Mitsubishi Electric MELSEC iQ-R C R12CCPU-V, Руководство пользователя

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4 BASIC FUNCTIONS
4.12 RAS Function
Event history function
A C Controller module collects and saves the error information such as errors detected by the module, operations done for the
module, and network errors from each module. The saved operation and error occurrence information can be checked and
viewed in chronological order.
Using this function enables to investigate the problems that have occurred in the equipment/devices, check the update related
to control data in a C Controller system, and detect any unauthorized access.
The event history information is constantly collected regardless of the operating state of the C Controller
module. In some cases; however, the event history information may not be collected due to a major error in a
module, a base unit error, a cable failure, or others.
Event history settings
Under normal circumstances, the event history function can be used with its default settings and doesn't need to be manually
configured. The storage memory and file size of the event history file can be changed if desired.
[CPU Parameter]  [RAS Setting]  [Event History Setting]
Window
Displayed items
■ Registration from a user program
Event logs can be registered from a user program by executing the C Controller module dedicated function
(CCPU_RegistEventLog). In this case, the event type will be "Operation".
Item Description Setting range Default
Save Destination Set the storage destination of event history files. • Data Memory
• Memory Card Data Memory
Set Save Volume of Per File Set the storage capacity per event history file. 1 to 2048 KB 128 KB
CW Configurator
The information of events that occurred in
the host CPU and modules controlled by
the host CPU are collected by the CPU
module in batch and saved.
The event information that is held in the CPU
module is displayed with Engineering tool.