Mitsubishi Electric MELSEC SW1DNC-CCIEF-B User Manual page 193

Number Name
SB005C Reserved station
function disable
request accept
status
SB005D Reserved station
function disable
completion status
SB005E Reserved station
specification enable
request accept
status
SB005F Reserved station
specification enabled
status
SB0060 Constant link scan
status
SB0061 Event history clear
acceptance status
SB0062 Event history clear
completion status
SB0065 Loopback status
SB006A PORT1 linkup status
(own station)
SB006B PORT2 linkup status
(own station)
SB006C PORT1 error frame
reception status
(own station) (1)
SB006D PORT2 error frame
reception status
(own station) (1)
SB006E PORT1 error frame
reception detection
status (own station)
(latch) (1)
SB006F PORT2 error frame
reception detection
status (own station)
(latch) (1)
Description
Turns ON when the Reserved station function disable request (SB0012) is accepted.
• OFF: Not accepted
• ON: Cancel accepted
Turns ON when the Reserved station function disable request accept status (SB005C)
is turned ON and disabling the reserved station function is completed.
• OFF: Not completed
• ON: Completed or error completion
Turns ON when the Reserved station specification enable request (SB0013) is
accepted.
• OFF: Not accepted
• ON: Enable accepted
Turns ON when the 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
Stores the constant link scan status.
• OFF: Constant link scan is disabled
• ON: Constant link scan is enabled
(Conditions)
This is enabled when the Data link status (own station) (SB0049) is OFF.
Turns ON when Event count clear (SB0009) is accepted.
• OFF: Not performed (SB0009 is OFF.)
• ON: Direction accepted (SB0009 is ON.)
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.)
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.)
(Conditions)
This relay is valid while Loopback function setting status (SB0078) is ON.
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.
Stores the linkup status of PORT2 (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.
Stores if a receive frame error line status caution level has occurred in the own
station's PORT1.
• OFF: A receive frame error line status caution level has not yet been occurred.
• ON: A receive frame error line status caution level has been occurred.
Stores if a receive frame error line status caution level has occurred in the own
station's PORT2.
• OFF: A receive frame error line status caution level has not yet been occurred.
• ON: A receive frame error line status caution level has been occurred.
Stores if a receive frame error line status caution level has occurred in the own
station's PORT1 from power-on until the present.
• OFF: A receive frame error line status caution level has not yet been occurred.
• ON: A receive frame error line status caution level has been occurred.
Stores if a receive frame error line status caution level has occurred in the own
station's PORT2 from power-on until the present.
• OFF: A receive frame error line status caution level has not yet been occurred.
• ON: A receive frame error line status caution level has been occurred.
Availability
Master
station
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Appendix 3 Link Special Relay (SB) List
Local
station
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A
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APPX
191