The Siemens 6ES7522-5BF00-0AB0 is an SM 522 digital output module for the S7-1500 system. It provides eight 24 V DC outputs at 5 A per channel, arranged in two groups of four with 8 A per group. Two channels can be parallel-switched for 2 × 8 A. All eight channels support pulse-width modulation up to 12.5 kHz. The front connector (screw terminal or push-in) is ordered separately.
Ratings and application
Each output is rated 5 A at 24 V DC, with per-group limit of 8 A. Parallel two channels to deliver 2 x 8 A. PWM at 12.5 kHz suits fast-switching loads. Group code R135 and product group 4501 place it in the SM 522 family across the S7-1500 catalog.