Appendix 3 Buffer Memory; List Of Buffer Memory Addresses - Mitsubishi Electric MELSEC iQ-RX40NC6B Application User's Manual

Appendix 3

List of buffer memory addresses

The following tables list the buffer memory addresses of the I/O module with diagnostic functions. For details on the buffer
memory addresses, refer to the following.
Page 90 Details of buffer memory addresses
The buffer memory areas of the I/O module with diagnostic functions are classified into the following data types.
Data type Description
Setting data Description
Read/Write attribute
Setting method
Setting timing
Control data Description
Read/Write attribute
Setting method
Setting timing
Monitor data Description
Read/Write attribute
Setting method
Setting timing
Among the buffer memory areas, do not write data in the system areas or the areas whose data types are
monitor data. Writing data into these areas can cause a malfunction of the module.
Buffer Memory
Set this data according to connected devices and the system applications.
Data can be read/written from/to this area.
Set this data using the engineering tool or a program.
After the change of a value, the set value is enabled by turning on and off 'Operating condition
setting request' (Y12).
Use this data to control the I/O module with diagnostic functions.
Data can be read/written from/to this area.
Set this data using the engineering tool or a program.
A set value is enabled as soon as the value is changed.
Use this data to monitor the status of the I/O module with diagnostic functions.
Reading data is only allowed. Writing data is not allowed.
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APPX

Appendix 3 Buffer Memory

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