V120-22-UA2 Unitronics V120-22 OPLC,12/10IO,2/2 AN

Why Choose the Unitronics V120-22-UA2 Vision 120 PLC + HMI?

The Unitronics V120-22-UA2 is a compact, all-in-one programmable logic controller with integrated graphic HMI, 10 digital inputs, analog/TC inputs, 10 transistor outputs, analogue outputs, and dual serial ports. Ideal for industrial automation and SCADA connectivity, it supports MODBUS, GSM/SMS, CANopen/UniCAN, auto-tune PID control, and up to 256 I/O points.

Key Features

• Onboard I/O: 10 digital inputs (including one high-speed counter-capable), plus 2 configurable thermocouple or analog/digital inputs.
• High-speed/PWM outputs: 10 transistor outputs, first two support PWM outputs.
• Analog outputs: 2 channels for real-time control or signaling.
• Graphic HMI: 2.4″ monochrome STN LCD display (128×64) with 16-key keypad and up to 255 screens and hundreds of images.
• Communication ports: Dual RS-232/RS-485; optional GPRS/SMS modem, supports Modbus TCP/RTU, CANopen, UniCAN, OPC/DDE, FB Protocol Utility.
• Automation tools: Auto-tune PID (up to 12 loops), data tables, recipe programs, real-time scheduling.
• I/O expansion: Expand to up to 256 points using local or remote modules.
• Certifications & design: CE and UL Class I Div 2 certified; panel- or DIN-rail mountable with IP65 front rating.

Technical Specifications

• Model: V120-22-UA2 (Vision 120 Series)
• Inputs: 10 digital inputs (PNP/NPN configurable), 1 high-speed counter-capable; 2 thermocouple or analog/digital inputs (0 - 10V, 0 - 20mA, 4 - 20mA).
• Outputs: 10 transistor outputs (first two PWM capable); 2 analog outputs.
• HMI: 2.4″ STN monochrome LCD (128×64), white LED backlight, 16-key keypad.
• Memory: 448KB logic, 120KB dynamic table, 192KB fixed; micro-SD support up to 32GB.
• Communication: 2 RS-232/RS-485 ports; GSM/SMS and GPRS via modem; supports Modbus RTU/TCP, CANopen, UniCAN, OPC/DDE, FB Protocol Utility.
• Automation Features: Auto-tune PID (up to 12 loops), data logging, recipes, trends, alarms, date/time control.
• Expansion: Up to 256 I/O via EX-A2X or EX-RC1 expansion modules.
• Power: 24VDC supply.
• Operating Conditions: Ambient 0 - 50 °C; storage - 20 to +60 °C; humidity 10 - 95% non-condensing.
• Mounting & Protection: Panel mount (front IP65/NEMA 4X); DIN-rail (rear IP20).
• Certifications: CE; UL listed for Ordinary and Class I Division 2 hazardous environments.

Applications

• Embedded machine control and operator interface in compact panels.
• Process automation using analog, temperature, and PWM outputs.
• Remote monitoring and SCADA integration using Modbus, CAN, or GSM/SMS.
• Data-logging, PID control, and recipe handling in batch systems.
• I/O expansion in distributed industrial systems requiring remote modules.

Frequently Asked Questions

• What onboard I/O does the V120-22-UA2 include?
• Can its I/O be expanded?
• Which communication protocols and interfaces are supported?
• What automation features are available?
• What are its certification and environmental ratings?

Trusted by Automation Professionals

“Our engineers rely on the V120-22-UA2 for cost-sensitive, low-complexity installations requiring graphic HMI, analog control, and scalable I/O - all trusted in UL-rated panels.” - Systems Integrator