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JZ20-R31 Unitronics JAZZ OPLC,Di 2X16,20/11IO,AN,USB
MPN: JZ20-R31
Alt. SKU: JZ20R31
Special Price
£194.57
£162.14
Regular Price
£228.90
Why Choose the Unitronics JZ20-R31 Micro-OPLC?
The Unitronics JZ20-R31 is a versatile Jazz2-series micro OPLC with integrated HMI ideal for mid-range automation and control applications. Featuring a built-in text LCD display, comprehensive I/O, and support for USB, MODBUS, and optional GSM connectivity, it offers reliable performance in compact, rugged form.
Technical Specifications
- Model: JZ20-R31 (also JZ20-J-R31)
- Power Supply: 24VDC (20.4 - 28.8V) with max current consumption ~160mA (~2.8W)
- Digital Inputs: 18 total (I0 - I15 fixed; I16 - I17 flexible, configurable as digital or analogue)
- High-Speed Inputs: I0 and I1 support pulse counting up to 10kHz
- Analogue Inputs: Up to 4 inputs (AN0 - AN3), configurable for 0 - 10V or 4 - 20mA signals
- Digital Outputs: 11 relay outputs (SPST-NO), each rated up to 3A (resistive load), 8A common max
- Display: 2-line STN LCD with yellow-green LED backlight, 16 characters per line
- Keypad: 16 sealed-membrane keys including 10 user-labelable slide keys
- Memory & Performance: 48KB ladder memory, 256 timers, execution time ~1.5μs per bit operation
- Communications: Built-in mini-USB port, supports MODBUS protocol; optional GSM add-on module available
- Environmental Rating: Operating temperature 0 - 50 °C; humidity 10 - 95% RH (non-condensing); IP65 panel-mounted or IP20 DIN-rail mounted
- Dimensions & Weight: Approx. 147.5×117×46.6mm; weight ~300g (10.6oz)
- Battery Backup: RTC and system variables retained for up to 7years
- Certifications: UL listed, CE and EAC compliant
Typical Applications
- Industrial automation in panel-mounted systems
- Machine control with human-machine interface
- MODBUS-based data exchange in multi-node environments
- GSM-enabled remote telemetry or alerting (with module)
Frequently Asked Questions
- How many inputs and outputs does the JZ20-R31 support?
- Can I configure analogue inputs on I16 and I17?
- Is programming via USB supported?
- Does it support MODBUS or GSM communication?
- What environmental rating and mounting options are available?
It provides 18 digital inputs (including two high-speed inputs) and 11 relay outputs rated at 3A each.
Yes, I16 and I17 are flexible and can be wired either as digital (PNP/NPN) or analogue (voltage) inputs depending on your application.
Yes. A built-in mini-USB port allows direct programming and communication using Unitronics U90 software.
MODBUS support is built-in. GSM connectivity is also possible using an optional add-on module.
The unit supports IP20 protection for DIN-rail mounting and IP65 rating when panel-mounted. It operates in ambient temperatures from 0 °C to +50 °C.
| Packed Quantity | 1 |
|---|---|
| Manufacturer | Unitronics |
| Manufacturer Part Number | JZ20-R31 |
| Alternative Product SKU | JZ20R31 |
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