5.2.6
Battery temperature sensor connection (nx-tempSensor)
The operating voltages for lead batteries vary depending on the temperature. A temperature sensor
is available to correct the battery voltage and guarantee an optimum charge in function of battery
temperature.
The temperature range of the sensor is from -30°C to 55°C. The default
temperature compensation for lead acid batteries when a sensor is
plugged is -3mV/°C/cell compared to 25°C. For a 48V battery this is
72mV/°C. See the configuration section of this manual for
modification of the temperature coefficients.
The temperature sensor nx-tempSensor is supplied with a 10m cable
and the proper male connector beside. The connection has no
polarity and can be done in one or the other direction without
preference. The sensor should be placed as close as possible of the
battery
The temperature sensor is automatically recognised, and the
correction of the voltage thresholds applied immediately in case of non-communicating battery. If
a communicating battery is used the temperature measures by this sensor is not taken into account
as the temperature is directly given by the BMS. The nx-tempSensor temperature is recorded in the
datalog.
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