Yaskawa RS-485 MEMOBUS - Manual (Page 20)

5 Installation Procedure
20 YASKAWA ELECTRIC TOBPC73060033A RS-485 Interface Technical Manual
Multiple Drive Wiring
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.
• Set parameter H5-07 = 0 for each drive on
the network that is using RS-422
communications.
R+
R–
IG
S+
S–
PLC
Drive
SI-485/J
DIP Switch
OFF
S2
R+
R–
IG
S+
S–
Drive
SI-485/J
S2
R+
R–
IG
S+
S–
Drive
SI-485/J
S2
R+
R–
IG
S+
S–
DIP Switch
OFF
DIP Switch
ON