> For the complete documentation index, see [llms.txt](https://docs.yudash.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.yudash.com/yudash-json-api/modbus-settings.md).

# Modbus Settings

## 1)  Modbus/RS485 Settings

### <mark style="color:blue;">modBus</mark><mark style="color:blue;">**Settings**</mark>

Modbus Settings block for first channel of Modbus/RS485

{% code lineNumbers="true" %}

```json
  "modBusSettings": {
    "mbBaudRate": "9600",
    "mbParity": "1",
    "mbSlaveCnt": 1,
    "mbReadTryCount": "1",
    "mbHwSerial": 0
  },
```

{% endcode %}

<table data-full-width="false"><thead><tr><th>JSON key</th><th width="343">Description</th><th>Remarks</th></tr></thead><tbody><tr><td>mbBaudRate</td><td></td><td></td></tr><tr><td>mbParity</td><td></td><td></td></tr><tr><td>mvSlaveCnt</td><td></td><td></td></tr><tr><td>mbReadTryCount</td><td></td><td></td></tr><tr><td>mbHwSerial</td><td></td><td></td></tr></tbody></table>

### <mark style="color:blue;">modBus</mark><mark style="color:blue;">**Slaves**</mark>

Modbus slaves information block for first channel of Modbus/RS485

```json
  "modBusSlaves": [
    {
      "slaveID": "1",
      "mbRegCnt": 1,
      "mbArray": [
        {
          "varName": "MODBUS",
          "mbReg": "40004",
          "varType": "1",
          "varFactor": "1"
        }
      ]
    }
  ],

```

## 2) Modbus TCP/IP Settings

## 3) Modbus RS485 Settings (Channel#2)

## 4) Modbus Server Settings