Mitsubishi Electric MELSEC iQ-RJ71EN71 User Manual page 303

No. Name
SB006F PORT2 error frame reception
detection status of own station
(latch) (1)
SB0070 Master station information
SB0071 Submaster station information
SB0072 Scan mode setting information
SB0074 Reserved station specification
status
SB0075 Error invalid station setting status
SB0076 Submaster station setting
information
SB0077 Parameter reception status
SB0078 Network topology setting
SB0079 Master station return setting
information
SB007B Input data status of data link faulty
station
SB007C Line type setting status
SB007D Hold/clear status setting for CPU
STOP
Description
Stores if a receive frame error line status caution level has occurred
in the P2 side of the own station from power-on until the present.
Off: A receive frame error line status caution level has not yet
occurred.
On: A receive frame error line status caution level has occurred.
Stores the data link status when the submaster function is being
used.
Off: Data link by the master station
On: Data link by the submaster station
Stores whether a submaster station exists.
Off: No submaster station
On: Submaster station exists
Stores the setting status of link scan mode.
Off: Asynchronous with sequence scan or constant link scan
On: Synchronous with sequence scan
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
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
Stores whether a submaster station is set.
Off: No setting
On: Set
Stores the status of parameter reception from the master station.
Off: Reception completed
On: Reception not completed
Stores the setting status of "Network Topology" in "Basic Settings"
for the own station (master operating station).
Off: Line topology, star topology, or coexistence of star and line
topologies
On: Ring topology
Stores the setting status of the "Operation of Master Station after
Reconnection" in "Basic Settings" for the own station (master
station).
Off: Return as master operating station
On: Return as submaster operating station
Stores the setting status of "Data Link Error Station Setting" under
"I/O Maintenance Settings" in "Supplementary Cyclic Settings" of
"Application Settings" for the own station.
Off: Clear
On: Hold
Stores the setting status of line types when the redundant system
was configured.
Off: Redundant master station or redundant slave station
On: Line redundant
The relay is turned off for the configuration other than the redundant
system.
Stores the setting status of "Output Hold/Clear Setting during CPU
STOP" under "I/O Maintenance Settings" in "Supplementary Cyclic
Settings" of "Application Settings" for the own station.
Off: Hold
On: Clear
Availability
Master station
(submaster
station)







 (Submaster
station only)
 (Master
operating station
only)
 (Master
station only)

 (Master
*2
station only)

Appendix 4 List of Link Special Relay (SB)
Local station







A






APPX
301