Changes

no edit summary
Line 73: Line 73:  
     <tr>
 
     <tr>
 
         <td>Slave ID</td>
 
         <td>Slave ID</td>
         <td>integer [1..247]; Default: <b>none</b></td>
+
         <td>integer [1..255]; Default: <b>none</b></td>
         <td>Slave ID. Each slave in a network is assigned a unique identifier randging from 1 to 247. When the master requests data from a slave, the first byte it sends is the Slave ID</td>
+
         <td>Slave ID. Each slave in a network is assigned a unique identifier randging from 1 to 255. When the master requests data from a slave, the first byte it sends is the Slave ID</td>
 
     </tr>
 
     </tr>
 
     <tr>
 
     <tr>
Line 96: Line 96:  
         <td>Maximum response wait time</td>
 
         <td>Maximum response wait time</td>
 
     </tr>
 
     </tr>
 +
</table>
 +
 +
===Requests configuration===
 +
----
 +
A Modbus <b>request</b> is
 +
 +
[[File:{{{file_requests}}}]]
 +
 +
<table class="nd-mantable">
 +
    <tr>
 +
        <th>Field name</th>
 +
        <th>Value</th>
 +
        <th>Description</th>
 +
    </tr>
 +
    <tr>
 +
        <td>Name</td>
 +
        <td>string; Default: <b>Unnamed Parameter</b></td>
 +
        <td>Request name. Used for easier management purposes</td>
 +
    </tr>
 +
    <tr>
 +
        <td>Data type</td>
 +
        <td>8bit INT | 8bit UINT | 16bit INT, high byte first | 16bit INT, low byte first | 16bit UINT, high byte first | 16bit UINT, low byte first | 32bit float, Byte order 1,2,3,4 | 32bit float, Byte order 4,3,2,1 | 32bit float, Byte order 2,1,4,3 | 32bit float, Byte order 3,4,1,2; Default: <b>16bit INT, high byte first</b></td>
 +
        <td>Type of data contained in Modbus registers</td>
 +
    </tr>
 +
    <tr>
 +
        <td>Function</td>
 +
        <td>1 | 2 | 3 | 4 | 5 | 15 | 16; Default: <b>3</b></td>
 +
        <td></td>
 +
    </tr>
 +
    <tr>
 +
        <td>First Register</td>
 +
        <td>integer [0..65535]; Default: <b>1</b></td>
 +
        <td>First Modbus register from which data will be read</td>
 +
    </tr>
 +
    <tr>
 +
        <td>Number of Registers</td>
 +
        <td>integer [1..2000]; Default: <b>none</b></td>
 +
        <td>Number of Modbus registers that will be read during the request</td>
 +
    </tr>
 +
    <tr>
 +
        <td>Enabled</td>
 +
        <td>yes | no; Default: <b>no</b></td>
 +
        <td>Turns the request ON or OFF</td>
 +
    </tr>
 +
    <tr>
 +
        <td>Test</td>
 +
        <td>- (interactive button)</td>
 +
        <td>Generates a Modbus request according to given parameters in order to test the request configuration. You must first save the configuration before you can use the Test button</td>
 +
    </tr>
 +
    <tr>
 +
        <td>Delete</td>
 +
        <td>- (interactive button)</td>
 +
        <td>Deletes the request</td>
 +
    </tr>
 +
    <tr>
 +
        <td>Add</td>
 +
        <td>- (interactive button)</td>
 +
        <td>Adds a new request request</td>
 +
    </tr>
 +
 
</table>
 
</table>
    
==Modbus Data to Server==
 
==Modbus Data to Server==
 +
 +
A Modbus <b>master</b> device can request data from Modbus slaves. The Modbus TCP Master section is used to configure Modbus TCP slaves. To add a new slave, enter a custom name, slave's ID, IP address and port and click the "Add" button:
    
[[File:{{{file_add_new_sender}}}]]
 
[[File:{{{file_add_new_sender}}}]]