System Memory - Mitsubishi MELSEC-Q Series User Manual

7
MEMORIES AND FILES HANDLED BY C CONTROLLER
MODULE
(4) Memory capacities and necessity of formatting

7.1.2 System memory

The system memory stores the C Controller module's OS (operating system), system
software, VxWorks image files (
The system memory is controlled by the following drive name.
System memory built in C Controller module
Remark
7
- 3 7.1 Memory of C Controller Module
7.1.2 System memory
The following shows capacities of memories used for the C Controller module and
whether formatting is necessary or not.
Table7.3 Memory capacities and necessity of formatting
Memory name
Standard ROM
Work RAM
Battery-backed-up RAM
CompactFlash card
* 1 When the C Controller module has returned to the default setting in the hardware self-diagnosis
mode, format the standard ROM as necessary. (
* 2 For formatting of the CompactFlash card, refer to the manual of the CompactFlash card used.
Memory name
POINT
When debugging the user program using Tornado, make sure that the VxWorks
image files in the system memory of the C Controller module are identical with
those in the development environment (personal computer). (
10.2.2, 10.2.6 (1)(b))
The system memory data (file) are used by the system of the C Controller module.
It need not be used (or referred to) in the user program.
Memory capacity
6M bytes
32M bytes
128k bytes
Depends on the capacity of the
CompactFlash card installed.
Section 10.2.6), etc.
Table7.4 System memory and drive name
Formatting
Not necessary
Not necessary
Section 5.10)
Drive name Remarks
/SYSTEMROM Read only
Section
*1
*2