Why Choose the Unitronics JZ20-J-R31 Jazz PLC + HMI?
The Unitronics JZ20-J-R31 is a compact and cost-effective all-in-one PLC and HMI controller from the popular Unitronics Jazz series. Designed for small to medium-sized automation projects, this powerful micro-PLC combines a programmable logic controller, operator interface and onboard I/O into a single compact unit, helping reduce panel space, wiring complexity and overall project costs.
Featuring a built-in text-based LCD display, integrated keypad and extensive onboard I/O, the JZ20-J-R31 provides a complete control solution for machinery, process control, HVAC systems, pumping stations and OEM equipment. Its user-friendly programming environment and integrated HMI capabilities make it ideal for applications requiring reliable control without the complexity of larger PLC systems.
With 18 digital inputs, 4 analogue inputs, 11 relay outputs, integrated communications and support for up to 40 onboard I/O points, the JZ20-J-R31 delivers impressive functionality within a compact and economical platform.
Key Advantages
- Integrated PLC and HMI in a single device.
- Compact design reduces panel space and installation costs.
- 18 digital inputs and 11 relay outputs onboard.
- Built-in text display and keypad for operator interaction.
- Supports analogue inputs for process control applications.
- Integrated Mini-USB communications port.
- Licence-free Unitronics U90 Ladder programming software.
- Suitable for OEM machinery and standalone automation systems.
Key Features
- Unitronics Jazz Series.
- Micro PLC with integrated HMI.
- 2-line, 16-character LCD display.
- 16-key keypad with 10 user-labelling keys.
- 18 digital inputs.
- 4 analogue inputs (2 voltage and 2 current).
- 11 relay outputs.
- 48 KB ladder program memory.
- Built-in real-time clock.
- Mini-USB programming port.
- Supports Modbus communications.
- Panel mounting with IP65 front protection.
All-in-One Automation Control Solution
The JZ20-J-R31 combines PLC functionality, operator interface and onboard I/O within a single compact unit. This integrated approach simplifies machine design, reduces installation time and lowers component costs while providing reliable control and monitoring capabilities.
Its built-in display and keypad allow operators to view machine status, modify parameters and access system information without requiring a separate HMI. Combined with flexible I/O and communication capabilities, the controller is well suited to standalone automation systems and OEM equipment.
Typical Applications
- Packaging machinery.
- HVAC and building automation.
- Pump control systems.
- Water and wastewater applications.
- Material handling equipment.
- Small manufacturing machines.
- OEM automation systems.
- Standalone process control applications.
