Functional Test Of The Trip-Circuit Supervision - Siemens 6MD85 Manual

Functional Tests

10.8 Functional Test of the Trip-Circuit Supervision

10.8 Functional Test of the Trip-Circuit Supervision
General
For the test, make sure that the switching threshold of the binary inputs is clearly below half the rated
²
value of the control voltage.
2 Binary Inputs
Make sure that the binary inputs used are isolated.
²
1 Binary Input
Make sure that, in the circuit of the 2nd circuit-breaker auxiliary contact, an equivalent resistance R is
²
connected.
Observe the dimensioning notes under the section Equivalent resistance R.
²
1074 SIPROTEC 5, High-Voltage Bay Controller, Manual
C53000-G5040-C015-9, Edition 11.2017