Operating instructions Chapter 1
Flexi Classic
8011509/YPP0/2015-10-26 © SICK AG • Industrial Safety Systems • Germany • All rights reserved 7
Subject to change without notice
About this document
1.4 Scope
These operating instructions are original operating instructions.
These operating instructions apply to all Flexi Classic safety controller modules with the
following entry in the field Operating Instructions on the type label: “E-01” or higher. Take
into account the respectively applicable operating instructions (refer to the type label entry
on the modules).
1.5 Abbreviations
External device monitoring
Electro-sensitive protective equipment (e.g. C4000)
Output signal switching device
Programmable logic controller
Safety Integrity Level
SIL claim limit
1.6 Symbols used
Refer to notes for special features of the device.
LED symbols describe the state of a diagnostics LED. Examples:
Ν The LED is illuminated constantly.
∏ The LED is flashing.
ν The LED is off.
Instructions for taking action are shown by an arrow. Read carefully and follow the
instructions for action.
Warning!
A warning notice indicates an actual or potential risk or health hazard. They are designed
to help you to prevent accidents.
Read carefully and follow the warning notices!
EDM
ESPE
OSSD
PLC
SIL
SILCL
Note
Ν, ∏, ν
= Take action …
WARNING
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