90 YASKAWA TM.V1000.01 V1000 Drive Installation & Start-Up Manual (Preliminary 01-19-07)
3.10 MEMOBUS/Modbus Termination
3.10 MEMOBUS/Modbus Termination
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. DIP switch S2 controls the terminal
resistance as shown in the Figure 3.29.
Table 3.13 MEMOBUS/Modbus Switch Settings
Figure 3. 29
Figure 3.29 MEMOBUS/Modbus Terminal Resistor Switch
Note: Refer to the MEMOBUS/Modbus communications manual for details on
MEMOBUS/Modbus.
S2 Position Description
ON Internal terminal resistance ON
OFF Internal terminal resistance OFF (no terminal resistance); default setting
A – DIP switch S2 C – ON
B–OFF
B
C
A