.. _enum_IO_Modbus_Communication:

2.2.8 I/O & Modbus & Communication
===========================================

**I/O**

.. toctree::
   :maxdepth: 2

   gpio_ctrlbox_digital_index
   gpio_ctrlbox_analog_index
   gpio_tool_digital_index
   gpio_tool_analog_index
   gpio_analog_type
   output_type

**Communcation**

.. toctree::
   :maxdepth: 2

   byte_size
   stop_bits
   parity_check
   encorder_polarity

**Modbus**

.. toctree::
   :maxdepth: 2

   modbus_register_type