View source for REL1100 User Guide

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<metadesc>Add four PWM-enabled solid state relay outputs to your VINT hub with the 4x Isolated Solid State Relay Phidget.</metadesc>
[[Category:UserGuide]]
==Getting Started==
{{UGIntro|REL1100}}
* [{{SERVER}}/products.php?product_id=REL1100 REL1100 - 4x Isolated Solid State Relay Phidget]
* {{VINTHub}}
* {{CT|PhidgetCable|Phidget cable}}
* USB cable and computer
* something to use with the REL1100 (e.g. a series circuit)


Next, you will need to connect the pieces:
[[Image:REL1100_Functional.jpeg|600px|right|link=]]
# Connect the REL1100 to the VINT Hub using the Phidget cable.
# Connect the VINT Hub to your computer with a USB cable.
# Connect the series circuit to one of the relay terminals.

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==Using the REL1100==
{{UGcontrolpanel|REL1100}}

{{ugDigitalOutput|REL1100|, labelled ''Digital Output Isolated'', }} Remember, the REL1100 simply acts as a switch to ground.
*{{UGDigitalOutputDutyCycleDescription}}

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==Technical Details==
{{DigitalOutput_Failsafe_Technical|REL1100|110|1.0.0.20190107|opens the relay contact}}

===General===
Outputs on the RELL1100 behave similarly to a solid state relay - by toggling the state of the output, you can switch a circuit on and off. Specifically, changing the output state will switch a connection between the output and ground terminals. The outputs are also PWM-enabled, which means they can vary the intensity of the output by setting a duty-cycle.

These outputs are designed for use with DC voltages only.

===Usage Examples===
====Basic Switching====
[[Image:REL1100_Load_Diagram.jpg|link=|350px|right]]
To switch a load with the REL1100, connect the load and power supply to any pair of output and ground terminals, as pictured to the right. The load could be a larger relay, a solenoid, LEDs, light bulbs, motors, etc. Check the specification table on the product page for your Phidget to ensure that the voltage or current required by your load does not exceed the maximum.
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====Switching Multiple Circuits====
[[Image:REL1100_Multi_Diagram.jpg|link=|350px|right]]
Multiple circuits with multiple supplies may be controlled by the REL1100 at the same time. Just be aware the grounds of all switched circuits will be shared, as all ground terminals on the REL1100 are connected internally.
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===High Power Switching===
The Isolated Solid State Relay Phidget is capable of switching loads of up to 240W. However, for power higher than 50W, you'll need some form of cooling to keep the heat of the transistors down at normal levels. The REL1100's strengths lie in its multiple, high switching speed outputs. For high power projects, a [[Solid State Relay Primer|hockey puck type SSR]] may be a better choice. 

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