SIEMENS 6ES5 420-7LA11

Siemens SIMATIC S5 Digital Input Module 6ES5 420-7LA11 Description This is a Digital Input Module for the Siemens SIMATIC S5 series, specifically designed for the S5-115U and S5-115H programmable logic controllers. It provides 32 input channels for 24V DC signals, allowing the PLC to monitor various sensors, switches, and other digital field devices. As a component of the legacy S5 system, this module is ideal for repairs, maintenance, and extending the lifespan of existing automation installations. Specifications Manufacturer: Siemens Product Line: SIMATIC S5 Model: 6ES5 420-7LA11 Product Type: Digital Input Module Number of Inputs: 32 Input Voltage: 24V DC Galvanic Isolation: Yes (in groups of 16) Compatible Systems: S5-115U, S5-115H Label Info Brand: SIEMENS Series: SIMATIC S5 Part Number: 6ES5 420-7LA11 Description: DIGITALEINGABE 32 X 24V DC Application This module is used in various industrial automation applications to read binary control signals. Common uses include monitoring the status of push-buttons, limit switches, proximity sensors, and other on/off devices within a manufacturing or process control environment. Country of Origin Made in Germany. CO2 Impact Opting for this pre-owned module instead of a new one prevents the emission of approximately 26.0 kg of CO2. This saving is comparable to the emissions from driving a car for 130 kilometers. Availability This product is an obsolete but available spare part. Condition is used but tested and fully functional. Order now from profideals for expert support and fast delivery. FAQ What PLC system is this module compatible with? This module is specifically designed for and compatible with the Siemens SIMATIC S5-115U and S5-115H PLC systems. Does this module require a separate power supply? No, the module’s internal electronics are powered directly from the S5 backplane bus. However, the 24V DC supply for the input signals themselves must be provided externally. Can I use this module as a replacement for a 6ES5 420-4UA1x? No, the 6ES5 420-7LA11 is for the S5-115U system, while the 6ES5 420-4UA1x family is for the S5-135U/155U systems. They use different backplanes and addressing schemes and are not interchangeable. Last Update: Friday, March 13, 2026 profideals is not an authorized distributor, reseller, or representative of the products featured on this website. All product names, trademarks, brands, and logos used on this site are the property of their respective owners.