8 digital outputs, 24 V DC, S7-22X only
The Siemens 6ES7222-1BF21-0XA0 is a SIMATIC S7-200 EM 222 digital output module providing 8 discrete outputs at 24 V DC, designed exclusively for S7-22X CPUs.
Integration note for S7-200 racks
The EM 222 snaps onto the S7-22X CPU bus connector — no separate backplane or DIN-rail mounting hardware needed beyond the CPU's own rail clip.
