Settings For Redundant System With Redundant Extension Base Unit - Mitsubishi Electric MELSEC iQ-R Series User Manual

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
Extension cable redundant error detection
setting at startup
Automatic standby Tracking
system recovery communication
function error at startup
Extension cable
error during running
Description
Set whether to detect an error when the extension cable between the
extension base units is not redundant 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.
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)

26.9 Settings for Redundant System with Redundant Extension Base Unit

Setting range Default
• Detect Detect
• Not Detected
• Automatically Automatically
recover recover
• Not to
automatically
recover
• Automatically Automatically
recover recover
• Not to
automatically
recover
26 REDUNDANT FUNCTION
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