Distributed I/O

Sealevel SeaI/O Data Acquisition Modules

Sealevel's SeaI/O data acquisition modules provide powerful digital, analog, and serial expansion to any computer. Connect to the host via wireless, Ethernet, USB, RS-485, or RS-232 to add the functionality required for your particular application. Multiple units can be daisy chained using convenient pass-through connectors to create a versatile distributed control and monitoring network.

Distributed I/O

SeaI/O Wireless (Modbus TCP) Data Acquisition Modules

Wireless W-series modules control I/O remotely using an 802.11b/g connection. Suitable for a wide range of applications and environments, Sealevel’s robust wireless interface provides easy installation and reliable communication.
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SeaI/O Ethernet (Modbus TCP) Data Acquisition Modules

Ethernet E-series modules are compatible with 10/100BaseT Ethernet and allow remote monitoring and control of digital and analog I/O from anywhere on your network. Compatibility with Modbus TCP allows communication with Modbus-compliant devices over any TCP/IP network.
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SeaI/O USB (Modbus RTU) Data Acquisition Modules

USB U-series modules provide digital and analog I/O through any available USB port. Sealevel is the first to allow a distributed I/O network to be controlled from a traditional point-to-point USB host connection transforming any USB-equipped PC into a powerful controller.
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SeaI/O RS-485 (Modbus RTU) Data Acquisition Modules

RS-485 M-series modules offer a convenient method for adding digital and analog I/O to industrial computers and legacy PLC systems. The modules communicate with a host using industry-standard Modbus RTU protocol and are compatible with third-party Modbus software.
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SeaI/O RS-232 (Modbus RTU) Data Acquisition Modules

RS-232 S-series modules easily add digital and analog I/O to industrial computers and legacy PLC systems via commonly used serial ports. Industry-standard Modbus RTU protocol is supported and the modules are compatible with third-party Modbus software.
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