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Automation Networks

PLC-520C Processor

The PLC-520C processor is a specific model within the PLC product lineup by AutomationDirect, a company known for providing affordable and reliable industrial automation solutions. The PLC-520C processor is part of the DirectLOGIC 205 series, which is a modular and expandable PLC system designed for various industrial automation applications.

Key Features of the PLC-520C Processor

  1. High Performance: The PLC-520C processor offers robust processing capabilities suitable for a wide range of industrial automation tasks.
  2. Modular Design: Part of the DirectLOGIC 205 series, it allows for easy expansion and customization with a variety of I/O modules and communication options.
  3. Memory: Adequate memory to handle complex control programs and data storage needs.
  4. Communication: Supports multiple communication protocols and interfaces for easy integration with other devices and systems.
  5. Ease of Use: Designed for ease of programming and configuration using AutomationDirect’s software tools.
  6. Cost-Effective: Offers a cost-effective solution for small to mid-sized automation projects.

Technical Specifications

  • CPU Speed: High-speed processing capabilities to handle demanding automation tasks.
  • Memory Capacity: Adequate user memory for program storage and data logging.
  • Communication Ports: Typically includes serial ports (RS232/RS485) and may support additional communication modules for Ethernet/IP, Modbus, and other protocols.
  • I/O Support: Compatible with a wide range of I/O modules, including digital and analog inputs/outputs, thermocouple, and RTD modules.
  • Programming Software: Uses AutomationDirect’s DirectSOFT programming software, which supports multiple programming languages such as Ladder Logic.


The PLC-520C processor is suitable for various industrial applications, including:

  1. Manufacturing Automation: Automates production lines, machinery, and robotic systems for enhanced productivity and precision.
  2. Process Control: Manages complex processes in industries such as chemicals, pharmaceuticals, and food and beverage.
  3. Building Automation: Controls HVAC, lighting, and security systems in commercial buildings.
  4. Energy Management: Monitors and controls energy consumption and distribution in industrial and utility environments.
  5. Water and Wastewater Treatment: Manages the treatment processes, ensuring efficient operation and compliance with environmental standards.

Setting Up the PLC-520C Processor

  1. Hardware Installation:
    • Mount the PLC-520C processor on a suitable DIN rail or panel.
    • Connect the appropriate I/O modules to the processor based on your application needs.
    • Connect power supply to the processor and ensure it is powered on.
  2. Communication Setup:
    • Connect communication cables to the serial ports or additional communication modules if required.
    • Configure network settings if using Ethernet/IP or other network-based communication.
  3. Programming:
    • Install AutomationDirect’s DirectSOFT programming software on your PC.
    • Connect your PC to the PLC-520C processor using the appropriate communication cable.
    • Launch DirectSOFT and create a new project.
    • Write your control program using Ladder Logic or other supported programming languages.
    • Download the program to the PLC-520C processor and test its operation.
  4. Monitoring and Maintenance:
    • Use DirectSOFT’s monitoring tools to observe the real-time operation of your control program.
    • Perform regular maintenance checks to ensure the processor and I/O modules are functioning correctly.


The PLC-520C processor from AutomationDirect’s DirectLOGIC 205 series is a versatile and cost-effective solution for a wide range of industrial automation applications. Its modular design, robust performance, and ease of use make it an excellent choice for small to mid-sized automation projects. By integrating the PLC-520C into your automation system, you can enhance productivity, improve process control, and ensure efficient operation across various industrial environments.

ANC-100e Ethernet IP to AB's DH+ Converter

The Automation Networks ANC-100e communicates with all SCADA, HMI, PLC programming with direct Ethernet/IP access to the DH+ network and stations. 

ANC-100e has similar replacement features as the Controllogix 1756-DHRIO / 1756-ENBT, and AB 1784 Interface Cards: 1784-U2DHP, 1784-KTx, 1784-PKTx, 1784-PCMK and Prosoft AN-X2-DHRIO Converters.

$1,295 USD List. Apr 1, 2024

Overnight Shipping Available

ANC-120e USB to AB's DH+

The ANC-120e is an economical and high performance USB-to-Allen-Bradley Data Highway Plus converter interfacing major HMI, SCADA, PLC Programming packages to Devices on DH+. Its features significantly outperform AB’s 1784-U2DHP PLC Programming Cable operating at 12 Mg USB speed with the Controllogix Ethernet/IP Driver.

The ANC-120e works with all SCADA, MMI, PLC programming packages installed on your PC with USB direct access to the DH+ network and stations. These packages include RSLINX/LOGIX Classic & Enterprise with RSLOGIX 5/500, Wonderware DAServer & TCP/IO Server, Citect, and Kepware using Controllogix Ethernet/IP Drivers. 

$995 USD List. Apr 1, 2024

Overnight Shipping Available

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