| Name | No. of I/O points | Model |
|---|---|---|
| Safety I/O Terminals | Safety inputs: 12, test outputs: 4 | DST1-ID12SL-1 |
| Safety inputs: 8, safety outputs (semiconductor): 8, test outputs: 4 | DST1-MD16SL-1 | |
| DST1-XD0808SL-1 * | ||
| Safety inputs: 4, safety outputs (relay): 4, test outputs: 4 | DST1-MRD08SL-1 |

