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Installation and operating instructions, ATS021
6.2
Input signals
DI1, DI2 Status signals of circuit breakers CB1, CB2
Inputs DI1, DI2 are connected to the normal and emergency lines circuit breakers status auxiliary
contacts
• DI1, DI2 open: CB open
• DI1, DI2 closed: CB closed
DI3 Switching Logic Activation/Deactivation
Input DI3 is used for enabling/disabling the switching logic. The function may be used for integrating
generic alarms coming from the plant the presence of which leads to disabling of ATS021 automatic
switching logic.
• DI3 open: logic disabled
• DI3 closed: logic enabled
Uscita per controllo CB1
Output to control CB1
Salida para control CB1
Sortie pour controle CB1
Ausgang zur steuerung CB1
Uscita per controllo CB2
Output to control CB2
Salida para control CB2
Sortie pour controle CB2
Ausgang zur steuerung CB2
ingresso logica abilitata/disabilitata
logic enable/disable input
entrada activacion/disactivacion logica
entree activaction/desactivaction logique
eingang aktivierung/deaktivierung logik
stato CB1
status CB1
estado CB1
zustand CB1
stato CB2
status CB2
estado CB2
zustand CB2
Figure 6.1:
Control circuit diagram ATS021
2
ATS 021
etat CB1
etat CB2
Com
6.
Alimentazione
Power
Alimentacion
Alimentation
Stromversorgung
24
Input and output signals
Uscita per controllo Gen Start/Stop
Output to control Gen Start/Stop
Salida para control Gen Start/Stop
Sortie pour controle Gen Start/Stop
Ausgang zur steuerung Gen Start/Stop
Segnalazione allarme
Alarm signaling
Senalizacion de alarma
Signalisation alarme
Alarmmeldung
Segnalazione modalità manuale/auto
Manual/auto mode signalization
Senalizacion manual/auto
Signalisation manuel/auto
Meldung automatischen/manuelle modus
Logica abilitata
Enable logic
Senalizacion logica activa
Signalisation logique activee
Meldung logik aktivie
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