Wavetronix SmartSensor 105 (SS-105) - User Guide Manuel d'utilisateur télécharger pdf (Page 22)

CHAPTER 2  CONNECTING POWER AND SURGE PROTECTION 21

Figure 2.4 – Earth Ground Connections

Connecting AC Power Conversion

Since the sensor operates on 10-30 VDC, it is necessary to provide AC power conversion

when reliable DC power is not already available. Wavetronix recommends using the fol-

lowing three Click components:

 Click 201/202 AC to DC converter

 Click 230 AC surge module

 Click 210 circuit breaker and switch

Warning

Make sure power to AC mains is disconnected while wiring the AC input.

A Click 201 provides 1 amp of power and is capable of powering a single sensor, while a

Click 202 provides 2 amps and can power two sensors. e Click 230 helps limit current

surges on the power lines; the Click 210 interrupts power during overload conditions and

provides a convenient way to turn power on and o.

Depending on your conguration, these Click modules may be mounted in the pole-mount

cabinet or the main trac cabinet. When mounted in the main trac cabinet, a homerun

cable is used to conduct DC power and communication signals to the pole-mount cabinet.

For connections shorter than 600 ft. (182.9 m), use the SmartSensor cable as your homerun

cable. is will simplify the wiring process and ensure reliable connections.

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Wavetronix SmartSensor 105 (SS-105) - User Guide Manuel d'utilisateur Page 22