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PE connection
In case of a fault: Hazardous voltage while protective earth conductor is NOT
connected!
Risk of electric shock.
→
Connect all protective earth conductors.
→
Connect PE connection to external protective earth conductor of connecting
cables.
→
Start running the device only after having connected the protective earth con-
ductor.
9.
Fasten PE using spade lugs or wire end sleeves at protective earth connection
( ) as shown. Do not completely loosen screw!
Figure 15: PE connection
Table 8:
Terminal cross sections and tightening torques of PE connection
Tightening torques
Terminal cross sections
Designation
1.2 – 2.2 Nm
1.0 – 6 mm
2
(flexible) with ring lugs
1.5 – 10 mm
2
(solid) with loops
Protective earth connection
(PE)
10. Connect fieldbus cables.
Refer to subsequent chapter!
6.4.
Fieldbus cables: connect
1.
Observe characteristics of topology used.
Figure 16: Structure for line topology
further fieldbus devices will follow
□
last fieldbus device, termination must be activ-
ated
■
from the previous device
↑
to the next device
↓
19
PROFOX / PF-M25 – PF-M100
Profibus DP
Electrical connection