Appendix 5 List Of Link Special Relay (Sb) Areas - Mitsubishi Electric MELSEC iQ-F FX5 User Manual
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- Programming manual (1112 pages) ,
- User manual (958 pages) ,
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Appendix 5
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 and monitoring it in the program.
Application of the link special relay (SB)
By using the link special relay (SB), the status of CC-Link system can be checked from HMI (Human Machine Interfaces) as
well as the engineering tool.
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 refreshed to the
devices or labels of the CPU module. (Page 65 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
List of link special relay (SB) areas
The following table lists the link special relay (SB) areas when they are assigned from SB0000 to SB01FF.
Do not turn on or off areas whose numbers are not on the following list or ranges turned on/off by the system.
Doing so may cause malfunction of the programmable controller system.
No.
Name
SB0000
Data link restart
SB0002
Data link stop
SB0004
Temporary error invalid
request
SB0005
Temporary error invalid
cancel request
SB0007
Master station
duplication error
cancel request
SB0008
Line test request
SB000B
Transmission speed
test request
APPX
144
Appendix 5 List of Link Special Relay (SB) Areas
List of Link Special Relay (SB) Areas
Description
Restarts the data link that has been stopped by SB0002.
Off: Not instructed
On: Instructed
Stops the data link of the own station.
Note that if this relay is instructed to the master station, the entire system
will stop.
Off: Not instructed
On: Instructed
Determines the stations specified by SW0003 to SW0005 as a temporary
error invalid station.
Off: Not requested
On: Requested
Cancels the temporary error invalid station setting configured for the
stations specified by SW0003 to SW0005.
Off: Not requested
On: Requested
Clears a master station duplication error.
Off: Not instructed
On: Instructed
Executes a line test to the station specified by SW0008.
Off: Not requested
On: Requested
Executes a transmission speed test.
Off: Not requested
On: Requested
Availability
(: Available, : Not available)
Online
Offline
Master
Intelligent
Station
device
station
*1
*1
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- Chapter 1 Description
- List of Error Codes
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