Table 186: Station authority “L,R,L+R” using CONTROL function block
L/R Control L/R Control status Control access
Control FB input CTRL.LLN0.LocSta CTRL.LLN0.MltLev L/R state
CTRL.LLN0.LocKey
HMI
Local user IEC 61850 client
1
CTRL_OFF N/A FALSE 0
CTRL_LOC N/A FALSE 1 x
CTRL_STA N/A FALSE 0
CTRL_REM N/A FALSE 2 x
CTRL_ALL N/A TRUE 4 x x
3.17.11.6 Station authority level "L,S,R"
Station authority level "L,S,R" adds station control access. In this level IEC 61850
command originator category validation is performed to distinguish control
commands with IEC 61850 command originator category set to “Remote” or
“Station”. There is no multilevel access.
IED
IEC 61850
remote
IEC 61850
station
IEC 61850
remote
IEC 61850
remote
IEC 61850
remote
IED
IEC 61850
station
IED
IEC 61850
station
IED
IEC 61850
station
OFFLOCAL REMOTE STATION
Figure 99: Station authority is "L,S,R"
When the station authority level “L,S,R” is used, the control access can be
selected using R/L button or CONTROL function block. IEC 61850 data object
CTRL.LLN0.LocSta and CONTROL function block input CTRL_STA are applicable for
this station authority level.
Station control access can be reserved by using R/L button or CONTROL function
block together with IEC 61850 data object CTRL.LLN0.LocSta.
Basic functions
1MRS758755 C
168 REC615 & RER615
Technical Manual