States Of The Memory Dump Function - Mitsubishi Electric MELSEC iQ-R-R00CPU User Manual

States of the memory dump function

The state of the memory dump function is reflected in the memory dump status. The engineering tool allows the memory
dump status to be checked. ( GX Works3 Operating Manual)
Memory dump status
The following table lists the memory dump status.
Memory dump status
Trigger-wait not collected
Collecting after trigger
Collection completed
Error
LED status
Whether the memory dump function is active or not can be checked by the LED of the CPU module.
State of the memory dump
function
Trigger-wait not collected
Collecting after trigger
Collection completed
To let the FUNCTION LED indicate the status while the memory dump function is used, setting "LED Display
Setting" in "RAS Setting" of the CPU parameter is required. ( Page 131 LED display setting)
For the FUNCTION LED indication, the LED indicator follows the status of the following LED indications.
• When the external input/output forced on/off function is executed (in registration) ( Page 154
FUNCTION LED)
• When program restoration information is not written ( Page 942 Checking the program restoration
information write status)
After the external input/output forced on/off function has been executed (after the registration is canceled) and
the program restoration information has been written, the LED display follows the status of the memory dump
function.
Description
A state that data is not yet collected and establishment of the trigger condition is being waited
A state that collection of the data after trigger is in progress (includes a state that collected data is being saved in the
target memory)
A state that collection of a specified data is completed
A state that a memory dump error occurs and memory dump fails
LED status
FUNCTION LED
On
Flashes slowly (every one second)
Flashes at normal rate (every 200ms)
CARD READY LED
On
On
On
12.1 Memory Dump Function
CARD ACCESS LED
Off
Turns on when the SD memory
card is accessed
Off
12 DEBUG FUNCTION
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12