Mitsubishi Electric MELSEC iQ-R-R00CPU User Manual page 397

9.
Write the set parameter to the CPU module, and then power off and on, or reset the CPU module.
10.
When the uninitialized error is displayed, use the engineering tool to initialize the battery-less option cassette. After the
initialization, power off and on, or reset the CPU module.
[Online]  [CPU Memory Operation]
Select "Device/Label Memory" on the "Memory Management" window, and click the [Initialization] button.
If the battery-less option cassette is initialized during execution of the latch with the battery-less option
cassette, only the files in the file storage area in the device/label memory are deleted.
11.
Monitor SM625 (Battery-less function execution flag) and check that it is on.
Clearing procedure
Remove/insert a battery-less option cassette / a battery while the programmable controller is powered off.
1.
Read the data on the device/label memory from the CPU module, and save it in advance using the engineering tool in
advance. (When the battery-less option cassette is removed, all of the data on the device/label memory are erased.)
2.
Power off the programmable controller.
3.
Remove the CPU module from the base unit.
4.
Remove the battery-less option cassette from the CPU module.
(1)
(2)
5.
Install a battery to the CPU module.
6.
Mount the CPU module on the base unit.
7.
Power on the programmable controller.
8.
Set "Not Mounted" for "Battery-less Option Cassette Setting" in "CPU Parameter" with the engineering tool.
[CPU Parameter]  [Memory/Device Setting]  [Device/Label Memory Area Setting]  [Cassette Setting]  [Battery-
less Option Cassette Setting]
9.
Set "Battery Error" of "CPU Parameter" to "Detect".
[CPU Parameter]  [RAS Setting]  [Error Detections Setting]  [Battery Error]
10.
Write the CPU parameter to the CPU module, and then power off and on, or reset the CPU module.
Open the cassette cover (1) located on the side of the CPU module.
Hold the top and bottom of protruded part of the battery-less option cassette
and pull it straight, taking care not to tilt it.
Close the cassette cover (1).
23 LATCH FUNCTION
23.2 Latch with Battery-less Option Cassette
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