Why Choose the Unitronics JZ20-R31 PLC + HMI Controller?
The Unitronics JZ20-R31 is a powerful and highly versatile all-in-one PLC and HMI controller from the proven Jazz® series. Combining a programmable logic controller, operator interface and extensive onboard I/O within a single compact unit, it provides a cost-effective solution for industrial automation, machine control and OEM equipment applications.
Designed for machine builders, control panel manufacturers and automation engineers, the JZ20-R31 simplifies system architecture by integrating PLC functionality and operator interaction into one device. Its built-in LCD display and keypad enable operators to monitor processes, adjust parameters and respond to alarms without requiring a separate HMI terminal.
Powered by a 24 V DC supply, the JZ20-R31 features 18 digital inputs, 2 configurable digital/analogue inputs, 2 analogue inputs and 11 relay outputs. This extensive onboard I/O capability makes it ideal for compact automation systems where flexibility and reliability are essential.
Key Advantages
- Integrated PLC and HMI in one compact controller.
- 11 relay outputs for controlling industrial loads.
- 18 digital inputs for sensors and switches.
- Built-in LCD display and keypad for operator interaction.
- Supports analogue and digital signal processing.
- Reduces panel space, wiring and installation costs.
- Free U90™ Ladder programming software.
Key Features
- Jazz® PLC + HMI platform.
- 2 × 16 character LCD display.
- 16-key operator keypad.
- 18 digital inputs.
- 2 configurable digital/analogue inputs.
- 2 analogue inputs.
- 11 relay outputs.
- Built-in USB programming port.
- Real-time clock with battery backup.
- MODBUS communication support.
- High-speed counter inputs up to 10 kHz.
- IP65 front panel protection when mounted.
Powerful Automation in a Compact Platform
The JZ20-R31 delivers advanced control capabilities in a compact and economical package. By combining PLC functionality, operator interface and onboard I/O, it reduces hardware requirements while simplifying installation and maintenance.
Its generous I/O capacity allows a single controller to manage a wide variety of sensors, analogue signals and output devices. With support for MODBUS communications, high-speed counting and integrated operator messaging, the controller is suitable for both standalone machines and networked automation systems.
Typical Applications
- Packaging and assembly machinery.
- Conveyor and material handling systems.
- Pump and compressor control.
- HVAC and building automation.
- Industrial monitoring systems.
- OEM machinery and equipment.
- Water treatment and utility systems.
- Factory automation applications.