Mitsubishi Electric Q06HCPU - SRAM Card Battery Replacement Procedure

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CHAPTER 13 MAINTENANCE AND INSPECTION
13
13.3 Replacement Procedure of the Battery 13.3.2 SRAM card battery replacement procedure
13.3.2 SRAM card battery replacement procedure
Replace the SRAM card battery in the following procedure.
(1) Replacing Q2MEM-1MBS and Q2MEM-2MBS
Bit 1 and bit 2 are OFF.
Replacing battery
Open the front cover while the
programmable controller power
supply is on.
Remove the battery holder
from the SRAM card.
Remove the old battery from its
holder.
Insert a new battery into the
holder in the correct direction.
Check that the battery holder
fixing switch is set to the LOCK
position.
With a flat-blade screwdriver, etc.,
remove the battery holder locking
switch from the LOCK position.
Completed
OFF
ON
Bit 1 and bit 2 are ON.
Deeply insert the SRAM card
into the battery holder.
Battery holder
fixing switch
Flat blade
screwdriver
Release
direction
Battery holder
Battery holder
Used battery
New battery
Put + toward you.
Backup the program and the
data.
Failure of SRAM card battery
* The battery holder fixing switch is
automatically set to the "LOCK" position
when the battery holder is removed. In its
position, insert the battery holder to the
end.
Lock
direction
Battery holder
fixing switch*
Clears the error.
Monitor
SD52 to check if bit 1 and bit
2 are ON.
Monitor
SM52 to verify on/off.
CPU
module
CPU
module
CPU
module
CPU
module
Page 410, Appendix 1.10