Vanguard DigiTMR User Manual
Page 31
REV 3 DIGITMR USER’S MANUAL
26
3.5.3. Timing a CLOSE-OPEN Operation Using Contact Channel #1
The CLOSE-OPEN operation of a breaker simulates a condition where a breaker is closed on a
fault. To time a CLOSE-OPEN operation:
a. Start from the “START-UP” menu:
Press the
[1]
key (TIME BRKR) to start a test.
b. The following screen will be displayed:
Press the
[1]
key (NO).
c. The following screen will be displayed:
Press the
[1]
key (WINDOW = 1 SEC) to select the 1-second timing window.
d. The following screen will be displayed:
Press the
[1]
key (Internal Trigger) to select the internal trigger.
e. The following screen will be displayed:
Press the
[4]
key (C-O) to select the CLOSE-OPEN timing operation.
TIMING MODE
1. OPEN 2. CLOSE
3. O-C 4. C-O
5. O-C-O
TRIGGER MODE:
1. Internal Trigger
2. External Trigger
TIMING WINDOW:
1. WINDOW = 1 SEC
2. WINDOW = 10 SEC
3. WINDOW = 20 SEC
INSERTION RESISTOR?
1. NO
2. YES
1. TIME BRKR 04/17/09
2. GET RSLT 10:49:23
3. SET-UP
4. DIAGNOSTICS