Digital Inputs Overview

The 410 has 8 inputs and 8 outputs, the 412 and 412DMX have 4 inputs and 12 outputs, and the 414 has 12 inputs and 4 outputs. Each digital input can accept AC or DC voltage sources in the 0 – 30 V range. The input voltage must be greater than 2 VDC for the input to register as “on” and then less than 1 VDC to register as “off”. The JNIOR uses a 2-piece terminal connector system for all power and I/O wiring connections allowing for easy installation and/or removal of the JNIOR. Digital Inputs are Optically Isolated.  

Controlling Digital Inputs

When controlling the JNIOR’s I/O, the JANOS class can be used to get/manipulate their statuses. In the following example the JANOS class is used to invert an input and print the input state mask, manipulate an input counter, and check an input’s usage meter.

View on GitHub

I put the built jar file of this example application into the JNIOR’s flash folder and ran it from the Web UI’s console tab. As you can see it displays different data about the inputs at the time of the application running.

Getting Inputs from the IO Log

Another way to interact with the I/O on the JNIOR is via the Iolog Monitor. The Iolog Monitor is an object that can be checked for I/O events that have occurred on the JNIOR. There is the IoEvent class and Iolog class. An IoEvent is when an input or output state changed on the JNIOR, and the Iolog is an object that contains all the IoEvents from a certain timestamp. The example below inverts an input, and then shows how the Iolog has recorded that input pulse as an IoEvent.

View on GitHub

I put the built jar file of this example application into the JNIOR’s flash folder and ran it from the Web UI’s console tab. As you can see it recorded the input change where input 1 turned on and again when it turned back off.

By | Updated On November 3, 2023 2:37 pm | No Comments | Categories: , | Tags:


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