Mitsubishi Electric MELSEC SW1DNC-CCIEF-B User Manual page 194

Number Name
SB0072 Scan mode setting
information
SB0074 Reserved station
specification status
SB0075 Error invalid station
setting status
SB0077 Parameter reception
status
SB0078 Loopback function
setting status
SB007A Event history status
SB007B Input data status of
data link faulty
station
SB007D Hold/clear status
setting for CPU
STOP
SB008C PORT1 error frame
reception status
(own station) (2)
SB008D PORT2 error frame
reception status
(own station) (2)
SB008E PORT1 error frame
reception detection
status (own station)
(latch) (2)
SB008F PORT2 error frame
reception detection
status (own station)
(latch) (2)
SB0090 Hardware test
completion status
SB0091 Hardware test
normal/abnormal
end
SB0092 Self-loopback test
completion status
APPX
192
Appendix 3 Link Special Relay (SB) List
Description
Stores the scan mode setting status.
• OFF: Asynchronous mode
• ON: Synchronous mode
Stores the reserved station specification status due to parameters. The station
number set for a reserved station can be checked by Reserved station specification
(SW00C0 to SW00C7).
• OFF: Not specified
• ON: Specified
Stores the Error invalid station setting status due to parameters. The station number
set for the error invalid station can be checked by Error invalid station setting
(SW00D0 to SW00D7).
• OFF: Not specified
• ON: Specified
Stores the parameter reception status from the master station.
• OFF: Reception completed
• ON: Reception not completed
Stores the setting status of the loopback function configured by the parameter
• OFF: Not used
• ON: Used
Stores the network event history occurrence.
• OFF: No event history
• ON: Event history found
If the event history is found, the cumulative number of network event history can be
checked by the Event count (SW007A).
Depending on the timing of the link refresh, the update of Event count (SW007A) may
be offset by one sequence scan.
This area is cleared when Event count clear (SB0009) is turned ON.
Stores the own station's setting status for "Data Link Faulty Station Setting".
• OFF: OFF or cleared to 0
• ON: Hold
Stores the own station's setting status for "Output Setting during CPU STOP".
• OFF: Hold
• ON: Clear (ALL OFF)
Stores if a receive frame error line status warning level has occurred in the own
station's PORT1.
• OFF: A receive frame error line status warning level has not yet been occurred.
• ON: A receive frame error line status warning level has been occurred.
Stores if a receive frame error line status warning level has occurred in the own
station's PORT2.
• OFF: A receive frame error line status warning level has not yet been occurred.
• ON: A receive frame error line status warning level has been occurred.
Stores if a receive frame error line status warning level has occurred in the own
station's PORT1 from power-on until the present.
• OFF: A receive frame error line status warning level has not yet been occurred.
• ON: A receive frame error line status warning level has been occurred.
Stores if a receive frame error line status warning level has occurred in the own
station's PORT2 from power-on until the present.
• OFF: A receive frame error line status warning level has not yet been occurred.
• ON: A receive frame error line status warning level has been occurred.
Stores the hardware test completion status.
• OFF: Not executed or execution in progress
• ON: Completed
If completed, the completion status can be checked by Hardware test normal/
abnormal end (SB0091).
Stores the hardware test normal completion or abnormal completion status.
• OFF: Normal completion
• ON: Abnormal completion
(Conditions)
This is enabled when Hardware test completion status (SB0090) is ON.
Stores the self-loopback test completion status.
• OFF: Not executed or execution in progress
• ON: Completed
If completed, the completion status can be checked by Self-loopback test normal/
abnormal end (SB0093).
Availability
Master Local
station station
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