GE LPS-O, Instruction Manual

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GE Power Management LPS-O Line Protection System 4-
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4 ACCEPTANCE/PERIODIC TESTS 4.1 OVERVIEW
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word. The Master password gives the user setting and action control within the relay. The factory Master
password is “789.” (make sure to include the period). The Master password must be changed before the
relay can be used for the first time. See Section 1.1.2: PASSWORDS: FACTORY SET on page 1–1 for
additional details on changing the password.
3. When the correct password is entered, the actions menu is displayed.
4. Scroll with the arrow keys until
5. RELAY TEST
is displayed, then press the [ENT] key. A complete list of the test numbers is shown in Table 4–1 below.
5. You will be prompted to DISABLE OUTPUTS. The test can be performed with or without the outputs dis-
abled. To disable the outputs, press [1/Y] and the [ENT] key. When outputs have been disabled the status
LED will turn red. If [3/N] is pressed rather than [1/Y], the outputs are not disabled and the status LED
remains green.
6. Scroll through the different test mode functions or enter the number of the desired test, such as 22 for the
Fault Detector. Press [ENT] and the cursor will be placed on the fault detector test. Press [ENT] again and
the test is started. When the LPS-O picks up for the selected function it closes the A1 contacts.
7. To exit test mode, press the [ACT] key. Scroll with an arrow key until
5. RELAY TEST
is displayed, then press the [ENT] key. Scroll until the display indicates
1. END TEST MODE
and press the [ENT] key. If you previously disabled the outputs, you will be prompted to ENABLE OUT-
PUTS before the relay test mode will end. Press [1/Y] and [ENT] to enable the outputs. The status LED
should return to green, indicating that normal operation has resumed.
4.1.9 USING COMMUNICATIONS (OPTIONAL)
The relay can be tested without using the keypad. A PC and a communications program, either LPSO-Link or
an ASCII terminal emulator, are required to establish communications, change the passwords, change settings
for the tests, and place the unit into test mode. The example used here is for LPSO-Link. Refer to Chapter 12:
ASCII COMMUNICATIONS for details on using a terminal emulator. All the functions available at the keypad
are also available through communications.
Table 4–1: AVAILABLE RELAY TESTS
1: End Test Mode 10: ZONE 3 CA 19: IB DETECTOR 28: INST GND OVRC
2: ZONE 1 AB 11: ZONE 4 AB 20: GND DIR TRIP 29: GND TOC PICKUP
3: ZONE 1 BC 12: ZONE 4 BC 21: GND DIR BLK 30: LINE PICKUP
4: ZONE 1 CA 13: ZONE 4 CA 22: FAULT DETECTOR 31: OVER VOLTAGE
5: ZONE 2 AB 14: ANY Z1 PHASE 23: REM OP DETCT 32: UNDER VOLTAGE
6: ZONE 2 BC 15: ANY Z2 PHASE 24: OUT OF STEP BLK 33: OUT OF STEP TRIP
7: ZONE 2 CA 16: ANY Z3 PHASE 25:V1 DETECTOR
8: ZONE 3 AB 17: ANY Z4 PHASE 26: LINE OVERLOAD
9: ZONE 3 BC 18: IT DETECTOR 27: INST PHS OVRC