Siemens 340 - Safety data

Technical data
9.1 Motor starters
SIRIUS 3RM1 motor starter
Manual, 11/2013, A5E0345285095020A/RS-AB/002
121
9.1.5
Safety data
9.1.5.1
General safety data
The 3RM11 Failsafe motor starters (direct-on-line starters) / 3RM13 Failsafe motor starters
(reversing starters) have the following safety data:
3RM11..-.....
3RM13..-.....
Safety Integrity Level (SIL)
according to IEC 61508
SIL3
Performance level (PL)
according to ISO 13849-1
e
Category
according to ISO 13849-1
4
Safety device type
according to IEC 61508-2
Type B
Hardware fault tolerance
according to IEC 61508
1
Probability of dangerous failure per hour (PFHD)
with high
demand rate
according to EN 62061
1/h
0.00000002
Average probability of failure on demand (PFDavg)
with low
demand rate
according to IEC 61508
1/h
0.0000175
T1 value
for proof test interval or service life
according to
IEC 61508
a
20
Safe state of the device
Load circuit open
Stop category / according to DIN EN 60204-1
0
Safe failure fraction (SFF)
% 99,4
MTTFd
Mean Time To dangerous Failure
a
75
DCavg
Average diagnostics coverage level
%
99
Function test interval during continuous operation
a ≤ 1
Internal diagnostic test interval
s ≤ 600
λdd
Dangerous, detected faults
FIT
1400
λdu
Dangerous, undetected faults
FIT
16
Max. switch-off time in case of a safety-related request via control inputs
ms 65
Max. switch-off time in case of a safety-related request via shutdown of
the supply voltage
ms
120