Mitsubishi Electric IQSS-R-E Reference Manual page 268

For details on special relays (SM) and special registers (SD) to be used and their setting ranges, refer to the
following section.
Page 355 Special Relay (SM)/Special Register (SD) List
■Sample program
9 CC-Link IE Field Network
266
9.4 Backing up/Restoring Data of Devices Supporting iQSS