Mechanical Requirements; Safety Characteristics Acc. To En 61508 - Bosch Rexroth IndraControl S20 Manual
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Bosch Rexroth AG
Technical data and ordering data
11.2.2
Mechanical requirements
11.2.3
Safety characteristics acc. to EN 61508
IndraControl S20 Module With Safe Digital Outputs S20-SSDO-8/3
Gases jeopardizing functions
acc. to DIN 40046-36, DIN
40046-37
Resistance of housing material
against fungus
Ambient compatibility
Connection data of the IndraControl S20 plug
Connection type
Conductor cross-section
Supported stop category acc. to
EN 60204
①
In the range between -35 °C and +60 °C, take appropriate
measures against increased humidity.
②
For a short period, slight condensation may appear on the out‐
side of the housing.
Tab. 11-2:
General data
Vibration acc. to IEC 60068-2-6
Shock acc. to IEC 60068-2-27
Tab. 11-3:
Mechanical requirements
Attainable SIL
Probability of a dangerous fail‐
ure in case of request by safety
function (PFD)
Probability of dangerous failure
per hour for the complete mod‐
ule (PFH)
Hardware error tolerance (HFT)
of the module
Permitted service life
Tab. 11-4:
Safety characteristics acc. to EN 61508
DOK-CONTRL-S20*SSDO*8*-AP02-EN-P
Not resistant against gas jeopardizing the function
[sulphur dioxide (SO2), hydrogen sulphide (H2S)].
Resistant
Not resistant against organic chlorine compounds
Tension spring terminals
Inflexible: 0.5 mm
2
to 1.5 mm
Flexible without sleeve: 0.25 mm
Flexible with sleeve: 0.25 mm
AWG 24-16
0
1 in state without errors
10 - 57 Hz: 0.35 mm with constant amplitude
57-150 Hz; 5g acceleration, constant amplitude
30g via 11 ms, criterion A
SIL 2 (single-channel)
SIL 3 (dual-channel)
Depending on the parameterization and wiring, re‐
fer to
chapter 3.6 "Connecting options for actua‐
tors depending on the parameterization" on page
14
and refer to
chapter 7 "Connection examples
of the safe outputs" on page 33
SIL 2: Up to 1 % of 10
-2
(corresponds to 1 * 10
SIL 3: Up to 1 % of 10
-3
(corresponds to 1 * 10
SIL 2: Up to 1 % of 10
(corresponds to 1 * 10
-6
SIL 3: Up to 1 % of 10
(corresponds to 1 * 10
-7
Depending on the parameterization, refer to
"SIL/SIL CL" on page 35
1
20 years, at a low demand rate 25 years
2
2
to 1.5 mm
2
to 1.5 mm
2
2
-4
)
-5
)
)
-8
)
-9
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