Specifications; General Specifications - Leuze electronic MLC 520 EX Series Original Operating Instructions

14

Specifications

14.1

General specifications

Table 14.1:
Physical resolution
[mm]
20
30
Table 14.2:
Type in accordance with IEC/EN 61496
SIL in accordance with IEC 61508
SILCL in accordance with IEC/EN 62061
Performance Level (PL) in accordance with EN ISO 13849-1
Category in accordance with EN ISO 13849-1
Average probability of a failure to danger per hour (PFH
Service life (T
M
Table 14.3:
Ex device group/category
Ex-zone
Permissible surface tempera-
ture
Ignition protection type
Marking acc. to EN 60079-0,
EN 60079-15, EN 60079-28 for
3G and EN 60079-0, EN 60079-
31 for 3D
Table 14.4:
Connection technology
Supply voltage U
Residual ripple of the supply voltage
Current consumption - transmitter
Current consumption receiver
Common value for ext. fuse in the supply line for transmitter
and receiver
Leuze electronic
Protective field data
Operating range [m]
min.
0
0
Safety-relevant technical data
)
Explosion protection
II, 3G
II, 3D
2, 22
T<85° (T4)
"nA" non-sparking, "tc" protection through housing
II, 3G Ex nA op is IIB T4 Gc X
II, 3D Ex tc IIIB T85°C DC IP54, 0°C £ T
General system data
, transmitter and receiver
v
Protective field height [mm]
max. min.
15 600
10 600
)
d
M12, 5-pin (transmitter)
M12, 8-pin (receiver)
+24 V,
at 20 ms voltage dip, min. 250 mA
(+ OSSD load)
5 % within the limits of U

50 mA
150 mA (without load)
2 A semi time-lag
MLC 520 EX
Specifications
max.
1500
1500
Type 4
SIL 3
SILCL 3
PL e
Cat. 4
7.73x10 1/h
-9
20 years
£ 55°C
a
20 %, compensation necessary

v
51