SINEAX Si815-5

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Item number: 815-

discontinued
DC Signal Isolator, 1 Channel, with Power Supply Transfer, also FSK, Ex/NEx

Signal isolator for electrically isolating the 4 to 20 mA measuring/supply circuit of a measuring transducer with 2-wire connection. The device fulfils two functions simultaneously.

It provides for electrical isolation and
it transmits the supply power component of the signal, i.e. auxiliary power, to the measuring transducer without feeding anything to the circuit itself. Accordingly, the isolator does not include any auxiliary power terminals.

Certain variants of the SINEAX Si815 are FSK compatible (frequency shift keying). They are used for dialog-capable "intelligent" measuring transducers with FSK technology and HART or a company-specific protocol.

Technical characteristics
- Electrical isolation between input and output: prevents the formation of parasitic voltages and currents and eliminates grounding problems with interconnected and intermeshed signal lines.
- The input signal corresponds to the output signal: 4 to 20 mA
- Transmits auxiliary power to measuring transducers with 2-wire connection / simple, low-cost instrumentation
- No auxiliary power terminals: eliminates the need to lay and connect power supply lines.
- Suitable for the transmission of the 4 to 20 mA analog signal which is superimposed over a frequency modulated digital signal (FSK compatible) / allows for interaction with "intelligent" measuring transducers with 2-wire connection which utilize FSK technology and the HART or a company-specific protocol.
- Housing: SINEAX: N17 housing for top-hat rail mounting / SINEAX: S17 housing for top-hat rail or wall mounting

Delivery

1 Adapter (for signal isolator SI 815-5...., variants in housing Type N17)
1 Operating Instructions each in German, French and English for SINEAX SI 815-5 in housing Type N17
1 Operating Instructions in three languages: German, French and English for SINEAX SI 815-1 in housing Type S17
1 Type Examination Certificate (for instruments in type of protection “intrinsically safe” only)
Documentation / Downloads

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