User’s Manual 1PH HYD3000-HYD6000-ZP1
Rev. 1.0 01/09/2023
Identification: MD-AL-GI-00
Rev. 1.1 of 27/01/2023 - Application: GID
185/193
15.6.5.
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.
Datalogger SIDE
SENSOR SIDE
V1
terminal
(12Vdc output voltage)
RED +12V
Terminal
GND
terminal
(GND/RTN)
BLACK 0V
Terminal
V2
terminal
(12Vdc driveable voltage)
Table 4: Electrical connection of the sensor to the datalogger (power supply)