V350-35-R34 Unitronics V350-R34 OPLC,3.5",22I,2A,12R

Why Choose the Unitronics V350-35-R34 Vision 350 PLC + HMI?

The Unitronics V350-35-R34 is an industrial-grade programmable logic controller integrated with a 3.5″ color touchscreen HMI and versatile onboard I/O. With 22 digital inputs (including configurable analog and high-speed counters), 12 relay outputs, and expandable support for up to 512 I/O points, it delivers reliable automation, process control, and data-logging capabilities in compact panel installations.

Key Features

• Onboard I/O: 22 digital inputs (configurable: 2 analog, 3 high-speed counter/shaft-encoder); 12 SPST-NO relay outputs.
• I/O Expansion: Supports up to 512 I/O points via local expansion or CANbus UniCAN modules.
• Color HMI: 3.5″ QVGA touch display with support for up to 1,024 screens, trends, alarms, recipes and image library.
• Built-in automation tools: Up to 24 auto-tuned PID loops, recipe/data tables, email/SMS/GPRS alerts and embedded web server.
• Communications: One built-in RS-232/RS-485 port; optional serial/Ethernet/Profibus and CANbus modules; supports Modbus, OPC, SNMP, UniCAN, GPRS remote access.
• Power supply: 24VDC (20.4 - 28.8V); current consumption up to 275mA with NPN inputs (~200mA with PNP inputs).
• Robust industrial design: Panel-mounted IP65/66/NEMA4X, DIN-rail IP20; operational range 0 - 50 °C; supports humidity 10 - 95% non-condensing. Compact size (~109×114.1×68mm, weight ~227g).
• Certifications: CE compliant; UL-listed for hazardous environments (ClassI Division2) with 3A resistive relay maximum in such locations.

Frequently Asked Questions

• What I/O configurations are available?
• Can the I/O be expanded?
• Does it support PID loops and data logging?
• What communications and protocols are supported?
• What are its environmental & certification ratings?

Technical Specifications

• Model: V350-35-R34 (Vision 350 Series)
• Digital Inputs: 22 ports (including up to 2 analog and 3 HSC/shaft-encoder configurable via wiring/jumpers).
• Analog Inputs: Up to 2 channels multifunction (0 - 10V, 0 - 20mA, 4 - 20mA).
• Relay Outputs: 12 SPST-NO; each rated up to 3A resistive, 8A total per common.
• I/O Expansion: Up to 512 I/O via UniCAN-compatible modules.
• Display: 3.5″ TFT touchscreen, QVGA resolution, 65,536 colors.
• Memory: 1MB application logic; 120KB dynamic; 192KB fixed; micro-SD support up to 32GB.
• Communications: Port1: RS-232/RS-485/USB; Port2: optional serial/Ethernet; Port3: optional CANbus/Profibus. Protocols: Modbus, OPC, SNMP, UniCAN, remote access via GPRS.
• Power Supply: 24VDC nominal (20.4 - 28.8V); max current: 275mA (NPN inputs), 200mA (PNP).
• Operating Conditions: 0 °C to 50 °C; storage 20 °C to +60 °C; 10 - 95% RH non-condensing.
• Physical Dimensions & Weight: ~109 ×114.1 ×68mm; ~227g.
• Certifications: CE; UL listed for ClassI Division2 hazardous use with relay current limits.

Applications

• Machine and process automation requiring robust relay outputs and counter or analog inputs
• Data-logging and recipe management with built-in PID loops and alarms
• HMI-based control and monitoring with remote connectivity via SMS/GPRS or Ethernet
• Expandability for larger I/O counts in factory or SCADA architectures
• Panel-mounted applications in industrial or hazardous (ClassI Division2) environments

Trusted by Automation Professionals

“Our teams rely on the V350-35-R34 where robust relay outputs, high-speed counting, and relay-based control are critical - ideal for clean, compact installations with remote access.” - Industrial Automation Engineer