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A Clear Introduction to Delta Family PLC

 Delta Electronics is a Taiwanese company that manufactures a wide range of industrial automation products, including Programmable Logic Controllers (PLCs). Delta's PLC product line, known as the DVP series, includes several PLC families ranging from small, cost-effective units to larger, more advanced models.


  1. DVP series PLC is known for its user-friendly programming software and high performance. PLCs use the ladder logic programming language and are suitable for small to medium automation projects. Below are some main series of Delta PLCs:
  2. DVP-SS Series: The DVP-SS Series is a cost-effective PLC series offering up to 32 I/O points. Compact and easy to install, these PLCs are suitable for small automation projects. The DVP-SS Series offers multiple communication options including RS-232, RS-485 and Ethernet.

  4. DVP-SA Series: The DVP-SA series is a mid-range PLC series offering up to 128 I/O points. These PLCs are suitable for medium-sized automation projects and offer advanced features such as built-in analog inputs and outputs, high-speed pulse counting and position control.
  5. DVP-SX series: DVP-SX series is a high-performance PLC series that can provide up to 512 I/O points. These PLCs are suitable for large automation projects and offer advanced features such as high-speed communication, built-in Ethernet and motion control capabilities.
  6. DVP-SC Series: The DVP-SC Series is a compact and cost-effective PLC series offering up to 128 I/O points. These PLCs are suitable for small to medium automation projects and offer advanced features such as built-in Ethernet, high-speed pulse counting and position control.
  7. The Delta PLC comes with a user-friendly programming software called WPLSoft, which is available for free on the Delta website. The software is compatible with all Delta PLCs and provides useful functions such as emulation mode, debugging tools and built-in function blocks.


Delta's DVP series PLCs offer a wide range of options for small to medium automation projects. PLCs are known for their user-friendly programming software, cost-effectiveness and high performance. The key is to choose the right Delta PLC model, which not only meets your project needs, but also meets your knowledge and experience in automation control technology. It is a good choice.

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