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5.7. Configurable Inputs
The SIL-V has 6 digital inputs that can be set by the user. These inputs can be configured
from the HMI, or by using the SICom program.
The inputs are configured by associating the logical signals with the physical input that
they require, or else no association is made if that logical signal is not in use. Therefore, a
single physical input can be associated with more than one logical signal.
SIL-V logical signals are as follows:
Logical signals Description
52 a Circuit breaker contact a
52 b Circuit breaker contact b
External trip External trip start. If a pulse of more than 20 ms is received (to
avoid false signals), a 200 ms pulse is generated to be used in the
trip output.
BF init Start of circuit breaker fault through external protection
Fault init Oscillography Start
Manual close init Initial condition to close circuit breaker
Manual close enable Permission to close circuit breaker
Reset Reset leds and physical outputs
Settings froup 1 Active table assignment
Settings group 2 Active table assignment
79 init Start of 79 through external protection
79 Enable Permission to close 79
Level Lock 79 Lock of 79 through a level signal
Pulse Lock 79 Lock of 79 through a pulse signal of an RTU
Pulse Unlock 79 Unlock of 79 through a pulse signal of a RTU
74TCS coil A Circuit supervision with coil A
74TCS coil b Circuit supervision with coil B
Logical signal 1 Free logical signal
Logical signal 2 Free logical signal