Vanguard CT-7000 - Manual (Page 31)

CT-7000 Operating Instructions
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9.1.4 Timing OPEN-CLOSE-OPEN Operation
The OPEN-CLOSE-OPEN operation requires the user to enter two time-delays
between the circuit breaker operations. The time delays are in millisecond intervals. The
first delay is from the first OPEN command to the CLOSE command. The second delay is
from the CLOSE command to the second OPEN command. Refer to Table 7.0 for setting
up the OPEN-CLOSE-OPEN operation.
Table 7.0 Open-Close-Open Operation Using Delay
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 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-CLOSE-OPEN OPERATION. PRESS #5 KEY. O-C Delay in mS:
(10 – 350)
mSec
ENTER when done
6 SELECT DELAY BETWEEN OPEN-CLOSE
OPERATION.
ENTER DELAY USING 0-
9 KEYS, PRESS THE
“ENTER” KEY TO
CONFIRM.
C-O Delay in mS:
(10 – 350)
mSec
ENTER when done
7 SELECT DELAY BETWEEN CLOSE-OPEN
OPERATION.
ENTER DELAY USING 0-
9 KEYS, PRESS THE
“ENTER” KEY TO
CONFIRM.
OPEN-CLOSE-OPEN TIMING
Hold "ARM" Switch,
Then "START".
"STOP" to ABORT
8 INITIATE O-C-O COMMAND. HOLD THE "ARM"
SWITCH AND
PRESS THE "START"
KEY.
TEST IN PROGRESS
Hold "ARM" Until
Test complete.
(Up to 15 seconds)
9 ANALYZER IS READY TO OUTPUT RESULTS. NONE. 1.TIME BREAKER
2.GET RESULT
3.SET-UP
4.DIAGNOSTIC