6ES7521-1BH00-0AB0, S7-1500

Description

The SIMATIC S7-1500 DI 16x24 V DC HF (6ES7521-1BH00-0AB0) is a high-feature digital input module from Siemens, designed for SIMATIC S7-1500 systems. \nThis module features 16 input channels grouped in sets of 16, operates at 24 V DC, and has an adjustable input delay of 0.05 to 20 ms. It supports \nType 3 inputs (IEC 61131), with 2 inputs usable as counters. The module includes diagnostics and hardware interrupt functions. \nThe front connector (screw terminals or push-in) must be ordered separately. With a net weight of 0.277 kg and packaging dimensions of 15.00 x 15.10 x 5.00 cm, \nits compact design helps save space in control cabinets. DIN rail mounting is supported. It is used in industrial automation systems, particularly for high-precision digital signal processing and real-time monitoring applications.