Memobus/Modbus Switch Settings; Dip Switch S2; 3.10 Memobus/Modbus Termination - YASKAWA V1000 Series Installation & Start-Up Manual

3.10 MEMOBUS/Modbus Termination

3.10 MEMOBUS/Modbus Termination
DIP switch S2 controls the terminal resistance as shown in the Figure 3.29. The OFF
position is the default of the terminating resistor switch for MEMOBUS/Modbus
communications. Turn the terminal resistor switch ON when the drive is the last drive in a
series of slave drives.
Table 3.15 MEMOBUS/Modbus Switch Settings
S2 Position Description
ON Internal terminal resistance ON
OFF Internal terminal resistance OFF (no terminal resistance); default setting
Figure 3.29

DIP Switch S2

OFF ON
Figure 3.29 DIP Switch S2
Note: Refer to the MEMOBUS/Modbus communications manual for details on MEMOBUS/Modbus.
82 YASKAWA ELECTRIC TOEP C710606 09B YASKAWA AC Drive V1000 Installation & Start-Up Manual