Lovato’s LRD20RD024P1 Micro PLC base module delivers flexible control in compact form. Operating from a 24VDC auxiliary supply, it provides 20 I/O (12 inputs, 8 relay outputs) with a clear 4x16 LCD display for status and local indication. A built-in RS485 port streamlines network integration, while compliance with IEC/EN 61131-2, UL508 and CSA standards supports dependable performance in UK industrial panels.
Expand your system to 44 I/O using LRE modules, enabling more sensors and actuators without redesigning hardware. The unit’s operating temperature range of -20 to +55 °C and 0.6 Nm terminal torque rating aid reliable field installation, while the 360 g build is straightforward to mount. Ideal for machine control, building services and monitoring tasks requiring RS485 connectivity and clear local indication.
Key Benefits
24VDC rated supply for reliable panel integration and auxiliary power systems.
20 onboard I/O, expandable to 44 with LRE modules for scalability.
Relay outputs provide straightforward switching of external devices and circuits.
Built-in RS485 port enables easy network integration and data exchange.
LCD display (4x16) provides clear local status and information.
Wide operating temperature range suits demanding industrial environments.
Conforms to IEC/EN 61131-2, UL508 and CSA standards for safety.
Compact 360 g design simplifies installation in crowded control panels.
What’s Included
Lovato LRD20RD024P1 Micro PLC base module
Integrated LCD display and RS485 communication port
Downloadable user documentation
Compliance and safety information
Applications
Small machine and equipment control
Building services and HVAC control panels
Process monitoring and RS485 network communication
OEM control cabinets and panel retrofits
Utility and facility automation tasks
Technical Specifications
Product type designation
LRD20RD024P1
Terminal tightening torque (max)
0.6 Nm
Operating temperature
-20 to +55 °C
Storage temperature
-40 to +70 °C
Weight
360 g
HS Code
85371091
Frequently Asked Questions
What supply voltage does the LRD20RD024P1 require?
The rated supply voltage is 24VDC. Use a suitable DC auxiliary supply.
How many I/O points are available and can it be expanded?
It provides 20 I/O (12 inputs + 8 outputs) and can expand to 44 with LRE modules.
What type of outputs are built into the unit?
The built-in outputs are relay type, suitable for switching external loads.
Does it include communications and a display?
Yes, it features an RS485 communication port and an LCD display with 4 lines x 16 characters.
What environmental and standards compliances does it meet?
Operating temperature is -20 to +55 °C, and it conforms to IEC/EN 61131-2, UL508 and CSA C22.2 n° 142.
Safety note: Install and wire with power isolated, tighten terminals to a maximum of 0.6 Nm, and operate within the specified temperature range and standards for safe use.
Product type designation
LRD20RD024P1
Terminal tightening torque (max)
0.6 Nm
Operating temperature
-20 to +55 °C
Storage temperature
-40 to +70 °C
Weight
360 g
HS Code
85371091
No documents available for this product.
Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
Returns
If you need to return an item, please contact our sales team within 30 days of receipt. Items must be returned unused in their original packaging.
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
Priority sourcing and supply support
Flexible payment terms for qualifying organisations
Support for engineering, maintenance, and operations
500 +
Stock lines ready to ship
1,000 +
Same day dispatches
3500 +
Customers supported
28
Trusted Manfacturers
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Common questions about our products and support
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
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We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...