Mitsubishi 13J851, Руководство пользователя

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55
POINT
•
When conducting latch clear whether latch clear for each device is
valid/invalid can be set using the parameter mode device setting.
•
In addition to the key switch method, latch clear can be conducted using a
remote latch clear conducted by the GPPQ. (Refer to the Q4ARCPU
User’s Manual (Details).)
(3) When removing the memory card when the PLC power supply is on
When removing a memory card when the power supply is on conduct the
following memory card insert/removal procedure.
(a) Insert/removal switch
: On
Insert/removal switch internal LED : On ..... Memory card removal
prohibited status
(b) Insert/removal switch : Off
Insert/removal switch internal LED : Off ..... Removing the memory
card possible status
(conduct memory card
removal)
POINT
•
The insert/removal switch internal LED does sometimes not turn off when
the memory card is in use by a CPU module system function (sampling
trace, status latch) or program. In this case, suspend the function or
program that is using the memory card. After suspension, check that the
insert/removal switch internal LED has turned off and then remove the
memory card.
•
After removing the memory card do not turn the memory card
insert/removal switch on. If turned to on an error will occur.
•
When there are parameter-set file registers, local devices or failure
history, the memory card cannot be the removed.
If the "memory card in/out" switch is turned OFF, the in/out switch built-in
LED does not go off.
For the file registers, the memory card can be removed when they are set
to be unused with the QDRSET(P) instruction.
(4) When installing a memory card while the PLC power supply is turned on
When installing a memory card while the PLC power supply is turned on
conduct the following memory card insert/removal switch procedure.
(a) Memory card installation
(b) Insert/removal switch
: On
Insert/removal switch internal LED : On ..... Memory card removal
prohibit status