Unitronics Vision V120 & M91 PLC User Guide

This document provides essential information for the installation, operation, and maintenance of Unitronics Vision V120 and M91 series Programmable Logic Controllers (PLCs) with integrated HMIs. It details general descriptions, safety precautions, mounting instructions, wiring guidelines, and technical specifications, including UL ratings for hazardous and ordinary locations.

Key Features and Specifications

The Vision V120 and M91 PLCs are rugged, micro-PLC+HMI units designed for industrial automation. Key specifications include:

  • Multiple digital and analog I/O options
  • High-speed counter and shaft encoder capabilities
  • RS232/RS485 communication ports
  • CANbus connectivity for networked control
  • Wide operating temperature range
  • Compliance with UL standards for hazardous and ordinary locations

Installation and Wiring

Detailed instructions are provided for panel mounting and DIN-rail mounting. Proper wiring is crucial for safe and efficient operation. The guide emphasizes:

  • Adhering to safety warnings and precautions
  • Using appropriate wiring methods and cable types
  • Ensuring correct connections for digital, analog, and communication ports
  • Proper earthing for electromagnetic interference reduction

For more detailed technical information and documentation, visit the Unitronics Technical Library at: https://unitronicsplc.com/support-technical-library/

Models: Vision 120 Programmable Logic Controller, Vision 120, Programmable Logic Controller, Logic Controller, Controller

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UG V120 M91-RA22

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