Inputs/Outputs Tutorial

Author: Brian Rhodes, Published on Jul 25, 2012

While may cameras have Input/Output (I/O) ports, few are actually used and most designers do not even consider them. However, a good understanding of their flexibility can save hundreds of dollars on complex designs. In this note, we explain camera I/O and how it can be used to expand camera function.

Ways to Use I/0

**** *** **** ******** ** *** *** *** *** */* to ******* **** ************:

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  • ******* / ******: * ****** *** ** **** ** **** ** ********** lights ** ** **** ** ****** ******** ** ** ******* illumination
  • ******: **** *** *** ** ******, *** ********** ****** *** be ********* ** * ******. ****** ******* **** **** ******** or ******* **** *** ** ******** ******* */* ****** **** the *********** ***** ** ****.
  • ********* ***** ******: ** **** *****, ******* ******** **** ***** *** ** configured ** *** ******* ** '******* *******'. *** *******, ************ cameras *** ******* ********* ***** ******* ** *** **** *** that ***** ******* *** ****.

Basics ** */*

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******

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***** ********:*** **** ***** ** ******** ** ****** ***** *******:

*** ***** ***** ***** *** */* ******* *** ******** ***** into ************ *******. *** ****** *********** ** *** '*****' ** 'output' ******** ******* ** *** ******** ******. *******, ****** **** of ********** ** ******** ***** **** *** ******** ******** *** same ***:

*******

****** *** ***-******* ** *******, ******** * ** ** ***/**. This ***** **** */* ******* ******** ******* ****** *** */* devices **** **** **** ******* */** *****. *********, ** ****** produces ********* ** *******, ******** ****** ** - *** **. This ******** ** ******** **** ** * ******* ** ******* signal, *** ******** ******** ******* **** ** ****** ** *** best ********. ** **** *****, *** ******* ******** ********* ** a ******'* */* **** *** ********** *******.

*************:*** ********** **** ***** ********** ***** */* ** ************* '****** behaviors'. ****** ******, ******* ********* ******* ************* ****** **** *** be ****. '****** ********' ************* *** *** ****** **** ***** voltage **** *********. *** ******** ***** *** ******** ************ ** be '*****' (************) ** '******' (**/***). ***** ******* **** ****** of *********** ** ******* *********, ***** ****** ******* **** ****** state (** **/***) ***** ********.

****** ********: ****** ******** ** ******* *******

  • ******
  • *******
  • ********* ***** ******
  • ******: *********** **** ***** ******* ****** *** ******* ******* ** control **** ******* ******* *** *******

I/O ***********

*** *** ****** ********* *** *** ********* ******* */* ************ equally. ** *******, */* **** ******* ** *** ********* **** documented ******* ************ *** ** ******** *** ********. *******, ** our ********** ********** ****** *** *** ****** *** *** **** stable *** ********** ******** **** ****** *****.

*******, ***** */* ** ******* ******* ***** *** ********* ** integrating ********** **** **** **** *** ********. ******* ** *************** manufacturer ********* *******, *** ********** ** *************** * '***-***' ****** solution. **** * ******* **** *** ******** ** ******** ** stops *******, *** ********** ** ***** '** ***** ***' ****** troubleshooting ***** ***********.

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