Station Authority Level "L,R - ABB RELION REX640 Technical Manual

1MRS759142 C
3.8.4
Table 53: Station authority level "L,R" using R/L button
L/R control
R/L button CTRL.LLN0.LocSta
Local
Remote
Off
1) Client IEC 61850 command originator category check is not performed.
Table 54: Station authority "L,R" using CONTROL function block
L/R control
Control FB input CTRL.LLN0.LocSta
CTRL_OFF
CTRL_LOC
CTRL_STA
CTRL_REM
CTRL_ALL
1) Client IEC 61850 command originator category check is not performed.
REX640
Technical Manual
IEC 61850 command originator category is always set by the IEC 61850 client. The
relay supports station and remote IEC 61850 command originator categories,
depending on the selected station authority level.

Station authority level "L,R"

Relay's default station authority level is "L,R". In this scenario only local or remote
control access is allowed. Control access with IEC 61850 command originator
category station is interpreted as remote access. There is no multilevel access.
REMOTE
IEC 61850 IEC 61850 IEC 61850
remote remote remote
IED
GUID-594C2A9E-34B9-46FC-9143-921D7FD32A2C V1 EN
Figure 38: Station authority is "L,R"
When station authority level "L,R" is used, control access can be selected using R/L
button or CONTROL function block. IEC 61850 data object CTRL.LLN0.LocSta and
CONTROL function block inputs CTRL_STA and CTRL_ALL are not applicable for
this station authority level.
L/R control status
CTRL.LLN0.MltLev
N/A FALSE
N/A FALSE
N/A FALSE
L/R control status
CTRL.LLN0.MltLev
N/A FALSE
N/A FALSE
N/A FALSE
N/A FALSE
N/A FALSE
LOCAL OFF
IEC 61850 IEC 61850 IEC 61850
remote remote remote
IED IED
L/R state
CTRL.LLN0.LocKeyHMI
1
2
0
L/R state
CTRL.LLN0.LocKeyHMI
0
1
0
2
0
Section 3
Basic functions
Control access
Local user
IEC 61850 client
x
Control access
Local user
IEC 61850 client
x
1)
x
1)
x
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