.. _headlabel-refx-data-40:

Data 40 (Shock Value)
=====================

The frame format of the Data **40** unit is as follows:

.. code-block:: none

   For example (Total 4 bytes):
   28 02 07 08

.. tabularcolumns:: |p{3.2em}|p{12.2em}|p{5.8em}|p{13em}|p{4.8em}|

.. table::
   :width: 100%
   :widths: auto

   +---------+--------------------------------------------+---------------+---------------------------------------------+--------------+
   | Parts   | Fields                                     | Length (Byte) | Range/Format                                | Default      |
   +=========+============================================+===============+=============================================+==============+
   | ID      | Data ID                                    | 1             | 28H (40)                                    | 28H (40)     |
   +---------+--------------------------------------------+---------------+---------------------------------------------+--------------+
   | Length  | Data Length                                | 1             | 00H or 02H                                  |              |
   +---------+--------------------------------------------+---------------+---------------------------------------------+--------------+
   | Content | `Shock Value`                              | 2             | 0000H-FFFFH (mg)                            |              |
   +---------+--------------------------------------------+---------------+---------------------------------------------+--------------+

- `Shock Value`

  The shock value when a shock event is detected. The maximum acceleration value when the shock event occurred. Expressed as a 16-bit unsigned integer and the unit is mg.

  For example, 0708H means the acceleration value is 1800mg.