Mitsubishi Q00CPU, Руководство пользователя

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9
- 20 9.1 PLC Parameters
9.1.2 High Performance model QCPU, Process CPU, Redundant CPU, Universal model QCPU
9
PARAMETERS
(5) PLC RAS (2) Note9.1
Make the various settings for the RAS function in the Process CPU or Redundant
CPU.
his setting can be made only when the Redundant CPU or Process CPU is used.
POINT
When checking all areas of the program memory, follow the procedure below to
calculate the number of steps for the check target.
• Check free space in the program memory using the PC call-up screen in
GX Developer. To do that, first format the program memory so that the
memory has no file written in it. (
Section 5.1.2(3)(c)
)
• Use the following expression to obtain the number of steps for the check
target.
Figure 9.16 PLC RAS (2)
Table9.16 PLC RAS (2) list
Item Parameter No. Description Setting range Default value Reference
Memory
check
Check
Program
memory
3008
H
Set whether the user area of the
program memory (except the
system area) will be checked for
data corruption or not.
Do not make/Make program memory
check
Do not make
program memory
check
Section 6.28
When "Make program memory
check" is selected, set the
number of steps to be checked.
Q12PHCPU, Q12PRHCPU: 1 to 496
points (256 to 124k steps)
Q25PHCPU, Q25PRHCPU: 1 to 1008
points (256 to 252k steps)
1 256 steps
Process
Note9.1
=
4
Number of steps for check targets
All free space
Check the version of the CPU module and GX Developer before making the settings for memory-
checking using the Process CPU.
(
Appendix 4.3
)
Process
Note9.1