Our Alphanumeric OITs are powerful, affordable operator interface terminals. Features include 2 or 4-line LCD and VFD displays, 16 or 24-key keypads, unique user-definable keypads, and custom slide-in legends. With the ability to communicate with more than 100 brands of PLCs, motion controllers, temperature controllers, and embedded microcontrollers, you can easily create the perfect operator interface terminal for your application.
Certifications: UL, CE, Class I, Division 2 , NEMA4X/IP65
4 X 20 VFD, 24 PROGRAMMABLE KEYS
4 x 20 Backlit VFD
24 Programmable Keys
Class I, Division 2 Rated
Support for over 100 protocols
2 Year Warranty
Extended Temperature Range
Maple Systems OITs - Affordable Operator Interfaces
Maple Systems OITs offer best-in-class features including user-definable keypads and slide-in legends for a custom look.
Enjoy linear scaling, horizontal scrolling, screen chaining, high/low limits, and support for multiple languages. Easily create
the perfect operator interface terminal for your application to communicate with PLCs, motion controllers, temperature
controllers, embedded controllers, and more.
Maple Systems OITs communicate with PLCs and motion controllers using point-to-point serial communications to read
from and write to internal discrete and register memory of the controller. Some of the controller's discrete and register
memory is designated for special purposes: Message Request Register, Current Message Register, Stat Bit Coils, and
OIT Series Key Features:
• 2 x 20 or 4 x 20 LED Backlit LCD
• 2 x 20 or 4 x 20 Light Emitting Vacuum Fluorescent (VFD)
• Class I, Division 2 rated
• Customizable slide-in keypad legends
• 16 or 24 programmable function keys
• Serial RS-232 / RS-485 ports
• Sturdy metal enclosure
• Operates in extended temperatures: -14˚F up to 149˚F
• NEMA 4X, UL, and CE certified
Introduction to OITs
Maple Systems OITs are easy-to-program, text-based units, available in either backlit LCD or vacuum fluorescent models
and are compatible with most major brand PLCs. Perfect for those who desire physical function keys, OITs offer costeffective
replacements for push buttons, switches, displays, dials, and lamps.
Maple Systems OITs communicate with over 100 brands of PLCs and motion controllers,
making them compatible with most major brands of PLCs and motion controllers on the
market including Allen-Bradley, Modicon, GE, Keyence, Galil, and Bristol Babcock.
Class I, Division 2
All OIT models carry a Class I, Division 2 rating, safe for use in hazardous environments where exposure to explosive gases,
liquids, and vapors may occur.