NT31-ST121B-EV2 | Omron 5.7-Inch Monochrome Touch Operator Interface

Omron · HMIs & Displays

Description  The Omron NT31-ST121B-EV2 is a compact operator interface designed for monitoring and control of industrial automation systems. It features a 5.7-inch monochrome STN LCD touch panel with reliable Host Link and NT Link communications for seamless PLC integration. This unit operates on 24 VDC and is commonly used in machine control panels and equipment interfaces.     Technical Specifications  Condition New/Never Used Surplus Brand Omron Category HMI / MMI / OIT Part Number NT31-ST121B-EV2 Subcategory Operator Interface Series NT31 Series Display Size 5.7 Inch Display Type Monochrome STN LCD Resolution 320 × 240 Dots Touch Panel Analog Resistive Touch Screen Communication Protocols Host Link, NT Link Communication Ports RS-232C, RS-422A Input Voltage 24 VDC Power Consumption 15 W Bezel Color Black Product Status Discontinued by Manufacturer Weight 1.95 lbs     Information About NT31-ST121B-EV2 The NT31-ST121B-EV2 is part of Omron’s NT31 Series of programmable operator interfaces developed for dependable human-machine interaction. It is built with a robust front-panel touch screen and a standardized panel-mount design suitable for industrial environments. The unit is compatible with Omron PLCs through Host Link and NT Link communication protocols using RS-232C or RS-422A connections. Its straightforward configuration and stable display performance make it suitable for operator input, status visualization, and basic process control. Key Features: 5.7-Inch Touch Panel Display: Monochrome STN LCD with clear operator visibility. Standard Resolution: 320 × 240 dots for effective process visualization. PLC Communication Support: Compatible with Host Link and NT Link protocols. Serial Interfaces: Supports RS-232C and RS-422A communication ports. 24 VDC Power Input: Designed for standard industrial control power systems. Compact Panel-Mount Design: Suitable for space-constrained control cabinets. Industrial Build Quality: Engineered for stable operation in automation environments. The NT31-ST121B-EV2 delivers the reliability and precision required for operator interface and machine monitoring applications.

Brand: Omron · Category: HMIs & Displays

Key features

• 5.7-Inch Touch Panel Display: Monochrome STN LCD with clear operator visibility.
• Standard Resolution: 320 × 240 dots for effective process visualization.
• PLC Communication Support: Compatible with Host Link and NT Link protocols.
• Serial Interfaces: Supports RS-232C and RS-422A communication ports.
• 24 VDC Power Input: Designed for standard industrial control power systems.
• Compact Panel-Mount Design: Suitable for space-constrained control cabinets.
• Industrial Build Quality: Engineered for stable operation in automation environments.

Specifications

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