Siemens Simatic S7-1500 Digital input module, 32DQ x 24VDCProduct Overview The 6ES7522 1BL01 0AB0 is a SIMATIC S7 1500 digital output module DQ 32x24VDC 0. 5A HF featuring 32 high frequency output channels organized in groups of 8, delivering 4A per group. This advanced module offers single channel diagnostics, substitute value functionality, and switching cycle counter for connected actuators. It supports safety oriented shutdown of load groups up to SIL2 according to EN IEC 62061: 2021 and Category 3 PL d