Drivedata DR2 Especificaciones Pagina 48

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Installing the control panels
2.2.2
Noise-proof devices
2
-10
2.2.2 Noise-proof devices
Installing CR-type surge absorbers
Provide AC-powered solenoids, contactors, relays, and induction motors with a CR-type
surge absorber.
For solenoids, contactors, and relays:
Note: A surge absorber must be installed as close to a coil as possible.
For induction motors:
Note: A surge absorber must be installed as close to a motor as possible.
Construction of a surge absorber
The recommended values of C and R are as follows:
• R = DC resistance of a coil (
Ω
)
Note: I = Steady-state current of a coil
スパークキラー
スパークキラー
電磁弁
コンタクタ,リレー
AC
Solenoid
Surge absorber
Contactor or relay
Surge absorber
Surge absorber
Surge
absorber
Motor
R
S
T
Surge absorber
INFO
RC
to
C
10
I
2
20
I
2
F
)
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