JZ20-J-UN20 Unitronics Jazz Textual display and keybord HMI and PLC with upto 40 onboard I/Os

Why Choose the Unitronics JZ20-J-UN20 Jazz PLC + HMI?

The Unitronics JZ20-J-UN20 is a versatile all-in-one PLC and HMI controller from the proven Unitronics Jazz series. Designed for machine builders, OEM manufacturers and industrial automation professionals, this compact controller combines programmable logic control, a built-in textual HMI, keypad and extensive onboard I/O into a single space-saving device.

The integrated design reduces panel complexity, minimises wiring requirements and lowers overall system costs while providing advanced control functionality typically associated with much larger PLC systems. The controller supports digital, analogue and temperature inputs, making it particularly suitable for process control, machine automation and temperature monitoring applications.

Featuring 9 digital inputs, 2 configurable digital/analogue inputs, 1 analogue input, 1 PT100/Thermocouple temperature input, 5 relay outputs and 2 transistor outputs, the JZ20-J-UN20 provides exceptional flexibility for a wide range of industrial automation tasks.

Key Advantages

• Integrated PLC, HMI and I/O in a single compact controller.
• Direct support for PT100 and thermocouple temperature sensors.
• Combination of relay and transistor outputs for flexible control.
• Built-in LCD display and operator keypad.
• Supports Modbus communications and remote access functions.
• Licence-free Unitronics U90 Ladder programming software.
• Ideal for process control and temperature monitoring applications.
• Reduces installation time and overall system costs.

Key Features

• Unitronics Jazz Series.
• Integrated PLC and textual HMI.
• 2-line LCD display with LED backlight.
• 16-key operator keypad.
• 9 digital inputs.
• 2 configurable digital/analogue inputs.
• 1 analogue input.
• 1 PT100 / Thermocouple temperature input.
• 5 relay outputs.
• 2 transistor outputs with PWM capability.
• Built-in Mini USB programming port.
• Real-time clock and battery-backed memory.
• Modbus communication support.
• Panel mounting with IP65 protection.

Technical Specifications

• Manufacturer: Unitronics
• Series: Jazz
• Model: JZ20-J-UN20
• Product type: PLC + HMI controller
• Power supply: 24 VDC
• Display: 2-line LCD display
• Display capacity: 2 × 16 characters
• Keypad: 16-key operator keypad
• Digital inputs: 9
• Digital / analogue inputs: 2
• Analogue inputs: 1
• Temperature inputs: 1 PT100 / Thermocouple
• Relay outputs: 5
• Transistor outputs: 2 PNP outputs
• High-speed counter: 10 kHz
• PWM outputs: Supported
• Program memory: 48 KB ladder code
• Programming port: Mini USB
• Communication: Modbus compatible
• Protection rating: IP65 / NEMA 4X (front panel)
• Operating temperature: 0°C to +50°C
• Mounting type: Panel mounting
• Dimensions (W × H × D): Approx. 147.5 × 117 × 46.6 mm
• Weight: Approx. 0.5 kg

Ideal for Temperature and Process Control Applications

The JZ20-J-UN20 is particularly well suited to applications requiring direct temperature measurement and process monitoring. Its built-in PT100 and thermocouple input enables direct connection of temperature sensors without requiring additional signal conditioning hardware, helping simplify system design and reduce installation costs.

The integrated HMI, relay outputs, transistor outputs and analogue capabilities enable engineers to create compact control systems for heating, cooling, machine automation and industrial process applications while maintaining straightforward programming and operation.

Typical Applications

• Temperature control systems.
• Industrial ovens and furnaces.
• HVAC and building automation.
• Water and wastewater treatment.
• Packaging and process machinery.
• Heating and cooling systems.
• OEM automation equipment.
• Standalone industrial control projects.

Trusted by Automation Engineers Worldwide

Unitronics Jazz PLC controllers are trusted by machine builders and automation professionals worldwide for delivering reliable control, integrated operator interfaces and cost-effective automation solutions across industrial and process control applications.