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      Top Picks
      • Delta PLC CPU Module AHCPU521-EN
      1/1
      Delta PLC CPU Module AHCPU521-EN
      $ 5,280 .38

      ✔ In Stock (Can ship in 5-7 days)

      Quantity
      MOQ : 1
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      • 12 Months Warranty for New Products

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      The Delta PLC is high quality!
      Built-in RS-232/422/485 multi-mode communication port x 1
      RS-232:115.2 Kbps / RS-422 / 485:921.6 Kbps
      Built-in Ethernet communication port (100 Mbps)
      Built-in SD card slot (maximum capacity:
      2 GB for AHCPU5_0 or 32 GB for AHCPU5_1)
      Built-in Mini USB programming communication port
      With system diagnosis/status indicator/online programming and debugging functions
      Support PLC Link/Ether Link automatic data exchange function
      Support Modbus RTU/ASCII, Modbus TCP
      Support DNP3 protocol (AHCPU521-DNP only)
      EtherNet/IP support (AHCPU5_1-EN only)
      -Scanner and Adapter modes
      -support for I/O connections and explicit messages
      -Number of connections: TCP = 32 ~ 128; CIP = 64 ~ 256
      - RPI: 1 ~ 1,000 ms
      -250 words/connection
      The language LD/SFC/FBD/IL/ST is supported
      Support for 256 interrupts
      (time/IO/external/low voltage/communication interruption)
      2,048 Timer and Counter are supported
      Support battery-free data saving
      With RTC function (up to 30 days power-off hold)
      Support NTP network timing function
      The function of WEB/E-Mail/IP Filter is supported
      CPU RAM/ROM capacity
      AHCPU5_0:32 MB / 8 MB
      AHCPU5_1:128 MB / 128 MB
      Cpu frequency
      AHCPU5_0:133 MHz
      AHCPU5_1:800 MHz

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      • Q: Are there any restrictions on using multiple discount codes for a single order?

        A: The use of multiple discount codes for a single order may be subject to certain restrictions. Please refer to the terms and conditions of the discount codes or contact our customer service team for more information.

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      • Q: Can I return or exchange a product if I'm not satisfied?

        A: Yes, we have a hassle-free return and exchange policy. If you're not satisfied with your purchase, you can return the product within a specified timeframe and receive a refund or exchange based on the terms and conditions.

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      Reviews

      • Z

        Zoe

        Aug 19, 2025

        Delta PLC CPU Module AHCPU521-EN
        I've had a great experience working with them.
        Helpful
        Unhelpful
      • C

        Chris Malm

        May 16, 2025

        Delta PLC CPU Module AHCPU521-EN
        Outstanding service from the seller. The process was simple and delivery was swift.
        Helpful
        Unhelpful
      • R

        Ron Crews

        Nov 30, 2024

        Delta PLC CPU Module AHCPU521-EN
        exact part needed
        Helpful
        Unhelpful
      • M

        MYRA POPE

        Aug 06, 2024

        Delta PLC CPU Module AHCPU521-EN
        Well-packaged parts, fast delivery, and a perfect fit for a good price.
        Helpful
        Unhelpful
      • A

        Anonymous user

        Nov 25, 2022

        Delta PLC CPU Module AHCPU521-EN
        All was ok! No problems whatsoever.
        Helpful
        Unhelpful

      Delta PLC CPU Module AHCPU521-EN

      $ 5,280 .38
      Click here to view shipping costs.

      ✔ In Stock (Can ship in 5-7 days)

      Quantity
      MOQ : 1
      Payment Methods
      T/T pay VISA pay mastercard pay Diners Club pay Discover pay JCB pay American Express pay Stripe pay PayPal pay Google pay Apple pay Link pay venmo pay
      • Online Support 24/7

      • 12 Months Warranty for New Products

      • 30 Days Money Back Guarantee

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