93
Event counter (CN)
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The function can be tested by connecting a binary input to the counter under test and
from outside apply pulses to the counter. The speed of pulses must not exceed 10 per
second. Normally the counter will be tested in connection with tests on the function that
the counter is connected to, such as trip logic. When configured, test it together with the
function which operates it. Trig the function and check that the counter has followed the
number of operations.
Summary of Contents for REL 551 2.3 Series
Page 16: ...10 Note signs KDSWHU 6DIHW LQIRUPDWLRQ ...
Page 44: ...38 Checking the binary I O circuits KDSWHU KHFNLQJ WKH H WHUQDO FLUFXLWU ...
Page 52: ...46 Checking the self supervision signals KDSWHU QHUJLVLQJ WKH WHUPLQDO ...
Page 140: ...134 Testing the interaction of the distance protection KDSWHU 7HVWLQJ WKH SURWHFWLRQ V VWHP ...