3-41 Standard specifications
3Controller
3.1.2 Protection specifications and operating supply
A protection method complying with the IEC Standard IP20(Opened type), IP54(Closed 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
It indicates the protective structure that prevents an iron ball 12
0
+0.05
mm diameter, which is being pressed with
the power of 3.1 kg±10%, from going through the opening in the outer sheath of the supplied equipment.
・ The IEC IP54
The IEC IP54 standard refers to protection structure designed to prevent any harmful effects by fresh water
scattering vertically onto the testing equipment in a radius of 180 degrees from a distance of 300 to 500 mm, with
10 ± 0.5 liters of water every minute, at a water pressure of 80 to 100kPa , covering the entire area of the robot
with the exception of the installation section at 1 ㎡ per minute, for a total of 5 minutes or more.
Refer to the section Page 128, "6.2 Working environment" for details on the working environment.
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