Mitsubishi Electric MELSEC iQ-R Series - Online Module Change Function

APPX
Appendix 4 List of Special Relay Areas
663
A
Online module change function
The following is the list of special relay areas relating to the online module change function.
No. Name Data stored Details Set by (setting
timing)
SM1600 Module selection request
flag
OffOn: Requested This relay is turned on to select an online change target
module. When changing a module directly, the system
turns on this relay upon removal of the target module. The
relay can be turned on only when the value set in SD1617
is 0 (Normal operation). The relay turns off upon completion
of the online module change processing. If the selection
cancel is requested, the relay turns off after the selection is
cancelled.
S (Status change)/
U (Request)
SM1601 Module selection
completion flag
Off: No module selected
On: Selected
This relay turns on when an online change target module
has been selected. The relay turns off upon completion of
the online module change processing.
S (Status change)
SM1602 Module removal request
flag
OffOn: Requested This relay is turned on to request a removal of the selected
module. When changing a module directly, the system
turns on this relay upon removal of the target module. The
relay can be turned on only when the value set in SD1617
is 2 (Module selected). The relay turns off upon completion
of the online module change processing.
S (Status change)/
U (Request)
SM1603 Module removal ready
flag
Off: Not prepared
On: Ready
This relay turns on when the selected module is ready to be
removed. The relay turns off upon completion of the online
module change processing.
S (Status change)
SM1604 Module removal
completion flag
Off: Not completed
On: Completed
This relay turns on when the selected module has been
removed. The relay turns off upon completion of the online
module change processing.
S (Status change)
SM1605 Module mounting
completion flag
Off: Not completed
On: Completed
This relay turns on when a new module has been mounted.
The relay turns off upon completion of the online module
change processing.
S (Status change)
SM1606 Module recognition
request flag
OffOn: Requested This relay is turned on to request recognition of the newly-
mounted module. When changing a module directly, the
system turns on this relay upon mounting of the module.
The relay can be turned on only when the value set in
SD1617 is 6 (Module mounted). The relay turns off upon
completion of the online module change processing.
S (Status change)/
U (Request)
SM1607 Module recognition
completion flag
Off: Not recognized
On: Recognized
This relay turns on when the newly-mounted module is
recognized by the system. The relay turns off upon
completion of the online module change processing.
S (Status change)
SM1608 Module control
resumption request flag
OffOn: Requested This relay turns on to start control of the replaced module.
When changing a module directly, the system turns on this
relay upon recognition of the module. The relay can be
turned on only when the value set in SD1617 is 8 (Module
recognized). The relay turns off upon completion of the
online module change processing.
S (Status change)/
U (Request)
SM1609 Online module change
completion flag
Off: Not completed
On: Completed
The relay turns on upon completion of the online module
change processing. This relay turns off in the next scan.
S (Status change)
SM1615 Module selection
cancellation request flag
OffOn: Module selection
cancellation requested
This relay is turned on to cancel a module selection
request. The relay can be turned on only when the value
set in SD1617 is 2 (Module selected). The relay turns off
after the selection is cancelled.
S (Status change)/
U (Request)
SM1616 Online module change
a
v
ailability flag
Off: Disabled
On: Enabled
This relay turns on when only the Process CPU is used in a
single CPU system. In a multiple CPU system, if any of the
CPU modules other than the Process CPU does not
support the online module change function, the relay turns
off. If all the CPU modules support the function, the relay
turns on. Note that the setting details in the direct change
setting cannot be checked with SM1616. To check the
direct change setting, check the CPU parameters.
S (Initial)
SM1617 Online module change
status flag
Off: Function not executed
On: Function being executed
This relay turns on when SM1600 is turned on to start the
online module change processing. The relay turns off upon
completion of the online module change processing.
S (Status change)