4 Wiring Promag 53 PROFIBUS-DP/-PA
52 Endress+Hauser
4.2.2 Cable specifications
Coil cable
• 2 x 0.75 mm
2
PVC cable with common, braided copper shield (Ø approx. 7 mm)
• Conductor resistance: ≤ 37 Ω/km
• Capacitance: core/core, shield grounded: ≤ 120 pF/m
• Permanent operating temperature: –20...+80 °C
Signal cable:
• 3 x 0.38 mm
2
PVC cable with common, braided copper shield (Ø approx. 7 mm) and
individually shielded cores
• With Empty Pipe Detection (EPD): 4 x 0.38 mm
2
PVC cable with common, braided
copper shield (Ø approx. 7 mm) and individually shielded cores
• Conductor resistance: ≤ 50 Ω/km
• Capacitance: core/shield: ≤ 420 pF/m
• Permanent operating temperature: –20...+80 °C
Fig. 32: a = Signal cable, b = Coil current cable
1 = Core
2 = Core insulation
3 = Core shield
4 = Core jacket
5 = Core reinforcement
6 = Cable shield
7 = Outer jacket
As an option, E+H can also deliver reinforced connecting cables with an additional,
reinforcing metal braid. We recommend such cables for the following cases:
• Directly buried cable
• Cables endangered by rodents
• Device operation which should comply with the IP 68 standard of protection
Operation in zones of severe electrical interference:
The measuring device complies with the general safety requirements in accordance
with EN 61010, the EMC requirements of EN 61326, and NAMUR recommendation
NE 21.
Caution:
Grounding is by means of the ground terminals provided for the purpose inside the con-
nection housing. Keep the stripped and twisted lengths of cable shield to the terminals
as short as possible.
1
2
3
4
5
6
7
ab
F06-5xWxxxxx-04-11-08-xx-003
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