Functional Test of the Trip-Circuit Supervision
General
²
For the test, make sure that the switching threshold of the binary inputs is clearly below half the rated
value of the control voltage.
2 Binary Inputs
²
Make sure that the binary inputs used are isolated.
1 Binary Input
²
Make sure that, in the circuit of the 2nd circuit-breaker auxiliary contact, an equivalent resistance R is
connected.
²
Observe the dimensioning notes under the section Equivalent resistance R.
11.9
Functional Tests
11.9 Functional Test of the Trip-Circuit Supervision
SIPROTEC 5, Overcurrent Protection, Manual 1387
C53000-G5040-C017-8, Edition 07.2017
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