ABB RELION 670 Series Technical Manual page 849

1MRK 502 066-UUS B
SESRSYN
Synchro
check
ANSI09000209 V1 EN-US
Figure 439: Example of interaction between SCSWI, SESRSYN (25) (synchronism check and
Time diagrams
The Switch controller (SCSWI) function has timers for evaluating different time supervision
conditions. These timers are explained here.
The timer
signal, that is, the time the operator has to perform the command execution after the selection of
the object to operate.
execute command
IEC05000092 V1 EN-US
Figure 440: tSelect
The parameter
that is, the time between reservation request and the feedback reservation granted from all bays
involved in the reservation function.
Technical manual
SCSWI
EXE_CL
SYNC_OK
START_SY
SY_INPRO
synchronizing function) and SXCBR function
tSelect is used for supervising the time between the select and the execute command
select
tSelect
timer
The Long-operation-time cause is only given on the output L_CAUSE. It is not sent
on protocols since the selection has already received a positive response, and no
operation has been issued. If an operation is issued after the time out, the negative
response is Object-not-selected.
tResResponse is used to set the maximum allowed time to make the reservation,
SXCBR
CLOSE
OR
CLOSECMD
Synchronizing
function
ANSI09000209-1-en.vsd
t1
en05000092.vsd
t1>tSelect, then long-
operation-time in 'cause'
is set
Section 14
Control
M13484-51 v6
843