Mitsubishi Electric MELSEC-Q Series Migration Manual page 344
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Also See for MELSEC-Q Series:
- User manual (834 pages) ,
- Reference manual (674 pages) ,
- Programming manual (624 pages)
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■RAS functions
: Compatible/function available : Partly changed : Incompatible/function not available : Not applicable
Item
Slave station cutoff
function
Automatic return function
Setting of the data link
status upon an error in
the programmable
controller CPU of the
master station
Setting of the status of
the input data from a data
link faulty station
Slave station refresh/
compulsory clear setting
in case of programmable
controller CPU STOP
Standby master station
Master station duplication
error canceling function
*1 This function is not available for the QJ61BT11.
■Diagnostic functions
: Compatible/function available : Partly changed : Incompatible/function not available : Not applicable
Item
Line test
Transmission speed test
CC-Link diagnostics
Hardware test
*1 This function is not available for the QJ61BT11.
9 CONTROL NETWORK MODULE MIGRATION
342
9.3 Comparison of Control Network Module Functions
Description
Data link can be continued in a normal station by disconnecting a
slave station that cannot perform data link due to reasons such as
power-off. (No parameter setting is required.)
Using this function prevents the entire system from going down
when one station goes down.
When a slave station that has been disconnected from data link due
to reasons such as power-off returns to the normal status, data link
is automatically restarted. The time between an error and a return
can be shortened.
Selects whether to stop or continue data link when a stop error
occurs in the CPU module of a master station.
Selects whether to clear or hold input data from a data link faulty
station. Selects how data should be handled according to the
system used.
Selects whether to refresh or compulsorily clear remote output (RY)
when the switch on a CPU module is set to STOP. Selects how data
should be handled according to the system used.
If the master station goes down due to an error in a CPU module,
power supply, or others, switching the control to the standby master
station (a backup station for the master station) continues data link.
This function is used not to stop the entire system even if the master
station goes down.
Clears a master station duplication error without resetting the CPU
module or powering off and on the system when the error has been
detected.
Description
Checks whether a CC-Link dedicated cable is properly connected
and data link can be performed with slave stations.
Checks whether the transmission speed setting of a slave station is
the same as that of the master station. The station number of the
slave station having a different transmission speed setting can be
also checked; therefore, corrective action upon a transmission error
can be easily taken.
Checks the status of CC-Link system using an engineering tool.
Unlike the link special relay (SB) and the link special register (SW),
the system status can be checked on a graphical window; therefore,
corrective actions can be easily taken.
Checks the hardware in the master/local module.
MELSEC-Q
MELSEC iQ-R
series
series
QJ61BT11(N)
RJ61BT11
*1
*1
MELSEC-Q
MELSEC iQ-R
series
series
QJ61BT11(N)
RJ61BT11
*1
Precautions
Precautions
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