Description
The Omron NT31-ST123B-EV3 is a touchscreen operator interface panel designed for industrial automation monitoring and machine control applications. The NT31-ST123B-EV3 features a 5.7-inch monochrome STN LCD display with 320 × 240 resolution and supports Host Link and NT Link communications. It operates on 24 VDC power and is built for durable panel-mounted operator interaction in factory environments.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Omron Automation and Safety |
| Category |
Automation Control Modules |
| Part Number |
NT31-ST123B-EV3 |
| Subcategory |
Operator Interface Terminals |
| Series |
NT31 Series |
| Product Type |
Touchscreen Operator Interface Panel |
| Display Size |
5.7 Inch |
| Display Type |
Monochrome STN LCD |
| Display Resolution |
320 × 240 Dots |
| Backlighting |
Yes |
| Communication Protocols |
Host Link / NT Link |
| Serial Interfaces |
RS-232C / RS-422A |
| Number of Ports |
2 Serial Ports |
| Supply Voltage Range |
20.4–26.4 VDC |
| Power Consumption |
15 W |
| Ingress Protection Rating |
IP65 / NEMA 4 |
| Operating Temperature Range |
0°C to 50°C |
| Case Color |
Black |
| Product Dimensions (L × W × D) |
195 mm × 142 mm × 74 mm |
| Manufacturer Status |
Discontinued by Manufacturer |
| Weight |
1.68 lbs |
Information About NT31-ST123B-EV3
The NT31-ST123B-EV3 is part of Omron’s NT31 series programmable terminals, engineered for compact human-machine interface use in industrial control systems. It provides a monochrome touchscreen display with serial communication interfaces including RS-232C and RS-422A for integration with Omron PLC networks. The unit is designed for control panel mounting and includes IP65/NEMA 4 protection for dust-tight and water-resistant operation. With backlighting and stable low-voltage operation, it is intended for legacy automation installations requiring reliable operator display and machine interface capability.
Key Features:
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Programmable Touchscreen Operator Terminal: Designed for machine monitoring and control in industrial automation systems.
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5.7-Inch Monochrome STN LCD Display: Provides clear visualization with 320 × 240 dot resolution.
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Host Link and NT Link Communication Support: Enables integration with Omron PLC and automation networks.
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Serial Interface Connectivity: Includes RS-232C and RS-422A communication ports for controller linkage.
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24 VDC Power Supply Operation: Designed for standard industrial low-voltage control systems.
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IP65 and NEMA 4 Protection Rating: Dust-tight and water-resistant construction for harsh panel environments.
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Backlit Display Design: Supports visibility in industrial operator stations and control enclosures.
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Compact Panel-Mount Housing: Suitable for space-efficient installation in automation control panels.
The NT31-ST123B-EV3 delivers the reliability and precision required for monochrome touchscreen operator interface control in industrial automation environments.
