supply of siemens spares (3 items).siemens spares (3 items).,simatic s7-1500, digital input module di 32x24 v dc hf of type no. 6es7521-1bl00-0ab0 of si emens make. [ warranty period: 12 months after the date of delivery ] , simatic s7-1500, digital output module dq 32x24v dc/0.5a hf; 32 channels in groups of 8; 4 a per group; single-channel diagnostics; substitute value, switching cycle counter for connected actuators. type n o. 6es75221bl010ab0 of siemens make. [ warranty period: 12 months after the date of delivery ] , simatic step 7 professional v19/2021 sr2 or latest combo including tia portal; floating license for 1 user; engineering software; software and documentation on dvd, license key on usb flash drive; class a; 5 /9 languages ; executable in windows server 2016/2019/2022, windows 10/11 professional, windows 10/11 ent erprise; reference hardware: s7-300/400 (s7-1200/1500). type no. 6es7822-1aa23-0ya5 of siemens make. [ warranty period: 12 months after the date of delivery ]