APPENDICES
Appendix 1
The link special relay (SB) is turned on/off depending on various factors during data link. An error status of the data link can be
checked by monitoring it.
Application of the link special relay (SB)
By using the link special relay (SB), the status of CC-Link IE Field Network can be checked from HMI (Human Machine
Interfaces) as well as the engineering tool.
Ranges turned on/off by users and by the system
• Turned on/off by users: SB0000 to SB001F
• Turned on/off by the system: SB0020 to SB0FFF
APPX
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Appendix 1 List of Link Special Relay (SB) Areas
List of Link Special Relay (SB) Areas