ABB AC500-S - Page 124

4)
- With readback contact: Max reachable SIL acc. IEC 61508 (Typ A components are required) ➔ without
error exclusion (you can reach higher level up to SIL 3 with error exclusion)
AC500-S Safety Modules
DX581-S digital safety input/output module > Circuit examples
30.03.2017AC500-S124