Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
JZ20-J-R31 Unitronics Jazz Textual display and keybord HMI and PLC with upto 40 onboard I/Os
Unitronics JZ20-J-R31 Jazz all-in-one PLC and HMI controller featuring 18 digital inputs, 4 analogue inputs, 11 relay outputs, integrated LCD display and keypad for industrial automation applications.
£169.58
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.
Technical Specifications
Tick the specs you need, then view products that match.
| Communication | Modbus RTU, RS232, RS485, USB | |
|---|---|---|
| Product Series | Unitronics Jazz | |
| Coil / Supply Voltage | 24 V DC | |
| Display | Text / graphic LCD + keypad | |
| Digital Inputs | 18 | |
| Digital Outputs | 11 | |
| Analogue I/O | 4 AI / 0 AO | |
| Voltage | 24 V | |
| IP Rating | IP65 | |
| Series | Jazz | |
| Product type | PLC with integrated HMI | |
| Supply voltage | 24 VDC | |
| Operating voltage range | 20.4 to 28.8 VDC | |
| Typical power consumption | 2.8 W | |
| Digital inputs | 18 | |
| Analogue inputs | 4 | |
| Relay outputs | 11 | |
| High-speed inputs | 2 × 10 kHz | |
| Display | 2-line monochrome LCD | |
| Keyboard | 16 keys | |
| Program memory | 48 KB ladder memory | |
| Communications | Mini-USB, RS232, RS485, Modbus | |
| Real-time clock | Built-in | |
| Battery backup | Up to 7 years typical | |
| Protection rating | IP65 front mounted | |
| Operating temperature | 0°C to +50°C | |
| Dimensions (H × W × D) | 117 × 147.5 × 46.6 mm |
Frequently Asked Questions
What is the Unitronics JZ20-J-R31 used for?
The JZ20-J-R31 is an all-in-one PLC and HMI controller designed for small to medium-sized automation and machine control applications.
How many inputs and outputs does the controller provide?
The controller includes 18 digital inputs, 4 analogue inputs and 11 relay outputs.
Does the JZ20-J-R31 include an operator interface?
Yes. The unit features a built-in LCD display and a 16-key keypad, allowing operators to view and modify process information directly from the controller.
What communications options are available?
The controller supports Mini-USB programming, RS232, RS485 and Modbus communication protocols.
Is the controller suitable for industrial environments?
Yes. When panel mounted, the controller provides an IP65-rated front panel and is designed for industrial operating conditions.
Trusted by Machine Builders Worldwide
Unitronics Jazz controllers are widely used by OEMs and automation engineers who require a compact, reliable and cost-effective PLC and HMI solution with integrated I/O and operator control functionality.
