Electrical connections
18
● The following tables show permissible combinations of transmitters, supply volt-
ages and maximum possible cable lengths.
— The capacitance values are typical values for commercially available shielded ca-
bles with PVC insulation. The use of cables with different capacity values will re-
sult in other cable lengths.
Transmitter
supply unit
Number of transmit-
ters
Maximum possible cable length
0.5 mm
2
265 pF/m
0.75 mm
2
320 pF/m
1.5 mm
2
375 pF/m
2.5 mm
2
400 pF/m
Endress + Hauser:
RN 221 N
1 1042 m 921 m 828 m 792 m
2 1007 m 890 m 801 m 766 m
3 972 m 860 m 774 m 740 m
4 936 m 829 m 747 m 714 m
5 901 m 799 m 720 m 689 m
6 702 m 768 m 693 m 663 m
MTL:
MTL 5042
1 463 m 695 m 828 m 792 m
2 463 m 695 m 801 m 766 m
3 463 m 695 m 774 m 740 m
4 463 m 695 m 747 m 714 m
5 463 m 695 m 720 m 689 m
6 379 m 569 m 693 m 663 m
7 281 m 421 m 666 m 637 m
Pepperl & Fuchs:
KFD2–STC4–Ex1
1 1042 m 921 m 828 m 792 m
2 1007 m 890 m 801 m 766 m
3 972 m 860 m 774 m 740 m
4 936 m 829 m 747 m 714 m
5 901 m 799 m 720 m 689 m
6 140 m 211 m 421 m 663 m
Stahl:
9160/13–11–11
1 1042 m 921 m 828 m 792 m
2 1007 m 890 m 801 m 766 m
3 972 m 860 m 774 m 740 m
4 936 m 829 m 747 m 714 m
5 901 m 799 m 720 m 689 m
6 865 m 768 m 693 m 663 m
7 281 m 421 m 666 m 637 m
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