Yaskawa 1000 Series Drive Option - Profibus-DP Installation - Manual (Page 20)

5 Installation Procedure
20 YASKAWA ELECTRIC TOBP C730600 42C 1000-Series Option SI-P3 Installation Manual
Figure 8
Figure 8 PROFIBUS Cable Connection with Termination Resistors
Termination resistors without inductors as shown in Figure 9 can only be used for
baud rates below 1.5 Mbps. Baud rates 1.5 Mbps and higher require termination
with resistors and inductors as shown in Figure 7 .
Figure 9
Figure 9 Cable Termination of the Option Cable to EN50170
(Pin Numbers for a 9-pin D-sub Connector)
Bus termination ON = incoming and outgoing cables not connected.
Bus termination OFF = incoming and outgoing cables connected.
ON
OFF
Outgoing Cable Incoming Cable
Switch
Bus termination
9-pin D-sub Connector
O O
O
390 Ω
B - Data line
DGND (pin 5)
RxD/TxD-N (pin 8)
RxD/TxD-P (pin 3)
VP (pin 6)
A - Data line
220 Ω
390 Ω