Grounding The Shield Of The Data Cable; Terminate The Rs485 Bus In The Sunny Central String-Monitor - SMA SUNNY CENTRAL STRING-MONITOR US Technical Description

Communication connector
6.2.2 Grounding the Shield of the Data Cable
The shield of the data cable is placed on the shield rail (F)
in the Sunny Central String-Monitor.
1. Put the cable shield onto the shield rail.
2. Put the shield clamp (G) on the shield of the data
cable and connect it with the shield rail (H).
3. Hand-tighten the screw at the shield clamp (4.4 in-
lb (0.5 Nm)).
4. Close the Sunny Central String-Monitor.
☑ The data cable is grounded.
6.2.3 Terminate the RS485 bus in the Sunny Central String-Monitor
Only set the termination if the Sunny Central String-Monitor is at the end of the RS485 communication
bus. The termination is made using a termination resistor plug. The termination resistor plug is included
in delivery.
1. Opening the Sunny Central String-Monitor
2. Set the termination resistor plug in the free socket in
the Sunny Central String-Monitor.
3. Close the Sunny Central String-Monitor.
34 SSMUS-TUS094511
SMA Solar Technology AG
Technical Description