Application | Safety protector must be used |
Central use after CPUВ 31xF-2В DP or CPUВ 31xF-2В PN/DP | В |
- Only fail-safe modules in the tier
| Yes, behind the CPU |
- Standard and fail-safe modules in the tier
| Yes, after the last standard module and before the first fail-safe module |
Central use after CPUВ 31xF-2В DP or CPUВ 31xF-2В PN/DP in an expansion rack | В |
- Only fail-safe modules in the tier
| Yes, after the IM 36x |
- Standard and fail-safe modules in the tier
| Yes, after the last standard module and before the first fail-safe module |
Distributed behind the IM 153-2 with copper connection | В |
- Only fail-safe modules in the station
| Yes, after the IM 153-2 |
- Standard and fail-safe modules in the station
| Yes, after the last standard module and before the first fail-safe module |
Distributed behind the IM 153-2 with fiber-optic connection | В |
- Only fail-safe modules in the station
| No |
- Standard and fail-safe modules in the station
| Yes, after the last standard module and before the first fail-safe module |