elobau 671 Série Traduction De La Notice D'utilisation D'origine page 33

GB
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
6 Model
ab Housing type
c Variant
de Switch type
f Ex-version
33/135
6 Ex-version Sensors

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
2 Machine safety sensor (MSS)
V Machine safety sensor (MSS)
two isolated contacts (4 wire)
61 Three Normally Open contacts system
62 Two Normally Open contacts system
71 Normally Open / Normally Closed con-
tact system
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
Meaning
Date: 20.04.2016