Supplementary data
Operating Manual PNOZ m EF 2MM
1003107-EN-10
50
9.1.3
Safety-related characteristic data for operation with non-safety-related
encoder without additional requirements
9.1.3.1
Permitted sensor types and output signals
Permitted encoder types:
}
Rotary non-safety-related encoders
}
Linear non-safety-related encoders
Permitted output signals:
}
Square output signals TTL, single ended
}
Square output signals TTL, differential
}
Square output signals HTL, single ended
}
Square output signals HTL, differential
}
Sin/Cos output signals 1Vss, reference voltage
}
Sin/Cos output signals 1Vss, differential
9.1.3.2
Safety-related architecture
To calculate the safety function you will need the following data for the "sensor" subsystem
and the subsystem PNOZ m EF 2MM:
Sensor
Subsystem PNOZ m EF 2MM
Category
MTTFd
DC
Operating mode
PFH (1/h)
1*
Manufacturer-
specific
0 %
Monitoring
1 sensor
1,83E-08
The values for
DC
refer to the standard EN 61508.
*In accordance with EN ISO 13849-1, Category 1 is only met if the sensor is a "well-tried
component".
9.1.3.3
Achievable safety level
Monitoring
function
PL of EN ISO 13849-1: 2015
SIL CL in accordance with
EN IEC 62061
SOS-M
SSR-M
SDI-M
SSM
SS1-M
SS2-M
SLA-M
SAR-M
PL c (Cat.1)
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