Ct-7000 operating instructions – Vanguard CT-7000 User Manual
Page 27
CT-7000 Operating Instructions
20
9.1.1 Timing an OPEN Operation With No Insertion Resistors
Table 4.0 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 15 seconds)
7
OBSERVE BREAKER OPERATED.
ANALYZER IS READY TO OUTPUT RESULTS.
NONE.
1.TIME BREAKER
2.GET RESULT
3.SET-UP
4.DIAGNOSTIC
NOTE
One-second timing windows are used for breaker timing. The 10 and 20 second
timing windows are used for circuit-switcher timing.