Special Relay (Sm); Special Register (Sd); Link Direct Device; Specification Method - Mitsubishi Electric MELSEC iQ-R-R00CPU User Manual

Special relay (SM)

This is the internal relay for which the specification is defined in the CPU module, where the status of the CPU module is
stored. ( Page 803 List of Special Relay Areas)

Special register (SD)

This is the internal register for which the specification is defined in the CPU module, where the status (diagnostics information,
system information, etc) of the CPU module is stored. ( Page 833 List of Special Register Areas)
21.5

Link Direct Device

This device directly accesses link relays and/or link registers of the network module in the CC-Link IE Controller Network and/
or CC-Link IE Field Network.

Specification method

Specify a link direct device as shown below: The link register 10 (W10) of the network number 2 can be specified as "J2\W10".
Specification method: J \
Device No.
• Input
• Output
• Link relay
• Link register
• Link special relay
• Link special register
Network No.1 to 239
For bit devices, digit specification is allowed. (Example: J1\K1X0, J10\K4B0)
From X0
From Y0
B0
From W0
From SB0
From SW0
21 DEVICES
349
21.5 Link Direct Device
21