YASKAWA SI-P3/V Installation Manual page 20

5 Installation Procedure
Figure 6
Figure 6 PROFIBUS Cable Connection with Termination Resistors
Figure 7
Figure 7 Cable Termination of the PROFIBUS-DP Option Cable to EN50170
20
9-pin D-sub Connector
Switch
O
Incoming Cable
Bus termination ON = incoming and outgoing cables not connected.
Bus termination OFF = incoming and outgoing cables connected.
VP (pin 6)
B - Data line
RxD/TxD-P (pin 3)
A - Data line
RxD/TxD-N (pin 8)
DGND (pin 5)
(pin numbers for a 9-pin D-sub connector)
YASKAWA ELECTRIC TOBP C730600 23C 1000-Series Option SI-P3/V, SI-P3/T Installation Manual
Bus termination
ON
O
O
OFF
Outgoing Cable
390 Ω
220 Ω
390 Ω