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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: Do I need to pay for shipping when returning a product?
A: According to our return policy, if the return is due to product quality issues or our mistake, we will cover the return shipping fee. If it's for other reasons, the return shipping fee may be borne by you. Please refer to our return policy for specific details.
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A: You can enter the brand or merchant name in the search box, and the system will display relevant products, making it convenient for you to quickly find the items you are interested in.
- Q: How can I apply for a purchase invoice?
A: On the checkout page, you can select the option for an invoice and fill in the relevant invoice information. We will provide you with the corresponding invoice according to your request.
Reviews
- Y
Yara
Oct 29, 2025
Delta PLC CPU Module AHCPU511-ENThis website is a great deal, shipping is fast and easy to use.HelpfulUnhelpful - B
Brian Walch
Jul 08, 2025
Delta PLC CPU Module AHCPU511-ENThank you I like to receive it quicklyHelpfulUnhelpful - R
Ronny Perry Jr
May 31, 2025
Delta PLC CPU Module AHCPU511-ENThe product was as expected, and the shipping was much faster than I imagined.HelpfulUnhelpful - E
Edison Santiago
Nov 19, 2024
Delta PLC CPU Module AHCPU511-ENSimple and clear ordering, and the shipment arrived on time. Thanks!HelpfulUnhelpful - B
Bryan DeNardis
Jun 17, 2024
Delta PLC CPU Module AHCPU511-ENThey got my items shipped super fast!HelpfulUnhelpful - P
Philip Joyce
Jul 04, 2023
Delta PLC CPU Module AHCPU511-ENIt arrived rapidly and was a great value.HelpfulUnhelpful - A
Anonymous user
Nov 25, 2022
Delta PLC CPU Module AHCPU511-ENAll was ok! No problems whatsoever.HelpfulUnhelpful
Delta PLC CPU Module AHCPU511-EN
✔ In Stock (Can ship in 5-7 days)

Online Support 24/7
12 Months Warranty for New Products
30 Days Money Back Guarantee
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