
Siemens 6es7521-1bl00-0ab0 Sm 521 32 Input 24VDC Digital Module S7-1500 Di PLC Module. Genuine Siemens Products: 100% authentic SIMATIC S7-1500 modules with original packaging from authorized suppliers. Flexible MOQ Policy: No rigid minimum order quantity; accepts single pieces for trials or large batches for projects. Comprehensive Warranty: Standard 12-month warranty covering all products from delivery date, with optional 36-month extension. Fast Express Delivery: In-stock items ship via DHL, FedEx, or UPS with 3-5 working days delivery to most countries. PROFINET Connectivity: Features PROFINET IRT with 2-port switch and PROFINET RT interfaces for seamless automation. TIA Portal Integration: Seamlessly integrates with Fully Integrated Automation Portal for efficient configuration and control. High Performance CPU: CPU 1517H-3 PN with 2MB program memory and 8MB data memory for demanding industrial solutions.