Sealevel Systems Online Product Database & Store

Sealevel industrial computers and HMIs are designed for I/O intensive applications where ruggedness, reliability and configurability are a must.

Industrial Computers

Relio™ I/O servers are fully customizable and the solid-state design is built to handle even the most extreme conditions.

Compact, Desktop, and Rackmount form factors
Unmatched serial and digital I/O expansion capabilities
Solid-state operation is perfect for embedded applications

View All Industrial Computers

HMI Computers

SeaPAC HMI systems combine an R1000 industrial computer with bright TFT LCD and touchscreen monitors to create an impressive interactive computing solution.

Bright TFT LCD panels & touchscreen displays
Modular design for custom configurations at off-the-shelf prices
Versatile serial & digital I/O expansion modules

View All HMI Computers

R9 Embedded RISC

The R9 family delivers RISC computing power in a compact, rugged package with wide operating temperature range and unmatched I/O connectivity.

Supports Windows® CE 6.0 and Linux embedded software environments
Fast time to market with included BSP and Talos I/O framework
Very low power Atmel ARM9 RISC Processor

View All R9 Embedded RISC

Sealevel asynchronous and synchronous serial interfaces are designed for high-speed applications and support RS-232, RS-422, RS-485, and RS-530 electrical interface standards.

Asynchronous Serial

Choose from a wide range of platforms offering RS-232, RS-422/485, and RS-232/422/485 multi-interface.

Products available with one to 16 serial ports
Interfaces for RS-232, RS-422, RS-485, and RS-530
Optically isolated and embedded versions available

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Synchronous Serial

Critical military, aerospace, and commercial applications use synchronous communication when high-speed data transfer is required.

Products designed around Zilog Z16C32 IUSC or Z85230 ESCC
Software supports HDLC/SDLC, RAW, and other configurations
USB military radio adapter provides interoperability among tactical radios

View All Synchronous Serial

Sealevel's wide variety of I/O devices provide field-proven optically isolated inputs, Reed and Form C relay outputs, TTL interfaces that connect to solid-state relays, A/D, and D/A functionality.

SeaI/O Distributed I/O

Data acquisition modules provide powerful digital, analog, and serial expansion to any computer.

Powerful software configuration and diagnostic tools
Address selectable via software or switch
Easily daisy chain multiple units together with base or remotely located

View All SeaI/O Distributed I/O

Digital I/O

Digital I/O solutions offer options for optically isolated inputs, Reed and Form C relay outputs, and TTL interface to industry standard solid-state relay racks.)

Products available with isolated inputs, Reed and Form C relay outputs, and TTTL
Connect to the host via Ethernet, USB, PCI, PC/104 and more
Wide range of terminal blocks and cabling accessories simplify installation

View All Digital I/O

Analog I/O

Sealevel analog I/O products provide single-ended or differential 12-bit A/D inputs and outputs with selectable voltage ranges.

Inputs can be configured for measuring 4-20mA current loop
Inputs voltages selectable for 0-5V, 0-10V, +/-5V, and +/-10V ranges
Variety of cabling options allow easy connection to real-world signals

View All Analog I/O

Sealevel's wide range of accessories provides one-stop shopping for all of your serial and digital I/O application requirements.

	Computer Storage Upgrade Sealevel industrial computers with hard drives, CD/DVD drives, and CompactFlash memory options. SD Card Flash memory, Compact Flash memory Solid-state disk drives, CD/DVD drive kits Relio hard drive kits View All Computer Storage		Industrial Computer Memory Upgrade Sealevel industrial computers with hard drives, CD/DVD drives, and CompactFlash memory options. PC133 SDRAM PC2100 DDR, PC2700 DDR, PC2 3200 DDR2 DDR2-667 View All Industrial Computer Memory
	Cables Choose USB and serial extension cables, converter cables, digital I/O ribbon cables, Ethernet cables, power cables, and replacement cables. Locking USB cables, USB cables, internal USB cables Serial, Ethernet, ribbon cables Specialty and replacement cables View All Cables		SeaI/O Expansion Expansion modules communicate with SeaI/O base modules and Relio industrial computers via RS-485 Modbus RTU using convenient pass-through connectors. Compatible with all SeaI/O base units (Ethernet, USB, RS-485, RS-232) Add isolated inputs, Reed relay outputs, Form C Relays, TTL, A/D, and D/A View All SeaI/O Expansion
	Power Supplies Power Sealevel devices with AC to DC power supplies available in a variety of voltages. Wall mount, DIN rail, and desktop models US & international connectors AC power cords View All Power Supplies		Terminal Blocks Break out any molded cable to screw terminals, which simplifies field wiring. Standard DB9, DB25, RJ45, and 50-pin IDC connectors Specialty terminal blocks with DB37 and DB44 connectors Spring clamp terminal blocks View All Terminal Blocks
	Adapters & Converters Save time connecting devices with different connectors or interfaces. CompactFlash adapters, RJ45 modular adapters and pinout adapters Gender converters and null modem adapters Surge suppression adapters with DB9 and DB25 connectors View All Adapters & Converters		Relay Racks & Relays SeaPAC HMI systems combine an R1000 industrial computer with bright TFT LCD and touchscreen monitors to create an impressive interactive computing solution. Bright TFT LCD panels & touchscreen displays Modular design for custom configurations at off-the-shelf prices Versatile serial & digital I/O expansion modules View All Relay Racks & Relays
	Mounting Hardware Expand Sealevel TTL products with industry standard relay racks and solid-state relay modules. Quad 4-position and solid-state relay racks Discrete Relay racks and modules View All Mounting Hardware		PC/104 Portholes The I/O kits can be installed in Relio R2000 and R3000 systems and are perfect for embedded systems. 3.2" x 3.1" "Portholes" Serial, digital, analog, wireless, and onboard I/O View All PC/104 Portholes
	Hubs & Switches Sealevel USB Hubs and Ethernet switches allow you to easily expand your network. An optically isolated USB hub protects the computer from voltage spikes, power surges, and ground loops. Non-isolated four and eight port hubs add USB ports to a computer or laptop Industrial grade PoE swiches View All Hubs & Switches		Books & References Expand your knowledge with The Digital I/O Handbook - A Practical Guide to Industrial Input and Output Applications. Covers a wide range of devices including optically isolated inputs, relays, and sensors Shows many helpful circuit diagrams and drawings Includes software code examples View All Books & References
	Software Order a replacement Sealevel software CD or purchase an operating system license. Includes SeaCOM software, for all Asynchronous Serial products, excluding Ethernet serial servers Includes SeaLINK software, for all Ethernet Serial Server products Includes SeaMAX software, specifically for the SeaI/O family of products View All Software

Comprehensive Software Solutions & Support

Our full array of hardware is backed by powerful software that makes implementation easy. Each Sealevel product ships with a comprehensive software suite providing drivers, setup files, samples, and application notes. Popular operating systems are supported including Microsoft® Windows® and Linux.

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Long-Term Availability

Sealevel is committed to providing our long-term availability of our products. In fact, we still produce a variety of boards that date back to the 1980s. We work closely with our vendors to insure component availability and in instances that a component becomes obsolete, we strive to design a "form, fit, and function" replacement that works transparently.

Computing/HMI Industrial Computers HMI Computers Embedded RISC	Serial Asynchronous Serial Synchronous Serial	I/O Distributed I/O Digital I/O Analog I/O	Accessories Computer Storage Industrial Computer Memory Cables SeaI/O Expansion Power Supplies	Terminal Blocks Adapters & Converters Relay Racks & Relays Mounting Hardware PC/104 Portholes	Hubs & Switches Books & References Software

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