Unitronics Vision V120 - User Manual

General Description
The products listed above are micro-PLC+HMIs, rugged programmable logic controllers that comprise
built-in operating panels.
Detailed Installation Guides containing the I/O wiring diagrams for these models, technical specifications,
and additional documentation are located in the Technical Library in the Unitronics website:
https://unitronicsplc.com/support-technical-library/
Alert Symbols and General Restrictions
When any of the following symbols appear, read the associated information carefully.
Symbol
Meaning
Description
Danger
The identified danger causes physical and property damage.
Warning
The identified danger could cause physical and property damage.
Caution
Caution
Use caution.
▪ Before using this product, the user must read and understand this document.
▪ All examples and diagrams are intended to aid understanding, and do not guarantee operation.
Unitronics accepts no responsibility for actual use of this product based on these examples.
▪ Please dispose of this product according to local and national standards and regulations.
▪ Only qualified service personnel should open this device or carry out repairs.
▪ Failure to comply with appropriate safety guidelines can cause severe injury or property
damage.
▪ Do not attempt to use this device with parameters that exceed permissible levels.
▪ To avoid damaging the system, do not connect/disconnect the device when power is on.
Environmental Considerations
▪ Do not install in areas with: excessive or conductive dust, corrosive or flammable gas,
moisture or rain, excessive heat, regular impact shocks or excessive vibration, in
accordance with the standards given in the product’s technical specification sheet.
▪ Do not place in water or let water leak onto the unit.
▪ Do not allow debris to fall inside the unit during installation.
▪ Ventilation: 10mm space required between controller’s top/bottom edges & enclosure walls.
▪ Install at maximum distance from high-voltage cables and power equipment.
Vision V120™ , M91™ PLC
User Guide
V120-22-R2C
M91-2-R2C
1

Unitronics Vision V120 Specifications

General

Brand	Unitronics
Model	Vision V120
Category	Controller
Language	English

Summary

General Description and Safety

General Description

Overview of micro-PLC+HMIs and where to find detailed documentation.

Alert Symbols and General Restrictions

Explanation of symbols and general safety guidelines for product use.

Environmental Considerations

Guidelines for installing the device in various environmental conditions.

Mounting Procedures

Panel Mounting

Instructions for mounting the controller onto a panel, including cut-out size.

DIN-rail Mounting

Steps for securely snapping the controller onto a DIN rail.

Wiring and Grounding

Wiring

Safety precautions and general guidelines for wiring the controller.

Wiring Procedure

Steps and guidelines for connecting wires using crimp terminals.

Earthing the Product

Recommendations for earthing the product to maximize performance and avoid EMI.

UL Compliance and Ratings

UL Compliance

Information on UL listing for hazardous and ordinary locations.

UL Ordinary Location

Requirements for mounting the device in UL ordinary locations.

UL Hazardous Locations

Information on UL certification for hazardous locations, Class I, Division 2.

Relay Output Ratings

Ratings for relay outputs in hazardous and non-hazardous environments.

Temperature Ranges

Operating temperature limits for controllers in different environments.

Battery Replacement

Procedure and precautions for replacing the controller battery.

Technical Specifications

V120-22-R2 C Specifications

Detailed specifications for V120-22-R2C, including power, inputs, and counters.

General Warnings

Important safety warnings regarding wiring and product usage.

Analog Input Specifications

Details on analog input types, conversion, and connections.

Digital Output Specifications

Information on digital output types, isolation, and current.

Relay Output Specifications

Details on relay output type, isolation, current, and contact protection.

Real-Time Clock

Information about the RTC, battery backup, and operating conditions.

M91-2-R2 C Specifications

Detailed specifications for M91-2-R2C, including power, inputs, and counters.

Display and Keypad Specifications

Details on the graphic display and keypad features.

PLC Program Specifications

Information on PLC program memory, timers, and counters.

Communication Ports

Details on RS232/RS485, I/O expansion, and CANbus ports.

Jumper Settings and Configuration

Digital Inputs Type

Settings for JP1 to configure digital input type (npn/pnp).

Digital Inputs Voltage

Settings for JP2 to configure digital input voltage (12V/24VDC).

Analog Inputs Type

Settings for JP3/JP4 for analog input type (Voltage/Current).

Power Supply Voltage

Settings for JP5/JP6 for power supply voltage range.

Communication Port Details

Communication Ports Overview

Note on different controller models' serial and CANbus options.

Serial Communications

Configuration of RS232 or RS485 serial ports for programming and networking.

Pinouts

Pin assignments for RS232 and RS485 serial ports.

RS232 to RS485: Changing Jumper Settings

Instructions for changing jumpers to adapt serial ports for RS485.

Opening the Controller

Opening Procedure

Step-by-step guide on how to safely open the controller to access jumpers.

Jumper Settings Tables

M91: RS232;RS485 Jumper Settings

Tables detailing jumper settings for M91 series for RS232/RS485 configuration.

V120: RS232;RS485 Jumper Settings

Tables detailing jumper settings for V120 series for RS232/RS485 configuration.

CANbus Network

CANbus Port

Information on creating a decentralized control network using CANbus.

CANbus Wiring

Guidelines for wiring the CANbus network, including cable and terminators.

CANbus Connector

Diagram and description of the CANbus connector pinout.