Operation Settings; Stop Setting - Mitsubishi Electric MELSEC iQ-R-R00CPU User Manual

Output to output/intelligent function module
On/off data cannot be output to non-controlled modules. When turning on or off output of the output module and/or intelligent
function module controlled by other CPU modules by the program or others, the output is turned on or off within the CPU
module. However, it is not output to output/intelligent function module.
Accessing buffer memory of intelligent function module
■Reading data on buffer memory
The following instructions can be used to read data stored in the buffer memory of the intelligent function module.
• FROM instruction
• Instruction using the CPU module access device (Un\Gn)
■Writing data to buffer memory
The following instructions cannot be used to write data to the buffer memory of the intelligent function module.
• TO instruction
• Instruction using the CPU module access device (Un\Gn)
Accessing a module by using link direct devices
The CPU module can access only to modules under its control by using link direct devices. Non-controlled modules cannot be
accessed.
16.2

Operation Settings

This section describes the operation settings of the multiple CPU system function.

Stop setting

An operating status, whether to stop the operation of all the CPU modules or not, if a major or moderate error occurs in any of
the CPU modules is set.
[System Parameter]  [Multiple CPU Setting]  [Operation Mode Setting]  [Stop Setting]
Window
Displayed items
Item Description
PLC No. 1 Set whether to stop the operation of all the CPU modules or not
if a major or moderate error occurs in CPU No.1.
PLC No. 2 Set whether to stop the operation of all the CPU modules or not
if a major or moderate error occurs in CPU No.2.
PLC No. 3 Set whether to stop the operation of all the CPU modules or not
if a major or moderate error occurs in CPU No.3.
PLC No. 4 Set whether to stop the operation of all the CPU modules or not
if a major or moderate error occurs in CPU No.4.
Setting range
• Major: All Station Stop, Moderate:
All Station Stop
• Major: All Station Stop, Moderate:
All Station Continue
• Major: All Station Continue,
Moderate: All Station Continue
16 MULTIPLE CPU SYSTEM FUNCTION
Default
Major: All Station Stop, Moderate: All
Station Stop
16.2 Operation Settings
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