Siemens SIPART PS2 6DR5 Series Compact Operating Instructions page 16

Safety instructions
2.7 Use in areas subject to explosion hazard
Loss of safety of device with type of protection "Intrinsic safety Ex i"
If the device or its components have already been operated in non-intrinsically safe circuits or
the electrical specifications have not been observed, the safety of the device is no longer
ensured for use in hazardous areas. There is a risk of explosion.
● Connect the device with type of protection "Intrinsic safety" solely to an intrinsically safe
● Observe the specifications for the electrical data on the certificate and/or in Technical data
16
WARNING
circuit.
(Page 57).
Compact Operating Instructions, 09/2019, A5E03436620-AE
SIPART PS2 (6DR5...)