Mitsubishi Electric M800VW Series Programming Manual page 485

M800V/M80V Series PLC Programming Manual (1/2)
11 Parameters
11.3 Other Parameters
(Example) On M80VW Series: with the 64K step (256K byte) program size and the 2M byte data storage area
When the project ratio is set as shown in the above screen shot, the program size and the data storage area size that can
be used for each project will be as follows:
Project ratio
Program size
Device comment size
(*1) The number of projects that can be used at each machine is determined and the setting value cannot exceed this num-
ber limit. It will be the setting error.
(*2) The project ratio cannot be set with the smaller size than the currently stored sequence program and data. It will be the
setting error.
When the change is necessary, make a backup with GX Developer or the built-in PLC (built-in edit function), then format
once.
(*3) Turning OFF all the projects is not possible. It will be the setting error. At least one project has to be ON.
(*4) The setting of the number cannot overlap with each project. It will be the setting error.
When rebooting CNC, PLC cannot operate RUN if there are mismatches between the above parameter setting and the stored
projects. The list of cause for not being able to operate RUN is shown below.
List of cause: inability to operate RUN
Cause
Increasing the maximum num-
ber of project
IB-1501667-B
Project 1
50% 30%
32K step 19660 step
(128K byte) (78640 byte)
1048580 byte (50%) 629144 byte (30%)
Error details
Store the sequence programs corresponding to the increased
U01 No user ladder
projects.
Project 2 Project 3
20%
13104 step
(52416 byte)
419428 byte (20%)
Remedy
464