Memobus/Modbus Termination - YASKAWA L1000A Technical Manual

3.11 MEMOBUS/Modbus Termination

This drive is equipped with a built-in termination resistor for the RS-422/485 communication port. DIP switch S2 enables
or disables the termination resistor as shown in
should be placed to the ON position when the drive is the last in a series of slave drives.
S2 Position
ON
OFF
Figure 3.25
YEA_TMonly
Note: Refer to the MEMOBUS/Modbus Communications on page 443
YASKAWA ELECTRIC SIEP C710616 38F YASKAWA AC Drive - L1000A Technical Manual
Figure 3.26. The OFF position is the default. The termination resistor
Table 3.13 MEMOBUS/Modbus Switch Settings
Internal termination resistor OFF (default setting)
DIP Switch S2
OFF ON
(OFF:default)
Figure 3.26 DIP Switch S2
3.11 MEMOBUS/Modbus Termination
Description
Internal termination resistor ON
for details on MEMOBUS/Modbus.
3
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