Mitsubishi Melsec-Q Series User Manual page 287

(From previous page)
Install the Q8BAT connection cover
to the CPU module.
Install the CPU module into the
base unit.
Connect the Q8BAT connection cable
to the Q8BAT.
Install the Q8BAT to the control panel.
*2 (Fixing with a mounting screw or
fixing with the DIN rail are available.)
1)
Fix the Q8BAT connection cable to the
control panel. *3
Turn on the programmable controller
power supply.
Monitor
SM51 to verify
on/off.
ON
Monitor
SD52 to check if bit 0 is
ON.
Bit 0 is on.
Failure of Q8BAT
2)
*2: For the module mounting position, refer to the following .
Section 10.3.2
*3: Clamp the Q8BAT connection cable. If not being clamped, the Q8BAT connection cover, connector, and cable, may be
damaged by a loose cable connection, shifting, or pulling due to carelessness, etc.
*4: Secure 10mm or more as the minimum cable bend radius.
If it is less than 10mm, malfunction may occur due to characteristic deterioration, open cable or the like.
CPU module
OFF
Bit 0 is OFF.
Figure 11.5 Replacement procedure for the Q8BAT battery
CHAPTER11 MAINTENANCE AND INSPECTION
Q8BAT connection cover
Q8BAT connection cable
R (bending radius) *
10mm (0.39 inch) or more
Q8BAT
connection cable
Completed
11
Control panel
Q8BAT
4
Q8BAT
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