Siemens SWT 3000 Equipment Manual page 56

Functional Description
2.7 Protection Modes
Timeline
t4
t5
t6
t7
It is possible to enable fast transmission of permissive command with additional setting in PowerSys as below:
•
"BI1+2 interrupt single command BI1 or BI2 without delay" is enabled. Permissive command 1 or 2 trans-
mission can switch to input combination 1+2 without waiting for minimal transmission duration time-
out.
•
Transmission duration for permissive command is set to 15 ms. Permissive command is transmitted for at
least 15 ms.
•
Pulse suppression for permissive command is set to 0 ms. Permissive command input is accepted without
additional delay by suppression timer.
For detailed settings, refer
[DwFastComm020215, 1, en_US]
Figure 2-10
Table 2-10
Timeline
t1
t2
t3
t4
t5
t6
t7
56
Description
BI1 active, start transmission of command 1.
BI2 active after time interval 2 ms, continue transmission of command 1.
Transmission duration time-out, switch to transmit command 2, BO1 inactive after
command transmission delay.
Transmission duration time-out, BO2 inactive after command transmission delay,
switch to transmit guard command.
toTable 3-42 and
Fast Transmission of Permissive Command 1+2
Fast Command Transmission Timeline Description
Description
BI1 active, start transmission of command 1.
BI2 active within time interval 2 ms, switch to transmit command combination of 1+2,
BO1+2 active after command transmission delay.
Transmission duration time-out, BO1+2 inactive after command transmission delay.
BI1 active, start transmission of command 1, BO1 active after command transmission
delay.
BI2 active after time interval 2 ms, switch to transmit command combination of 1+2,
BO2 active after command transmission delay.
Transmission duration time-out, switch to transmit command 2, BO1 inactive after
command transmission delay.
BI2 inactive, switch to transmit guard command, BO2 inactive after command transmis-
sion delay.
Table 3-43.
Smart Communication, SWT 3000 Teleprotection, Equipment Manual
C53000-G6040-C605-1, Edition 03.2020