Mitsubishi Electric M800VW Series Manual page 564

M800V/M80V Series PLC Development Manual
6 Explanation of Built-in Editing Function (PLC On-board)
6.17 Device Menus
Starting or stopping the trace
 For starting the trace
(1) Press the menu key [START TRACE].
At the point of key pressed, setup trace condition is written to the NC and trace is started.
If the trace is already started, an error will occur and the trace cannot be executed.
(2) The trace status is displayed as "EXECUTING" for the trace status (trace) and "MONITORING" for the trace status (mon-
itor). Then, the trace status (total) is updated. Also the menu is updated to [SUSPEND MONITOR].
(3) When the trace repeat is set, the trace status (repeat) is updated when executing trace the number of its times after trig-
ger performed. Then, the total and after trigger returns to "0". The repeat continues until the trace stops.
 For stopping the trace
(1) Press the menu key [STOP TRACE] during the trace execution. At the point of key pressed, the trace is stopped.
(2) The trace status (trace) becomes "SUSPEND" .
Executing the trigger
(1) Press the menu key [EXECUTE TRIGGER] during the trace. At the point of the menu key pressed, the trigger (start point
(0 point) of the trace execution) is recorded in the trace data.
(2) The trace data (after trigger) is updated.
Starting or suspending the trace status monitor
 Starting the trace status monitor
(1) Press the menu key [START MONITOR] The menu key changes to [SUSPEND MONITOR], and the trace status monitor
is started. The each type of information for trace status is continually-updated.
When closing the trace execution screen during the trace, and then displaying the trace execution screen again, although
the trace status monitor is suspended, it can be started by the menu [START MONITOR].
 Suspending the trace status monitor
(1) Press the menu key [SUSPEND MONITOR] The menu key changes to [START MONITOR], and the trace status monitor
is suspended. The each type of information for trace status stops the updates.
Trace execution
 Abnormal operation
This information describes the details of error messages displayed on the trace execution screen and the corrective action
thereof.
Error message
The NC cannot execute during trace. Ex-
ecute again after trace is completed.
No results information.
Closing the trace execution screen
Use any of the following methods to close the trace execution screen.
Methods to close the screen
Press the [CLOSE] menu key.
Press the [TRACE RESULT] menu key.
Press the left arrow key.
Press the [ESC] key on the software keyboard.
Error details
This is displayed when the start trace is
executed during trace.
This is displayed when attempting to dis-
play trace result even though none trace
has executed.
539
Remedy
Start the trace during trace stop.
Display trace result after trace is complet-
ed.
IB-1501614-B