The M90/M91

What is the M90/M91?

The M90/M91OPLC™ is an innovative micro-PLC (Programmable Logic Controller) with a built-in operating panel that contains an LCD display screen and full numeric keypad for easy man-machine communication. The screen displays user-defined operator instructions and dynamic system data. The operator uses the programmable keypad to enter data into the system and to initiate functions.

The M90/M91-GSM can send and receive SMS messages, allowing you to monitor and control M90/M91-automated systems using your GSM cell phone, without having to approach the machine.

What are its advantages?
User-Friendly Operator Interface
Unlike traditional ‘blind’ PLCs, the M90/M91 enables the operator to easily change program parameters via the HMI operating panel.  The numeric keypad can be used to enter and modify variable application data--such as cutting length, timers, production quantities & part numbers. 
The LCD screen display can be used to monitor I/O status, timers, communication status, analog input and counter values.

A Model to Suit Any Application
Unitronics produces the M90/M91 in 12 models encompassing a variety of features: digital/analog/temperature measurement onboard I/Os, shaft-encoders and high-speed I/Os, CANbus/RS232/485 communications, real-time/date control, and the ability to hook up to 8 I/O expansion modules to a single M90/M91 controller.  

Easy Programming
U90 Ladder software provides a Windows environment for the creation of both the PLC Ladder control program, and the HMI operator interface. This saves you the time and effort of programming the HMI and PLC in 2 separate environments. 

The All-In-One Package
The complete M90/M91 package includes the M90/M91, U90 Ladder software, program download cable, mounting hardware, and manual.

See the complete M90/M91 line