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Omron HMI Touch Screen NT21-ST121-E Operator Panel with Control Panel

  • Omron HMI Touch Screen NT21-ST121-E Operator Panel with Control Panel Pushbuttons
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Omron HMI Touch Screen NT21-ST121-E Operator Panel with Control Panel Pushbuttons

€500,00
€500,00
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Omron HMI Touch Screen NT21-ST121-E Operator Panel with Control Panel PushbuttonsOmron HMI Touch Screen NT21-ST121-E Operator Panel with Control Panel PushbuttonsOmron HMI Touch Screen NT21-ST121-E Operator Panel with Control Panel PushbuttonsOmron HMI Touch Screen NT21-ST121-E Operator Panel with Control Panel Pushbuttons

Omron NT21-ST121-E HMI Touch Screen with Control Panel Pushbuttons — Lot of 2

5.2" monochrome operator interface with dual RS-232C ports and IP65-rated front panel

Overview

This is a lot of two Omron NT21-ST121-E touchscreen operator interfaces, each including integrated control panel pushbuttons. Part of the Omron NT series of programmable operator terminals, this unit features a 5.2-inch monochrome STN LCD touchscreen at 260 x 140 pixel resolution, with two RS-232C ports allowing simultaneous connection of a PLC, barcode reader, and NT Support Tool. It's IP65 and NEMA 4 rated on the front panel for protection against dust and water, operates on 24VDC power at 7W max, and offers 512KB of memory for screen data storage. This model is discontinued by the manufacturer (replaced by the NB5Q-TW00B) but remains widely used and serviced as a legacy HMI component.

Key Features

  • 5.2" monochrome touchscreen: Blue-mode monochrome STN LCD display at 260 x 140 pixel resolution.
  • Dual RS-232C ports: Enables simultaneous connection to a PLC, barcode reader, and NT Support Tool for flexible integration.
  • Integrated control panel pushbuttons: Adds physical button control alongside the touchscreen interface.
  • 512KB memory capacity: Ample storage for screen data.
  • IP65/NEMA 4 front panel: Protects against dust and water in demanding industrial environments.
  • Compact panel-mount design: 190 x 110 x 53.5 mm footprint suited for machine control panels and operator stations.

What's Included

Item Function Qty
Omron NT21-ST121-E HMI Touchscreen operator interface with pushbuttons 2

Brand: Omron | Series: NT21 | Model: NT21-ST121-E

Note: mounting hardware and cabling not included unless otherwise stated. Please confirm condition and testing status before purchase. This model is discontinued by Omron.

Technical Specifications

Display: 5.2" monochrome STN LCD, blue mode, 260 x 140 dots.

Power: 24VDC, 7W max.

Communications: 2x RS-232C ports.

Memory: 512KB.

Protection rating: IP65 / NEMA 4 (front panel).

Dimensions: 190 x 110 x 53.5 mm.

Compatibility & Applications

This HMI is designed to interface with Omron PLCs and other industrial automation systems, well suited for machine control, process monitoring, and operator interaction applications requiring both touchscreen and physical pushbutton control. It's a practical replacement or spare part for facilities maintaining legacy Omron NT21-based HMI installations.

A1Customer — Industrial Automation Equipment | Tampere, Finland
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