5.7.3 External Ambient Temperature Sensor Connection
RHINO2 provides support for an external temperature sensor that can be connected to the
charging/programming connector between pin 3 (External Ambient Temperature Sensor
Input)and pin 1 (Battery Negative) — see Figure 21.
Figure 21: Connecting an NTC thermistor ambient temperature sensor
Connect an NTC thermistor
‡1
with a R
25
value of 33 kΩ and a B
25/85
value of 4090 K.
The temperature data is transmitted on two single-wire communication pins: pin 14 on the
tiller head connector (TH14) and pin 4 on the battery charging and programming connector
(BC4). For more information, see 7.7 Status Information — Single Wire Communications.
Note
‡1: The recommended thermistor is manufactured by Vishay, part number NTCLE100E3333JB0: Thermistor,
NTC, 33 kohm, NTCLE Series, 4090 K, Through Hole, Radial Leaded.
GBK51948 RHINO2
Installation Manual Issue 5
Installation and testing - Page 33