NI Analog Port Element

Modified on 2018/08/02 23:13 by Administrator — Categorized as: Communications, Elements

Summary

Element Icon NI Analog Port
Info
Category: Communication AddIn: AddIn_NI
Creator: OkazoLab Scope: Parent event
Owns Snippets: None Usage: Snippets

Properties

NameDescription                              ConstraintsTypeOn
runtime
change
Port Settings
Analog Port        Selected port on the NI board                String         
Sample Rate        Define a analog sampling rate in number of samples per second                Double         
Working Mode        Defines a working mode for the element.Select the 'AutoOutput on event onset' mode for sending signals synchronously with an onset of the parent event,or 'Triggering on input' mode for catching the particular pattern in port input. For custom reading/writing scenarios use the 'Manual IO' mode, in which port communication can be controlled by your code.                stPara..         
DAQ settings
Voltage Range        Defines the voltage range (in volts) for the port output. The chosen range must be supported by the NI board, otherwise the port communications will fail. The standard range is 0..5                clRange         
Output
Signal Profile        Defines the time-amplitude profile of the output signal.'Level Change', 'Pulse' and 'TTL' profiles are available                stPara..         
Preface Duration        Defines the duration (ms) of the guarantied zero preface interval for the TTL or Pulse signals. Increase the preface duration marginally, if your recording hardware does not detect port signals. Note that a non-zero preface delays the onset of the actual signal.                Double         
Pulse Duration        Duration of a single output pulse in ms. The value is applied only if the Pulse signal profile is selected                UInt64         
Interpulse Duration        Defines a duration of the inter-pulse interval in ms. The value is applied only if the Pulse  signal profile is selected                clTime         
Pulse Number        Defines a number of pulses in the pulse train. The value is applied only if the Pulse signal profile is selected                Int32         
Output Value        Value to be sent through the port. Can be defined in integer or binary format, e.g. Output='01010000'; or Output=255;                clBina..         
Send Output Now        Runtime action initiating an instant output communication through the port. Call this action in snippets by 'SendNow=true;', but only if the element works in the 'Manual I/O' mode.                Boolean         
Control
Is Enabled        If set to false the element is completely omitted when the experiment is run                Boolean         
Title        Title of the element                String         

NI Analog Port Element allows sending signals via the analog ports on the National Instruments DAQ cards. The element can be used for triggering external hardware, which is connected to the DAQ card. Note that this element does not support reading the analog input (the Input Listener mode).

Description

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Snapshots

Snapshot 1

Snapshot 1

Snapshot 2

Snapshot 2

Practical Use

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Technique 1

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    === Technique 2 ===
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     // Check the trial outcome. Result and RT just other user variables
    
    // insert code snippet here..
               
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    == Notes ==
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  5. Insert Notes here..
  6. Insert Notes here..