Mitsubishi Electric MELSEC iQ-R Series - Settings for Redundant System with Redundant Extension Base Unit

26 REDUNDANT FUNCTION
26.9 Settings for Redundant System with Redundant Extension Base Unit
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26.9 Settings for Redundant System with Redundant
Extension Base Unit
Set the operation of the redundant system with redundant extension base unit in the redundant system settings of the CPU
parameter.
[CPU Parameter]  [Redundant System Settings]  [Redundant system with extension base unit]
Before using this function, check the versions of the CPU module and engineering tool used. ( Page 747
Added and Enhanced Functions)
Window
Displayed items
Item Description Setting range Default
Extension cable redundant error detection
setting at startup
Set whether to detect an error when the extension cable between the
extension base units is not redundant at startup.
•Detect
• Not Detected
Detect
Automatic standby
system recovery
function
Tracking
communication
error at startup
Set whether to recover the standby system automatically when the
standby system fails to start up due to any of the following causes.
• One of the systems is turned off and on before both systems start up.
• The other system is turned on before the first system starts up.
• It took a long time to start up the standby system.
• Automatically
recover
• Not to
automatically
recover
Automatically
recover
Extension cable
error during running
Set whether to perform automatic recovery for the new standby system
when the system is switched due to an error in the extension cable
(between extension base units) on the active side (the side with the
ACTIVE LED lit). ( Page 430 Automatic recovery of the CPU
module of the standby system)
• Automatically
recover
• Not to
automatically
recover
Automatically
recover