Seg WI Series User Manual

4.12.2
States / Standby
CBF
wiCBF_Y02
Standby
52
TripCmd
Pos OFF
&
Alarm:
20
Alarm
Timer:
t-CBF
Pos OFF
0
1
52
TripCmd
Pos OFF
&
Prot .
Prot .
CBF .
Fig. 62: States of the module »CBF«.
The »t-CBF« timer is stopped if the opening of the breaker is detected before the timer
has elapsed.
After the timer has elapsed, however, the »CBF« module has already entered the “Alarm”
state. This state is only left if the trigger signal, i. e. the Trip Command signal, drops o󰊞 and
the opening of the breaker is detected. (See also the state diagram ╚═▷ Fig. 62.)
4.12.3
Functionality
CBF
wiCBF_Y01
2
52
11
Please Refer To Diagram: Blockings
(Stage is not deactivated and no active blocking signals)
CBF .
t-CBF
Φ
IL1
IL2
IL3
20
ExP . Alarm
Prot . Pos OFF|
Prot . TripCmd|
Fig. 63: Functionality of the »CBF« module.
173WIC1WIC1-1.0-EN-MAN
4 Protective Elements
4.12.2 States / Standby

Seg WI Series Specifications

General

Brand	Seg
Model	WI Series
Category	Relays
Language	English