Products > Control Systems: Hardware

MMI & OIT

MMI & OIT Control Systems. Man Machine Interface (MMI) and Operator Interface Terminals (OIT) are operator interfaces with which users interact in order to control other devices. Some include knobs, levers, and controls. Others provide programmable function keys or a full key pad. Devices that include a processor or interface to personal computers are also available. Many include alphanumeric or graphic displays. Some are web-enabled. Others include software drivers, a stylus, and support for a keyboard, mouse, and printer. Devices that are designed for harsh environments include enclosures that meet standards from the National Electronics Manufacturers’ Association (NEMA).

Things to Consider When Purchasing This Product:

Adequate lighting, Wheelchair accessible, Ease of use for normal ranges of manual dexterity, Legible labels, Numbered instructions, Controls reachable from wheelchair, Display screen, keypad, and/or controls shielded from sunlight, Parallax minimized or eliminated, Multi-lingual or Bilingual capabilities, Simple vocabulary, Inductive loop facility, Audio jack socket, Audible feedback of keyboard input, Speech output, Video link, Telephone layout for numeric keys, Raised dot on number 5, Clear visual markings on keys, Raised or recessed keys, Well spaced keys, Internally illuminated keys, Tactile feedback on keys, Generous time allowed for key input, Option to increase character size on display screens, Large key fields on touchscreens, Text accompanying graphical symbols, Speech output option, Security provisions, Instructions at least 16 point type size, Good contrast text, No background patterns, Easy to read typefaces, Short line lengths, Instruction manual, Instructions on audio tape or by video, Training provisions