Wiring Diagram For Multiple Connections - YASKAWA Z1000 CIMR-ZU*A Series Programming Manual

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Wiring Diagram for Multiple Connections

This section explains proper wiring for multiple connections using MEMOBUS/Modbus communication.
n RS-485 Interface
Note: The isolated ground (IG) connection is optional but strongly recommended to improve network immunity to electrical interference.
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.
YASKAWA SIEP YAIZ1U 03B YASKAWA AC Drive – Z1000 Programming Manual
R–
R+
S–
Controller
S+
IG
Figure E.3 RS-485 Interface
E.3 Connecting to a Network
S–
Drive
S+
R–
S2
R+
IG
OFF
S– Drive
S+
R–
S2
R+
IG
OFF
S–
Drive
S+
R–
S2
R+
ON
IG
E
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