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General ModBus Climate Component for HomeAssistant

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General ModBus Climate Component for HomeAssistant

通用 ModBus 空调插件,支持通用 ModBus 协议的空调(已知大金、美的等可以用),包括走网络 TCP 的。比 HA 官方做的更通用、更好。

1. 安装准备

zhimodbus 放入 custom_components;也支持在 HACS 中添加自定义库的方式安装。

2. 配置方法

参见 我的 Home Assistant 配置configuration.yaml

modbus:
  type: rtuovertcp
  host: 192.168.x.x
  port: 8899

climate:
  - platform: zhimodbus
    name: [餐厅空调, 客厅空调, 主卧空调, 儿童房空调]
    fan_mode: { registers: [6, 10, 14, 18] }
    fan_modes: { 自动: 0, 一档: 1, 二档: 2, 三档: 3, 四档: 4, 五档: 5 }
    hvac_mode: { registers: [5, 9, 13, 17] }
    hvac_modes: { 'off': 0, cool: 1, heat: 2, dry: 3, fan_only: 4 }
    hvac_off: { registers: [1, 2, 3, 4], register_type: coil }
    target_temperature: { registers: [4, 8, 12, 16] }
    temperature: { registers: [3, 6, 9, 12], register_type: input, scale: 0.1 }
climate:
  - platform: zhimodbus
    hub: ModBus,
    name: [Daikin1, Daikin2, Daikin3, Daikin4],

    fan_modes: { auto: 0, 一级: 1, 二级: 2, 三级: 3, 四级: 4, 五级: 5},
    hvac_modes: { 'off': 0, cool: 1, heat: 2, dry: 3, fan_only: 4 },
    preset_modes: { away: 0, home: 1 },
    swing_modes: { off: 0, both: 1, vertical: 2, horizontal: 3},
    aux_heat_off_value: 0,
    aux_heat_on_value: 1,
    aux_hvac_off_value: 0,
    aux_hvac_on_value: 1,

    aux_heat: { registers: [?, ?, ?] },
    fan_mode: { registers: [?, ?, ?] },
    humidity: { registers: [?, ?, ?] },
    hvac_mode: { registers: [?, ?, ?] },
    hvac_off: { registers: [?, ?, ?] },
    preset_mode: { registers: [?, ?, ?] },
    swing_mode: { registers: [?, ?, ?] },
    target_humidity: { registers: [?, ?, ?] },
    target_temperature: { registers: [?, ?, ?] },
    temperature: { registers: [?, ?, ?] }

其中 registers 是批量配置(即多个空调),当然也可以是单个的寄存,register: ?。完整的寄存器配置格式和 HomeAssistant ModBus Sensor 一致(但 ZhiModBus 支持了批量 registers):

{ registers: [3, 6, 9, 12], register_type: input|holding|coil, slave:1, scale: 0.1, data_type: float|int|uint|custom, count: 1, structure: '>i'}

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3. 需要的 ModBus RTU 模块

大金、美的、日立、海信等中央空调通用的方案,ModBus RTU 模块(价格 980 RMB,涨价到 2800 了?),再买了个“有人”牌的 485 串口转 WIFI 的模块(价格 199 RMB,墙裂推荐,一看就是认真做事的公司的产品),1180 RMB 搞定了。

网上没有现成的方案,过程中全部自己接线、调试,差点快被难度吓到放弃了——终于搞定了,简直是不可能完成的任务...

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4. 参考

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