Vanguard CT-6500 S2 User Manual
Page 29
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CT-6500 Series 2 Operating Instructions
28
9.1.1 Timing an OPEN Operation (With No Insertion Resistors)
The following example shows the steps for performing an Open Test on a circuit breaker.
Table 3.0 Open Operation With No Insertion Resistors
STEP OPERATION
ACTION DISPLAY
1
READY TIMER FOR BREAKER OPERATION..
PRESS #1 KEY.
INSERTION RESISTOR?
1.NO
2.YES
2
SELECT NO INSERTION RESISTOR.
PRESS #1 KEY.
TIMING WINDOWS:
1.WINDOW = 1 SEC
2.WINDOW = 10 SEC
3. WINDOW = 20 SEC
3
SELECT 1-SECOND TIMING WINDOW.
PRESS #1 KEY.
TRIGGER MODE:
1. INTERNAL TRIGGER
2. EXTERNAL TRIGGER
4
SELECT INTERNAL TRIGGER.
PRESS #1 KEY.
TIMING MODE:
1. OPEN
2. CLOSE
3.
O-C
4.
C-O
5. O-C-O
5
SELECT OPEN OPERATION.
PRESS #1 KEY.
OPEN TIMING
Hold "ARM" Switch,
Then "START".
"STOP" to ABORT
6
INITIATE OPEN COMMAND.
HOLD THE "ARM"
SWITCH AND
PRESS THE "START"
KEY.
TEST IN PROGRESS
Hold "ARM" Until
Test complete.
(Up to 25 seconds)
7
OBSERVE BREAKER OPERATED.
ANALYZER IS READY TO OUTPUT RESULTS.
NONE.
1.RUN TEST 06/12/07
2.GET RSLT 19:20:01
3.SET-UP
4.DIAGNOSTIC
Go to section 9.2 to print a test report.
NOTE
One-second timing windows are used for breaker timing. The 10 and 20 second
timing windows are used for long timing events (i.e. timing circuit-switchers).
The user can set the CT-6500 to print tabulated and graphical reports
automatically after it completes a test. See Paragraph 9.17 for the automatic print
setting.