Kübler SMC1.3, Safety Manual

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R60047.0002 - Index 2 EN – page 8 / 115
2 Introduction
This series of speed monitors is suitable for safety-related monitoring tasks, e.g. over-
speed, under-speed, standstill and direction of rotation. This SIL3/PLe certified
generation of devices was developed to achieve functional safety by supporting a wide
range of sensors and encoders in different combinations.
Due to parallel encoder inputs these devices are perfectly suitable for the retrofitting of
existing plants and machines which are using “non-safe“ sensors. This offers a great
opportunity to save costs for expensive and certified sensors. Also, the costs for new
installations and adjustments can be reduced significantly by using the existing
components and wiring.
Typical examples are centrifuges, cranes, wind power or hauling plants.
Special features:
•
Additionally, suitable for use with setup operations, e. g. for manual settings in
plants with open protection doors and reduced speed
•
All models are safety-related and dually certified according to EN 61508, EN 62061 /
SIL3 and EN ISO 13849-1 Cat. 3 / PLe, even when using “non-safety-related” standard
sensors or encoders
•
Generally, the use of 2 sensors / encoders is required because only then SIL3 / PLe
can be achieved. When using a single SIL2/PLd certified Incremental encoder, only a
maximum of SIL2/PLd can be reached.
•
Wide input frequency range and fast response time
•
Very versatile range of possible monitoring functions
•
It is recommended to setup the SMCX unit via the front USB port by using a PC and
the OS6.0 operator software.
•
The final “
Safety Integrity Level
(SIL)” or “Performace Level (PL)“ results from the
selected configuration and from external components connected to the unit.
• The additional display and operating unit SMCB (optional accessory, not included
in the delivery) is used to display the encoder frequencies in converted operator
units and further for visual monitoring of the SMCX unit.