6 electrical connection, 1 device overview, 2 led overview – SMA METER CONNECTION BOX User Manual
Page 14: Electrical connection, Device overview, Led overview, 1 device overview 6.2 led overview
Electrical Connection
SMA Solar Technology AG
14
METERBOX-IEN110611
Installation Guide
6 Electrical Connection
6.1 Device Overview
6.2 LED Overview
Item
Description
Meaning
A
"RS485"
Terminal for the RS485 communication bus
B
"Power"
Connection for the plug-in power supply
C
"Ready"
"Ready" LED for the power supply
D
"Pulse"
"Pulse" LED for transmitting measurement data using meter pulses
E
"S0"
S0 terminal
"Ready" LED (green)
Status
Meaning
Flashes
Communication is now taking place via the RS485
communication bus.
Glows continuously
Voltage is ok.
"Pulse" LED (yellow)
Status
Meaning
Flashes
Normal operation
Meter pulses are being received from the energy meter.
Glows continuously
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