3-32 Standard specifications
3 Controller
3.1.2 Protection specifications and operating supply
(1) Protection specifications
A protection method complying with the IEC Standard IP20 (Opened type) is adopted for CR800
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.
(2) Operating supply
The controller is supposed to be installed and used in the customer's system. Supply the primary power of
the controller from the system. In addition, provide a safety device (ex. earth-leakage current breaker) that
can shut off the power of the controller in the customer's system. When using the earth-leakage current
breaker as a safety device, select the product that meets the following specifications.
Refer to the section Page 105, "6.2 Working environment" for details on the working environment.
Item Unit Specification
Rated voltage V AC200 to 230
Rated sensitivity current mA 30 or more
Rated current A 10 or more
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