YASKAWA A1000 HHP Programming Manual page 318

B.3 Connecting to a Network
318
Control Module
S -
S+
RS-422
or
R -
RS-485
R+
Termination resistor (1/2W, 110 W)
Figure B.5 MEMOBUS/Modbus communication terminal and S2 DIP switch
YASKAWA ELECTRIC SIEP YEAHHP 01B YASKAWA AC Drive – A1000 HHP Programming Manual
Dip Switch S2
OFF
OFF: Factory Setting
-
+
Dip
Switch
S2
ON
O
N