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Note
104
14.13 Local CB HMI
The local CB HMI provides local control by pushbuttons to Open/Close the CB when the IED is in
Local or Global (Local and Remote) mode. Green/red LED bars display CB open/closed position.
Green/red LED bars are alternatively switched ON and OFF when the CB position is not defined
(position sensor indication is not consistent).
µC Ready:
LED on, signalling the IED
Unit
Ready:
LED on, all the conditions for CB operation
are correct
C Charged:
LED on, the capacitor is fully charged and the
energy stored is available for operation
Coils OK:
LED on, the opening –MO and closing –MC
coils are connected and ready to operate
No Anomalies:
LED on, no other IED anomaly is detected
(otherwise blinking)
Disabling
Opening:
LED on when DI4 is low (active) and Opening
disabling function is activated
Closing:
LED on when DI (DI5 by default) is low (active)
and Closing disabling function is activated
Protection
Start:
LED on when at least one protection function
is in Start condition (general Start signal is
active)
Trip:
LED on when at least one protection function
has entered Trip condition (general Trip signal
is active and latched), see Reset
Local:
LED on when the IED is in Local control Mode
(Off when in remote or global mode)
Networks:
LEDs blinking when an active communication
is established with the IED; left for com-
munication with Panel HMI, right for com-
munication with system
Fig. 98
is functional
µC
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