Connection Diagram - YASKAWA SI-P3/V Technical Manual

Properly connect all pins and connectors.
Failure to comply may prevent proper operation and possibly damage equipment.
Check wiring to ensure that all connections are correct after installing the option unit and connecting
any other devices.
Failure to comply may result in damage to the option unit.

Connection Diagram

To PROFIBUS-DP
Master
To the next slave
<1> The FE terminal on the PROFIBUS-DP Option is fitted with a ground cable that should be connected to the ground terminal on the drive.
PROFIBUS-DP Termination
Because the option card does not have a termination resistor, a termination resistance must be set using a switch on the 9
pin D-sub connector. Make sure that only the D-sub connector for the last or end drive in the network has a terminating
resistor. If any other drive on the network has a terminating resistor, communication problems may occur.
Most 9 pin D-sub connectors have a function for disconnecting the output side of the cable. Use only the input side cable
entry when connecting both ends of the network. If the connector is reversed, then communication will not be possible
between devices. Most connectors have arrows indicating the input and output sides.
Terminating resistors are shown in
rates require termination with resistors as shown in
Figure 5
YASKAWA ELECTRIC SIEP C730600 23B V1000 Option PROFIBUS-DP Technical Manual
PROFIBUS Cable
(Red)
1B
(Green) 1A
(Red)
2B
(Green) 2A
(Shell)
Figure 5 Connection Diagram
Figure 6 can only be used. for baud rates below 1.5 Mbps. 1.5 Mbps and higher baud
Figure 7
Incoming Cable
Figure 6 PROFIBUS Cable Connection with Termination Resistors
Bus termination ON = incoming and outgoing cables not connected.
Bus termination OFF = incoming and outgoing cables connected.
NOTICE
PROFIBUS Cable Connector
B-line
A-line
RTS
VP
390 Ω 220 Ω 390 Ω
DGND
9-pin D-SUB Connector
For the last node on the bus,
turn on the termination resistor switch.
9-pin D-sub Connector
Bus termination
Switch
ON
O
O O
OFF
Outgoing Cable
5 Installation Procedure
V1000
<1>
CN5
3
FE
8
4
SI-P3/V
6
5
(Shell)
13