Barksdale Dynalco SST7400 Manuale di installazione e funzionamento - Pagina 7
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Terminal Connections
All connections are made via the terminal blocks on the front of the unit.
Top Terminal Block Connections
PIN
Description
4-20
4-20 mA Proportional Output (-)
(-)
4-20
4-20 mA Proportional Output (+)
(+)
REL1
Normally-Closed Relay Contact
NC
REL1
Relay Common
CT
REL1
Normally-Open Relay Contact
NO
REL2
Normally-Closed Relay Contact
NC
REL2
Relay Common
CT
REL2
Normally-Open Relay Contact
NO
REL3
Normally-Closed Relay Contact
NC
REL3
Relay Common
CT
REL3
Normally-Open Relay Contact
NO
REL4
Normally-Closed Relay Contact
NC
REL4
Relay Common
CT
REL4
Normally-Open Relay Contact
NO
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