{"product_id":"siemens-6es7440-1cs00-0ye0-industrial-automation-module","title":"Siemens 6ES7440-1CS00-0YE0 Industrial Automation Module","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThe Siemens 6ES7440-1CS00-0YE0 is a SIMATIC S7-400 CP 440-1 communications module designed for point-to-point connections. This single-channel module includes a configuration package on CD, enabling seamless integration into industrial control systems. With low power loss of just 1.7 W, it helps reduce operational costs while delivering reliable data exchange. The Siemens 6ES7440-1CS00-0YE0 is ideal for applications demanding stable serial communication over RS 422\/485 interfaces.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications Breakdown\u003c\/h2\u003e\u003cp\u003eKey technical parameters of the Siemens 6ES7440-1CS00-0YE0 are listed below. All values are taken directly from the product datasheet.\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply voltage (DC rated)\u003c\/td\u003e\n\u003ctd\u003e5 V DC and 24 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput current from backplane bus (5 V DC, max)\u003c\/td\u003e\n\u003ctd\u003e360 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower loss, typ.\u003c\/td\u003e\n\u003ctd\u003e1.7 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMemory requirements per interface in memory card of S7-CPU\u003c\/td\u003e\n\u003ctd\u003e1 to 5 Kbytes for parameters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of interfaces\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface (physical)\u003c\/td\u003e\n\u003ctd\u003eRS 422\/485 (X.27)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable length, shielded, max.\u003c\/td\u003e\n\u003ctd\u003e1200 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIntegrated protocol drivers\u003c\/td\u003e\n\u003ctd\u003e3964 (R) and ASCII\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmission rate (with 3964 (R) protocol, max)\u003c\/td\u003e\n\u003ctd\u003e115.2 kbit\/s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmission rate (with ASCII protocol, max)\u003c\/td\u003e\n\u003ctd\u003e115.2 kbit\/s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConfiguration software\u003c\/td\u003e\n\u003ctd\u003eSTEP 7 (own parameter assignment forms)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWidth\u003c\/td\u003e\n\u003ctd\u003e25 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e290 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDepth\u003c\/td\u003e\n\u003ctd\u003e210 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight, approx.\u003c\/td\u003e\n\u003ctd\u003e600 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003eThe Siemens 6ES7440-1CS00-0YE0 supports dual voltage input, making it flexible for various backplane configurations. Its low current draw reduces strain on the bus, contributing to overall system longevity.\u003c\/p\u003e\u003ch2\u003eCompatible Systems and Integration\u003c\/h2\u003e\u003cp\u003eThe Siemens 6ES7440-1CS00-0YE0 communicates via RS 422\/RS 485, supporting long cable runs up to 1200 meters. It integrates with SIMATIC S7-400 CPUs using STEP 7 software. The module includes protocol drivers for 3964 (R) and ASCII, enabling connection to a wide range of serial devices such as printers, scanners, and remote I\/O. This compatibility ensures easy integration into existing automation architectures.\u003c\/p\u003e\u003ch2\u003eInstallation and Setup Guidance\u003c\/h2\u003e\u003cp\u003eMount the Siemens 6ES7440-1CS00-0YE0 directly into the S7-400 rack. Ensure correct bus connector alignment and secure the module with the locking screws. Use shielded twisted-pair cable for RS 422\/485 connections to minimize electromagnetic interference. Configure the module via the included CD or through STEP 7 parameter assignment forms. Set protocol, baud rate, and data format according to the connected device’s requirements. Always verify cable termination resistors for long-distance links.\u003c\/p\u003e\u003ch2\u003eMaintenance and Reliability\u003c\/h2\u003e\u003cp\u003eThe Siemens 6ES7440-1CS00-0YE0 requires minimal routine inspection. Periodically check cable connections for corrosion or looseness. Keep the module’s ventilation slots clear to ensure proper cooling. With a typical power loss of only 1.7 W, heat generation is low, extending component life. Following these basic practices maximizes uptime and delivers a strong return on investment by reducing unplanned maintenance costs.\u003c\/p\u003e\u003ch2\u003eSelection Guide and Purchasing Advice\u003c\/h2\u003e\u003cp\u003eBefore purchasing the Siemens 6ES7440-1CS00-0YE0, confirm that your S7-400 chassis has an available slot and that the bus current budget can supply the required 360 mA. Verify the serial parameters of your target device to ensure protocol compatibility. For reliable supply, trust PLC Source PRO. You can find this module on ubest101.myshopify.com, a trusted source for industrial automation spares.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default","offer_id":44410556219491,"sku":"6ES7440-1CS00-0YE0","price":293.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0678\/8635\/0435\/files\/6ES7440-1CS00-0YE0-c1.jpg?v=1785184343","url":"https:\/\/www.plcsourcepro.com\/products\/siemens-6es7440-1cs00-0ye0-industrial-automation-module","provider":"PLC Source PRO","version":"1.0","type":"link"}