Siemens SIMATIC NET PROFIBUS Instructions d'exploitation Page 156

  • 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 155
Passive Components for RS-485 Networks
4-58
PROFIBUS Networks SIMATIC NET
6GK1970-5CA20-0AA1 Release 2 05/2000
4.7.5 Grounding
If the bus terminal is mounted on a DIN rail (see Figure 4-33), the shield clamp
makes large-area contact with the rail via an internal spring. To connect the cable
shield with local ground, a connection between the DIN rail over as short a
distance as possible to local earth is adequate.
PE
AB AB
PE P
E
AB A B
P
E
AB AB
PE
PE
AB AB
PE
Wall installation with securing
screws
Installation with a standard rail
on a cabinet panel
Shield clamp/
PE
grounding bar
Installation on closet panel
with securing screws
Bus
terminated
Bus
terminated
Bus
terminated
Bus
terminated
Shield clamp/
grounding bar
MADE IN GERMANY
MADE IN GERMANY
MADE IN GERMANY
MADE IN GERMANY
1)
2
)
1) If this grounding cable exceeds a length of 20 cm,
the shield must be grounded to the closet panel (2).
Figure 4-33 Ways of Installing and Grounding the Bus Terminal
Note
The grounding bar and local ground must be connected by a Cu conductor with
6 mm
2
cross-section over as short a distance as possible.
Vue de la page 155
1 2 ... 151 152 153 154 155 156 157 158 159 160 161 ... 489 490

Commentaires sur ces manuels

Pas de commentaire

Puls CD5.243 manuels

Manuels d'utilisation et guides de l'utilisateur pour Accessoires pour les appareils électriques Puls CD5.243.
Nous fournissons des manuels en pdf 1 Puls CD5.243 à télécharger gratuitement par type de document : Manuel de l'utilisateur






Plus de produits et de manuels pour Accessoires pour les appareils électriques Puls

Modèles Type de document
Aucun