GE DFF1000 Series, Instructions Manual, Page: 20 / 59

GEK – 106166B
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3. 3. 3. 3. SETTINGS SETTINGS SETTINGS SETTINGS
The following tables contain a complete list of the DFF settings, with their associated ranges, units and steps. The
column called DEFAULT shows the factory default settings.
Setting can be viewed and modified in different ways: through keypad and display or through a computer
connected to any of the two available serial ports. In order to modify settings manually please refer to section 9
“KEYPAD AND DISPLAY”. To modify settings through a computer the following steps should be followed:
•
Make sure the connection cable corresponds to the one described in figure 3, either for DB9 or DB25.
•
Connect the cable between the relay (or modem) and the computer serial port.
•
Execute GE-LOCAL software. For more information about GE-LOCAL software check with the instruction
manual GEK 105595.
•
Make sure the configuration parameters of the relay and the ones of the software match. Those settings are :
- UNIT NUMBER
- PASSWORD
- BAUD RATE (different settings for local and remote communications )
- STOP BIT (different settings for local and remote communications )
To view or modify the configuration settings please go to the configuration menu, please refer to section 9
“KEYPAD AND DISPLAY”
The DFF relay has three independent setting tables stored in non-volatile EEPROM memory. Those tables are
selectable through settings or configurable inputs. the following categories contain the common settings to the
three tables:
GENERAL SETTINGS
ACTIVE TABLE SETTINGS
OSCILLOGRAPHY MASK
FUNCTION ENABLING
The rest of categories, indicated here below, contain the settings that can be selected independently for every
table:
•
Undervoltage unit 27P
•
Overvoltage unit 59P
•
Underfrequency unit or dF/dT 81 U1
•
Underfrequency unit or dF/dT 81 U2
•
Underfrequency unit or dF/dT 81 U3
•
Underfrequency unit or dF/dT 81 U4
•
Underfrequency unit or dF/dT 81 U5
•
Underfrequency unit or dF/dT 81 U6
•
Underfrequency unit or dF/dT 81 U7
•
Underfrequency unit or dF/dT 81 U8
It is important to mention that in order to simplify the menu and also for safety reasons, all settings connected to
configuration (I/O, LEDs, events) have been taken out from the keypad.