Mitsubishi Electric MELSEC-Q Series User Manual page 251

Number Name
PORT2 error frame
SB0150 detection (each
station)
Parameter error status
SB0170
(each station)
Reserved station
SB0180
function disable status
Stores if an error frame was received from power-on until the present at each station's PORT2.
OFF: An error frame has not been received at any stations
ON : An error frame has been received at one or more stations
If an error frame has been received, the status of each station can be checked by the PORT2
error frame detection (each station) (SW0150 to SW0157).
Depending on the timing of the link refresh, the update of PORT2 error frame detection (each
station) (SW0150 to SW0157) may be offset by one sequence scan.
(Condition)
• This is enabled when Baton pass status (own station) (SB0047) is off.
Stores the parameter status for each station.
OFF: No parameter errors for any stations
ON : Parameter error detected at one or more stations
If a parameter error occurs, the status of each station can be checked by the Parameter error
status (each station) (SW0170 to SW0177).
Depending on the timing of the link refresh, the update of Parameter error status (each station)
(SW0170 to SW0177) may be offset by one sequence scan.
(Conditions)
• This is enabled when Baton pass status (own station) (SB0047) is off.
• Reserved stations and stations higher than the maximum station No. are ignored.
This stores if a reserved station function is disabled.
OFF: No disabled reserved station function
ON : Disabled reserved station function found
If a reserved station function is disabled, the status of each station can be checked by the
Reserved station cancel setting status (SW0181 to SW0187).
Depending on the timing of the link refresh, the update of Reserved station cancel setting status
(SW0181 to SW0187) may be offset by one sequence scan.
(Condition)
• This is enabled when Baton pass status (own station) (SB0047) is off.
Appendix - 15
Description
Appendices