6AG1321-1BH02-2AA0 - SIPLUS S7-300 SM 321 20-pole based on 6ES7321-1BH02-0AA0 with conformal coating, -40…+70 °C, digital input isolated 16 DI, 24 V DC, 1x 20-pole
SIPLUS S7-300 SM 322-20-pole based on 6ES7322-1BH01-0AA0 with conformal coating, -25…+70 °C, digital output isolated 16 DQ, 24 V DC, 0.5 A, total current 4 A/group (8 A/module)