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479
APPENDICES
A
Appendix
3
Link Spec
ial
Relay (SB
) Li
st
SB005E
Reserved station
specification enable
request accept status
Turns on when Reserved station specification enable request (SB0013)
is accepted.
OFF: Not accepted
ON: Enable accepted
(Master
operating
station only)
×
SB005F
Reserved station
specification enabled
status
Turns on when Reserved station specification enable request accept
status (SB005E) is turned on and the reserved station specification
enable processing is completed.
OFF: Not completed
ON: Completed or error completion
(Master
operating
station only)
×
SB0060
Constant link scan
status
Stores the constant link scan status.
OFF: Constant link scan is disabled
ON: Constant link scan is enabled
(Condition)
• This is enabled when Data link status (own station) (SB0049) is off.
SB0061
Event history clear
acceptance status
Turns on when Event count clear (SB0009) is accepted.
OFF: Not performed (SB0009 is off.)
ON: Direction accepted (SB0009 is on.)
SB0062
Event history clear
completion status
Turns on when Event history clear acceptance status (SB0061) turns on
and the number of events is cleared.
OFF: Not performed (SB0009 is off.)
ON: Completed (SB0009 is on.)
SB0065
Loopback status
Stores loopback execution status. The loopback station numbers can be
checked by Loopback station number 1 (SW0070) and Loopback station
number 2 (SW0071).
OFF: Normal (no loopback stations)
ON: Error (loopback being performed)
(Loopback stations exist.)
(Condition)
• This is enabled when Baton pass status (own station) (SB0047) is off
and Loopback function setting status (SB0078) is on.
(Master
operating
station only)
×
SB0066
Forced master switch
enable status
Stores if Forced master switch command (SB0019) can be executed.
OFF: Execution disabled
ON: Execution enabled
(Submaster
station only)
×
SB0067
Forced master switch
acceptance status
Turns on when Forced master switch command (SB0019) is accepted.
OFF: Not accepted (SB0019 is off.)
ON: Accepted (SB0019 is on.)
(Submaster
station only)
×
SB0068
Forced master switch
operation status
Turns on when Forced master switch acceptance status (SB0067) turns
on and the forced master switch is completed.
OFF: Not completed (SB0019 is off.)
ON: Completion or abnormal end (SB0019 is on.)
(Submaster
station only)
×
SB006A
PORT1 linkup status
(own station)
Stores the linkup status of PORT1 (own station).
OFF: Linkup in progress
ON: Linkdown in progress
The time that the linkup starts after power-on or Ethernet cable
connection may vary. Normally, it takes a few seconds.
Depending on device status on the line, a linkup process is repeated,
resulting in the increase in the time.
Number
Name
Description
Availability
Master
station
(submaster
station)
Local
station