Leuze electronic BPS 307i - Cable Lengths and Shielding

Electrical connection
Leuze electronic BPS 307i 50
7.6 Cable lengths and shielding
Observe the maximum cable lengths and the shielding types:
Cable length according to the data rate
The maximum possible cable length of the SSI connection is dependent on the used cable and the data
rate.
Table 7.5: SSI cable lengths according to the data rate
Connection Interface Max. cable length Shielding
BPS service USB 3 m Shielding absolutely
necessary acc. to USB
specifications
BPS power supply unit 30 m Not necessary
NOTICE
Data cables for the SSI interface!
 Use only shielded and twisted-pair cables as data line for the SSI interface.
Twisting: pin 1 with 2, pin 3 with 4
The shield must be connected at both ends.
 Do not lay the data line parallel to power cables.
Data rate [kbit/s] 80 100 200 300 400 500 600 800
Maximum cable length [m] 500 400 200 100 50 25 18 15