YASKAWA CIMR-ZU A Series Programming Manual page 309

irin Dia ram or Multiple Connections
This section explains proper wiring for multiple connections using APOGEE FLN communication.
S 8 Inter ace
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
Note:
slave devices.
2. Set H5-07 to 1 when using the RS-485 interface.
Net or ermination
Terminate each APOGEE FLN network segment on both ends to eliminate signal reflections. Yaskawa recommends using
the Siemens Building Automation BLN Trunk Terminator (PN: 538-664) and setting the network termination switch on the
drive, S1-1, to OFF.
R–
R+
S–
Controller
S+
IG
Fi ure C 2
S–
Drive
S+
R–
S2
R+
IG
OFF
S– Drive
S+
R–
S2
R+
IG
OFF
S–
Drive
S+
R–
S2
R+
ON
IG
S 8 Inter ace
C Connectin to a Net or
C