3.10 Memobus/Modbus Termination - YASKAWA V1000 Series Installation & Start-Up Manual

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