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2 device overview of the rs485 power injector, Device overview of the rs485 power injector – SMA Sensorbox User Manual

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Device Overview

SMA Solar Technology AG

16

Sensorbox-IEN100914

Installation Guide

LED of the Sunny SensorBox

5.2 Device Overview of the RS485 Power Injector

F

"F7: TmpMdul"

connection terminal for the module temperature sensor

G

"F6: TmpAmb"

connection terminal for the ambient temperature sensor

Status

Meaning

Off

• The Sunny SensorBox does not have power.
• during startup, the LED is switched off for 10 seconds
• during a reset, the LED is switched off for 60 seconds

Glows continuously

Sunny SensorBox is connected to the power supply and ready
for operation

Flashes 2x very quickly

Sunny SensorBox is connected to the power supply and
receiving data over the RS485 communication channel.

Flashes every second

firmware malfunction (see section11 ”Troubleshooting”
(page 68)).

Position Designation

Meaning

A

"Power"

connection for the plug-in power supply

B

"Power" LED

LED for the Power Supply

C

"Activity" LED

LED for data traffic

D

"RS485 IN"

connection for the RS485 communication bus

E

"RS485 + Power OUT" connection for the Sunny SensorBox

Position Designation

Meaning