
PLC Simatic S7-400 Sm 421 Digital Input Module 6es74211bl010AA0 6es7421-1bl01-0AA0. 100% Original Siemens Product: Guaranteed authentic SIMATIC S7-400 module with 100% original condition. 32 Channel Digital Input: Features 32 isolated digital inputs operating at 24 V DC. Comprehensive Certifications: Certified with RoHS, CCC, ISO 9001, and CE standards. Flexible Customization Options: Supports full customization, minor customization, and design-based customization. Low Minimum Order Quantity: Accepts orders starting from just 1 piece. Multiple Payment Methods: Supports LC, T/T, D/P, PayPal, Western Union, and small-amount payments. Fast Lead Time: Average lead time within 15 workdays for both peak and off-peak seasons. OEM and ODM Services: Available for OEM and ODM services with R&D engineering support.