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When a 0-5V voltage input isn't enough, this Phidget can be used to measure voltages up to ±40V. You can select the voltage range (±5V, ±15V or ±40V) in software; a smaller range results in higher precision. This Phidget also has an automatic mode that continuously adjusts the range based on present voltage measurements, so you'll always have the most accurate measurement possible. The VCP1001 connects to a port on a VINT Hub. See the Connection & Compatibility tab for a list of hubs.
This Phidget is electrically isolated, so a power surge on the circuit you're measuring will not damage your VINT Hub or your computer. Isolation also improves stability by eliminiating potential ground loops.
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 VCP1001 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 VCP1001!
In order to demonstrate the functionality of the VCP1001, 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 VCP1001.
After plugging the VCP1001 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 the Voltage Input object , labelled (±40V) Voltage Input Phidget, 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:
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 VoltageInput 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 VCP1001 is electrically isolated, so a power surge in the circuit you're measuring would only damage the VCP1001- it won't damage your Hub or your computer. Having isolation also helps prevent the formation of ground loops in your system.
Another advantage of isolation on the VCP1001 is the capability to measure the voltage differential between two points of a circuit regardless of their relation to ground, as long as the voltage differential between those points is within the specification of the sensor.
For example, take the pictured battery charging circuit; there is sufficient complexity between the battery and VINT Hub that trying to directly measure the voltage with a non-isolated sensor could be a risky proposition. However, thanks to the isolated nature of the VCP1001, the battery voltage may be measured directly, ignoring the circuits in between.
|Sensor Type||Voltage (DC)|
|Withstand Voltage Max||± 50 V DC|
|Number of Voltage Inputs||1|
|Sensor Input Impedance||1 MΩ|
|Voltage Difference Max||± 40 V DC|
|Sampling Interval Min||40 ms/sample|
|Sampling Interval Max||60 s/sample|
|Voltage Resolution||200 μV DC|
|Voltage Offset Max||5 mV DC|
|Measurement Error Max||0.2 %|
|Voltage Noise||3 mV DC|
|Voltage Resolution||500 μV DC|
|Voltage Offset Max||15 mV DC|
|Measurement Error Max||0.2 %|
|Voltage Noise||10 mV DC|
|Voltage Resolution||1.2 mV DC|
|Voltage Offset Max||40 mV DC|
|Measurement Error Max||0.2 %|
|Voltage Noise||25 mV DC|
|Current Consumption Max||11 mA|
|Recommended Wire Size||16 - 26 AWG|
|Operating Temperature Min||-40 °C|
|Operating Temperature Max||85 °C|
|VoltageInput||Visual Basic .NET||Windows||Download|
|Date||Board Revision||Device Version||Comment|
|June 2017||0||100||Product Release|
|Product||Voltage Sensor||Sensor Properties|
|Image||Part Number||Price||Voltage Difference Max||Input Voltage Min (DC)||Input Voltage Max (DC)|
|1135_0B||$17.00||± 30 V DC||—||—|
|3509_1||$115.00||—||0 V DC||200 V DC|
|VCP1000_0||$50.00||± 40 V DC||—||—|
|VCP1001_0||$25.00||± 40 V DC||—||—|
|VCP1002_0||$25.00||± 1 V DC||—||—|