Siemens SINAMICS CU240S DP-F Operating Instructions Manual page 36

Installing/Mounting
4.3 Connecting a CU240S via USS on RS485
Cable Lengths and number of devices
Table 4-3
Baudrate in bit/s
9600
19200
38400
57600
115200 (maximum baudrate)
36
Max. number of devices and max. cable length
Max Number of Devices
32
32
32
32
30
Operating Instructions, 07/2008 - FW 3.2, A5E00766042B AD
Max Cable Length
1200 m
1200 m
1200 m
1200 m
1000 m
Control Units CU240S