Connecting The Sunny Sensorbox To Another Sunny Sensorbox - SMA SUNNY SENSORBOX Installation Manual

SMA America, LLC
21. If necessary, connect another Sunny SensorBox or RS485 bus node (see pages 51 or 55).
22. Check the RS485 cabling plan poster to find out whether the terminating resistor has to be
plugged into the "RS485 F2: OUT" terminal.
23. Close the Sunny SensorBox (see page 66).
☑ The RS485 Power Injector is connected to the Sunny SensorBox.
7.5.4 Connecting the Sunny SensorBox to another Sunny
SensorBox
You can add an additional Sunny SensorBox to the Sunny SensorBox. If you add another
Sunny SensorBox, note that you can use the RS485 Power Injector to supply power to up to five
Sunny SensorBoxes in total.
Connection to an installed Sunny SensorBox
NOTICE
Metal or cable scraps could fall into the open device while working on the device.
Damage to the Sunny SensorBox will result.
• Remove all metal scraps from the cable shield or cable from inside the Sunny
SensorBox before closing the device.
1. Open the Sunny SensorBox (see page 66).
2. Remove the termination resistor for "F2: OUT RS485"
on the installed Sunny SensorBox.
Installation Manual Sensorbox-eng-IA-IUS-112515
Startup
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