Mitsubishi Electric NZ2GF-ETB, User Manual

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Appendix 2
Link Special Relay (SB) List
The link special relay (SB) is turned on or off depending on various factors generated during data link. The data link
error status can be confirmed by using it in the program.
Do not turn on or off any link special relay (SB) since the system uses all of the area. Doing so may result in malfunction of
the system.
Number Name Description
SB0047
Baton pass status of the
own station
The baton pass status of the own station (transient transmission can be performed) is stored.
OFF: Normal
ON: Abnormal
When an error occurs, the cause can be identified in Baton pass status of the own station
(SW0047) and Cause of baton pass interruption (SW0048).
SB004F
Operating station No.
status
Information on which values are used for operation, the network No. and station No. values set in
"CC-Link IE Field Network" of PLC Parameter or those set in the CC-Link IE Field Network
diagnostics, is stored.
OFF: Values set in "CC-Link IE Field Network" of PLC Parameter
ON: Values set in the CC-Link IE Field Network diagnostics
When no parameter is set for the Ethernet adapter module, this area is turned on.
SB006A
PORT1 linkup status
(own station)
The linkup status of PORT1 (own station) is stored.
OFF: Linkup
ON: Linkdown
The time between the power-on and linkup after the Ethernet cable is connected may vary. It
usually takes a few seconds. Note, however, that the time may be extended further if the linkup
process is repeated depending on the status of the device on the line.
SB006B
PORT2 linkup status
(own station)
The linkup status of PORT2 (own station) is stored.
OFF: Linkup
ON: Linkdown
The time between the power-on and linkup after the Ethernet cable is connected may vary. It
usually takes a few seconds. Note, however, that the time may be extended further if the linkup
process is repeated depending on the status of the device on the line.
SB007F IP address setting status
The status of whether the IP address was sent or not from the master station is stored.
OFF: Not received
ON: Received