Initializing Plc Data Storage Area; Operation Procedure - Mitsubishi Electric M800VW Series Manual

M800V/M80V Series PLC Development Manual
5 Peripheral Development Environment (GX Works2)
5.13 Corrective Actions to Resolve Errors

5.13.3 Initializing PLC Data Storage Area

Initialize temporary storage of the CNC controller and redo from the beginning if any of the following conditions applies.
This initialization operation does not initialize the ROM in the CNC. To retain redone status after the power OFF, it needs to be
stored in the ROM in the CNC.
 When an error is generated during write to the CNC controller
 When return is not possible even after remedy for the error is performed
 When stored data are erased at once
Initialization operation initializes the following area and data.
For details on PLC data storage area, see "5.5.3 PLC Data Storage Area".
Target data
Sequence programs Program memory/device memory
Parameters
PLC messages Program memory/device memory
Device comments Memory card (RAM)
Symbolic information (*1)
(*1) Files written to CNC when simple projects (with labels) or structured projects are used.

5.13.3.1 Operation Procedure

(1) Start the operation screen by the following operation on GX Works2.
[Online] -> [PLC Memory Operation] -> [Format PLC Memory]
(2) Click [Execute] on the following screen.
Note
 [Program Memory/Device Memory] is the only valid option for [Target Memory].
[Format Type] does not must be set.
(3) The operation is completed when the following dialog appears. Click [OK].
The data stored in the area selected in Target Memory are all deleted and initialized.
IB-1501614-B
Target memory
Sequence program storage area/Temporary storage (RAM in CNC)
Data storage area/Storage area (ROM in CNC)
234
Target area