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Huawei EMMA-A01

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Manufacturer documented GLOBAL перевірено 23 вересня 2026 р.

Identity

category gateways
manufacturer Huawei
model EMMA-A01
region GLOBAL

Electrical

accuracy_class Class 1 (error within ±1%)
Huawei EMMA-(A01, A02) User Manual, Issue 10, 2025-07-25
baud_rate 9600, 19200 or 115200 bit/s
Huawei EMMA-(A01, A02) User Manual, Issue 10, 2025-07-25
ct_secondary_current_a 0.05
Huawei EMMA-(A01, A02) User Manual, Issue 10, 2025-07-25
device_type home energy-management controller with integrated metering (internal CT to 63 A, external CT above)
Huawei EMMA-(A01, A02) User Manual, Issue 10, 2025-07-25
digital_input_count 2
Huawei EMMA-(A01, A02) User Manual, Issue 10, 2025-07-25
direct_current_max_a 63
Huawei EMMA-(A01, A02) User Manual, Issue 10, 2025-07-25
grid_frequency_hz [50, 60]
Huawei EMMA-(A01, A02) User Manual, Issue 10, 2025-07-25
local_modbus_available True
Huawei EMMA-(A01, A02) User Manual, Issue 10, 2025-07-25
max_chargers 2
Huawei EMMA-(A01, A02) User Manual, Issue 10, 2025-07-25
max_inverters 3
Huawei EMMA-(A01, A02) User Manual, Issue 10, 2025-07-25
output_power 12 V @ 100 mA rated; output voltage range 9.5-13.2 V
Huawei EMMA-(A01, A02) User Manual, Issue 10, 2025-07-25
phase_count 1 or 3 (Single-phase / Three-phase three-wire / Three-phase four-wire)
Huawei EMMA-(A01, A02) User Manual, Issue 10, 2025-07-25
physical_interfaces ['RS485', 'Ethernet LAN', 'Ethernet WAN', 'WLAN 2.4 GHz', 'digital inputs', 'dry-contact outputs', 'external CT inputs', 'AC in / AC out']
Huawei EMMA-(A01, A02) User Manual, Issue 10, 2025-07-25
power_consumption_w typical 4
Huawei EMMA-(A01, A02) User Manual, Issue 10, 2025-07-25
rated_voltage_v 100-240 V (single-phase); 346-415 V 3W+N or 3W (three-phase)
Huawei EMMA-(A01, A02) User Manual, Issue 10, 2025-07-25
relative_humidity 5%-95% RH (non-condensing)
Huawei EMMA-(A01, A02) User Manual, Issue 10, 2025-07-25
relay_output_count 2
Huawei EMMA-(A01, A02) User Manual, Issue 10, 2025-07-25
rs485_port_count 2
Huawei EMMA-(A01, A02) User Manual, Issue 10, 2025-07-25
supported_ct_ratios External CT primary side N x 50 A (N >= 2, N an integer); secondary side 50 mA
Huawei EMMA-(A01, A02) User Manual, Issue 10, 2025-07-25
supported_device_types EMMA-A01: PV devices, ESSs and Huawei chargers only (the A02 additionally supports smart loads such as SG Ready heat pumps and smart switches)
Huawei EMMA-(A01, A02) User Manual, Issue 10, 2025-07-25

Physical / mechanical

dimensions_mm 100 (H) x 108 (W) x 65 (D)
Huawei EMMA-(A01, A02) User Manual, Issue 10, 2025-07-25

Installation

mounting DIN 35 mm standard guide rail, power distribution box
Huawei EMMA-(A01, A02) User Manual, Issue 10, 2025-07-25

Environment

max_altitude_m 4000
Huawei EMMA-(A01, A02) User Manual, Issue 10, 2025-07-25
operating_temperature_c -25 to +60
Huawei EMMA-(A01, A02) User Manual, Issue 10, 2025-07-25
storage_temperature_c -40 to +85
Huawei EMMA-(A01, A02) User Manual, Issue 10, 2025-07-25

Interfaces & connectors

documented_ports [{'port_role': 'RS485', 'port_label_from_manual': 'RS485 port (RS485A1/B1, RS485A2/B2 on the 14-pin connector)', 'port_type': 'pluggable terminal', 'direction': 'bidirectional', 'electrical_domain': 'communication', 'quantity': 2, 'document': 0, 'page': 'Technical Specifications / Ports', 'quote': 'RS485 port: Two RS485 ports; baud rates: 9600 bit/s, 19200 bit/s, or 115200 bit/s'}, {'port_role': 'ETHERNET', 'port_label_from_manual': 'LAN port', 'port_type': 'RJ45', 'direction': 'bidirectional', 'electrical_domain': 'communication', 'quantity': 1, 'document': 0, 'page': 'Technical Specifications / Ports', 'quote': 'LAN port: One 10/100 Mbit/s adaptive port; communications cable length ≤ 100 m'}, {'port_role': 'ETHERNET', 'port_label_from_manual': 'WAN port', 'port_type': 'RJ45', 'direction': 'bidirectional', 'electrical_domain': 'communication', 'quantity': 1, 'document': 0, 'page': 'Technical Specifications / Ports', 'quote': 'WAN port: One 10/100 Mbit/s adaptive port; communications cable length ≤ 100 m'}, {'port_role': 'WIFI', 'port_label_from_manual': 'WLAN', 'port_type': 'integrated radio', 'direction': 'bidirectional', 'electrical_domain': 'communication', 'quantity': 1, 'document': 0, 'page': 'Technical Specifications / Ports', 'quote': 'WLAN: RAT and frequency band: 802.11b/g/n (2.4-2.4835 GHz)'}, {'port_role': 'DIGITAL_IN', 'port_label_from_manual': 'DI port (DI1+/-, DI2+/-)', 'port_type': 'pluggable terminal', 'direction': 'input', 'electrical_domain': 'communication', 'quantity': 2, 'document': 0, 'page': 'Technical Specifications / Ports', 'quote': 'DI port: Two DI ports; passive relay dry contact connection supported; communications cable length ≤ 20 m'}, {'port_role': 'RELAY', 'port_label_from_manual': 'DO port (NO1/COM1, NO2/COM2)', 'port_type': 'pluggable terminal', 'direction': 'output', 'electrical_domain': 'communication', 'quantity': 2, 'document': 0, 'page': 'Technical Specifications / Ports', 'quote': 'DO port: Two DO ports, NO and COM contacts supported; communications cable length ≤ 20 m'}, {'port_role': 'CT', 'port_label_from_manual': 'External CT port (IA, IB, IC)', 'port_type': 'pluggable terminal', 'direction': 'input', 'electrical_domain': 'communication', 'quantity': 3, 'document': 0, 'page': 'Technical Specifications / Ports', 'quote': 'External CT port: Three current detection pins: IA, IB, and IC; Secondary side: 50 mA; Primary side: N x 50 A (N ≥ 2, and N is an integer); Communications cable length ≤ 30 m'}, {'port_role': 'AC_IN', 'port_label_from_manual': 'AC-IN (L1-IN, L2-IN, L3-IN, N-IN)', 'port_type': 'screw terminal', 'direction': 'input', 'electrical_domain': 'AC', 'quantity': 1, 'document': 0, 'page': 'Ports / silkscreen definitions', 'quote': 'AC-IN: L1-IN (AC input L1), L2-IN (AC input L2), L3-IN (AC input L3), N-IN (AC input N)'}, {'port_role': 'AC_OUT', 'port_label_from_manual': 'AC-OUT (L1-OUT, L2-OUT, L3-OUT, N-OUT)', 'port_type': 'screw terminal', 'direction': 'output', 'electrical_domain': 'AC', 'quantity': 1, 'document': 0, 'page': 'Ports / silkscreen definitions', 'quote': 'AC-OUT: L1-OUT (AC output L1), L2-OUT (AC output L2), L3-OUT (AC output L3), N-OUT (AC output N)'}]
protocols ['Modbus RTU (RS485)']
Huawei EMMA-(A01, A02) User Manual, Issue 10, 2025-07-25
wifi True
Huawei EMMA-(A01, A02) User Manual, Issue 10, 2025-07-25

Protection

ingress_protection IP2X
Huawei EMMA-(A01, A02) User Manual, Issue 10, 2025-07-25

Документи

manual Huawei EMMA-(A01, A02) User Manual, Issue 10, 2025-07-25
product_page Huawei EMMA (Smart Energy Management Assistant) product page

Додаткові задокументовані параметри

Записано дослівно з джерела; поля схеми для них поки немає.

builder_completenesscomplete
region_notesHuawei publishes one global English user manual covering EMMA-A01 and EMMA-A02; ANMA already holds EMMA-A02 under region GLOBAL.
withheld:ethernet_port_count2
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