# Get Firmware & Hardware version

The server can send the command code to the device (Table 6) and with the next received message the response is received. The device response is described in Table 7.

<table data-header-hidden><thead><tr><th width="138.66666666666669"></th><th></th></tr></thead><tbody><tr><td><strong>Byte index</strong></td><td><strong>Hex value – Meaning</strong></td></tr><tr><td>0</td><td>04 – Read software and hardware version</td></tr></tbody></table>

Table 6

<table data-header-hidden><thead><tr><th width="143.66666666666669"></th><th width="115"></th><th></th></tr></thead><tbody><tr><td><strong>Byte index</strong></td><td><strong>Bit index</strong></td><td><strong>Hex value - Meaning</strong></td></tr><tr><td>0</td><td>-</td><td>04 – The command byte shows that is packet with the device hardware and software version.</td></tr><tr><td>1</td><td>7:4</td><td>X – Device primary hardware version.</td></tr><tr><td>1</td><td>3:0</td><td>X – Device secondary hardware version.</td></tr><tr><td>2</td><td>7:4</td><td>X – Device primary software version.</td></tr><tr><td>2</td><td>3:0</td><td>X – Device secondary software version.</td></tr></tbody></table>

**Example response:** 0x042511 (The keep-alive data is omitted for clarity).

Decoding:

\-       0x04 – Read software and hardware version response

\-       0x25 - Device hardware version – version 2.5

\-       0x11 – Device software version – version 1.1


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