YASKAWA J1000 Technical Manual page 19

Multiple Drive Wiring
PLC
Note: Set termination resistor switch S2, located
on the SI-485/J Option Interface to the ON
position for the end drive on the network.
Note: Set parameter H5-07 = 0 for each drive on
the network that is using RS-422
communications.
YASKAWA ELECTRIC TOBPC73060033A RS-485 Interface Technical Manual
5 Installation Procedure
R+
R–
IG
S+
S–
R+
SI-485/J
R–
IG
S2
S+
S–
DIP Switch
OFF
R+
SI-485/J
R–
IG
S2
S+
S–
DIP Switch
OFF
R+
SI-485/J
R–
IG
S2
S+
S–
DIP Switch
ON
Drive
Drive
Drive
19