ABB MDAR Instruction Manual page 86

ZIP = OUT
ZIG = OUT
DIRU = DUAL
GBCV = CO-8
GBPU = 0.5
GDIR = YES
GTC = 24
For a dual polarizing ground directional unit (DI-
RU = DUAL) test, connect the test circuit shown
in Figure A-4. Apply I
12(+) and 11(-), and apply a zero volt to V
V , and V . Apply I = 4A to terminals 6 (+) and 5
c n a
(-). The relay should trip at the following angles:
• -3°
• -90° (± 87°)
• -177°
The relay should not trip at the following angles:
• +3°
• +90° (± 87°)
• +177°
Change the settings back to Table A-1.
2.1.5 Output Contact Test
Step 10. The purpose of this test is to check the
hardware connections and relay contacts. It is
designed for a bench test only. Remove JMP12
(spare on the Microprocessor PC Board) and
place it in the JMP 5 position.
Change the LED mode to "TEST" and select the
tripping function field and the desired contact in
the value field. Push the ENTER button; the
ENTER LED should be "ON". The corresponding
relay should operate when the ENTER button is
pressed. The following contacts can be tested:
• TRIP
• BFI
• RI1 (optional)
• RI2
• RB
• AL1 (with 3 balanced voltages)
• AL2
• GS
• SEND (optional)
• STOP (optional)
= 1.0A ∠−90° to terminals
P
, V
a
Remove JMP 5 and place it on JMP12.
2.2 Pilot Maintenance Test
Connect the MDAR per Figure A-1, Configuration 1.
2.2.1 Basic Function Test
Step 1. Repeat Step 1 thru 10 in the Non-Pilot
Maintenance Test (2.1.1 thru 2.1.5).
2.2.2 Input Opto-Coupler Check
Step 2. PLT ENA Terminals
Change the following settings from Table A-1:
,
b
• PLT YES
• Z1P 0UT
• Z1G OUT
• PLTP OUT
• PLTG 6.0
• Z3P OUT
• Z3G 6.0
• T3P BLK
• T3G BLK
• Z3FR REV
a. Block Systems Only
Change the STYP setting to BLK. Apply a for-
ward fault, as shown in the Non-Pilot Mainte-
nance Test, step 5. The relay should not trip.
Apply a rated dc voltage to PLT ENA terminals
TB 5/9(+) and TB 5/10(-). Repeat the test. The
relay should trip.
b. POTT/PUTT Systems Only
Change the STYP setting to POTT. Change the
LED mode to TEST and select the function
"RS1". Push the ENTER button; the LED should
be "ON". Apply a forward fault as shown in
Non-Pilot Maintenance test, Step 5. With the
ENTER button depressed, the relay should not
trip. Apply a rated dc voltage to terminals TB 5/
9(+) and TB 5/10(-). Repeat the test. The relay
should trip.
Step 3. Receiver 1
Apply a dc voltage to PLT ENA terminals TB 5/
9(+) and TB5/10(-).
a. Block Systems Only
Change the STYP setting to BLK. Apply a for-
ward fault as shown in the Non-Pilot Mainte-
nance test, Step 5. The relay should trip.
I.L. 40-385.5
A-14