# L\&T WL 4040

<table><thead><tr><th width="327">Parameter</th><th>Description</th></tr></thead><tbody><tr><td>Instrument Type</td><td>Dual Source Energy meter</td></tr><tr><td>Model Number</td><td><a href="https://www.lntebg.com/ems/pdf/4.%20WL-WC%204040%20Dual%20Source%20meter.pdf">WL-4040</a></td></tr><tr><td>Brand</td><td>Larsen and Toubro</td></tr><tr><td>Category</td><td>Energy Meters</td></tr><tr><td>Protocol</td><td>RS485/Modbus </td></tr><tr><td><strong>Modbus/RS485 Setting</strong></td><td></td></tr><tr><td>Default Baud Rate </td><td>9600 8N1</td></tr><tr><td>Typical Data Type</td><td>Float LSB</td></tr></tbody></table>

## Communication Wiring

<figure><img src="https://1858257737-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FToww5EM1cml3ouN6fvnJ%2Fuploads%2FkcCLLoWeuWTSrXCKYSyz%2F34.jpg?alt=media&#x26;token=b15e2c06-4fe8-4b19-b0da-c7ba3b1822c2" alt=""><figcaption></figcaption></figure>

## Modbus Configuration in YuDash

<figure><img src="https://1858257737-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FToww5EM1cml3ouN6fvnJ%2Fuploads%2FuYlx0UxUiZk4j6qbNMDn%2F35.jpg?alt=media&#x26;token=975981cb-410c-47b9-b571-7850342597c3" alt=""><figcaption></figcaption></figure>

## Instrument Read in Modscan Software

<figure><img src="https://1858257737-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FToww5EM1cml3ouN6fvnJ%2Fuploads%2FovUPAyedLaMxu5PJ6lxQ%2F36.jpg?alt=media&#x26;token=0b246187-fc63-403f-89be-2d155f4de329" alt=""><figcaption></figcaption></figure>