Product Overview: NT21-ST121-E
The Omron NT21-ST121-E is a compact **Human-Machine Interface (HMI)** from the NT21 series. It features a 5.2-inch monochrome STN LCD touch screen with a resolution of 260 x 140 pixels. This unit is designed for compact machines where space is limited but intuitive operator control is required.
Technical Specifications
- Display: 5.2″ Monochrome STN
- Backlight: Replaceable CCFL
- Communication: RS-232C (Serial)
- Memory: 512 KB Flash
Legacy Support
Provides seamless connectivity with Omron PLCs (C-Series, CJ, CS). A critical replacement part for maintaining existing operator panels without reprogramming.
