{"product_id":"siemens-6es7521-1bh10-0aa0-digital-input-output-module","title":"Siemens 6ES7521-1BH10-0AA0 Digital Input Output Module","description":"\u003cdiv\u003e\u003cp\u003eSiemens 6ES7521-1BH10-0AA0 is a SIMATIC S7-1500 digital input module that provides 16 channels of 24 V DC BA inputs. This DI module belongs to the S7-1500 I\/O family and accepts standard 24 V DC logic signals across all 16 channels, arranged on a single card for compact wiring. It uses IEC 61131-3 input type 3 and features a typical input delay of 3.2 ms, delivering predictable response times in fast control loops. Designed for backplane mounting with SIMATIC S7-1500 controllers, it offers straightforward expansion of discrete inputs for sensing devices such as limit switches, pushbuttons, and proximity sensors on automation lines. The 6ES7521-1BH10-0AA0 designation differentiates this digital input module from other DI cards in the SIMATIC portfolio, making it a fit for applications requiring reliable 24 V digital inputs within a scalable PLC architecture. This module is one of the DI options in the 16-channel family, enabling scalable input expansion in compact control cabinets or distributed I\/O configurations across a production line.\u003c\/p\u003e\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"New","offer_id":46268595011818,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0716\/8039\/3450\/files\/GTG-STOCK-018.png?v=1788727429","url":"https:\/\/gtghardware.com\/products\/siemens-6es7521-1bh10-0aa0-digital-input-output-module","provider":"GTG Hardware","version":"1.0","type":"link"}