Designed to meet the core needs of PC/104 applications requiring high reliability, small size, and long-term availability, Sealevel PC/104 digital I/O modules offer easy installation and robust software support. Choose from optically isolated inputs, Reed relay outputs, and TTL interface to industry-standard solid-state relay racks.

Sealevel PC/104 modules are available in extended temperature versions (-40°C – +85°C).

  • Available with 16 optically isolated AC or DC inputs
  • Socketed dip resistor allows user configurable input range up to +24V
  • Available with 16 Reed relay outputs (SPST)
  • Highly reliable 10VA DIP Reed relays
  • 100 million closures at maximum load
  • Available with 48 channels of buffered TTL I/O
  • Each 8-bit port individually configurable as input or output
  • 8255 mode 0 compatible
  • Power (+5V and +12V) and ground provided on connector
  • Right-angle connector available for OEM opportunities
  • 40-pin vertical header standard, 50-pin header standard on TTL model

Sealevel Systems, Inc. provides innovative hardware and software products enabling computer connectivity and control. Since 1986, we have manufactured Serial and Digital I/O products to serve our customers' interface requirements. Whether you're looking for synchronous or asynchronous serial, analog or digital I/O, industrial computers or touchscreen HMI systems, Sealevel has a solution. Our commitment to customer satisfaction is expressed by our ISO 9001:2000 registration and the Lifetime Warranty that is standard with all Sealevel manufactured I/O products. Currently, we offer over 300 standard RS-232, RS-422, and RS-485 serial and digital I/O devices for multiple interfaces including USB, Ethernet, PCI, PC/104, PCMCIA, ISA, and serial converters. Our Relio® industrial computers and embedded I/O servers offer solid-state reliability and the highest degree of scalable I/O expansion. We have expanded our product line to include SeaI/O® data acquisition modules, SeaPAC® industrial touchscreen HMI systems, and OEM boards.

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