Powered by PV module

This supply concept enables a self-sustaining operation of the 4-Channel Data Logger . I.e. no energy source has to be available at the installation site.

The following components are required to implement the the supply concept:

  • PV module
    • PV module 30W (301172 recommended)
    • PV module 10W (301449)

  • Power Supply Unit with integrated rechargeable battery
    • PSU413D+ AP (300524 recommended)
    • PSU413D AP (300525)

Schematic diagram: Supply via PV module

The PV module 10W (301449) is significantly more compact than the PV module 30W (301172), but also offers correspondingly lower performance. It is suitable for installation locations with consistently high solar radiation and for measurement sites with low average energy consumption. This means measurement sites with infrequent transmissions, long measuring intervals and sensors with low power consumption. For all other situations, we recommend using the PV module 30W .

Contrary to the PSU413D AP (300525), the PSU413D+ AP (300524) can also be charged at temperatures below 0°C and is therefore also suitable for installation locations where periods of frost are to be expected. Detailed information on both power supply units is provided in chapter Technical details about the energy supply.