Getting Started P54x/EN GS/La4
MiCOM P543, P544, P545 & P546
(GS) 3-7
GS
1.4 Introduction to the user interfaces and settings options
The relay has three user interfaces:
The front panel user interface via the LCD and keypad
The front port which supports Courier communication
The rear port which supports K-Bus or IEC 60870-5-103 or DNP3.0 or IEC 61850 +
Courier via rear EIA(RS)485 port or IEC 61850 + IEC 60870-5-103 via rear EIA(RS)485
port. The protocol for the rear port must be specified when the relay is ordered
Keypad/
LCD
Courier IEC 61850 IEC870-5-103 DNP3.0
Display & modification
of all settings
• •
Digital I/O signal
status
• • • • •
Display/extraction of
measurements
• • • • •
Display/extraction of
fault records
• •
• •
Extraction of
disturbance records
•
•
•
Programmable
scheme logic settings
•
Reset of fault & alarm
records
• •
• •
Clear event & fault
records
• •
•
Time synchronization • • • •
Control commands • • • •
Table 1 Measurement information and relay settings that can be accessed from the three
interfaces
1.5 Menu structure
The
relay’s menu is arranged in a table. Each setting in the menu is known as a cell, and
each cell in the menu may be accessed using a row and column address. The settings are
arranged so that each column contains related settings, for example all of the disturbance
recorder settings are in the same column. As shown in Figure 3, the top row of each column
contai
ns the heading that describes the setting in that column. You can only move between
the columns of the menu at the column heading level. For a complete list of all of the menu
settings see the Settings chapter P54x/EN ST and the Relay Menu Database document
P54x/EN MD.
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