12. Panel indicator description
The LED indicators are described as follows:
one
The "Run" light is green, it will light up when the device is in normal operation, and it will go out, indicating that the device is not in working state;
two
The "alarm" light is in color, and it will light up when the device has an alarm signal;
three
The "Trip" light is red, it will light up when the protection action and exit, and it will go out after the "signal reset";
four
The "closing" light is red, it will be on when the reclosing exit is on, and it will be off after the "signal reset";
five
The "Trip" light is green, indicating the current switch position;
six
The "Close" light is red, indicating the current switch position;
seven
The "Charging" light is green, and it will light up when the reclosing charging is completed;
eight
The "PT disconnection" light is in color, and it will light up when the voltage circuit is disconnected;
nine
Other indicators are standby.
Note: The "trip" signal light will go out only after pressing "signal reset" or remote signal reset.
13. LCD display description
13.1 Normal operation display
After the device is powered on, the LCD screen will display the main screen during normal operation. If it cannot be fully displayed in one screen, all display messages
Information will automatically scroll from bottom to top at the speed of one line at a time. The main screen display format is shown in Figure 13.1-1 below.
Current phase A
2011–01–27 10:10:00
Current phase B
Current phase C
Self generated zero current
External zero current
Address 198
0.000 A
0.000 A
0.000 A
0.000 A
0.000 A
Area code 01
Figure 13.1-1 Main screen of normal operation of the device
13.2 Main screen report display
During the operation of the device, if the hardware self-test error or system operation abnormality is detected, the main screen will immediately display the self-test alarm information,
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As shown in Figure 13.2-1 below.
Device alarm
Device self check alarm information
Control circuit disconnection alarm
Figure 13.2-1 Self inspection report interface
When the device adds a new protection action report, the main screen will display the latest action report. The action report interface displays the
Record number, action time (format: year month day hour: minute: second: millisecond) and action element name, and before the action element
Display the relative time and phase of protection action, as shown in Figure 13.2-2 below. If it cannot be fully displayed in one screen, all displayed messages
Information will automatically scroll from bottom to top at the speed of one line at a time.
0000ms
0022ms A B C
Whole set starting
Action of overcurrent section I
Ia
02.956A
Ib
03.001A
Ic
02.968A
I0
01.465A
Device action NO.4
2011-01-27 18:51:15:717
Figure 13.2-2 Action Report Interface
If the action report and self inspection report exist at the same time, the upper part of the main screen displays the action report and the lower part displays the self inspection report,
As shown in Figure 13.2-3 below. If it cannot be fully displayed in one screen, the display information of action report and self inspection report will be respectively from bottom to top
Automatically scroll the display at the speed of one line at a time.
0000ms
Device action NO.4
2011-01-27 18:51:15:717
0022ms A B C
Whole set starting
Action of overcurrent section I
Ia
02.956A
Device self check alarm information
Device alarm
Figure 13.2-3 Interface of Action Report and Self inspection Report
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Press the reset button on the screen or simultaneously press the "Confirm" and "Cancel" keys or enter the menu "Local command ->Signal reset" to switch the display action
Report interface, self inspection report interface and main screen of device normal operation. In addition to the above automatic switching display modes, the protection also provides
Several command menus are provided for relay protection engineers to debug protection and modify setting values.
14. Instruction of command menu
In the main screen state, press the "▲" key to enter the main menu, and select the submenu through the "▲", "▼", "OK" and "Cancel" keys. life
Make the menu use the following tree directory structure (this menu is only an example, and there will be slight differences between actual projects):
14.1 Analog quantity
This menu is mainly used to display the current, voltage sampling value and phase angle of the protection device in real time.
Table 14-1 Introduction to "Analog quantity" submenu
S/N
Name of submenu
describe
one
Protection measurement
Display the measurement information related to the protection action of the device.
two
Start measurement
Display measurement information related to protection startup of the device.
three
Telemetry
Display the remote measurement information of the device.
14.2 Status quantity
This menu is mainly used for real-time display of input, output, self-test status and other status values.
Table 14-2 Introduction to "Status Quantity" submenu
S/N
Name of submenu
describe
one
Input quantity
Display the input information of the device.
two
Output
Display the output information of the device.
three
Self test status
Display self inspection and other alarm information of the device.
The submenus of "analog quantity" and "status quantity" comprehensively reflect the operating environment and status of the protection device, and only the display values of these quantities are
The protection can only work correctly if the actual operation is consistent, and these quantities must be checked when putting into operation. The setting of the above menu is for on-site personnel
The debugging and maintenance of personnel provide greater convenience.
14.3 Report display
This menu displays various reports such as protection action report, self inspection alarm report, displacement report and device log. After device action, please
Check and record these reports.
Scroll up and down with the "▲" and "▼" keys to select the report type to display, and press the "OK" key to enter the report display interface. First display the most
A new report; Press "-" to display the previous report, and press "+" to display the next report. If all information in a report is not
If it can be fully displayed in one screen, scroll up and down through the "▲" and "▼" keys. Press the "Cancel" key to exit the previous menu.
Table 14-3 Introduction to "Report Display" Submenu
S/N
Name of submenu
describe
one
Action report
Display protection startup, protection action and other information.
two
Self-check report
Display the information of device self inspection.
three
Deflection report
Display the information of remote signaling displacement.
four
Device Log
Display the information of the device itself such as power on and power off.
five
Control report
Display the remote control command record file of the device.
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14.4 Constant value setting
This menu is mainly used to set or view the parameters and fixed values of the device.
Scroll up and down with the "▲" and "▼" keys to select the set value group, and press the "OK" key to enter the setting value interface; When there are multi-level scores
When grouping submenus, press the "Confirm" key or the "?" key to enter the next submenu level by level, and finally press the "Confirm" key to enter the constant value setting interface.
Scroll up and down through the "▲" and "▼" keys to select the fixed value item to be modified, and press the "OK" key to enter the fixed value item editing interface; Press "?", "?"
Press the key to move the cursor to the data bit to be modified, and use the "+" and "-" keys to modify the value. Press the "Confirm" key to automatically exit to
In the setting setting interface, continue to edit other setting items in the same way; After the fixed value is modified, press "?", "?" or "Cancel" key, LCD
When prompted "Save?", there are three options:
Select "Yes", press the "OK" key and enter the four digit password ("+", "?", "▲", "-") to complete the setting;
Select "No", press the "OK" key, and quit saving;
Select "Cancel" and press "OK" to return to the constant value modification interface.
For multi zone setting value (such as protection setting value), the setting zone number needs to be selected before entering the setting setting value interface. The "setting zone number" can be set by "+"
"-" key to modify.
"Copy fixed value" can copy the protection fixed value in the "current area code" to the "copy area code", and the "copy area code" can be copied through "+", "-"
Key.
14.5 Printing
This menu is used to print device description, various fixed values, device status, various reports, as well as fault waveform and 103 protocol related information
Interest, etc.
Scroll up and down with the "▲" and "▼" keys to select the content to be printed, and press the "OK" key to print; When there are multi-level grouping submenus,
Press "OK" or "?" to enter the next submenu step by step, and finally press "OK" to print out.
"103 protocol information" is used to print the function type (FUN), information serial number (INF) table related to 103 protocol, general classification service
Service group number, channel number (ACC) table, convenient for communication debugging.
