Sintrol S304 - Page 18

18
Setup configuration 3:
Relay 1 Normally Close (NC), Relay 2 Normally Open (NO),
Service mode (S305) : Relay 1 and Relay 2 contacts are close.
Relay 2
High alarm level
Relay 1
Low alarm level
Relay 1 (NC)
Relay 2 (NO)
Open
Close
Open
Open
Close
Open
Service mode
Close
Close
Setup configuration 4:
Both relays connected to Normally Close (NC)
Service mode (S305) : Relay 1 contact is close and Relay 2 contact is open.
Relay 2
High alarm level
Relay 1
Low alarm level
Relay 1 (NC)
Relay 2 (NC)
Open
Open
Open
Close
Close
Close
Service mode
Close
Open
Dust
concentration
Normal
operation
Dust
concentration
Normal
operation