Mitsubishi Electric MELSEC SW1DNC-CCIEF-B User Manual page 198

Number Name
SB0128 PORT1 current error
frame reception
status (2)
SB0130 PORT2 current error
frame reception
status (1)
SB0131 PORT2 error frame
reception status
(master station)
SB0138 PORT2 current error
frame reception
status (2)
SB0140 PORT1 error frame
reception detection
status (1)
SB0141 PORT1 error frame
detection (master
station)
APPX
196
Appendix 3 Link Special Relay (SB) List
Description
Stores if a receive frame error line status warning level has occurred in each station's
PORT1.
• OFF: A receive frame error line status warning level has not yet been occurred in
any stations.
• ON: A receive frame error line status warning level has been occurred in one or
more stations.
If a receive frame error line status warning level has been occurred, the status of each
station can be checked by PORT1 current error frame reception status (each station)
(2) (SW0128 to SW012F).
Depending on the timing of the link refresh, the update of PORT1 current error frame
reception status (each station) (2) (SW0128 to SW012F) may be offset by one
sequence scan.
(Conditions)
This is enabled when the Baton pass status (own station) (SB0047) is OFF.
Stores if a receive frame error line status caution level has occurred in each station's
PORT2.
• OFF: A receive frame error line status caution level has not yet been occurred in
any stations.
• ON: A receive frame error line status caution level has been occurred in one or
more stations.
If a receive frame error line status caution level has been occurred, the status of each
station can be checked by PORT2 current error frame reception status (each station)
(1) (SW0130 to SW0137).
Depending on the timing of the link refresh, the update of PORT2 current error frame
reception status (each station) (1) (SW0130 to SW0137) may be offset by one
sequence scan.
(Conditions)
This is enabled when the Baton pass status (own station) (SB0047) is OFF.
Stores if an error frame is received at the master station's PORT2.
• OFF: An error frame has not yet been received
• ON: An error frame has been received
(Conditions)
This is enabled when the Baton pass status (own station) (SB0047) is OFF.
Stores if a receive frame error line status warning level has occurred in each station's
PORT2.
• OFF: A receive frame error line status warning level has not yet been occurred in
any stations.
• ON: A receive frame error line status warning level has been occurred in one or
more stations.
If a receive frame error line status warning level has been occurred, the status of each
station can be checked by PORT2 current error frame reception status (each station)
(2) (SW0138 to SW013F).
Depending on the timing of the link refresh, the update of PORT2 current error frame
reception status (each station) (2) (SW0138 to SW013F) may be offset by one
sequence scan.
(Conditions)
This is enabled when the Baton pass status (own station) (SB0047) is OFF.
Stores if a receive frame error line status caution level has occurred in each station's
PORT1 from power-on until the present.
• OFF: A receive frame error line status caution level has not yet been occurred in
any stations.
• ON: A receive frame error line status caution level has been occurred in one or
more stations.
If a receive frame error line status caution level has been occurred, the status of each
station can be checked by PORT1 error frame reception detection status (1) (SW0140
to SW0147).
Depending on the timing of the link refresh, the update of PORT1 error frame
reception detection status (1) (SW0140 to SW0147) may be offset by one sequence
scan.
(Conditions)
This is enabled when the Baton pass status (own station) (SB0047) is OFF.
Stores if an error frame is received from power-on until the present at the master
station's PORT1.
• OFF: An error frame has not yet been received
• ON: An error frame has been received at least once
(Conditions)
This is enabled when the Baton pass status (own station) (SB0047) is OFF.
Availability
Master Local
station station
 
 
 
 
 
 