ABB RELION 650 SERIES, Technical Manual

Page: 402 / 942

parameter CtlModel defines which one of the two control models is used. The
control model "direct with normal security" does not require a select whereas, the
"SBO with enhanced security" command model requires a select before execution.
The command sequence for a command with control mode SBO with enhanced
security is shown in figure
195 , with control mode direct with normal security is
shown in figure 196 .
Client
Reservation
logic
SCSWI SXCBR
RES_GRT = TRUE
EXE_CL
operateAck/AddCause = 0
SEL_CL = TRUE
SELECTED = TRUE
selectAck/AddCause = 0
POSITION = 00, timeStamp
POSITION = 10, timeStamp
cmdTermination/AddCause = 0
RES_GRT = FALSE
operateAck/AddCause = 0
requestedPosition = 10
opRcvd = TRUE
opOK = TRUE, tOpOk
POSITION = 00, timeStamp
POSITION = 10, timeStamp
select
RES_RQ = FALSE
cmdTermination/AddCause = 0
SELECTED = FALSE
SEL_CL = FALSE
tSe
le
ct
tR
es
erv
ati
on
R
es
po
n
se
tEx
ec
uti
on
F
B
RES_RQ = TRUE
IEC16000083=1=en=Original.vsdx
IEC16000083 V1 EN-US
Figure 195: Example of command sequence for a successful close command
when the control model SBO with enhanced security is used
Section 11
1MRK 506 382-UEN A
Control
396 Line distance protection REL650 2.2 IEC
Technical manual