User Documentation

Functional specification of the safety functions
10 1485600000/01/11.2017
6. Functional specification of the safety functions
Pulse isolator as well as supply of NAMUR sensors and mechanical switches with cable error detection
installed in the hazardous area. Cable error detection only works with NAMUR sensors or with the use of
external resistors R
s
and R
p
. (refer to chapter 18 "Connection diagram" on page 29).