Products for USB Sensing and Control
Products for USB Sensing and Control

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## PhidgetInterfaceKit 0/0/8

ID: 1017_1
Control 8 DPDT mechanical relays, switching up to 250VAC/2amp or 200VDC/2amp.

Replaced by 1017_1B

Replaced by the 1017_1B - PhidgetInterfaceKit 0/0/8. It is the exact same device, but you can now choose which length of usb cable (if any) you want to include in your order.

The PhidgetInterfaceKit 0/0/8 provides small signal relays with 8 relay outputs, rated at a combination of 250VAC, or 2 Amps, up to a maximum of 60 Watts. While typical mechanical relay boards are unable to switch signals due to an oxide buildup on the contacts, the 1017 excels at switching both signals and low-power applications.

Please Note: These relays cannot be switched at maximum current and maximum voltage at the same time. Ensure that the total power of the load does not exceed the switching power of the relay. For example, you can switch these relays at 200V DC and 0.3 A (60W), or 30V DC and 2A (60W), but not 200V DC and 2A (400W).

#### Product Specifications

Board
Controlled By USB
API Object Name DigitalOutput
Current Consumption Min 14 mA
Current Consumption Max 300 mA
USB Speed Low Speed
Physical Properties
API Object Name InterfaceKit
Switch Type DPDT
Recommended Wire Size 12 - 24 AWG
Switching Speed Max 20 cpm
Operating Temperature Min 0 °C
Operating Temperature Max 70 °C
Electrical Properties
Dielectric Strength 1.5 kV AC
Contact Resistance Max 50 mΩ
Load Voltage Max (DC) * 120 V DC
Load Voltage Max (AC) 250 V AC
Load Current Max (DC) 2 A
Load Current Max (AC) 2 A
Turn-on Time Max 18 ms
Turn-off Time Max 18 ms
Switching Power Max (Real) 60 W
Switching Power Max (Apparent) 125 VA
Current Consumption Min 14 mA
Current Consumption Max 300 mA

* This specification applies to the version of 1017_1 with black relays on it. If your 1017_1 has orange relays, the DC switching voltage is 200VDC.

#### Software Objects

Channel NameAPIChannel
Signal Relay DigitalOutput 0 - 7

#### API

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#### Code Samples

Language:

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#### Product History

Date Board Revision Device Version Comment
February 20080100Product Release
February 20111100Different board size. Replaced USB connector with Mini-USB connector. Larger terminal blocks.

## Getting Started

Welcome to the 1017 user guide! In order to get started, make sure you have the following hardware on hand:

Next, you will need to connect the pieces:

1. Connect the power supply and load in series.
2. Connect the ends of the series to the NO (normally open) and the middle pin of one of the terminals.
3. Connect the Phidget to your computer using the USB cable.

Now that you have everything together, let's start using the 1017!

## Using the 1017

### Phidget Control Panel

In order to demonstrate the functionality of the 1017, 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.

#### Windows

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

#### macOS

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.

### First Look

After plugging the 1017 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:

• 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.

### Relay Output

Double-click on a Digital Output object labelled Signal Relay 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:

• Toggle the state of the relay by pressing the button.

## Technical Details

### Relays

A relay is an electrically-controlled switch. Although many types of electrical switches exist, a relay’s mechanical nature gives it the advantage of reliability and current-switching capacity. The main disadvantage to using mechanical relays is their limited life-span, as opposed to solid state relays who do not suffer from this drawback. For more information, check the Mechanical Relay Primer and the Solid State Relay Primer.

### Using a Digital Output Relay

Relays have a connection scheme determined by the arrangement of contacts within the relay. Because relays are a type of switch, they are defined in the same way other electromechanical switches are defined.

In switch schemes, the number of poles represents the number of common terminals a switch has, and the number of throws represents the number of switchable terminals that exist for each pole. The relays used in the InterfaceKit 0/0/8 are DPDT relays: double pole, double throw. The internal construction of this type of relay is depicted in the diagram above. Many other types of relays exist: SPST, DPDT, and DPST, to name a few.

In a relay, one of the throw terminals is labelled normally closed (NC), and the other is labelled normally open (NO). As the name indicates, the normally closed terminal is the terminal connected to common when the relay coil is not powered. When the relay coil is energized by the relay control circuit, the electromagnetic field of the coil forces the switch element inside the relay to break its contact with the normally closed terminal and make contact with the normally open terminal. The switch element would then connect the normally open terminal and the common terminal.

### Rated Current/Voltage/Power

These relays cannot be switched at maximum current and maximum voltage at the same time. Ensure that the total power of the load does not exceed the switching power of the relay. For example, you can switch these relays at 200V DC and 0.3 A (60W), or 30VDC and 2A (60W), but not 200VDC and 2A (400W).

### Wetting Current

When a relay is in one switch position for a period of time, oxidation of the open contact(s) can occur. Depending upon the internal coating material of the contacts, oxide films of varying density will be displaced upon the surface of open contacts; this film acts as an insulator to current flow. When the relay is switched, a certain amount of current flowing through the contacts, known as the wetting current, is required to remove the film of oxides and ensure proper conduction. The wetting current required to operate this relay is low enough for use in signal switching applications. Check the specification table for your relay board to find out the Minimum Load Current or Wetting Current.

If highly inductive loads are used with this InterfaceKit, it is recommended that a noise limiting component be used to prevent damage to the device. An MOV, TVS diode, or kickback diode (for DC applications) shunted across the load will assist in dissipating voltage transients.

## What to do Next

• Software Overview - Find your preferred programming language here to learn how to write your own code with Phidgets!
• General Phidget Programming - Read this general guide to the various aspects of programming with Phidgets. Learn how to log data into a spreadsheet, use Phidgets over the network, and much more.
• Phidget22 API - The API is a universal library of all functions and definitions for programming with Phidgets. Just select your language and device and it'll give you a complete list of all properties, methods, events, and enumerations that are at your disposal.

#### 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
Image Part Number Price Material
3803_2 $10.00 Clear Acrylic #### USB Cables Use a USB cable to connect this Phidget to your computer. We have a number of different lengths available, although the maximum length of a USB cable is 5 meters due to limitations in the timing protocol. For longer distances, we recommend that you use a Single Board Computer to control the Phidget remotely. Product Physical Properties Image Part Number Price Connector A Connector B Cable Length 3017_1$3.00 USB Type A USB Mini-B 280 mm
3018_0 $4.00 USB Type A USB Mini-B 1.8 m 3020_0$12.00 USB Type A USB Mini-B 4.5 m
3036_0 $3.50 USB Type A USB Mini-B 600 mm 3037_0$4.00 USB Type A USB Mini-B 1.2 m

#### Have a look at our relay boards:

Product Electrical Properties
1012_2B $95.00 1014_2B$55.00 12 A 277 V AC 7 A * 30 V DC
1017_1B $85.00 2 A 250 V AC 2 A * 120 V DC 3051_1$19.00 12 A 277 V AC 7 A * 30 V DC
3052_1 $15.00 2.5 A 28 V AC 2.5 A 40 V DC 3053_0$30.00 (per channel) 9 A 28 V AC (per channel) 9 A 40 V DC
3054_0 $10.00 500 mA 28 V AC 500 mA 40 V DC REL1000_0$30.00 12 A 277 V AC 7 A * 30 V DC
REL1100_0 $25.00 8 A 30 V DC REL1101_0$50.00 8 A 30 V DC
REL2001_0 $10.00 12 A 277 V AC 7 A * 30 V DC REL2002_0$12.00 2 A 240 V AC 2 A 120 V DC