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10 I/Os PLC Module - CPU Arduino NANO (Optoisolated Output)
The 10 I/Os PLC Module is an industrial programmable logic controller based on the Arduino Nano. It provides a simple, cost-effective, and open-source approa...
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The 10 I/Os PLC Module is an industrial programmable logic controller based on the Arduino Nano. It provides a simple, cost-effective, and open-source approach to industrial monitoring and control, with standardised PLC connectors and support for RS485, Ethernet (TCP/IP, Modbus TCP, Modbus RTU), and optoisolated inputs and outputs.
Powered by 12–24V DC, the module is designed for real-world industrial environments with optoisolated digital I/O for reliable signal handling. Program it using the Arduino IDE and leverage the full Arduino ecosystem of libraries and community support.
Key Features
- Arduino Nano MCU – ATmega328P at 16MHz with 32KB Flash, 2KB SRAM, and 1KB EEPROM
- 10 I/O Interfaces – Digital inputs (3.3–24V DC at 10Hz / 220V AC) and optoisolated digital outputs (24V DC)
- Standardised PLC Connectors – Industrial-grade connectors for reliable wiring
- RS485 Communication – Modbus RTU support for industrial networking
- Ethernet Port – TCP/IP and Modbus TCP connectivity
- USB Programming – Program via Arduino IDE over USB
- 12–24V DC Power – Operating range 11.4–25.4V DC, rated power 30W, max current 1.5A
- Optoisolated Outputs – Electrically isolated for noise immunity and protection
Specifications
- Working Temperature – 0°C to 60°C
- Working Humidity – 10%–90%
- Storage Temperature – -20°C to 60°C
Ideal For
- Industrial machine monitoring and control
- AC and DC motor control
- HVAC systems (fans, pumps, air conditioning)
- Elevator control systems
- Alarm and security automation
- Production line automation
Package Contents
- 1× 10 I/Os PLC Module – CPU Arduino Nano (Optoisolated Output)
Resources
Jargon buster
Plain-language definitions for the technical terms used above.
- ATmega328P
- An 8-bit microcontroller chip used on many Arduino Uno-compatible boards. Knowing the controller uses an ATmega328P helps you understand its memory, speed, pin compatibility, and the Arduino sketches it can run.
- DC
- DC means direct current, where electricity flows in one constant direction, as supplied by batteries, USB ports and many plug-pack power supplies. When a product specifies DC, it runs from a DC supply rather than mains AC, so you need to provide the correct voltage and polarity.
- EEPROM
- A type of non-volatile memory that keeps stored data even when power is turned off. In a sensor module, it can be used to store settings or calibration data so they do not need to be re-entered every time.
- IDE
- Short for Integrated Development Environment, a program used to write, run and manage code. It matters because some learners prefer a traditional coding workspace instead of a guided notebook-style lesson.
- Modbus
- Modbus is an industrial communication protocol used by many meters, sensors, PLCs and automation devices. When a product lists Modbus support, it is generally easier to integrate with existing industrial equipment that speaks the same protocol.
- Modbus RTU
- Modbus RTU is a version of the Modbus protocol that runs over serial wiring, commonly RS485. When a product lists Modbus RTU, it can connect to industrial sensors, meters or drives that use serial Modbus rather than Ethernet.
- Modbus TCP
- Modbus TCP is a version of the Modbus protocol that runs over Ethernet networks. When a product lists Modbus TCP, it can connect to industrial systems that communicate over standard network cabling.
- RS485
- RS485 is a robust differential serial communication standard often used in factories, farms and buildings where cables may be long or electrically noisy, and it can link many devices on a single pair of wires. When a product lists RS485, it can communicate with industrial sensors, meters and control equipment over longer distances than typical hobby serial wiring.
- SRAM
- Fast temporary memory used by a processor while a program is running. More SRAM helps with projects that handle larger data buffers, networking, displays, or more complex code.
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