3Controller
Standard specifications 3-31
3.1.2 Protection specifications and operating supply
A protection method complying with the IEC Standard 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.
Refer to the section
Page 91, "6.2 Working environment"
for details on the working environment.
