Appendix 3 List Of Link Special Relay (Sb) Areas - Mitsubishi Electric MELSEC iQ-R Series User Manual

Appendix 3
The link special relay (SB) is turned on/off depending on various factors during data link. Any error status of the data link can
be checked by using or monitoring it in the program.
Application of the link special relay (SB)
By using link special relay (SB), the status of MELSECNET/H Network can be checked from HMI (Human Machine Interfaces)
as well as the engineering tool.
Link refresh of the link special relay (SB)
To use the link special relay (SB), set them in "Link Refresh Settings" in "Basic Settings" so that they are link-refreshed to the
devices or labels of the CPU module. (Page 61 Link Refresh Settings)
Ranges turned on/off by users and by the system
The following ranges correspond to when the link special relay (SB) areas are assigned from SB0000 to SB01FF.
• Turned on/off by users: SB0000 to SB001F
• Turned on/off by the system: SB0020 to SB01FF
APPX
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Appendix 3 List of Link Special Relay (SB) Areas

List of Link Special Relay (SB) Areas