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APPX
Appendix 4 List of Link Special Relay (SB)
SB0074 Reserved station
specification status
Stores the status of reserved station specification by parameter. The
station number of the station set as a reserved station can be
checked with 'Reserved station setting status' (SW00C0 to
SW00C7).
Off: Not specified
On: Specified
*1
SB0075 Error invalid station setting
status
Stores the status of error invalid station setting by parameter. The
station number of the station set as an error invalid station can be
checked with 'Error invalid station setting status' (SW00D0 to
SW00D7).
Off: Not specified
On: Specified
*1
SB0077 Parameter reception status Stores the status of parameter reception from the master station.
Off: Reception complete
On: Reception not completed
SB007B Input data status of data link
faulty station
Stores the setting status of "Data link faulty station setting" of the
own station.
Off: Clear
On: Hold
SB007D Hold/clear status setting for
CPU STOP
Stores the setting status of "Output Hold/Clear Setting during CPU
STOP" of the own station.
Off: Hold
On: Clear
SB007E Type of IP Address Stores the type of IP address.
Off: IPv4
On: IPv6
SB007F IP address setting status Stores the status of the IP address setting by parameter.
Off: No setting
On: Set
For local stations, this relay stores the acceptance status of the IP
address from the master station.
SB00B0 Data link error status of each
station
Stores the data link status of each station.
Off: All stations normal
On: Faulty station exists
When this relay is turned on, the status of each station can be
checked with 'Data link status of each station' (SW00B0 to
SW00B7).
Depending on the link refresh timing, the update of 'Data link status
of each station' (SW00B0 to SW00B7) may be offset by one
sequence scan.
Since a local station cannot obtain the station information of the CC-
Link IE TSN Class A remote station when communicating in
multicast mode, "0: Data link normally operating station" is reflected
to the CC-Link IE TSN Class A remote station.
(Conditions)
Reserved stations and stations that surpass the maximum station
number are ignored.
*1
SB00B1 Data link error status of
master station
Stores the data link status of the master station.
Off: Normal
On: Error
*1
SB00C0 Reserved station setting
status
Stores whether a reserved station is set.
Off: No setting
On: Set
When this relay is turned on, the status of each station can be
checked with 'Reserved station setting status' (SW00C0 to
SW00C7).
Depending on the refresh timing, the update of 'Reserved station
setting status' (SW00C0 to SW00C7) may be offset by one
sequence scan.
*1
No. Name Description Availability
Master
station
Local station
Unicast
mode
Multicast
mode
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