Technical description
7 Applications
7.4 Trip circuit supervision
VM259.EN007
VAMP 24h support phone +358 (0)20 753 3264
247
Figure 7.4.3-1 Trip circuit supervision with two dry digital inputs. The CB is
closed. The supervised circuitry in this CB position is double-lined. The
digital input is in active state when the trip circuit is complete. This is
applicable for dry inputs DI7...D20 only.
Figure 7.4.3-2 Trip circuit supervision with two dry digital inputs. The CB is
in the open position. The two digital inputs are now in series.