Trip time delay test, Trip time delay test -7 – Basler Electric BE1-87B User Manual

Page 75

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2. With the Pickup Current Control set for 0.25 amperes, apply 0.75 amperes or 3.0 times the selector

switch setting. The trip contacts should close in approximately 4.5 ms (see timing curve Figure 1-2)
and the Trip LED should light.

3. Repeat the test several times to verify consistent trip times. Verify the closing time of the second trip

contact by moving the timer stop leads shown in Figure 5-4 from terminals 17 – 18 to 19 – 20 and
repeat the Trip Time Test.

Trip Time Delay Test

This test is required only when trip time delay will be used.

1. Change the jumper on the Control Board from position 1-2 to 2-3 (see Figure 3-3). Connect the test

circuit as shown in Figure 5-6. The test set timer should be set to start on the application of current
and stop on trip contact closure.

2. With the Pickup Current Control set for 0.25 amperes, apply 0.75 amperes or 3.0 times the Pickup

Current Control setting. The trip contacts should close in approximately 24.4 ms (see timing curve
Figure 1-3). Repeat the test several times to verify consistent trip times.

When the timing tests are complete, set the Current Pickup Control to the values calculated for the user’s
specific application. Verify that the Alarm Voltage and Pickup Voltage Controls have been set to their
calculated positions.

9282300990 Rev P

BE1-87B Testing

5-7

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