Description
The Omron NT31-ST123B-V3 operator interface is a compact touchscreen HMI designed for operator interaction with PLC-based automation systems. It features a 5.7-inch monochrome STN LCD display with a resolution of 320 × 240 dots for clear process visualization. This unit operates on 24 VDC and supports multiple communication protocols for flexible system integration.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Omron |
| Category |
Human Machine Interfaces |
| Part Number |
NT31-ST123B-V3 |
| Subcategory |
Operator Interfaces |
| Product Line |
NT Series |
| Product Type |
Operator Interface / Touch Panel |
| Display Size |
5.7 inches |
| Display Type |
Monochrome STN LCD |
| Resolution |
320 × 240 dots |
| Touch Panel Type |
Pressure-sensitive |
| Communication Protocols |
Host Link, NT Link |
| Communication Ports |
RS-232C, RS-422A |
| Power Supply Voltage |
24 VDC |
| Power Consumption |
15 W |
| Case Color |
Black |
| Mounting Style |
Panel mount |
| Application |
PLC operator interface |
| Weight |
1.65 lb |
Information About NT31-ST123B-V3
The NT31-ST123B-V3 is part of Omron’s NT Series of human-machine interfaces, developed for reliable monitoring and control in industrial environments. It is designed to communicate with Omron PLCs using Host Link and NT Link protocols over RS-232C or RS-422A interfaces. The pressure-sensitive touchscreen enables dependable input without relying on capacitive technology, making it suitable for factory settings. Its black enclosure and panel-mount design allow straightforward installation in control cabinets and operator stations.
Key Features:
- 5.7-Inch Monochrome Display: STN LCD provides clear visualization of process data and system status.
- Touch Panel Interface: Pressure-sensitive touchscreen supports reliable operator input.
- High-Contrast Resolution: 320 × 240 dots for readable text and graphics.
- Multiple Communication Options: Supports Host Link and NT Link via RS-232C and RS-422A.
- 24 VDC Power Operation: Compatible with standard industrial control power supplies.
- Compact Panel-Mount Design: Suitable for space-constrained control panels.
The NT31-ST123B-V3 delivers the reliability and precision required for operator control and monitoring in industrial automation systems.