See for yourself why our OIT3185A and OIT4185A offer such unbeatable value...

Loaded with customization features
Our OIT3185A and OIT4185A redefine the term "fully loaded." These powerful MicroOITs are packed with features that give you the power to completely customize your OIT to look and perform the way you want it to. That's why the OIT3185A and OIT4185A allow you to do what others can't...

• Customize your displays. Build the screens you want with powerful display customization features and easy to use software.
• Communicate with clarity. Five different screen types are loaded with communications features - like linear scaling and floating decimals - that help you to maintain powerful, clear communications with the operator.
• Customize your keypad. User-definable function keys give you the power to program your keys to perform functions exactly the way you want them - easy customization at your fingertips.
• Create a "built to spec" look. Our unique, slide-in legends allow you to design your keypad legend with custom logos, colors and layout for a truly built to spec look.

Broad compatibility
We've developed protocols so that the OIT3185A & OIT4185A can communicate with as many controllers and controller families as possible. To date, our MicroOITs can communicate with over 75 families of PLCs, motion controllers, temperature controllers and embedded microcontrollers from more than 35 industry-leading manufacturers likeAllen-Bradley, GE Fanuc and Siemens.

Easy to program
All of our MicroOITs are easy to configure and customize to your exact specifications using our intuitive, Windows®-based OITware-200 configuration software.

Made to work in any environment
No matter where you want to put them, our OIT3185A and OIT4185A are ready to get to work! All of our MicroOITs operate in extended temperature range, and each is rated for Class I, Division II hazardous environments.

Made to fit into small spaces - and tight budgets
These rugged MicroOITs live up to their name. Their compact dimensions fit into the smallest spaces - and with their powerful function you can replace multiple lamps, switches, buttons and more with one, space-saving, easy to use OIT.

When you combine all of the great features that come in one tiny unit, you'll find that there isn't an alphanumeric OIT on the market today that can even come close to the value, features and pricing of our OIT3185A and OIT4185A.

Powerful features, flexible function, affordable price

Communicate with Clarity

The OIT3185A & OIT4185A MicroOITs store up to 500 user-definable screens. Each screen can display as little or as much information as you choose. There is no wasted space – you have control over the entire screen. The following screen types are available to help you clearly communicate to the OIT operator.

Message Screens

Recipe Screens

Alarm Screens

Menu Screens

Help Screens

Screen Display Features

The OIT3185A & OIT4185A MicroOITs offer many screen display features to enhance communication:
Linear Scaling to present analog or digital data in readily understandable terms (i.e., degrees, speed)
Blinking Characters
Extended Character Set
Horizontal Scrolling
Timed Display
Beep on Display

Enhanced Features

Recipe Screens

Recipe screens allow the operator to download or upload preset values into PLC registers. These preset values are configured when programming the OIT, and can also be modified at any time by the OIT operator. Recipe screens allow the OIT operator to configure and start a batch process. Each recipe screen can include up to 20 preset values. Each recipe screen also includes:

• Initiator - A signed character in the bottom right corner of the recipe screen that the OIT operator must change from 'N' to 'Y' to download the recipe to the PLC.
• Gate coil - A PLC relay coil that the OIT uses to signal the PLC that the recipe has been downloaded and the batch process is ready to start.

With the MicroOIT Series, you can also configure any screen-dependent function key to upload or download a recipe. The PLC/controller has the ability to send an upload or download command to the OIT using the message request register.

Memory Storage for Motion Controllers

The MicroOIT Series has the ability to store data for later retrieval from a PLC or motion controller. This is particularly useful in applications in which the controller has no internal memory that is non-volatile. For example, suppose that a controller is used that requires initial operational settings whenever the controller is powered. These settings may be stored in the OIT to be downloaded into the controller after power-up. This feature saves time and ensures that the correct settings are always sent to the controller. The MicroOIT stores data internally using the recipe screen feature. With recipes, data can be uploaded from the controller and stored in the OIT's non-volatile flash memory. When needed, data can be sent back to the controller by pressing a key on the OIT or by sending a download command from the controller.

Multiple Language Support

This feature can be used to support control system applications in which multiple languages are required. For example, if you are creating a control system that may be sold to companies with offices around the world, you may not know which part of the world the system will be eventually shipped to at the time of manufacture. Without this feature, you would be forced to create multiple projects for the OIT, each in a different language. Then you would have to wait until the destination was known before configuring the OIT.

The multi-language feature allows you to "split" the 500 available OIT screens into 2, 5 or 10 separate groups or languages. Once configured, you create the screens tfor each language by using the copy and paste function and then changing the language. When the control system is shipped to its final destination, the OIT operator places the OIT into the setup mode and selects the language to be displayed.

Unequaled Versatility

Whether you are designing for one application or many, the OIT3185A & OIT4185A MicroOITs fit the bill. With 500 user-definable screens, 24 user-definable keys, and a user-definable keypad legend, these MicroOITs fit perfectly in any application.

Choose Your Own Keys

The OIT3185A & OIT4185A MicroOITs offer an innovative new feature that allows you to choose the exact keys that your application requires. In the past, you had to search for an operator interface terminal with just the right combination of keys; and when you couldn't find the perfect keypad layout, you had to settle for something different. Now, with the user-definable keypad feature standard on the OIT3185A & OIT4185A, it is easy to have the exact keypad layout you want; whether that includes function keys, a number pad, no keys at all, or almost any combination you can think of. Choose from the following key types.

Arrange the Keys

Install Your Own Keypad Legend

Rugged & Reliable

Tough enough to function almost anywhere, the OIT3185A & OIT4185A MicroOITs are sealed to NEMA 4/4X (indoor) /12 standards and meet CE specifications for electric noise immunity in industrial environments. In addition, these MicroOITs are listed by Underwriters Laboratories, Inc. for use in Class I, Division 2, Groups A, B, C, D or non-hazardous locations. Reliability is not sacrificed to keep these products affordable. We use the best components available to ensure that our products operate flawlessly.