Yaskawa AC Drive Z1000 AC Drive HVAC Fan - Manual (Page 305)

u Wiring Diagram for Multiple Connections
Figure B.3 and Figure E.4 explain the wiring diagrams for multiple connections using MEMOBUS/Modbus communication.
n RS-485 Interface
Drive
Drive
Drive
S2
S2
S2
S–
S+
R–
R+
IG
S–
S+
R–
R+
IG
S–
S+
R–
R+
IG
R–
R+
S–
S+
IG
PLC
OFF
OFF
ON
Figure E.3 RS-485 Interface
Note: 1. Set DIP switch S2 to the ON position on the drive located at the end of the network. Set DIP switch S2 to the OFF positions on all other
slave devices.
2. Set H5-07 to 1 when using the RS-485 interface.
E.3 Connecting to a Network
YASKAWA ELECTRIC SIEP YAIZ1U 03A YASKAWA AC Drive – Z1000 Programming Manual 305
E
MEMOBUS/Modbus Communications