> For the complete documentation index, see [llms.txt](https://enless.gitbook.io/centre-aide/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://enless.gitbook.io/centre-aide/guides-installation/documentation-en/sensors/editor-21/general-information.md).

# General information

TX MODBUS: general information

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<figure><img src="https://1715332350-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F3HoPKoOlgG9Qj4E6fu0w%2Fuploads%2FrHYm3b6IGd4Wp8QkA7Ul%2F500_302_FrontView.png?alt=media&amp;token=020c6c24-d79e-426a-b224-a814d34a1a07" alt=""><figcaption></figcaption></figure>
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Designed for reading or writing Modbus slave registers, the Modbus master transmitter can handle up to 60 registers across a maximum of 10 slaves. Typically used for remote energy meter readings, it can be used with any type of Modbus slave (AHU, rooftop unit, etc.).&#x20;

Compatible with the LoRa Easy protocol (Enless proprietary protocol), it communicates with an Enless LoRa Easy Modbus receiver to create a wireless Modbus bridge.

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The TX MODBUS is not compatible with LoRa Easy RX BACNET receivers.
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This product comes with a 24-month warranty.
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### Specifications

<table data-header-hidden><thead><tr><th width="228.67578125"></th><th></th></tr></thead><tbody><tr><td><strong>Supported protocols</strong></td><td>LoRa Easy (Enless proprietary protocol)</td></tr><tr><td><strong>Frequency</strong></td><td>EU868 <mark style="color:$tint;">(TX MODBUS 600-041)</mark><br>US915 <mark style="color:$tint;">(TX MODBUS 600-141)</mark></td></tr><tr><td><strong>Identifiers</strong></td><td>LoRa Easy: LoRa ID</td></tr><tr><td><strong>Transmission power</strong></td><td>25 mW (14 dBm)</td></tr><tr><td><strong>Radio antenna</strong></td><td>Supplied 1/4-wave antenna<br>Connect to the SMA connector</td></tr></tbody></table>

<table data-header-hidden><thead><tr><th width="235.28515625"></th><th></th></tr></thead><tbody><tr><td><strong>Enclosure protection rating</strong></td><td>IP60</td></tr><tr><td><strong>Mounting</strong></td><td>Wall-mounted (screwed), cable tie, DIN rail</td></tr><tr><td><strong>Operating temperature</strong></td><td>-20 / +55°C</td></tr><tr><td><strong>Power supply</strong></td><td><p>External</p><p>7.5 to 24 VDC (typically 12 V, 1 A)</p></td></tr><tr><td><strong>Antenna connector</strong></td><td>SMA</td></tr></tbody></table>

<table data-header-hidden><thead><tr><th width="226.40625"></th><th></th></tr></thead><tbody><tr><td><strong>Interface</strong></td><td>RS485</td></tr><tr><td><strong>Supported function codes</strong></td><td><p>01: Read Coil register</p><p>03: Read Holding register</p><p>04: Read Input register</p><p>05: Write single coil</p><p>06: Write single register</p><p>15: Write multiple coils</p><p>16: Write multiple registers</p></td></tr><tr><td><strong>Number of registers</strong></td><td>Read/write up to 60 registers</td></tr><tr><td><strong>Number of slaves</strong></td><td>Registers distributed across a maximum of 10 slaves</td></tr></tbody></table>

### Dimensions

<div align="left"><figure><img src="https://1715332350-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F3HoPKoOlgG9Qj4E6fu0w%2Fuploads%2FgfW2lO2Qvet3R8adhpMo%2F600_041_Plans_Full.png?alt=media&amp;token=d1c8cd16-9f3d-42bf-af59-9afa6dca98ad" alt=""><figcaption></figcaption></figure></div>

### Identification label

<figure><img src="https://1715332350-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F3HoPKoOlgG9Qj4E6fu0w%2Fuploads%2FtTgTOsDLlB4PghfAWs13%2FE%CC%81tiquette%20technique%20blanche%20sur%20fond%20transparent.png?alt=media&amp;token=fe27587c-08c2-4c05-a67d-1b524d0f6bdd" alt=""><figcaption><p>Example; the product reference may vary depending on the model</p></figcaption></figure>

### Legal notices for 915 MHz sensors

<table><thead><tr><th>English</th><th valign="top">French</th></tr></thead><tbody><tr><td><p>This device complies with part 15 of the FCC Rules and with Innovation, Science and Economic Development Canada licence-exempt RSS standard(s). Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) This device must accept any interference received, including interference that may cause undesired operation.<br></p><p>NOTE: The grantee is not responsible for any changes or modifications not expressly approved by the party responsible for compliance. Such modifications could void the user’s authority to operate the equipment.<br></p><p>NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:<br></p><ul><li>Reorient or relocate the receiving antenna.</li><li>Increase the separation between the equipment and receiver.</li><li>Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.</li><li>Consult the dealer or an experienced radio/TV technician for help.<br></li></ul><p>CAN ICES-003(B) / NMB-003(B)</p></td><td valign="top"><p>The licence-exempt transmitter/receiver contained in this device complies with Innovation, Science and Economic Development Canada’s applicable licence-exempt Radio Standards Specifications. Operation is permitted under the following two conditions:</p><p>1. The device must not cause interference.<br><br>2. The device must accept any radio interference received, even if the interference may impair its operation.<br></p><p>CAN ICES-003(B) / NMB-003(B)</p></td></tr></tbody></table>


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