3.1 Setting the Test-Conditions
35
3
Ramp-up time means the time to increase the voltage until it reaches the set
test-voltage value set in the "Setting the Test-Voltage Value" (p.32). Ramp-down
time means the time to decrease the voltage upon completion of the test time.
When the ramp-up time and ramp-down time are set, the test voltage during the
test can be controlled.
flashes during the ramp-up time and the ramp-down time.If no ramp-up
(ramp-down) time timer is required, set it to “OFF” using the ON/OFF key.
3.1.4 Setting the Ramp-up (Ramp-down) Time Timer
1.
Press the key to move the flashing cursor to the ramp-up time timer.
2.
Press the / keys to set the ramp-up time timer.
Setting range: 0.1 to 99.9 s (The value changes by 0.1 s.
If no ramp-up time timer is required, set it to “OFF” using the ON/OFF key.
3.
Press the key to move the flashing cursor to the ramp-down time
timer.
4.
Press the / keys to set the ramp-down time timer.
Setting range: 0.1 to 99.9 s (The value changes by 0.1 s.)
If no ramp-down time timer is required, set it to “OFF” using the ON/OFF key.
5.
Press the STOP key to complete the setting value.
The instrument reverts to the READY state.
To continue to the setting for the next item, press the key.
or
<Ex.> Set to 0.1 s.
or
<Ex.> Set to 0.1 s.
STOP
• During the ramp-down time, screening using the upper- or lower-limit test
value is invalid.
• A ramp-up time of 0.1 seconds is always inserted even when the ramp-up
time timer is set to OFF.
• Ramp-down time will not be inserted during a forced termination.
• Due to the response time of the circuit, sometimes immediately after the with-
stand voltage test has started, both the time taken for the output voltage to
reach initial voltage of ramp-up and the time taken for the output voltage to
reach the accurate test voltage after the ramp-up time has ended, may take
longer, depending on the loads. As a result, the actual test time will be; time
taken for the output voltage to reach the initial voltage level + setting ramp-up
time + time taken for the output voltage to reach the accurate test voltage level
+ test time + ramp-down time.
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