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3Controller
3.1.2 Protection specifications and operating supply
A protection method complying with the IEC Standard CR3-535M: IP54(Closed type), CR2B-574: 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】
<CR2B-574 controller>
・ The IEC IP20
+0.05
It indicates the protective structure that prevents an iron ball 12
mm diameter, which is being pressed with the
0
power of 3.1 kg ± 10%, from going through the opening in the outer sheath of the supplied equipment.
<CR3-535M controller>
・ 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 111, "6.2 Working environment"
for details on the working environment.
Standard specifications 3-39
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