GE MLP1000 Manual page 61

Microprocessor based distance protection
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Operations:
Opening and closing the breaker, blocking and unblocking the recloser. This setting
is considered logical with 'N' meaning enabled using the 1/Y key, and 'n' meaning
prohibited using the 3/N key.
Settings changes:
This setting is considered logical with 'B' meaning enabled using the 1/Y key, and 'b'
meaning prohibited using the 3/N key.
Each one of these authorizations can be set independently with their prohibition
inhibiting the entrance into the related functions.
Remote authorizations:
The MLP allows you to prohibit remote access to certain critical functions. These
functions are
Operations:
This setting is analogous to the keyboard setting, with 'M' meaning enabled using
the l/Y key, and 'm' meaning prohibited using the 3/N key.
Settings changes:
This setting is analogous to the keyboard setting, with 'A' meaning enabled using
the l/Y key, and 'a' meaning prohibited using the 3/N key.
If a command corresponding to a prohibited function is recorded from the remote
controller, the error message "ACCESS DENIED" will be returned. Given the fact that these
authorizations can only be set from the keyboard, this provides you a method of filtering
commands which can be executed from the remote controller.
Language:
The MLP can display it's messages in two languages: Spanish and English. To
program the language use the logical keys, with 'E' meaning English using the 1/Y
key, and 'S' meaning Spanish using the 3/N key.
Units of measurement:
Units of measurement can be displayed in kilometers or miles on the MLP. To set
the desired measurement unit use the logical keys, with 'K' meaning kilometers
using the 1/Y key, and 'I' meaning miles using the 3/N key.
Unit number:
Each MLP is identified by a unit number which serves to the messages directed to it
through the remote communications line. This number may be between 1 and 255,
both extremes included.
Password:
To avoid unauthorized personnel from communicating remotely with the relay
through the use of Mlink which allows settings changes and execution of operations,
the relay provides a password. The password may only be viewed through the relay
monitor and is composed of a number between 1 and 99999
Updating the configuration unit is performed in the same way as any other settings
group, pressing the END key ,and confirming the command. The configuration
GEK-98846A
60

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