Part#: S1420-12R

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1.6GHz Intel Atom N450 Touchscreen Computer with 12.1″ TFT LCD and Resistive Touchscreen, 2GB RAM

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The SeaPAC-1420-12.1R combines Sealevel’s Relio R1420 embedded computer with a bright 12.1” TFT LCD and resistive touchscreen to create a powerful, ultra-reliable flat panel computer system. Powered by a 1.6GHz Intel Atom® N450 CPU, the system includes 2GB of RAM and offers a variety of standard I/O including dual Gigabit Ethernet, six USB 2.0 ports, four serial ports, 8-bit GPIO and audio output. The HMI system is perfect for a variety of operator interface, data acquisition and process control applications.

SeaPAC systems can operate from optional CompactFlash. An optional 2.5″ SATA solid-state disk (SSD) can be integrated and preloaded with Microsoft Windows or Linux operating systems. Designed to operate over a wide 0-50°C ambient temperature range, the fanless design offers the ultimate in reliability with no moving parts. The SeaPAC-1420-12.1R is powered from an included 100-240VAC to 12VDC external power supply.

Designed for panel mount installation, the front bezel is NEMA 4/IP65 rated and can withstand sprayed water, humidity and extreme dust. The durable resistive touchscreen provides excellent accuracy and works with a stylus or gloved hand.

Local or remote I/O expansion is available using Sealevel SeaI/O modules. Choose from a variety of I/O configurations including optically isolated inputs, Reed and Form C relay outputs, TTL interfaces, A/D and D/A. The SeaPAC connects to SeaI/O modules via the system’s RJ45 port and communicates using RS-485 Modbus RTU or Sealevel’s SeaMAX API software libraries.

The modular design allows for maximum up-time with easy field maintenance and upgrade of the Relio computer and I/O without removing the LCD assembly from the panel.

Additional information


AMI 16 Mbit Flash




400 Nit

Contrast Ratio


CPU Type

Intel Atom


1.6GHz Intel Aton N450

Approximate Weight

~9 lbs

Extended Temperature

Call for Options

Humidity Range

10 – 90% Relative Humidity, Non-Condensing


2GB DDR2 667MHz (Installed)

Operating Temperature

0 – +50C

Power Requirement


Native Resolution

800×600 @ 60Hz

Screen Size

12.1" LCD

Storage Temperature

-10 – +60C




ResistiveRS-232 Controller

Viewable Size

12.1" Diagonal

System Features Overview

  • • Bright 400 Nit 12.1″ TFT LCD
  • • Durable resistive touchscreen with RS-232 controller
  • • Designed for panel mount installation
  • • NEMA4/IP65 Protection from sprayed liquid, humidity and dust
  • • Silent solid-state design with no fans or other moving parts
  • • System includes 1.6GHz Intel Atom N450 processor and 2GB RAM
  • • Maximum 2GB DDR2 667MHz RAM, 200-pin SODIMM (2GB Installed)
  • • Solid-state operation using optional CompactFlash or Solid-State Disk (SSD)
  • • CompactFlash module and 2.5″ drive bay are accessible without opening the enclosure
  • • Integrated Intel Gen 3.5+ GFX Core graphics supports SXGA resolution up to 1400×1050 @ 75Hz (Native LCD resolution of 800×600 @ 60Hz)
  • • RJ45 Modbus RTU RS-485 pass-through port (supports N-series SeaI/O expansion modules)
  • • 2-position removable screw terminal for system power
  • • 4-position removable screw terminal for 2-wire RS-485 interface
  • • Includes desktop power supply (100-240VAC to 12VDC @ 4.0A 48W max) with attached terminal block for computer and barrel connector for flat panel monitor
  • • Wide temperature operation from 0 – 50C ambient

Enclosure Bottom

  • • Two 10/100/1000BaseT RJ45 (Intel 82567V, 82583V) Gigabit Ethernet ports with status LEDs
  • • One DB9M serial port (COM1, RS-232)
  • • Six USB 2.0 ports (Four use high-retention connectors)
  • • 8-bit general purpose I/O (GPIO) available on 10-position removable terminal block
  • • One analog VGA DB15 connector
  • • Type I/II CompactFlash bay accessible via removable plate
  • • LED status indicators for power and disk activity
  • • Recessed Reset switch

Enclosure Left Side

  • • Three DB9M serial ports (COM2 = RS-232/422/485, COM3,4 = RS-232)
  • • COM2 port accessible via DB9F (RS-232), RJ45 port (RS-422/485), or removable terminal blocks (RS-422/485)
  • • Termination and biasing dipswitches for RS-485 port
  • • Stereo audio out via standard 1/8″ speaker connector

Enclosure Right Side

  • • Supports 2.5″ SATA Solid-State Disk (SSD), accessible via thumbscrews

System Monitoring and Management

  • • Battery backup 3V/210mAH
  • • Watchdog Timer with 255 level interval timer
  • • Supports APM, ACPI power management

What’s In the Box?

  • • SeaPAC S1420-12R Touchscreen computer
  • • Integrated video and touchscreen cables
  • • External 12VDC power supply
  • • Storage options available as accessories


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