Symbols Used - SICK Stsndart IN4000 Instrucciones De Servicio

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Operating Instructions
IN4000 Standard
Recommen-
dation
Note
Ν Red,
∏ Yellow,
ν Green
= Take
action ...
WARNING
© SICK AG • Industrial Safety Systems • Germany • Subject to change without notice • 8010934/YTC9/2016-04-01
About this document
1.5

Symbols used

Recommendations are designed to give you some
assistance in your decision-making process with
respect to a certain function or a technical measure.
Refer to notes for special features of the device.
LED symbols describe the status of a diagnostics LED.
Examples:
Ν Red
The red LED is illuminated constantly.
∏ Yellow
The yellow LED is flashing.
ν Green
The green LED is off.
Instructions for actions to be taken are shown by an
arrow. Carefully read 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.
= Always read warnings attentively and follow instruc-
tions carefully!
The term "dangerous state"
The "dangerous state" (standard term) of the machine
is always shown in the drawings and diagrams of this
document as the movement of a machine part. In
practical operation, there may be a number of diffe-
rent dangerous states:
• machine movements,
• electrical conductors,
• visible or invisible radiation,
• a combination of several hazards.
Chapter 1
55

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