ABB FPTC-02 - One-Channel Configurations

This diagram is applicable to configuration 3.
1 2 3
4
PTC sensor1
FPTC module2
External safety relay3
Drive STO4
Note: The failure rate of the external safety relay is not included in
the calculation.
￭ One-channel configurations
This diagram is applicable to configuration 4.
1 2 3
PTC sensor1
FPTC module2
Drive STO3
Technical data 85