Electrical Connection
SolarTemp 850 / 851
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© SIKA • Ba_SolarTemp850_851 • 04/2022
5.2 Transmitter
SolarTemp 850 / 851
Analogue output
Current signal
4…20 mA / 2-wire
Loop supply
15…26 VDC
Scaling
≙
0…650 °C •
≙
0…300 °C
Signal error
- Sensor break
- Short circuit
> 21 mA (NAMUR NE43)
< 3,6 mA (NAMUR NE43)
Load
R
a
=(U
b
- 15 V) / 21 mA
Linearity deviation
< 0.1 % FS
EMC
according to GL guidelines for the performance of type tests,
test requirements for electrical / electronic equipment and sys-
tems
Connection
Screw the plug of the connection cable onto the socket on the SolarTemp 850 / 851.
Tighten the knurled nut of the plug with a tightening torque of max. 1 Nm.
Wiring
The transmitter output is protected against polarity reversal so no damage to the device may
occur if the connections are reversed.
Pin assignment:
Pin 1: GND/Sig- (brown)
Pin 3: +UB/Sig+ (blue)
SIKA connection cable:
Note: The colours refer to connection cables by SIKA
