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Appendix
External temperature sensor for the PR 2020-IP
In order to fully charge a lead battery, the end-of-charge voltage must be adjusted in
accordance with the temperature. The external temperature sensor TSRIP8 is needed, if
the range of the battery temperature is outside the standard range of 10 ... 25 °C. The
external sensor can record the actual temperature of the battery. The temperature com-
pensation is used to adjust the end-of-charge voltage using the factor -4 mV/K/Cell.
If the connection of the sensor to the regulator is interrupted, the regulator will
automatically use the standard charge voltage. If the cable short circuits, the regulator
displays the fault E04.
Please use only this kind of temperature sensor (33 kΩ). Using an incorrect sensor could
damage the device and/or the battery!
The sensor should be plugged into the terminals #1 and #2 in the upper left corner. The
socket is provided with the sensor, the contacts have no polarity. For the connection you
can use each cable with a diameter of 0.5 mm² or more.
#1, #2
terminals for the
temperature sensor
#3, #4
Alarm contact
Содержание PR 2020 IP65
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