Table of Contents
Figure 3-10 Two channel complementary sensor
3.2
Sensors for speed and/or position recording
3.2.1
General technical safety surface mounted sensor interface for position
and/or speed.
The SI-Safety module has two encoder interfaces.
Depending on the type and combination of encoders, different safety levels can be
achieved. The following system configuration emerges for a corresponding sub system:
Figure 3-11 shows a dual channel sensor system with separate signal processing in two
channels, diagnosis through cross checking in the PES.
Figure 3-11 Sensors for speed and/or position recording
Sensor
Figure 3-12 illustrates a sensor system with one and two channel subsystem (example:
incremental encoder). Diagnosis using separate signal processing in two channels and
cross checking in the PES as well as other specific forms of diagnosis
Figure 3-12 Single and two channel subsystem
One channel
system
Eink. Teilsyst .
Sendeopt .
Sensor
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I/O interface
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SI-Safety Installation & Operating Manual
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Aktuator
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Aktuator
Issue Number: 1
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