SMA METER CONNECTION BOX - Manual (Page 15)

SMA Solar Technology AG Electrical Connection
Installation Guide METERBOX-IEN110611 15
6.3 Connecting the Meter Connection Box to the RS485
Communication Bus
1. Remove 4 cm of the cable sleeve.
2. Shorten the cable shield to 1.5 cm.
Permanently off Energy meter is not being read out*
No meter pulses are being received from the energy meter.
Depending on the energy meter type connected (see page 23),
this means:
• no energy consumption
• no grid feed-in
• no PV yield
* If meter pulses are being received from the energy meter and the "Pulse" LED is still glowing continuously or is permanently off,
refer to section 10 "Troubleshooting" (page 21).
Item Description
A Sunny WebBox
B Inverter
C Meter Connection Box
D Energy meter
Information on the RS485 Cabling
See the RS485 cabling plan poster for information on RS485 cabling.
"Pulse" LED (yellow)
Status
Meaning