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Connecting the sensors<br />
!<br />
· Optional irradiation sensor<br />
The optional addition of an irradiation<br />
sensor (type Si-01TC-T from Ing.-Büro<br />
Mencke & Tegtmeyer ) with integrated<br />
PT-100 temperature sensor for temperature<br />
measurement enables recording of<br />
the irradiation data and the corresponding<br />
module temperature in the cycle<br />
of the internal data memory.<br />
Before you connect an irradiation sensor,<br />
you must remove the cover of the <strong>solar</strong><br />
inverter. Please note that the inputs and<br />
outputs are not short-circuit resistant.<br />
Note chapter 2.1 «Safety information»!<br />
The optional irradiation sensor with temperature<br />
probe is connected to cable<br />
terminal block X401 in the lower section<br />
of the board.<br />
This additional measuring unit helps with<br />
analysis of the system. On the basis of the<br />
values, possible errors in the PV generator,<br />
such as e.g. shading or failure of <strong>solar</strong> cells,<br />
can be detected.<br />
For demonstration purposes, the irradiation<br />
sensor and the corresponding data<br />
can be used to show how a PV system<br />
functions. In conjunction with the<br />
<strong>Sunways</strong> NT Monitor visualisation software,<br />
the stored data can be displayed.<br />
(Fig.) Connection block for the irradiation<br />
sensor<br />
116
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