The SIPLUS S7-1200 SM 1226 F-DI 16x24VDC (6AG1226-6BA32-5XB0) is a safe digital input module from Siemens, designed for SIPLUS S7-1200 systems, based on 6ES7226-6BA32-0XB0 with a conformal coating for operation in harsh environments. The module is suitable for temperatures ranging from -25 to +55 °C. It features 16 safe digital inputs (F-DI, 24 V DC), supports the PROFIsafe protocol, and complies with PL e (ISO 13849-1) / SIL3 (IEC 61508) safety standards. The module has a width of 70 mm. With a net weight of 0.239 kg and packaging dimensions of 8.40 x 10.70 x 8.70 cm, its compact design helps save space in control cabinets. DIN rail mounting is supported. It is used in industrial automation systems, particularly for processing safe digital signals in harsh conditions such as high humidity, dust, or temperature fluctuations.