Siemens 6ES5 430-7LA11 Digital Input 32X24VDC Module

Siemens 6ES5 430-7LA11 is a SIMATIC S5 digital input module that provides 32 channels for 24 V DC field signals, designed to be mounted in an S5-115U/H/F PC-based rack and wired to common field devices such as sensors, photoelectric switches, and limit switches in industrial automation. All 32 inputs are floating, meaning each input point is referenced independently rather than sharing a common return, which supports wiring flexibility for distributed sensor networks and reduces wiring complexity in multi-point configurations. This module belongs to the S5 430 digital input family and expands the I/O capacity of legacy Siemens S5 systems, enabling straightforward integration in older automation installations without requiring a full controller upgrade. Typical applications include machine control, process monitoring, and signaling in legacy automation setups relying on S5 hardware, where 32 DI at 24 V DC provide scalable input coverage for a wide range of industrial sensors and actuators in manufacturing and packaging lines.