Siemens SIMATIC Manual page 136

Digital modules
3.21 Digital output module SM 322; DO 32 x DC 24 V/ 0.5 A; (6ES7322-1BL00-0AA0)
Wiring and block diagram of SM 322; DO 32 x DC 24 V/ 0.5 A
①
②
③
Terminal assignment
The figure below shows the channel addressing (output byte x to output byte x+3).
136
Channel number
Status display - green
Backplane bus interface
S7-300 Module data
Manual, 06/2017, A5E00105505-AJ