The variables the user can set are binary signals from the system. The blocking signal needs to reach
the device minimum of 5 ms before the set operating delay has passed in order for the blocking to
activate in time.
Operating time characteristics
The operating timers’ behavior during a function can be set depending on the application. The same
pick-up signal starts both timers. When retrip is used the time grading should be set as follows: the
sum of specific times (i.e. the retrip time, the expected operating time, and the pick-up conditions'
release time) is shorter the set CBFP time. This way, when retripping another breaker coil clears the
fault, any unnecessary function triggers are avoided.
The following table presents the setting parameters for the function's operating time characteristics.
Table. 5.3.1 - 49. Setting parameters for operating time characteristics.
Name
Range
Step
Default
Description
Retrip
0: No
1: Yes
-
1: Yes
Retrip enabled or disabled. When the retrip is disabled, the output will not
be visible and the TRetr setting parameter will not be available.
Retrip
time
delay
0.000…1800.000s 0.005s 0.100s
Retrip start the timer. This setting defines how long the starting condition
has to last before a RETRIP signal is activated.
CBFP
0.000…1800.000s 0.005s 0.200s
CBFP starts the timer. This setting defines how long the starting condition
has to last before the CBFP signal is activated.
The following figures present some typical cases of the CBFP function.
A
AQ
Q-S215
-S215
Instruction manual
Version: 2.04
85
Summary of Contents for AQ-S215
Page 1: ...AQ S215 Bay control IED Instruction manual...
Page 249: ...Figure 7 4 151 Example block scheme A AQ Q S215 S215 Instruction manual Version 2 04 248...
Page 269: ...Figure 8 13 172 Device installation A AQ Q S215 S215 Instruction manual Version 2 04 268...
Page 287: ...10 Ordering information A AQ Q S215 S215 Instruction manual Version 2 04 286...