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EMMA-(A01, A02)
User Manual
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2.3 Appearance
Appearance and Ports
Figure 2-3 Appearance description
(1) AC output port (L1 OUT/L2
OUT/L3 OUT/N OUT)
(3) 12 V input/RS485 communication/
external CT input port (12V_IN/
RS485/CT Input)
(5) AC input port (L1 IN/L2 IN/L3 IN/N
IN)
(7) LAN port (LAN)
Issue 01 (2023-09-15)
A maximum of two chargers can be connected.
–
If there is only one charger, it can be directly connected to the EMMA
through the FE port or connected to the router through the FE or WLAN
port.
–
If there are two chargers, they must be connected to the router only
through the FE or WLAN port. Do not connect one charger to the EMMA
and the other charger to the router respectively at the same time.
The EMMA directly controls the SG Ready heat pump through dry contacts or
an external relay.
Smart switch devices (including smart sockets, smart circuit breakers, and
smart relays) can be connected to the router through the FE or WLAN port.
Copyright © Huawei Digital Power Technologies Co., Ltd.
2 Product Description
(2) External WLAN antenna port
(ANT)
(4) RS485 communication/DI/12 V
output/DO port (RS485/DI/12
V_OUT/DO)
(6) WAN port (WAN)
(8) LED indicator/RST button
14
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