F 3237 (0622)
197
Connection for proximity switches NAMUR
(according to EN 60947-5-6: 2000)
R** is also necessary in mono applications!
Figure 4: Redundant connection for one proximity switch NAMUR
(according to EN 60947-5-6: 2000)
Special cable plug: Z7108 / 3237 / C../ S102 (mono connection)
HIMA order no.: 93 3237102
At redundant connection of proximity switches NAMUR (according to EN 60947-5-6) the fol-
lowing redundant special cable plug must be used:
Z7108 / 3237 / W / R1 / S209 with resistors R1..R8=390
Ω for NAMUR proximity switches
Z7108 / 3237 /Cx / R2 / S209
HIMA order no.: 93 3237 209
Between the plug R2 and R1 (see Figure 4) the connections are configured as single cores.
Note If using the special cable plug for Namur proximity switches in the safe-
ty loop (module - proximity switch) the SIL level may be reduced to that
of the proximity switch.
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