SLI – Safely Limited Increment
The SLI safety sub-function prevents a movement from exceeding a specified increment. If the limit value of the increment is violated, the SLI safety sub-function will be triggered and a fault response will be initiated at the same time (usually STO).
| = | SLI safety sub-function monitored |
| = | SLI safety sub-function is triggered |
v | = | Speed |
s | = | Distance |
s1, s2 | = | Point at which SLI is activated. |
s2, s3 | = | Point at which SLI is deactivated. |
Δs | = | Safe increment |
