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io expander

Industrial Serial I/O Expander

The Serial XetaIO is a Class 1 Div 2 industrial serial I/O expander that is simple, reliable, and cost effective. The Serial XetaIO offers 8 programmable input and output channels for monitoring and controlling external sensors and devices.

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The Serial XetaIO can be used with XetaWave products or any other serial product. One serial interface is available supporting RS-232, RS-422, and RS-485. When configured for RS-485, a second interface is provided making it easy to daisy chain together additional Serial I/O Expanders or other RS-485 products using standard Ethernet cables.

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The Serial XetaIO shares a common Modbus map with all of the other XetaWave I/O products like the Ethernet XetaIO, Xeta9S serial I/O radio, XetaEdge edge computers, and all Ethernet radios.

  • Industrial Safe C1D2 certified and operational from -40°C to +85°C for hazardous industrial applications.

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  • Programmable I/O Independently configure 4 I/O as analog inputs, analog outputs, or digital inputs and 4 I/O as digital inputs or outputs.

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  • Resistors Built-in pull-up and pull-down resistors eliminates the need for external resistors. â€‹â€‹

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  • Digital Input Multiple digital inputs for monitoring relays, switches, closure sensors, and alarms.​​​​

  • Digital Output Multiple digital outputs for controlling solenoids, latches, valves, pumps, lamps, or relays.

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  • Analog Input Multiple 4-20 mA and 1-5 Vdc analog inputs for connecting sensors measuring temperature, humidity, flow, level, or pressure.

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  • Analog Output Multiple 4-20 mA and 1-5 Vdc analog outputs for connecting to PLCs, RTUs, and flow computers.

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PRODUCT VARIANTS

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XETA-10NNNNA-IO

Board Level Serial I/O Expander

1 Serial Data | 1 RS-485 Serial Data | 1 Serial Config I 8 I/O

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XETA-10NNNND-FGRIO

Board Level Serial I/O Expander

1 Serial Data | 1 RS-485 Serial Data | 1 Serial Config I 8 I/O | 10-pin FGR Connector

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Benefit from XetaWave’s superior technology designed and supported by an industry-leading engineering and customer support team. These industrial edge computers are capable of hosting and running many third-party or custom applications.

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Contact us

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258 South Taylor Ave, Louisville, CO 80027

Sales & Support 303-447-2745

© 2025 by XetaWave, LLC

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