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5 Key Differences Between ESP32 PLC and Arduino PLC Systems
Posted By erq os
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To enable programming control that is used to automate and control the behavior of electronic devices and processes, we have the Programmable Logic Controllers (PLCs). There are certain differences between them in terms of capability and application, although ESP32 and arduino boards can be programmed as PLCs.
This article will highlight 5 major differences between ESP32 PLC and Arduino PLC systems pertaining to connectivity, I/O interfaces, processing power, programming complexity, and industrial suitability. Identifying these contrasting features will help you determine which platform better matches your specific project requirements.
1. Processing Power and Speed
Compared to the Arduino PLC, the ESP32 PLC accelerates a great deal of power and pace. The interesting fact about ESP32 is that it has a dual-core processor, capable of working up to 240 MHz, while the basic Arduino processors are single-core and clocked at 16 MHz. The disparity in processing powers implies that the ESP32 can deal with progressively complex undertakings, gather and process information quicker, and bolster more gadgets at a go. It is perfect for use in systems that need on-the-go data operation like advanced substantially automation connections arrangements or industrial monitoring structures.
2. Connectivity Options
Regarding connectivity, the ESP32 undeniably stands out due to the integrated WiFi PLC and Bluetooth PLC modules. This makes it simple to implement within IoT (Internet of Things) projects and can be controlled from a distance, with data acquisition not requiring any additional modules.
Conversely to, Arduino PLC systems can be enabled with WiFi and Bluetooth functionality however, this often comes in the form of additional shields or modules that need to be introduced. This complicates not only your projects but also your setup's total cost and footprint.
3. Power Consumption
Another important aspect is that of power consumption. The main selling point of the ESP32 PLC is the built-in power-saving mechanisms, as it features a variety of sleep stages and power domains that enable the microcontroller’s built-in power management system to put the SoC into the REST sleep mode when the processor is not undertaking demanding operations. This makes it perfect for applications that normally use power from batteries or portable applications. On the other hand, Arduino PLC systems are not known for power consumption, but neither do they come with the exciting power management features of ESP32 that might result in limited battery life in cases where power conservation is important.
4. Industrial Suitability
Rugged form factors like DIN rail mounts along with screw terminal connections, make industrial-grade Arduino PLCs suitable for harsh plant environments. ESP32 lacks the protective casings and screw-type terminals commonly demanded in industrial settings.
5. I/O Interfaces
The available input/output pins are generally higher on standard Arduino boards than ESP32 dev boards. Expanding I/O ports on ESP32 requires additional multiplexer circuits. However, industrial ESP32 PLCs come integrated with sizeable I/O terminals comparable to that of Arduino PLCs.
Conclusion
To summarize, while Wi-Fi/BT connectivity, processing performance and I/O expandability favors ESP32 PLC, ease of programming and out-of-the-box industrial compatibility gives Arduino PLC an edge. Get the best of both worlds with hybrid ESP32-Arduino PLC solutions! Visit https://erqos.com/ for all your PLC and automation parts.
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