Connecting The I/O Box And Weather Station (Optional); Connecting The Inverter Manager To The Voltage Supply - SMA INVERTER MANAGER Instrucciones De Instalación

SMA Solar Technology AG
3.3.5 Connecting the I/O Box
and Weather Station
(Optional)
Do not connect during operation
Do not connect the I/O Box or the weather
station to the Inverter Manager during
operation. Errors might occur that cannot be
detected immediately.
• Disconnect the Inverter Manager from
voltage sources.
Pin assignment of the serial interface (RS485) at the
Inverter Manager:
1 2 3 4
7
6 8
igure 5: Pin assignment of the serial interface
The I/O Box must be connected to port 2 of the
Inverter Manager. Termination for the RS485
interface is not necessary.
Pin
1
2
3
4
5
6
7
8
Interfaces and Data of the Weather
Station
Only one weather station can be connected to each
Inverter Manager. The weather station must be
connected to port 1 of the Inverter Manager. A
maximum of two temperature sensors are supported.
Installation Manual
5
9
Assignment
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---
DataB(+)
DataA(-)
GND
---
---
---
The following data of the weather station are
provided by the Inverter Manager:
Meteorologi SunSpec
cal data Modbus
TCP
Ambient yes
temperature
and PV
temperature
Wind yes
direction and
wind speed
Horizontal yes
irradiation
Inclined no
irradiation
3.3.6 Connecting the
Inverter Manager to the
Voltage Supply
Danger to life due to electric shock from
touching an ungrounded product
Touching an ungrounded product can cause a
lethal electric shock.
• Ensure that the product is integrated into the
existing overvoltage protection.
• Ground the enclosure of the product.
Procedure:
To connect the Inverter Manager to the voltage
supply, perform the following actions in the specifed
order.
• Connect the grounding conductor to the
Inverter Manager.
• Connect the power supply unit.
IMVIOBOX-IA-xx-18
3 Inverter Manager
LCS-Tool Sunny
/ FTP Portal
Push
yes yes
yes yes
yes If inclined
irradiation
is not
available
yes yes
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