6
FUNCTIONS
6.28 Memory Check Function
6 - 207
1
Overview
2
Performance
Specification
3
Sequence Program
Configuration and
Execution Conditions
4
I/O Nunber Assignment
5
Memories and Files
Handled by CPU Module
6
Functions
7
Communication using
built-in Ethernet ports of
CPU module
8
Communication with
Intelligent Function
Module
(b) Instructions not available at an execution of memory check
If the following instructions are executed with setting memory check to be valid in
the PLC parameter dialog box, OPERATION ERROR (error code:4105)
occurs.
Note6.89
Note91
• PLOADP instruction
• PUNLOADP instruction
• PSWAPP instruction
(c) Valid condition of PLC parameter
If executing the following operations after writing the PLC parameter in the CPU
module, the executed or non-executed program memory check function will
become valid.
• Turn the PLC off to on
• Reset the CPU module
(d) Target memory
Only a program memory is checked with a program memory check function.
Device memory, standard RAM, standard ROM and memory card cannot be
checked.
(e) Program memory check when executing COM instruction
When executing COM instruction, a program memory is not checked.
Note91
Redundant
Note6.89
No PLOADP, PUNLOADP and PSWAPP instruction in a redundant CPU.
Note6.89
Redundant
To Next Page
Loading...
Need help?
General
