Chapter 1 Operating Instructions
TR4
58 © SICK AG • Industrial Safety Systems • Germany • All rights reserved 8014467/YTD7/2016-03-30
Subject to change without notice
About this document
en
1.4 Scope
These operating instructions are original operating instructions.
These operating instructions are only applicable to the TR4 Direct
safety switch with the following entry on the type label in the field
Operating Instructions: 8014467.
1.5 Abbreviations used
External device monitoring
Output signal switching device
1.6 Symbols used
Recommendations are designed to give you some assistance in your
decision-making process with respect to a certain function or a techni-
cal measure.
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 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!
The term “dangerous state”
The dangerous state (standard term) of the machine is always shown in
the drawings and diagrams of this document as a movement of a ma-
chine part. In practical operation, there may be a number of different
dangerous states:
• machine movements
• electrical conductors
• visible or invisible radiation
• a combination of several risks and hazards
Note
EDM
OSSD
Recommendation
Note
Ν, ∏, ν
= Take action …
WARNING
To Next Page
Loading...
Need help?
General
