.. _constants_io_configuration:

2.1.4 I/O Configuration Constants
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   * - **Name**
     - **Value**
     - **Description**
   * - NUM_DIGITAL
     - 16
     - Number of digital I/O channels on the controller (version 2).
   * - MAX_DIGITAL_BURST_SIZE
     - 16
     - Maximum number of digital channels that can be read or written in a burst (v2).
   * - NUM_ANALOG
     - 2
     - Number of analog input channels on the controller.
   * - NUM_SWITCH
     - 3
     - Number of hardware switches supported (e.g., operation mode, panel selectors).
   * - NUM_SAFETY_IN
     - 2
     - Number of safety input channels (v2).
   * - NUM_ENCORDER
     - 2
     - Number of external encoder channels supported.
   * - NUM_POWER_OUT
     - 1
     - Number of power output channels.
   * - NUM_SAFETY
     - 8
     - Number of safety-related I/O points.