Siemens EF 847 Series Manuale Utente Scaricare il pdf (Pagina 8)

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Siemens Industry, Inc.

Electrical

100K NTC Type 2 Thermistor @ 77°F

Digital Input

Pulse Accumulator

Contact Closure Sensing

Dry Contact/Potential Free inputs only

Supports counter inputs up to 20 Hz

Analog Output (Universal Input/Output (U) points only)

Super Universal (X)

Voltage (0-10 Vdc)

Analog Input

Voltage (0-10 Vdc)

Current (4-20 mA)

1K Ni RTD @ 32°F

1K Pt RTD (375 or 385 alpha) @ 32°F

10K NTC Type 2 or Type 3 Thermistor @ 77°F

100K NTC Type 2 Thermistor @ 77°F

Digital Input

Pulse Accumulator

Contact Closure Sensing

Dry Contact/Potential Free inputs only

Supports counter inputs up to 20 Hz

Analog Output

Voltage (0-10 Vdc)

Current (4-20 mA)

Digital Output (requires

an external relay)

0 to 24 Vdc, 22 mA max.

Operating Environment

Ambient operating temperature

32°F to 122°F (0°C to 50°C)

with

rooftop (extended temperature) option

Relative Humidity

-40°F to 158°F (-40°C to 70°C)

-16 and

-24:

5% to 95%, non-condensing

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Siemens EF 847 Series Manuale Utente Pagina 8