Special Relay And Special Register Used In The Memory Dump Function; Precautions For The Memory Dump Function - Mitsubishi Electric FX5 User Manual
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20.8
Special Relay and Special Register Used in the
Memory Dump Function
For details on the special relay and special register used in the memory dump function, refer to the following:
• Special relay: Special relay relating to the memory dump function (Page 324 Memory dump function)
• Special register: Special register relating to the memory dump function (Page 357 Memory dump function)
20.9
Precautions for the Memory Dump Function
This section describes precautions to take when using the memory dump function
Mutual exclusion of the memory dump function
The mutual exclusion of the memory dump function is as follows.
■When another function is executed
The following table lists the cases when another function is executed during the execution of the memory dump function
Function that has been
already executed
Memory dump function
*1 Indicates the state in which the memory dump status is "Collecting after trigger" or the save status is "Saving in progress".
■When the memory dump function is executed during the execution of another function
The following table lists the cases when the memory dump function is executed during the execution of another function.
Function that has been
already executed
Data logging function
Data backup function
Data restoration function
■When the memory dump function is executed
The following table shows the cases where the file operation related to the memory dump function is executed while the
memory dump function is in execution.
Target file
Memory dump setting file
Memory dump file
*1 Indicates the state in which the memory dump status is "Collecting after trigger" or the save status is "Saving in progress".
20 MEMORY DUMP FUNCTION
154
20.8 Special Relay and Special Register Used in the Memory Dump Function
Function to be
Operation
executed later
Data logging function
The memory dump function and data logging function cannot be used simultaneously.
Data backup function
The data backup function cannot be executed while memory dump is being registered/cleared.
Data restoration function
The data restoration function cannot be executed while a memory dump file or memory dump
setting file is being read or memory dump is being registered/cleared.
Function to be
Operation
executed later
Memory dump function
The memory dump function and data logging function cannot be used simultaneously.
While the data backup function is being executed, memory dump cannot be registered/
cleared.
While the data restoration function is being executed, a memory dump file or memory dump
setting file cannot be read or memory dump cannot be registered/cleared.
*1
File operation
Operation
Write
Settings that are subsequently written during the execution of the memory dump function are
reflected after the completion of save, not reflected immediately.
Delete
If the memory dump setting file is subsequently deleted during the execution of the memory
dump function, the memory dump settings are cleared after the completion of save.
Initialize
Initialization fails on the memory dump setting file during the execution of the memory dump
function.
Write, read, delete, and
Write, read, delete, and initialize on the memory dump file cannot be performed during the
initialize
execution of the memory dump function.
*1
.
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