Solax

支持的设备

Device Type	Modbus TCP (Ethernet)	RS485	Curtailment
Solax X1 Hybrid G4	✅	✅	❌
Solax X3 Hybrid G4
Solax IES
Solax ESS-TRENE	⌛ (计划中)	⌛ (计划中)	✅
Solax ESS-AELIO

安装

第三方文档

以下文档摘自 homeassistant-solax-modbus 公开的 GitHub 仓库。 原始文档可以在 这里 找到。 对文档的作者给予了感谢。

注意：以下文档并非为 SmartgridOne Controller 专门定制，而是提供了如何设置 Solax 逆变器的 Modbus 通信的一般说明。

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连接方法

• SolaX G2 和 SolaX G3 混合器具有内置以太网接口（Qcells Q.VOLT HYB-G3-3P 尽管命名为 G3，但实际上是 SolaX G4）。
• SolaX G4 和其他设备没有内置以太网，通信可以通过串行 RS485 COM 端口进行。
  • SolaX 设备仅适用 - 不是所有 SolaX 加密狗都提供 Modbus 通信，支持的最低 PocketWiFi 是 PocketWiFi 3.0，PocketLAN 不提供 Modbus 连接。
  • RS485 到以太网适配器 - 连接逆变器的最佳方式。
  • RS485 到 USB 适配器 - 不推荐使用，可能会导致 HA 错误。
  • Solis 适配器 - 见下文

RS485 接口仅使用引脚 4（蓝线）和引脚 5（白蓝线）。极性很重要，因此请确保引脚 4（典型电缆中的蓝线）连接到适配器的 A 引线，引脚 5（白蓝线）连接到适配器的 B 引线。

RS485 电缆可以相当长，因此可以达到 25 米或更长。您可以使用标准 cat5 或 cat6 电缆的蓝对。

确保您通过 Wiki 页面 验证逆变器的波特率，并确保它与以太网到 RS485 适配器的波特率匹配。 您可以在逆变器前面的 LCD 屏幕上的菜单中确认波特率。

默认情况下，Modbus 地址为 1。一些人报告他们的 Modbus 地址为 4。

注意：该工作基于 X1 和 X3 设备的通用协议文档。文档并不总是清楚哪些参数不适用于 X1 逆变器，因此某些出现的实体可能在 X1 上没有意义。您可以报告此问题，以便为 X1 移除这些实体。

G4 逆变器上标有 COM 的端口，某些用户手册错误地声称这是以太网端口。

请不要将此 COM 端口连接到以太网交换机 - 如果您这样做，以太网交换机端口将会损坏!!!

Waveshare RS485 到 ETH (B)

• 通过以太网连接到您的家庭网络路由器/交换机

• 使用 "vircom" 工具（Windows）设置与您局域网匹配的 IP 地址（或让设备使用 DHCP，默认情况下不使用 DHCP，但我们推荐使用静态 IP）

• 将其配置为使用 "Modbus TCP 到 RTU"，确保工作模式为 "TCP 服务器"，服务器监听端口 502。确保波特率与您的逆变器的波特率匹配（参见：设置 > 高级设置 > modbus > 波特率）

• 在 "更多高级设置..." 中，

  • SolaX 设置 Modbus 网关类型为 "简单 Modbus 到 TCP/IP 模式"
  • Sofar Solar & 可能的 Growatt 设置 Modbus 网关类型为 "自动查询存储类型"
  • 所有其他参数可以保持默认

• 您可以通过打开适配器的网页验证配置。它应该显示类似于：

• 在不太可能的情况下，如果您将多个逆变器连接到一个 RS485 适配器，您可能需要修改多主机标志（未经测试）。系统将增加消息之间的间隔，这会降低通信吞吐量。确保轮询间隔足够长（活动指示灯不应一直亮）。

• 如果一切正常，PWR LED 应为红色，LINK LED 初始为绿色，加 HA 建立连接后会变为常亮蓝色。ACT LED 应大部分时间熄灭，但每 15 秒会短暂闪烁绿色（发送）和蓝色（接收）（默认轮询间隔）。根据 Waveshare 文档：

  • 如果链接灯不是绿色，则网络电缆未正确连接，请检查网络电缆。
  • 如果链接灯不是蓝色（仅考虑 TCP 工作模式），则主计算机软件没有建立与串口服务器的连接，请考虑 IP 地址是否配置在同一网络段。
  • 如果活动灯是绿色，这意味着网络端口正在发送数据，但没有串行设备返回数据。请检查波特率是否配置正确，以及 RS485 正负连接是否反向。

在配置 SolaX Modbus 集成时，请指定 Waveshare 设备的网络 IP 地址，而不是 SolaX 的地址。 不要勾选串行 RS485 标志；在此设置中，串行端口会被忽略。

USB 到 RS485 适配器

• 直接通过 USB 连接到您的 HA 系统
• 这种低成本模型可以在各种电子商店找到，搜索 USB RS485
• 芯片组 CH340C（带有 FTDI FT232 芯片组的类似产品也应能正常工作，但成本更高）

在配置 SolaX Modbus 集成时，请勾选 'RS485 串口' 标志，并指定实际的串口名称（如在 'ls /dev/ttyUSB*' 的输出中所见）。如果您有多个 USB 设备，使用在 'ls /dev/serial/by-id' 的输出中看到的名称更为合理。在此设置中，IP 地址和 TCP 端口无关紧要，使用 'localhost' 作为 IP 地址，TCP 端口保持默认 502。

多个逆变器连接到一个 RS485 适配器 & 终端电阻

将多个逆变器连接到同一个 RS485 适配器（例如 Waveshare）应该是可行的。逆变器必须具有不同的 Modbus 地址，因此您需要先更改逆变器的 Modbus 地址。然后为每个逆变器配置一个实例。配置对话框允许您设置 Modbus 地址。

连接多个逆变器时需要使用终端电阻。在 RS485 适配器的 A&B 之间放置一个 120欧姆电阻，并在最后连接的逆变器的 A&B 之间放置一个 120欧姆电阻。

SolaX PocketWiFi 3.0

此接口需要更多测试，无法保证正常工作：

• 将加密狗连接到您的 Wi-Fi 网络
• 将固件更新到最新版本
• 使用加密狗的 IP 和其他默认设置进行集成。

功能和依赖关系的比较：