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7.1 Memory Card
7.1.5 Memory Card Loading/Unloading Procedures
7
MEMORY CARD AND BATTERY
(3) To remove the memory card during power ON
When removing the memory card, confirm that special relays "SM604" and "SM605"
are OFF.
• Because the CPU module is using the memory card while "SM604" is ON, the
memory card cannot be removed.
• When "SM605" is ON, turn it OFF.
If both "SM604" and "SM605" are OFF, remove the memory card using the following
procedure:
1) Turn on the special relay "SM609" using the sequence program or by the
device test of GX Developer.
2) By monitoring GX Developer, check that the special relay "SM600" is turned
off.
3) Remove the memory card.
SM600 (Memory card usable flag) : The system is turned ON
when memory card is ready
for use by user.
SM604 (memory card use flag) : The system is turned ON
when the CPU module is
using the memory card.
SM605 (memory card detach inhibit flag) : Turned ON by the user to
disable the memory card from
being detached.
(4) To install the memory card while the power is turned on
1) Install the memory card.
2) By monitoring GX Developer etc., check that the special relay "SM600" is
turned on.
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