Siemens SIMATIC NET PROFIBUS Manuale Utente
Topologies of SIMATIC NET PROFIBUS Networks
2-19
PROFIBUS Networks SIMATIC NET
6GK1970-5CA20-0AA1 Release 2 05/2000
6GK1970-5CA20-0AA1 Release 2 05/2000
Table 2-2
Tap Line Lengths for DP/PA Couplers
Number of tap lines
Maximum length of the tap line
DP/PA coupler
DP/PA coupler Ex [i]
1 to 12
max. 120 m
max. 30 m
13 to 14
max. 90 m
max. 30 m
15 to 18
max. 60 m
max. 30 m
19 to 24
max. 30 m
max. 30 m