Sealevel strives to minimize the impact of component obsolescence to our customers. When a component is discontinued by a vendor, Sealevels goal is to…
Why are solid-state relay modules different colors?
The color is used to identify the type. The open-standard color scheme was developed by Opto 22 in 1978 to help identify the four basic…
What wire colors are used for RS-485 on a SeaI/O module?
We assume that you want to use a standard (CAT5/6 EIA/TIA-568B) Ethernet patch cable to connect to the RJ45 pass-through connector on the side…
Why does my Sealevel Digital I/O TTL adapter have 5 volts present after system power on?
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 these…
What is the default power up condition of a Sealevel TTL Digital I/O product?
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.…
What kind of output is best for controlling the power to a DC motor?
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…
What does Non-Polarized refer to on Optically Isolated inputs?
Non-polarized means that the input trigger condition measures the voltage magnitude across the input, or alternatively the current magnitude through the input, regardless of…
How can I expand the digital I/O in my APC NetBotz appliance?
Sealevel SeaI/O devices offer flexible I/O expansion to APC Netbotz remote environmental monitoring equipment. All APC NetBotz appliances that have a USB port support SeaI/O 450U…
How do I compile SeaMAX example applications?
For guidance covering the initial steps of compiling and running individual example projects using Microsoft Visual Studio, please refer to the SeaMAX API Documentation.…