Technical data
Leuze electronic
MC3x
50
13.4 MSI-MC311 Safety Relay
Table 13.14:
Safety-relevant technical data
Table 13.15:
General system data
These tables do not apply in combination with additional M12 plug or connecting cable. except
where these components are explicitly mentioned.
Safety category acc. to EN 13849-1:2008
4,
1 sensor connected
3,
More than 1 sensor connected
Performance Level (PL)
in accordance with EN ISO 13849
-
1:2008
PL e
PL e
PL d
Average probability of a dangerous failure per
hour (PFH
d
)
2.47
×
10
-8
4.29
×
10
-8
1.03
×
10
-7
with mean annual number of switching cycles
performed by the relay (N
op
)
AC-15
DC-13
l = 0.9 A
l = 0.1 A
l = 1 A
l = 1.5 A
28500
3800000
115000
57000
28500
3800000
115000
57000
47500
6300000
195000
95000
Mean time to dangerous failure (MTTF
d
in
years)
100
100
56
Assignment in accordance with EN 60947-5-
3:2005
PDF-M
PDF-S
Service life (T
M
) in accordance with
EN ISO 13849-1:2008 (in years)
20 (when MTTF
d
= 100)
Stop category in accordance with EN 60204-1,
EN 13850:2008
STOP 0
Sensor type
Interlock device without guard interlocking in accor
-
dance with EN 1088
Available functions
Stop function, start/restart interlock/RES
Contactor monitoring (EDM) in start circuit
Control input SR for start/restart interlock
(reset)
Potential-free N/O contact (RES-button or key switch)
Connectable sensors
(S11, S12, S22)
(S33, S34)
Series MC388-S2x, MC336-S2x, MC330-S2x
Contact type of the sensors
2NO
Max. number of sensors
30, serial
Cable length, sensors
30 m
Pickup delay manual start
150 ms
Pickup delay automatic start
30 ms
Regression delay, response time
20 ms
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