Siemens SIMATIC NET PROFIBUS Instructions d'exploitation Page 322

  • Télécharger
  • Ajouter à mon manuel
  • Imprimer
  • Page
    / 490
  • Table des matières
  • DEPANNAGE
  • MARQUE LIVRES
  • Noté. / 5. Basé sur avis des utilisateurs
Vue de la page 321
Installing Network Components in Cubicles
E-2
PROFIBUS Networks SIMATIC NET
6GK1970-5CA20-0AA1 Release 2 05/2000
Degree of Protection
The various degrees of protection are shown and explained briefly in Table E1.
For more detailed information on the individual ratings and the test conditions that
must be fulfilled, please refer to the standards listed above.
Table E-1 Degree of Protection Afforded (Brief Outline)
Code
Number
Contact and Solid Body
Protection
Water Protection
0 No protection No protection
1 against solid bodies 50 mm
diameter
dropping vertically
2 against solid bodies 12 mm
diameter
dropping inclined at 15°
3 against solid bodies 2.5 mm
diameter
spray water, inclined up to 60°
5 against solid bodies 1 mm
diameter
spray water from any direction
6 dust deposits spray water water jet from
nozzle
7 ingress of dust (dustproof) Heavy spray water
8 intermittent immersion at
specified pressure for specified
time
9 permanent immersion at
specified pressure for specified
time
Vue de la page 321
1 2 ... 317 318 319 320 321 322 323 324 325 326 327 ... 489 490

Commentaires sur ces manuels

Pas de commentaire