F 3238 (0622)
202
Redundant connection for a safety-related proximity switch
Figure 4: Redundant connection for a safety-related proximity switch
Cable plug: Z7008 / 3238 / Ex / C.. / R
HIMA order no.: 93 3238 300
Connection for proximity switches NAMUR
(according to EN 60947-5-6: 2000)
R** is also necessary in mono applications!
Figure 5: Redundant connection for a proximity switch NAMUR
(according to EN 60947-5-6: 2000)
Special cable plug: Z7008 / 3238 / Ex / C../ S101 (mono connection)
HIMA order no.: 93 3238 101
At redundant connection of proximity switches NAMUR (according to EN 60947-5-6) the fol-
lowing redundant special cable plug must be used:
Z7008 / 3238 / Ex / W / R1 / S301 with resistors R1..R8=390
Ω for NAMUR proximity switches
Z7008 / 3238 / Ex / Cx / R2 / S301
HIMA order no.: 93 3238 301
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.
contacts with resistor network
Special cable
connector
Special cable
connector
HIMA part no
000552391
Proximity switch acc. to NAMUR
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