SM43-J-TA22 Unitronics Samba 4.3" colour touchscreen HMI and PLC with onboard I/O configurations

Why Choose the Unitronics SM43-J-TA22 PLC with Integrated Touchscreen HMI?

The Unitronics SM43-J-TA22 is a high-performance PLC with integrated colour touchscreen HMI designed for advanced machine control, process automation and industrial monitoring applications. As part of the powerful Unitronics Samba series, it combines a programmable logic controller, operator interface and onboard I/O into a single compact platform, reducing hardware costs, simplifying wiring and minimising panel space requirements.

Designed for OEM machine builders, automation engineers and control panel manufacturers, the SM43-J-TA22 delivers sophisticated control capabilities alongside an intuitive 4.3-inch TFT touchscreen display. The integrated design allows both PLC programming and HMI development within a single software environment, reducing engineering complexity while improving commissioning efficiency.

Featuring 12 digital inputs, 2 analogue inputs, 2 PT100/thermocouple inputs, 8 transistor outputs and 2 analogue outputs, the SM43-J-TA22 is ideally suited for packaging machinery, HVAC systems, pumping stations, water treatment plants and industrial process control applications. Its robust industrial construction ensures reliable operation in demanding environments.

Key Advantages

• Integrated PLC and colour touchscreen HMI in a single compact device.
• 4.3-inch TFT colour touchscreen display with intuitive operation.
• 12 digital inputs and 8 transistor outputs.
• Built-in analogue, PT100 and thermocouple input capability.
• 2 analogue outputs for advanced process control.
• Supports optional Ethernet, RS485 and CANbus communications.
• Reduces installation costs and panel space requirements.

Key Features

• Unitronics Samba PLC + HMI platform.
• 4.3-inch TFT full-colour touchscreen display.
• 480 × 272 pixel display resolution.
• 12 digital inputs including high-speed counter functionality.
• 2 analogue inputs.
• 2 PT100 / thermocouple temperature inputs.
• 8 transistor outputs.
• 2 analogue outputs.
• USB programming and communication port.
• MODBUS communication support.
• Integrated real-time clock with battery backup.
• Programming via Unitronics VisiLogic software.

Technical Specifications

• Manufacturer: Unitronics
• Series: Samba PLC + HMI
• Model: SM43-J-TA22
• Product type: PLC with integrated touchscreen HMI
• Supply voltage: 24 VDC
• Operating voltage range: 20.4 to 28.8 VDC
• Display size: 4.3-inch TFT colour touchscreen
• Display resolution: 480 × 272 pixels
• Digital inputs: 12
• Analogue inputs: 2
• PT100 / Thermocouple inputs: 2
• Digital outputs: 8 transistor outputs
• Analogue outputs: 2
• Output type: PNP transistor
• Communication: USB, optional Ethernet, RS232/RS485 and CANbus
• Protection rating: IP66 / NEMA 4X front panel
• Operating temperature: 0°C to 50°C
• Dimensions (H × W × D): 136 × 105.1 × 61.3 mm
• Weight: Approx. 365 g

Advanced Process Monitoring and Machine Control

The SM43-J-TA22 is designed for applications requiring both machine automation and process control. Integrated analogue inputs, analogue outputs and temperature measurement capability allow direct connection to sensors, transmitters, control valves and temperature probes without additional expansion hardware.

Using Unitronics VisiLogic software, engineers can create PLC logic and touchscreen applications within a unified development environment. Advanced functionality includes data logging, PID control, alarm management, recipe handling, remote access and industrial communications, making the controller suitable for a wide range of automation projects.

Typical Applications

• Packaging and production machinery.
• Water treatment and pumping systems.
• HVAC and building automation.
• Food and beverage processing equipment.
• Industrial process control systems.
• Material handling and conveyor automation.
• OEM machine building projects.

Trusted by Automation Engineers Worldwide

Unitronics Samba controllers are widely used by OEMs, machine builders and automation professionals who require advanced control functionality, integrated touchscreen operation and flexible industrial communications within a compact controller platform.