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Identification: MD-AL-GI-00
Rev. 1.1 of 15/03/2021 - Application: GID
User’s Manual 3PH 50000TL-60000TL-V1
Rev. 1.1 15/03/2021
10.4.7.5.
Connecting the LM2-485 PRO cell irradiance and
temperature sensor to the datalogger
For proper installation, make sure to connect the sensor signal cable and the power cable.
In particular, the sensor of the signal cables must be connected in a daisy chain configuration to the
remaining devices on the RS485 bus, as shown in the table below.
Datalogger SIDE
BUS Signal
SENSOR SIDE
(ZSM-IRR-TEMP-LM2)
Inverter SIDE
D+
terminal
+
RS485
+IB
terminal
+Tx
terminal
D–
terminal
-
RS485
-IA
terminal
-Tx
terminal
To supply power to the sensor, the datalogger can be directly connected to the mains power, as shown in the
table below, or connected to an ex12Vdc power supply.