: The system is turned on when memory card is ready for use by user.
: The system is turned on when the CPU module uses a memory card.
: This is turned on by the user to disable the memory card from being detached.

7 MEMORY CARD AND BATTERY

7.5Memory Card Loading/Unloading Procedures

(1)To install the memory card

MELSEC-Q

Install the memory card into the CPU module, while paying attention to the orientation of the memory card. Insert the memory card securely into the connector until the height of the memory card reaches that of the memory card EJECT button.

 

 

Memory card EJECT button

CPU

 

 

 

 

 

Memory card

 

 

 

 

 

module

 

Insert it in this

 

"Precautions"

 

 

 

 

 

on this side

 

 

 

 

direction.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(2) To remove the memory card

To remove the memory card from the CPU module, press the memory card

EJECT button to push out the card.

Memory card EJECT button

Push

CPU

Memory card

module

 

Remove the card in this direction.

(3) To extract the memory card while the power is turned on

Before removing the memory card, make sure that the special relays "SM604", "SM605" are OFF.

•When "SM604" is ON, the memory card cannot be removed since the CPU module is using the memory card.

•When "SM605" is ON, turn it OFF.

When "SM604" and "SM605" are OFF, remove the memory card in the following procedure.

1)Turn on the special relay "SM609" using the sequence program or by the device test of GX Developer etc.

2)By monitoring GX Developer etc., check that the special relays "SM600" is turned off.

3)Extract the memory card.

SM600 (Memory card usable flag)

SM604 (memory card use flag)

SM605 (memory card detach inhibit flag)

(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 relays "SM600" is turned on.

POINTS

Install and remove the memory card while the power is turned on, paying attention to the following.

(1)If the procedures specified above are not followed, the data stored in the memory card may be destroyed.

When the CPU module operation at the time of occurrence of a parameter error is set to STOP, the CPU module operation is stopped by the occurrence of "ICM.OPE.ERROR."

(2)When the memory card is installed, its mount processing is performed again. As a result, the scanning time is increased by several 10 ms max.

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