{"product_id":"6es7441-2aa03-0ae0-versatile-serial-port-module-siemens","title":"6ES7441-2AA03-0AE0 Versatile Serial Port Module | Siemens","description":"\u003ch2\u003eAdvanced Dual-Channel Serial Communication Processor\u003c\/h2\u003e\n\u003cp\u003eMaximize connectivity for your S7-400 system. The Siemens 6ES7441-2AA03-0AE0 CP 441-2 module provides \u003cstrong\u003etwo fully independent serial channels\u003c\/strong\u003e. Connect to printers, scanners, drives, or other PLCs using RS232, RS422, RS485, or 20mA TTY interfaces. It includes powerful protocols and a configuration package for ultimate flexibility.\u003c\/p\u003e\n\u003ch3\u003eWhy This Module Is the Best Choice\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong style=\"color: #2c3e50;\"\u003eUltimate Interface Flexibility:\u003c\/strong\u003e Each channel can be fitted with a different interface module (RS232, RS422\/485, or 20mA TTY) to match any device.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong style=\"color: #2c3e50;\"\u003eProfessional Protocol Suite:\u003c\/strong\u003e Built-in support for 3964(R), ASCII, RK512, and printer drivers for direct connection to HP\/IBM printers.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong style=\"color: #2c3e50;\"\u003eHigh-Speed Performance:\u003c\/strong\u003e Achieves data rates up to 115.2 kbit\/s on RS232\/422\/485 interfaces for fast data transfer.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong style=\"color: #2c3e50;\"\u003eExpandable Functionality:\u003c\/strong\u003e Load custom drivers for proprietary or special communication protocols, future-proofing your investment.\u003c\/p\u003e\n\u003ch3\u003eComplete Technical Specifications\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Siemens\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSystem Family:\u003c\/strong\u003e SIMATIC S7-400\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eModule Designation:\u003c\/strong\u003e Communications Processor CP 441-2\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eComplete Part Code:\u003c\/strong\u003e 6ES7441-2AA03-0AE0\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCommunication Channels:\u003c\/strong\u003e 2 (configurable with plug-in interface submodules)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAvailable Interfaces:\u003c\/strong\u003e RS232C (V.24), RS422\/485 (X.27), 20mA TTY\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMaximum Cable Length:\u003c\/strong\u003e RS485\/422: 1200m; 20mA TTY: 1000m; RS232: 10m\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMaximum Baud Rate:\u003c\/strong\u003e 115.2 kbit\/s (RS232\/422\/485); 19.2 kbit\/s (20mA TTY)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIntegrated Protocols:\u003c\/strong\u003e 3964(R), ASCII, RK512, Printer Driver (HP, IBM)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCustom Drivers:\u003c\/strong\u003e Yes, loadable via memory card\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTotal Connections:\u003c\/strong\u003e Up to 8\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePLC Memory Usage:\u003c\/strong\u003e 1-5 KB for parameters + space for drivers\/texts\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePower from Backplane:\u003c\/strong\u003e 5V DC, max. 700 mA (base module)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eConfiguration Tool:\u003c\/strong\u003e Integrated in Siemens STEP 7 software\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePackage Contents:\u003c\/strong\u003e CP 441-2 base module and configuration CD\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eModule Dimensions:\u003c\/strong\u003e 25 mm (W) x 290 mm (H) x 210 mm (D)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTotal Weight:\u003c\/strong\u003e Approx. 720 g (module + interface submodules)\u003c\/p\u003e\n\u003ch3\u003eInstallation \u0026amp; Setup Guide\u003c\/h3\u003e\n\u003cp\u003eInstall the base module in your S7-400 rack. Choose and attach the required interface submodules (sold separately) for each channel—for example, one RS232 and one RS485. Configure each channel independently in STEP 7, selecting the physical interface, protocol, baud rate, and data format. Use shielded cables appropriate for the interface type and distance.\u003c\/p\u003e\n\u003ch3\u003eWarranty \u0026amp; Shipping\u003c\/h3\u003e\n\u003cp\u003eThis product is covered by our standard \u003cstrong style=\"color: #27ae60;\"\u003e12-month warranty\u003c\/strong\u003e. We ship promptly worldwide using \u003cstrong\u003eFedEx, UPS, or DHL\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eProfessional FAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What interface submodules do I need to buy separately?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: You must purchase interface submodules like the 6ES7964-1AA04-0AA0 (RS232) or 6ES7964-1AB04-0AA0 (RS422\/485). The base module alone has no physical ports.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the RK512 protocol used for?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: RK512 is a Siemens-specific protocol for efficient data exchange between Siemens PLCs (like S5 and S7), often used in older or complex automation networks.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I connect two different devices with different protocols at the same time?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA\u0026gt; Absolutely. That's the key advantage. You could have Channel 1 talking ASCII to a printer via RS232, and Channel 2 using 3964(R) to a drive via RS485, simultaneously.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What does \"loadable driver\" capability mean?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA\u0026gt; It allows you to load special communication firmware (e.g., for a non-standard device protocol) from a memory card into the module, enabling communication without changing hardware.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this a point-to-point or network module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: It is primarily for point-to-point connections on each channel. However, the RS422\/485 interface can potentially be used in multi-drop configurations depending on the protocol and device support.\u003c\/p\u003e\n\u003cp\u003e© 2026 Ubest Automation Limited. All rights reserved.\u003cbr\u003eOriginal Source: \u003ca href=\"https:\/\/www.ubestplc.com\/\"\u003ehttps:\/\/www.ubestplc.com\/\u003c\/a\u003e\u003cbr\u003eContact: \u003ca href=\"mailto:sales@ubestplc.com\"\u003esales@ubestplc.com\u003c\/a\u003e | Phone: \u003ca href=\"https:\/\/wa.me\/8618030005825\"\u003e+86 180 3000 5825\u003c\/a\u003e\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":51494410092826,"sku":"6ES7441-2AA03-0AE0","price":193.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/6240\/4634\/files\/6ES7441-2AA03-0AE0.jpg?v=1789876132","url":"https:\/\/www.ubestplc.com\/products\/6es7441-2aa03-0ae0-versatile-serial-port-module-siemens","provider":"Ubest Automation Limited","version":"1.0","type":"link"}