| NO. | Model No. | Description |
| 1 | 221-1BF32-0XB0 | SM1221 digital input module, DI8,24VDC |
| 2 | 221-1BH32-0XB0 | SM1221 digital input module, DI16.24VDC |
| 3 | 222-1HF32-0XB0 | SM1222 digital output module, DO8 relay |
| 4 | 222-1XF32-0XB0 | SM1222 digital output module, DQ8, switching relay |
| 5 | 222-1BF32-0XB0 | SM1222 digital output module, DQ8,24VDC |
| 6 | 222-1HH32-0XB0 | SM1222 digital output module, DO16 relay |
| 7 | 222-1BH32-0XB0 | SM1222 digital output module, DQ16,24VDC |
| 8 | 223-1PH32-0XB0 | SM1223 digital input/output module DI8/DQ8, relay |
| 9 | 223-1BH32-0XB0 | SM1223 Digital Input/Output Module DI8/DO8.24VDC |
| 10 | 223-1PL32-0XB0 | SM1223 Digital Input/Output Module DI16/DQ16 Relay |
| 11 | 223-1BL32-0XB0 | SM1223 Digital Input/Output Module DI16/DQ16, 24VDC |
| 12 | 223-1QH32-0XB0 | SM1223 digital input/output module DI8120/230VAC/DQ8, relay |
