4 FUNCTIONS
4.12 RAS Function
4.12.1 Automatic return function
RAS is an abbreviation for Reliability, Availability and Serviceability. This refers to the
total ease of use in an automated facility.
This function allows the remote and local station disconnected from the data link due to
power off, etc. to be recovered to the data link automatically when the module returns
to normal operation.
When using the automatic return function, set the mode setting switch to "0" or "1".
Mode setting switch
0
1
2
Setting details
Online (remote net mode)
Online (remote I/O net mode)
Offline
4 - 28
MELSEC-A
Remark
–
–
Data link not possible
(disconnected)