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4-20mA Adapter

ID: 1132_0 NRND

A common output mode for industrial sensors is 4-20mA. This adapter lets you use 4-20mA sensors with an Analog Input or VINT Hub port.

$30.00

Quantity Available: 148

Qty Price
5 $28.50
10 $27.00
25 $24.00
50 $21.00
100 $19.50
50+...

For new systems and projects, we recommend using the following VINT products instead of this one.

4-20mA sensors can be connected to and powered by the provided terminals on this 4-20mA Adapter board. The 1132 will measure the current passing through the attached sensor and convert it to a voltage between 0 and 5V.

The 4-20 mA Adapter board internally produces +15V from the 5V supply which is used to power the connected sensor, eliminating the need for an external power supply.

Features

  • Interface sensors that have a 4-20mA output
  • Connects to a Phidgets VINT port or voltage input

Comes packaged with

Functional

Interface Boards and Hubs

This sensor can be read by any Phidget with an Analog Input or VINT Hub port. It will connect to either one using the included Phidget cable. VINT Hub ports can behave just like Analog Inputs, but have the added flexibility of being able to be used as digital inputs, digital outputs, or ports to communicate with VINT devices. For more information about VINT, see the VINT Overview page.

Product Voltage Inputs
Part Number Price Number of Voltage Inputs Voltage Input Resolution (bits)
1010_0
PhidgetInterfaceKit 8/8/8 Mini-Format
$80.00 8 10 bit
1011_0
PhidgetInterfaceKit 2/2/2
$50.00 2 10 bit
1018_2B
PhidgetInterfaceKit 8/8/8
$80.00 8 10 bit
1018_3B
PhidgetInterfaceKit 8/8/8
$80.00 8
1019_1B
PhidgetInterfaceKit 8/8/8 w/6 Port Hub
$110.00 8 10 bit
1203_2B
PhidgetTextLCD 20X2 : White : Integrated PhidgetInterfaceKit 8/8/8
$70.00 8 10 bit
DAQ1000_0
8x Voltage Input Phidget
$20.00 8 12 bit
HUB0000_1
VINT Hub Phidget
$30.00 6 (Shared) *** 15 bit
HUB0001_0
VINT Hub Phidget
$35.00 6 (Shared) * 15 bit
HUB0002_0
VINT Hub Phidget
$40.00 6 (Shared) *** 15 bit
HUB0007_0
1-Port VINT Hub Phidget
$24.00 1 (Shared) ** 16 bit
HUB5000_0
Wireless VINT Hub
$60.00 6 (Shared) * 16 bit
SBC3003_0
PhidgetSBC4
$120.00 6 (Shared) * 16 bit

Phidget Cables

This sensor comes with its own Phidget cable to connect it to an InterfaceKit or Hub, but if you need extras we have a full list down below. 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.

Product Physical Properties
Part Number Price Cable Length
3002_0
Phidget Cable 60cm
$2.00 600 mm
3003_0
Phidget Cable 10cm
$1.50 100 mm
3004_0
Phidget Cable 350cm
$3.00 3.5 m
3038_0
Phidget Cable 120cm
$2.25 1.2 m
3039_0
Phidget Cable 180cm
$2.75 1.8 m
CBL4104_0
Phidget Cable 30cm
$1.75 300 mm
CBL4105_0
Phidget Cable 90cm
$2.00 900 mm
CBL4106_0
Phidget Cable 150cm
$2.50 1.5 m
KIT4030_0
Phidget Cable Kit
$10.00 80 mm

Enclosures

You can protect your board from dust and debris by purchasing an enclosure. An enclosure will also prevent unintentional shorts caused by objects touching the pins on the bottom of the board or any terminal screws.

Product Physical Properties
Part Number Price Material
3826_1
Acrylic Enclosure for the 1132
$7.00 Clear Acrylic


Getting Started

Welcome to the 1132 user guide! In order to get started, make sure you have the following hardware on hand:


Next, you will need to connect the pieces:

1132 0 Connecting The Hardware.jpg
  1. Connect the 1132 to the HUB0000 with the Phidget cable.
  2. Connect a sensor with a 4-20mA output to the 1132.
  3. Connect the HUB0000 to your computer with the USB cable.


Now that you have everything together, let's start using the 1132!

Using the 1132

Phidget Control Panel

In order to demonstrate the functionality of the 1132, we will connect it to the HUB0000 , and then run an example using the Phidget Control Panel on a Windows machine.


The Phidget Control Panel is available for use on both macOS and Windows machines. If you would like to follow along, first 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 1132.

First Look

After plugging in the 1132 into the HUB0000 , and the HUB0000 into your computer, open the Phidget Control Panel. You will see something like this:

HUB0000 Panel.jpg


The Phidget Control Panel will list all connected Phidgets and associated objects, as well as the following information:

  • Serial number: allows you to differentiate between similar Phidgets.
  • Channel: allows you to differentiate between similar objects on a Phidget.
  • Version number: corresponds to the firmware version your Phidget is running. If your Phidget is listed in red, your firmware is out of date. Update the firmware by double-clicking the entry.


The Phidget Control Panel can also be used to test your device. Double-clicking on an object will open an example.

Voltage Input

Double-click on a Voltage Input object in order to run the example:

1018 Sensors VoltageInput.png


General information about the selected object will be displayed at the top of the window. You can also experiment with the following functionality:

  • Modify the change trigger and/or data interval value by dragging the sliders. For more information on these settings, see the data interval/change trigger page.
  • Select the 1132 from the Sensor Type drop-down menu. The example will now convert the voltage into amperage (mA) automatically. Converting the voltage to amperage (mA) is not specific to this example, it is handled by the Phidget libraries, with functions you have access to when you begin developing!


Technical Details

General

Sensors can be connected to and powered by the provided terminals on the 1132. The 1132 will measure the current passing through the attached sensor and convert it to a voltage ranging from 0 to 5V. The adapter board is a non-ratiometric device, so make sure to connect it to a Voltage Input object. If the formula gives a range below 4mA (i.e. a voltage less than 0.9V), then this indicates that the sensor is open. The 1132 board internally produces +15V from the HUB0000 (compatible products) analog voltage. This supply rail is used to power the connected sensor, eliminating the need for other external power supplies. If the 1132 is being used in very electrically noisy environments, place a ferrite bead on the sensor current loop close to where it is attached to the 1132. This helps prevent energy coupled into long runs of wiring from causing computer problems.

Formulas

The Phidget libraries can automatically convert sensor voltage into amperage (mA) by selecting the appropriate SensorType. See the Phidget22 API for more details. The Formula to translate voltage from the sensor into current consumed is:



Selecting a 4-20mA Sensor

Review the datasheet for the 4-20 mA sensor that you have selected to be certain that it complies with the specifications of the 1132. Mostly you want to make sure that the sensor you want to use does not require more than 15V and that its capacitive load is equal to or less than 1.5µF. The following sensor has been successfully tested with the 1132.

Manufacturer Part Number Description
Honeywell SPTmA0015PG5W02 Stainless Steel 0-15 psi Pressure Sensor


Phidget Cable

Analoginput.jpg

The Phidget Cable is a 3-pin, 0.100 inch pitch locking connector. Pictured here is a plug with the connections labelled. The connectors are commonly available - refer to the Analog Input Primer for manufacturer part numbers.

What to do Next

  • Programming Languages - Find your preferred programming language here and learn how to write your own code with Phidgets!
  • Phidget Programming Basics - Once you have set up Phidgets to work with your programming environment, we recommend you read our page on to learn the fundamentals of programming with Phidgets.


Product Specifications

Sensor Properties
Controlled By Voltage Input (0-5V)
Sensor Output Type Non-Ratiometric
Electrical Properties
Output Impedance 1 kΩ
Available External Voltage 15 V DC
Current Consumption Min 1.8 mA
Current Consumption (4mA Load) 18.4 mA
Current Consumption (22mA Load) 130 mA
Inrush Current Max (Hot Plug) 160 mA
Supply Voltage Min 4.8 V DC
Supply Voltage Max 5.3 V DC
Capacitive Load Max 1.5 μF
Measurement Error Max ± 1.2 %
Physical Properties
Recommended Wire Size 12 - 24 AWG
Operating Temperature Min -40 °C
Operating Temperature Max 85 °C
Customs Information
Canadian HS Export Code 8473.30.00
American HTS Import Code 8473.30.51.00
Country of Origin CN (China)

Documents

Product History

Date Board Revision Device Version Comment
May 2010 0 N/A Product Release

This device doesn't have an API of its own. It is controlled by opening a VoltageInput channel on the Phidget that it's connected to. For a list of compatible Phidgets with Voltage Inputs, see the Connection & Compatibility tab.

You can find details for the VoltageInput API on the API tab for the Phidget that this sensor connects to.

Code Samples



Example Options


Downloads

				Make your selections to display sample code.
					

If you need an adapter that can provide more than 15V to the sensor, here's a list of all of our 4-20mA adapters:

Product Board Properties Electrical Properties
Part Number Price Controlled By Available External Voltage
1132_0
4-20mA Adapter
$30.00 15 V DC
DAQ1400_0
Versatile Input Phidget
$20.00 VINT 12 or 24 V DC