Safety Parameters

The equipment manufacturer should select peripherals that can meet Cat. 3 PLd using the following values.

Common parameters

Safety Status Type of Element Proof Test Interval DC PL and Category SIL and HFT
STO B 20 years Medium PLd, Cat.3 SIL2, HFT1

Parameters for each safety function

Safety Functions Enable Mode Stop Category SFF PFHd 10-7 Response Time (ms)
Emergency Stop E.Stop, TP ALL 1 95% 1.1 1300
Safeguard (SG)/Safeguard (Protective Stop) AUTO 1 93% 1.9 750

The B10D values for switches provided by Epson are as follows:

  • Emergency Stop switch (Option and TP): 250,000