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If you need to expand the number of digital inputs on your VINT Hub, this module provides four extra inputs at minimal cost. Switches, buttons, or any device with a logic-level output can be read by these inputs. The DAQ1200 connects to a port on a VINT Hub. See the Connection & Compatibility tab for a list of hubs.
If you need isolation, compatibility with higher voltages, or more digital inputs per VINT port, have a look at the "Other Digital Inputs" tab for more options. If you plan on counting pulses on a high-frequency signal (faster than 500 Hz) or to measure pulses shorter than 2ms in length, you'll want to use one of our specialized frequency counter Phidgets instead.
This Phidget is a smart device that must be controlled by a VINT Hub. For more information about VINT, have a look at the VINT Primer. You can use a Phidget Cable to simply and easily connect the two devices. Here's a list of all of the different VINT Hubs currently available:
|Image||Part Number||Price||Number of VINT Ports||Controlled By|
Use a Phidget cable to connect this device to the hub. You can solder multiple cables together in order to make even longer Phidget cables, but you should be aware of the effects of having long wires in your system.
Welcome to the DAQ1200 user guide! In order to get started, make sure you have the following hardware on hand:
Next, you will need to connect the pieces:
Now that you have everything together, let's start using the DAQ1200!.
In order to demonstrate the functionality of the DAQ1200, the Phidget Control Panel running on a Windows machine will be used.
The Phidget Control Panel is available for use on both macOS and Windows machines.
To open the Phidget Control Panel on Windows, find the icon in the taskbar. If it is not there, open up the start menu and search for Phidget Control Panel
To open the Phidget Control Panel on macOS, open Finder and navigate to the Phidget Control Panel in the Applications list. Double click on the icon to bring up the Phidget Control Panel.
For more information, take a look at the getting started guide for your operating system:
Linux users can follow the getting started with Linux guide and continue reading here for more information about the DAQ1200.
After plugging the DAQ1200 into your computer and opening the Phidget Control Panel, you will see something like this:
The Phidget Control Panel will list all connected Phidgets and associated objects, as well as the following information:
The Phidget Control Panel can also be used to test your device. Double-clicking on an object will open an example.
Double-click on a Digital Input object in order to run the example:
General information about the selected object will be displayed at the top of the window. You can also experiment with the following functionality:
For more information about Digital Inputs, take a look at the Digital Input Primer
Before you can access the device in your own code, and from our examples, you'll need to take note of the addressing parameters for your Phidget. These will indicate how the Phidget is physically connected to your application. For simplicity, these parameters can be found by clicking the button at the top of the Control Panel example for that Phidget.
In the Addressing Information window, the section above the line displays information you will need to connect to your Phidget from any application. In particular, note the Channel Class field as this will be the API you will need to use with your Phidget, and the type of example you should use to get started with it. The section below the line provides information about the network the Phidget is connected on if it is attached remotely. Keep track of these parameters moving forward, as you will need them once you start running our examples or your own code.
You are now ready to start writing your own code for the device. The best way to do that is to start from our examples:
This Phidget is compatible with the DigitalInput Examples.
Once you have your example, you will need to follow the instructions on the page for your programming language to get it running. To find these instructions, select your programming language from the Programming Languages page.
The DAQ1200 features four digital input terminals, all of which share a common ground. Each input has a built-in pull-up resistor to allow for easy interfacing to all manner of switches.
Here are a few things you can do with the DAQ1200 Digital Input Phidget
To interface a switch with the DAQ1200, simply connect the switch across the input and ground terminals for a channel.
The DAQ1200 can also detect signals from 5V logic level devices. Be aware that the input is active-low, which means that LOW voltages will be detected as TRUE, and HIGH voltages as FALSE.
In some applications, particularly where there is a lot of electrical noise (automotive), or where you want maximum protection of the circuitry (interactive installations, kiosks), electrical isolation buys you a huge margin of protection.
If wired according to the diagram, driving the LED will cause the DAQ1200 to report TRUE.
Note that in cases where many isolated inputs are required, or for simplicity's sake, you may want to consider using the DAQ1300 or DAQ1301, which are (more sophisticated) ready-made isolated digital input Phidgets.
|Current Consumption Min||27 μA|
|Current Consumption Max||* 2 mA|
|Number of Digital Inputs||4|
|Digital Input Voltage Max||5 V DC|
|Low Voltage Max (True)||1.5 V DC|
|High Voltage Min (False)||3.5 V DC|
|Low Voltage Trigger Length Min||2 ms|
|High Voltage Trigger Length Min||2 ms|
|Recommended Wire Size||16-26 AWG|
|Operating Temperature Min||-40 °C|
|Operating Temperature Max||85 °C|
* Note: Current consumption is equal to 27µA plus 500µA for each digital input that is grounded.
|Digital Input||DigitalInput||0 - 3|
|DigitalInput||Visual Basic .NET||Windows||Download|
|Date||Board Revision||Device Version||Comment|
|June 2017||0||103||Product Release|
|Image||Part Number||Price||Number of Digital Inputs||Low Voltage Max (False)||Low Voltage Max (True)||High Voltage Min (False)||High Voltage Min (True)|
|1010_0||$80.00||8||—||900 mV DC||4.2 V DC||—|
|1011_0||$50.00||2||—||800 mV DC||2.1 V DC||—|
|1012_2B||$95.00||16||900 mV DC||—||—||4.2 V DC|
|1018_2B||$80.00||8||—||900 mV DC||4.2 V DC||—|
|1019_1B||$110.00||8||—||900 mV DC||4.2 V DC||—|
|1065_1B||$75.00||2||—||800 mV DC||2.1 V DC||—|
|1203_2B||$70.00||8||—||900 mV DC||4.2 V DC||—|
|DAQ1200_0||$12.00||4||—||1.5 V DC||3.5 V DC||—|
|DAQ1300_0||$20.00||4||1.3 V DC||—||—||2.5 V DC|
|DAQ1301_0||$50.00||16||1.3 V DC||—||—||2.5 V DC|
|HUB0000_0||$30.00||6 (Shared)||—||1 V DC||1.8 V DC||—|