Technical data
9.2 General safety data
SIRIUS 3RM1 motor starter
140
Manual, 06/2016, A5E0345285095020A/RS-AE/005
9.2
General safety data
The 3RM11 Failsafe motor starters (direct-on-line starters) / 3RM13 Failsafe motor starters
(reversing starters) have the following safety data:
Order number
3RM110..AA.4
3RM130..AA.4
Safety Integrity Level (SIL) acc. to IEC 61508
SIL3
Performance level (PL) acc. to EN ISO 13849-1
e
Category acc. to EN ISO 13849-1
4
Safety device type acc. to IEC 61508-2
Type B
Hardware fault tolerance acc. to IEC 61508
1
PFHD with high demand rate acc. to EN 62061
1/h
0.00000002
PFDavg with low demand rate acc. to IEC 61508
0.000018
T1 value for proof test interval or service life acc. to IEC 61508
y
20
Safe state
Load circuit open
Stop category acc. to DIN EN 60204-1
0
Safe failure fraction (SFF)
%
99.4
MTTFd
y
75
Average diagnostic coverage level (DCavg)
%
99
Function test interval maximum
y
1
Diagnostics test interval by internal test function maximum
s
600
Failure rate [FIT] at rate of recognizable hazardous failures (
λdd)
FIT 1 400
Failure rate [FIT] at rate of non-
recognizable hazardous failures (λdu)
FIT 16
Off-delay time with safety-related request when switched off via control inputs maximum
ms
65
Off-delay time with safety-related request when switched off via supply voltage maximum ms
120
9.3
ATEX-specific safety data
Referred to ATEX, the 3RM11 Failsafe motor starters (direct-on-line starters) / 3RM13
Failsafe motor starters (reversing starters) have the following safety data:
Order number
3RM110..AA.4
3RM130..AA.4
Safety Integrity Level (SIL) acc. to IEC 61508 relating to ATEX
SIL2
Hardware fault tolerance acc. to IEC 61508 relating to ATEX
0
T1 value for proof test interval or service life acc. to IEC 61508 relating to ATEX
y
3
PFDavg with low demand rate acc. to IEC 61508 relating to ATEX
0.0005
PFHD with high demand rate acc. to EN 62061 relating to ATEX
1/h
0.00000005