Siemens SIMATIC NET PROFIBUS manual Tap Line Lengths for DP/PA Couplers

Topologies of SIMATIC NET PROFIBUS Networks

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

PROFIBUS Networks SIMATIC NET	2-19
6GK1970-5CA20-0AA1 Release 2 05/2000