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3Controller
3.1.2 Protection specifications and operating supply
A protection method complying with the IEC Standard IP20(Opened type) is adopted for the controller.
The IEC IP symbols refer only to the degree of protection between the solid and the fluids, and don't indicated
that any special protection has been constructed for the prevention against oil and water.
【Information】
・ The IEC IP20
+0.05
It indicates the protective structure that prevents an iron ball 12
mm diameter, which is being pressed with
0
the power of 3.1 kg±10%, from going through the opening in the outer sheath of the supplied equipment.
Refer to the section
Page 106, "6.2 Working environment"
for details on the working environment.
Standard specifications 3-32
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