P44x/EN ST/Hb
P442, P444 (ST) 4-
1 SETTINGS
The MiCOM P44x protection must be configured to the system and application by means of
appropriate settings. The sequence of the settings is listed and described in this section.
They are protection setting, control and configuration settings and the disturbance recorder
settings. The relay is supplied with a factory-set configuration of default settings.
1.1 Relay setting configuration (“System Data” column)
Menu Text Default Setting
Setting Range
Step Size
Min. Max.
Language English
The default language used by the device. Selectable as English, French, German,
Spanish, Italian or Chinese (see options in section P44x/EN IT)
Password “****” or “________________”
Device default password (8 characters for models with Cyber Security features)
Description “MiCOM”
16 character relay description. Can be edited.
Plant Reference MiCOM
Associated plant description and can be edited.
Model Number P44????????????
Relay model number. This display cannot be altered.
Serial Number 6 digits + 1 letter
Relay model number. This display cannot be altered.
Frequency 50Hz 50Hz 60Hz 10Hz
Relay set frequency. Settable between 50 and 60Hz.
Comms. Level 2
Displays the conformance of the relay to the Courier Level 2 comms.
Relay Address 255 7 34 1
Sets the front and first rear port relay address from 7.
Plant Status 0000000000000000
The two last digits display the circuit breaker status: “00” = CB not fitted, “01” = CB ompen
and healthy, “10” = CB closed and “11” = CB failure or state unknown. Refer to section
P44x/EN AP for Circuit breaker state monitoring features.
Control Status 0000000000000000
Not used.
Active Group 1
Displays the active settings group.
CB Trip/Close No Operation No Operation/ Trip/ Close
Supports trip and close commands if enabled in the Circuit Breaker Control menu.
Software Ref. 1
Displays the relay software version including protocol and relay model.
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