Date: 20.04.2016
GB
33/135
The following example and table shall explain the designations
of the machine safety sensors:
Example:
6 71 2 71 M U 0
6 ab c de f g h ij kl
Characteristic
Meaning
6
Model
6
Ex-version Sensors
ab
Housing type
71
M30 stainless steel housing (material
no. 1.4571, 1.4305 or 1.4401)
Resistors and reed contacts resin
encapsulated
Cable output with wire ends
c
Variant
2
Machine safety sensor (MSS)
V
Machine safety sensor (MSS)
two isolated contacts (4 wire)
de
Switch type
61
Three Normally Open contacts system
62
Two Normally Open contacts system
71
Normally Open / Normally Closed con-
tact system
f
Ex-version
M
resin-encapsulated (Ex m); without
earth terminal;
for connection to non-intrinsically safe
circuits
N
resin-encapsulated; with earth terminal;
for connection to non-intrinsically safe
circuits
I
intrinsically safe (Ex i); without earth
terminal;
for connection to intrinsically safe cir-
cuits
K
intrinsically safe; with earth terminal;
for connection to intrinsically safe cir-
cuits
Summary of Contents for 671 I 0 12 Series
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