183
F3SG-R
User’s Manual
Chapter
4
Wiring
Wiring/Installation
E
4-5-5. Functional Earth Connection
The F3SG-R operates properly without functional earth connection in a general industrial environment.
If the F3SG-R fails due to electrical noise, connecting the F3SG-R to the functional earth may work to
prevent the noise. It is recommended the functional earth terminal of the F3SG-R be connected to
functional earth cables. Connection with protective earth cables may cause the F3SG-R to fail due to a
noise level of the environment.
When you connect the F3SG-R with the functional earth, connect an earth cable to the functional earth
terminals, as shown below.
The size of the screws of the terminals is M3. Make sure to use crimp terminals that fits the size.
The earth cable must have a cross section of 1 mm
2
or more with conductor resistance of 0.058 ohms/
m or less and a length of 20 m or less.
Bottom view of F3SG-RA
Bottom view of F3SG-RE
Power Cable
Do not loosen these screws.
Functional earth terminal (M3)
Connect an earth cable to either of
these screws.
Do not loosen these screws.
*
* Select either of the terminals of the emitter and receiver according to your environment.
Содержание F3SG-RA
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Страница 16: ...xiv Introduction F3SG R User s Manual...
Страница 24: ...xxii Introduction F3SG R User s Manual...
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Страница 208: ...184 Chapter 4 Wiring F3SG R User s Manual Wiring Installation...
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