Vaisala WINDCAP WS425 Guía de usuario descargar pdf (Pagina 89)

Chapter 4 ________________________________________________________________ Installation

Heating Power

Table 27 below lists the minimum power supply requirements of

each WMT700 heating option.

NOTE

In maritime environments, the normal inpu

t voltage ranges are: operating

voltage 10

… 30 VDC (-10% … +30%) and heating voltage

… 30 VDC (-10% … +30%), as defined in the maritime standard

IEC

60945.

Table 27 Heating Power Supply Requirements

Heating Option

Heating Voltage

Required Heating

Power Supply

None

Transducers

24 … 36 VDC

40 W

Transducers and arms

24 … 36 VDC

200 W

Transducers, arms and body

24 VDC

350 W (2 m cable)

Power and Cable Recommendations for Fully

Heated WMT700

Table 28 below shows cable and power recommendations. If a

longer than a 10 meter cable is needed, it is recommended to use

Junction Box with Cable (WMT70CABLE12) for extending the

cable length.

NOTE

The minimum operation voltage for a fully heated WMT700

(transducers,

arms, and body heated) is 16 V, if a separate power supply

unit is used for operation.

Table 28 Heating Power and Extension Cable

Wire Type/

Cable Length

2 m

WMT70CABLE1*

10 m

WMT70CABLE2*

20 m

30 m

40 m

0.5 mm2/AWG20

24V 400 W

28 V 400 W

1 mm2/AWG17

28V 400 W

30 V 400 W

32 V 400 W **

1.5 mm2/AWG15

30 V 400 W

* Vaisala standard connection cable.

** Not for maritime use.

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