Benning IT 130 - Page 44

BENNING IT 130 Measurements
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How to perform an automatic test
Steps of the automatic test Note
 Select the FI/RCD function by means of the function selector
switch.
 Set the sub-function to AUTO.
 Set the testing parameters.
 Connect the test cables to the test object (see figure 5.17).
 Press the "TEST" key to start the measurement.
Start of test
 Testing with I
∆
N, 0° (step 1)
RCD should trip
 Activating the RCD
 Testing with I
∆
N, 180° (step 2)
RCD should trip
 Activating the RCD
 Testing with 5×I
∆
N, 0° (step 3)
RCD should trip
 Activating the RCD
 Testing with 5×I
∆
N, 180° (step 4)
RCD should trip
 Activating the RCD
 Testing with ½×I
∆
N, 0° (step 5)
RCD must not trip
 Testing with ½×I
∆
N, 180° (step 6)
RCD must not trip
 Tripping current test, 0° (step 7)
RCD should trip
 Activating the RCD
 Tripping current test, 180° (step 8)
RCD should trip
 Activating the RCD
 Save the measuring result by pressing the "MEM" key
(optional).
End of test
Example of the test steps:
Step 1 Step 2
Step 3 Step 4
Step 5 Step 6
Step 7 Step 8
Figure 5.21: Test steps of the automatic test