2.3 Connecting to a Network
YASKAWA ELECTRIC SIEP C710606 10A YASKAWA AC Drive - V1000 PRELIM. Programming Manual 261
MEMOBUS/Modbus
Communications
2
terminating resistance by setting DIP switch S2 to the ON position. Disable the terminating
resistance on all nodes that are not located at the network line end. Figure 2.3 illustrates the
setting of DIP switch S2.
Figure 2.3
Figure 2.3 Serial Communications Terminal and DIP Switch S2
RS-422A
or
RS-485
R+
R
-
DIP
switch
S2
terminal resistance (1/2 W㧘110 Ω)
S+
S
-
+
-
OFF ON
DIP Switch S2