Panasonic WV-CF600 Guía de instalación descargar pdf (Pagina 16)

Important:

 • Thepowersupplyof24VAC/12VDCshallbeinsulatedagainst120VAC.

 • Thepowersupplyisautomaticallyswitchovereither24VACor12VDC.Nosettingisrequired

with this camera.

Cable length and wire gauge

24 V AC

The recommended cable length and wire gauge are shown in the table for reference. The voltage

supplied to the power terminals of the camera should be within 19.5 V AC and 28 V AC.

Therecommendedwiresizefor24VACpowercordisshownbelow:

12 V DC

Calculation of the relation among the cable length, resistance, and power supply.

The voltage supplied to the camera shall be between 10.8 V DC and 16 V DC.

10.8 V DC ≤ V

- 2 (R x I x L) ≤ 16 V DC

L: Cable length (m)

R: Resistance of copper wire (Ω/m)

: DC output voltage of power supply unit

I: DC current consumption (A)

See specifications.

Resistance of copper wire [at 20 °C {68 °F}]

Copper wire

size(AWG)

#24

(0.205 mm

)

#22

(0.325 mm

)

#20

(0.519 mm

)

#18

(0.833 mm

)

#16

(1.307 mm

)

Length

(approx.)

(m) 20 30 45 75 120

feet 66 100 150 250 395

Copper wire

size(AWG)

#24

(0.205 mm

)

#22

(0.325 mm

)

#20

(0.519 mm

)

#18

(0.833 mm

)

#16

(1.307 mm

)

Resistance

Ω/m

0.083 0.052 0.033 0.020 0.013

1 2 ... 11 12 13 14 15 16 17 18 19 20 21 ... 31 32

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Panasonic WV-CF600 Guía de instalación Pagina 16

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