Siemens SIMATIC NET PROFIBUS manual Standards, Further Literature

Installing Network Components in Cubicles

Note

Regardless of the degree of protection of the casing, the electrical and optical ports are always sensitive to

–mechanical damage

–damage caused by electrostatic contact discharge

–contamination by dust and fluids

Close unused ports with the supplied dust protection caps. Remove these caps only immediately before connecting up the cables to the ports.

Standards

EN 60529:1991 Degrees of protection provided by casing (IP code) (IEC 60529:1989)

EN 60529:1989 Degrees of protection provided by enclosures (IP Code)

Further Literature

Klingberg, G.; Mähling, W.: Schaltschrank– und Gehäuse–Klimatisierung in der Praxis mit EMV; Heidelberg 1998

E-4	PROFIBUS Networks SIMATIC NET
	6GK1970-5CA20-0AA1 Release 2 05/2000