Vanguard DigiTMR S2 User Manual

Page 58

DIGITMR S2 USER’S MANUAL

REV 1

3.7.3. 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 BREAKER) 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.

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 BREAKER
2. GET RESULTS
3. SETUP
4. DIAGNOSTICS