咸鱼买了一个intelbros ECM2024的太阳能控制器，实际上这个控制器是跟硕日ML2420一样的 软件也是用的硕日的，本次所测试内容仅限于这个型号。
使用一块esp32-c3模块+232转ttl模块+6针电话头子连接
连线部分：
esp32-c3模块使用esphome固件 modbus协议 开起WEB管理
Renogy Modbus
| Attribute/名称 | Address/地址 | Scale/精度 | Units/单位 | Notes |
|---|---|---|---|---|
| SYS_MAX_VOLTS | 0x00A | 1 | V | High order byte |
| SYS_MAX_AMPS | 0x00A | 1 | A | Low order byte |
| SYS_MAX_DISCHARGE | 0x00B | 1 | A | High order byte |
| SYS_TYPE | 0x00B | 1 | – | |
| BATT_SOC | 0x100 | 1 | % | – |
| BATT_VOLTS | 0x101 | 0.1 | V | – |
| CHARGING_AMPS | 0x102 | 0.01 | A | – |
| CONTROLLER_TEMP | 0x103 | 1 | C | – |
| LOAD_WATTS | 0x106 | 1 | W | – |
| PANEL_VOLTS | 0x107 | 0.1 | V | – |
| PANEL_AMPS | 0x108 | 0.01 | A | – |
| PANEL_WATTS | 0x109 | 1 | W | – |
| BATT_MIN_VOLTS | 0x10B | 0.1 | V | – |
| BATT_MAX_VOLTS | 0x10C | 0.1 | V | – |
| DAY_CHARGE | 0x10F | 1 | W | – |
| DAY_DISCHARGE | 0x110 | 1 | W | – |
| DAY_GEN_POWER | 0x113 | 1 | W | – |
| DAY_CON_POWER | 0x114 | 1 | W | – |
| UPTIME_DAYS | 0x115 | 1 | – | |
| BATT_FULL_COUNT | 0x117 | 1 | – | |
| CHARGING_STATE | 0x120 | 1 | – | |
| BATT_CAPACITY | 0xE002 | 1 | W | – |
| SYS_BATT_VOLTS | 0xE003 | 1 | V | – |
| RECON_BATT_VOLTS | 0xE003 | 1 | V | – |
| BATT_TYPE | 0xE004 | 1 | – | |
| OVER_VOLTS | 0xE005 | 0.1 | V | – |
| CHARGE_VOLTS | 0xE006 | 0.1 | V | – |
| EQUALIZE_VOLTS | 0xE007 | 0.1 | V | – |
| BOOST_VOLTS | 0xE008 | 0.1 | V | – |
| FLOAT_VOLTS | 0xE009 | 0.1 | V | – |
| BOOST_RECOV_VOLTS | 0xE00A | 0.1 | V | – |
| DISCH_RECOV_VOLTS | 0xE00B | 0.1 | V | – |
| UNDER_WARN_VOLT | 0xE00C | 0.1 | V | – |
| OVER_DISCH_VOLTS | 0xE00D | 0.1 | V | – |
| DISCH_WARN_VOLTS | 0xE00E | 0.1 | V | – |
| BOOST_TIME | 0xE012 | 1 | – |
