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Bosch Rexroth AG
Product description
3.5
Connection options for sensors depending on the
parameterization
Connection to the
IndraControl S20 connectors
Input signal
Cross-circuit monitoring
Sensors that can be con-
nected:
– Contact-based
– With OSSD outputs
Achievable safety
SIL
integrity
SILCL
Cat.
PL
For connection example,
see page
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Sensors that meet various safety requirements depending on the parameterization
can be connected to the inputs.
The maximum achievable SIL/SILCL/Cat./PL is specified in the table.
In order to meet the safety requirements:
•
Observe the information in the connection examples: see
ples for safe inputs" on page
•
Observe the requirements of the standards with regard to the external wiring
and the sensors to be used to achieve a SIL/SILCL/Cat./PL: see
achieve a specific safety integrity level" on page
Single-channel sensor or redundant
sensor
With
Without
Yes
Yes
No
-
Yes
2
2
2
2
3*
2
d
d
40
42
*
Cat. 3 can only be achieved with a redundant sensor.
**
The category that can be achieved depends on the sensor used.
DOK-CONTRL-S20*PSDI*8*-AP02-EN-P
IndraControl S20 Module With Safe Digital Inputs S20-PSDI-8/4
37.
Input
Two-channel redundant controlling device/sensor
Equivalent
With
Without
-
Yes
Yes
No
-
2
3
3
2
3
3
2
4
3
d
e
d
44
49
51
"Connection exam-
"Measures to
38.
Non-equivalent
With
Without
-
Yes
Yes
Yes
No
No
3
3
3
3
3
3
4**
4
3
e
e
d
53
58
59
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