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0 online menu: stopping tasks, 1 stopping an individual task, 2 stopping all tasks in the rack – Rockwell Automation 47C626 AutoMax Programming Executive V4.2 User Manual

Page 183

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16Ć1

16.0 ONLINE MENU:

STOPPING TASKS

WARNING

IT IS THE RESPONSIBILITY OF THE USER TO ENSURE THAT THE APPLICATION

PROCESS STOPS IN A SAFE MANNER WHEN THE APPLICATION PROGRAMS

STOP. FAILURE TO OBSERVE THESE PRECAUTIONS COULD RESULT IN BODILY

INJURY.

You can stop one or all tasks running in the rack using the stop

command from the Online menu. To stop any tasks, the keyswitch

must be in the PROGRAM position and the password must have

been entered.
Note that you cannot stop individual tasks that were specified as

CRITICAL when added to the rack in the Task Manager. Critical task

status display described in 11.3. If you want to stop a task that is

critical, you must stop all tasks in the rack. See 16.1 for stopping an

individual task and 16.2 for stopping all tasks in the rack.

16.1

Stopping an Individual Task

WARNING

DEPENDING ON THE APPLICATION, STOPPING AN INDIVIDUAL TASK MAY

RESULT IN LOSS OF CONTROL OF THE APPLICATION PROCESS. IT IS THE

RESPONSIBILITY OF THE USER TO DETERMINE THE POTENTIAL HAZARDS

INVOLVED. IT IS RECOMMENDED THAT THE STOPĆALL COMMAND BE USED TO

STOP TASKS NORMALLY. FAILURE TO OBSERVE THESE PRECAUTIONS COULD

RESULT IN BODILY INJURY.

You can stop any individual task that is not designated with a C" for

CRITICAL in the C field of the task status display. Note that outputs

controlled by the selected task will retain their last state. To stop an

individual task, follow the directions below.
1. Select the task from the Online menu display using the arrow

keys to move the >" pointer.

2. Type Enter" or to select the task. The selected task will

be shown in reverse video.

3. Type S" to stop the task. The task Status" field on the display

will show that the task is in STOP.

16.2

Stopping All Tasks in the Rack

When you stop all tasks in the rack by issuing a STOPĆALL command

(or the system issues a STOPĆALL due to an error in the rack), all

tasks that are running will be stopped, including utility tasks (see

14.3.1). The system will issue a clear command to all Reliance I/O

modules in the local and remote chassis, including I/O connected to

the PMI rail ports. See table 16.1 for a summary of what happens