  • ...

Product Range

The processor family: a constant value of M1

Product Type

Processor (fixed value)

Reference Configured

The processor specified in the application:

  • M1

  • M1E

  • M1E-GD

Processor

RAM size (kb)

The size of processor RAM in KB

Internal version

Firmware version

Hardware ID

An identifier for the module hardware. OS Loader checks this value to determine compatibility between the hardware and the operating system.

State

The operating state of the processor:

  • NO CONFIGURATION

  • IDLE

  • STOP

  • RUN

  • HALT

  • INITIALIZING

  • ERROR

  • OS LOADER

Error

The identity of the last detected error

Calendar

Date and time of last detected error

Signature

CID

Creation ID: Random number generated when an application is created. The number remains a constant.

MID

Modification ID: Random number generated on each application modification and rebuild, either partial or global. When an application is created, MID = CID.

AID

AutoModification ID: A new random value is generated for AID by the PLC after one of the following minor modifications to the application:

  • a Control Expert request to modify %KW

  • a P_Unit request that performs a save_param request or replaces init value

When an application is created or built in local mode, AID = 0.

LID

Layout ID: Random number generated after a modification of the variable layout. LID does not change as a result of a runtime change either adding or deleting a data block.LID changes only on when the global rebuild of the application.

LID addresses the needs of Hot Standby. It permits the transfer of a memory block from the primary PLC to the standby so that application variables (except for deleted or new ones) exist at the same location.

LID = CID = MID when the application is created.

DID

Data ID: Indicates that a block of data has been freed. Also used for the special case of remapping a symbol from unlocated to located.

Application

Name

Name of the Control Expert project

Version

Project version

Creation version

Includes both:

  • Version and build of Control Expert used to create the project.

  • Date and time the project was created.

Modified version

Includes both:

  • Version and build of Control Expert used to edit the project.

  • Date and time the project was last edited.

Last Stop

The event that last caused the application to stop. Values include:

  • Changeover from RUN to STOP by the terminal or dedicated input

  • Stop on software detected fault (task overrun or SFC overrun)

  • Power loss detected

  • Stop on hardware detected fault

  • Stop on HALT instruction

Last Stop Date

Date an event last caused the application to stop.

Auto run

The state of the Automatic Start in RUN setting:

  • Yes indicates that the processor is configured to start in RUN mode after a cold restart.

  • No indicates that the option is not selected in the processor configuration.

Initialize %MW

The state of the Initialize %MWi on cold start setting:

  • Yes indicates that the processor is configured to initialize the %MWi internal words on a cold start.

  • No indicates that the option is not selected in the processor configuration.

Application upload

Indicates if the application in PLC memory has additional information (that is, comments) when uploading.

Section protected

Indicates if password access is required to edit one or more sections of the application:

  • Yes indicates that a password is required to edit specified sections of the application.

  • No indicates that no password is required for application editing.

Diagnostic

Indicates if the diagnostic buffer has been activated for the project:

  • Yes indicates that Application diagnostics and/or System diagnostics has been selected in the General > PLC Diagnostics tab of the Project Settings dialog for the application.

  • No indicates Application diagnostics and System diagnostics have not been selected.

Forced bit

The number of forced bits in the application

IO Bus Devices Status

Configured number

The number of I/O devices on the I/O-Bus that are configured in the application.

Detected number

The number of I/O devices on the I/O-Bus that have been detected by the processor.