Buffer Memory - Mitsubishi Electric MELSEC iQ-R Series User Manual

Buffer memory

The following table lists the differences in buffer memory between the QJ71DN91 and the RJ71DN91.
Address Address
(decimal) (hexadecimal)
1152 0480H
1153 0481H
1154 to 0482H to 04C1H
1217
1584 0630H
1586 0632H
1587 0633H
1588 0634H
APPX
122
Appendix 7 Differences between QJ71DN91 and RJ71DN91
QJ71DN91
Name Description
Not available
Not available
Not available
Parameter save Selects the parameter area saved to
area selection bit the flash ROM.
Operation setting for Sets whether to reset the CAN chip
bus off error area (communication chip) of the
QJ71DN91 and restart the
communication when a bus off error
occurs.
Data consistency Sets whether to enable or disable
dedicated the data consistency dedicated
instruction setting instruction.
area
Data consistency Stores the enabled/disabled state of
dedicated the data consistency dedicated
instruction setting instruction.
status area
RJ71DN91
Name Description
Master function Stores the communication error
communication error code occurred on the own node.
information It is valid only when the own node
uses the master function.
Slave function Stores the communication error
communication error code occurred on the own node.
information It is valid only when the own node
uses the slave function.
Other slave Stores the communication error
communication error code occurred on each slave node.
information It is valid only when the own node
uses the master function.
Parameter save/ Selects whether to save or clear the
clear selection bit parameter with 'Request for saving/
clearing parameters to Flash ROM'
(Y17).
Operation setting for Sets whether to reset the CAN chip
bus off error area (communication chip) of the
RJ71DN91 and restart the
communication when a bus off error
occurs.
The communication can be restarted
even when a value is changed after
a bus off error occurs.
Data consistency Sets whether to enable or disable
setting data consistency for refresh or the
data consistency dedicated
instruction.
Data consistency Stores the enabled/disabled state of
setting status data consistency for refresh or the
data consistency dedicated
instruction.