Memobus/Modbus Termination; Memobus/Modbus Termination - YASKAWA T1000V Technical Manual

3.10 MEMOBUS/Modbus Termination

3.10 MEMOBUS/Modbus Termination

DIP switch S2 controls the terminal resistance as shown in Figure 3.23. 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 3.16 MEMOBUS/Modbus Switch Settings
S2 Position Description
ON Internal terminal resistance ON
OFF Internal terminal resistance OFF (no terminal resistance); default setting
Figure 3.23
DIP Switch S2
OFF ON
Figure 3.23 DIP Switch S4
Note: Refer to the MEMOBUS/Modbus communications manual for details on MEMOBUS/Modbus.
66 YASKAWA ELECTRIC SIEP C710606 44B YASKAWA AC Drive T1000V Technical Manual