YASKAWA SI-P3/V Installation Manual page 18

Figure 2.5
Figure 5 PROFIBUS Cable Connection with Termination Resistors
Bus termination ON = incoming and outgoing cables not connected.
Bus termination OFF = incoming and outgoing cables connected.
Figure 2.6
Figure 6 Cable Termination of the PROFIBUS cable according to EN50170
YASKAWA ELECTRIC TOBP C730600 23A V1000 Option PROFIBUS-DP Installation Manual
9-pin D-SUB Connector
Bus termination
Switch
O
Incoming Cable
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)
5 Installation Procedure
ON
O
O
OFF
Outgoing Cable
390 Ω
220 Ω
390 Ω
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