Digital I/O Faqs - Posts - Page 2 - Sealevel Systems, Inc

Why does my Sealevel Digital I/O TTL adapter have 5 volts present after system power on?

Oct 1st 2011

TTL I/O devices are commonly used to control solid-state relay modules that interface a variety of input and output devices. An important consideration in t … View More

What is the default power up condition of a Sealevel TTL Digital I/O product?

Mar 1st 2011

All Sealevel TTL Digital I/O products are configured to power up in input mode by default. This ensures that no outputs are inadvertently activated. … View More

What kind of output is best for controlling the power to a DC motor?

Oct 30th 2010

Open-collector outputs with circuit protection are the best choice for controlling power to devices with highly inductive loads such as DC motors, solenoids, and hi … View More

What does Non-Polarized refer to on Optically Isolated inputs?

Jul 31st 2010

Non-polarized means that the input trigger condition measures the voltage magnitude across the input, or alternatively the current magnitude through the input, rega … View More

How can I expand the digital I/O in my APC NetBotz appliance?

Jun 18th 2010

Downloads: APC NetBotz Application Note #134 Size: 169.68 KB Type: pdf Sealevel SeaI/O devices offer flexible I/O expansion to APC Net … View More

What is a Quadrature Counter and how is it used?

Jun 11th 2010

A Quadrature counter, also known as a Quadrature decoder, shaft decoder, or rotary decoder, is a type of digital input that uses a two-bit Gray code input to increa … View More

Are sample applications provided with the SeaMAX driver?

Jun 11th 2010

The SeaMAX Software package automatically installs several application samples with source code in the Example Projects subfolder.To access the samples from the Start … View More

How do I compile SeaMAX example applications?

Jun 11th 2010

For guidance covering the initial steps of compiling and running individual example projects using Microsoft Visual Studio, please refer to the SeaMAX API Documentati … View More

How can I integrate a Sealevel SeaI/O or SeaDAC device with a third party application or PLC?

May 1st 2010

Sealevel SeaI/O and SeaDAC devices are fully compatible with other Modbus compliant devices, PLCs and applications. Many third-party software applications and P … View More

Which Sealevel digital I/O products are compatible with "open-collector" outputs?

Mar 31st 2010

Depending on your application, Sealevel digital I/O products with either optically isolated inputs or TTL level signaling can be used.Sealevel products with TT … View More

Do Sealevel SeaI/O data acquisition modules support third-party applications?

Mar 31st 2010

Many third-party software packages (and PLCs) include support for the open and well-documented Modbus protocol. Sealevel SeaI/O modules use the Modbus protocol for co … View More

What is the difference between SeaIO and SeaMAX software?

Feb 26th 2010

SeaIO is the classic software driver that supports our PCI Express, PCI, PC/104, ISA, and classic USB digital I/O devices. SeaMAX is the driver for our late … View More

Where is the description of the SeaMAX API?

Jan 30th 2010

This is located in the API Documentation file when SeaMAX is installed. From the Start menu, locate the Sealevel SeaMAX folder and choose Documentation and then SeaMA … View More

How can I sense or switch 120V AC from a PC?

Dec 10th 2009

Sealevel offers Digital I/O TTL products that interface to industry standard relay racks and solid state relay modules that are designed to sense and switch A … View More

Does SeaIO support Active X Controls?

Dec 10th 2009

Yes. Supporting documentation is located in the help file when SeaIO software is installed. From the Start menu, locate the SeaIO folder and choose SeaIO Help. In the … View More

Can I use Sealevel reed relay cards to switch other relays or inductive loads?

Dec 10th 2009

Sealevel Digital I/O products with reed relays are not designed to switch inductive loads such as the coil on another relay. If you need to switch an induct … View More

Where is the description of the SeaIO API?

Dec 10th 2009

This is located in the help file when SeaIO software is installed. From the Start menu, locate the SeaIO folder and choose SeaIO Help. In the contents you will find a … View More

Are there sample applications provided with the SeaIO driver?

Dec 10th 2009

The SeaIO software package automatically installs several application samples with source code in the samples subdirectory.To access to the samples, navigate to:[main … View More

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Why does my Sealevel Digital I/O TTL adapter have 5 volts present after system power on?

What is the default power up condition of a Sealevel TTL Digital I/O product?

What kind of output is best for controlling the power to a DC motor?

What does Non-Polarized refer to on Optically Isolated inputs?

How can I expand the digital I/O in my APC NetBotz appliance?

What is a Quadrature Counter and how is it used?

Are sample applications provided with the SeaMAX driver?

How do I compile SeaMAX example applications?

How can I integrate a Sealevel SeaI/O or SeaDAC device with a third party application or PLC?

Which Sealevel digital I/O products are compatible with "open-collector" outputs?

Do Sealevel SeaI/O data acquisition modules support third-party applications?

What is the difference between SeaIO and SeaMAX software?

Where is the description of the SeaMAX API?

How can I sense or switch 120V AC from a PC?

Does SeaIO support Active X Controls?

Can I use Sealevel reed relay cards to switch other relays or inductive loads?

Where is the description of the SeaIO API?

Are there sample applications provided with the SeaIO driver?

Your Cart

Resource Center

Browse Categories

Resources

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