YASKAWA Z1000U Technical Manual page 74

3.6 Bypass and Drive Control I/O Connections
No. Parameter Name
H4-07 Terminal FM signal level selection
H4-08 Terminal AM signal level selection
u
MEMOBUS/Modbus Termination
This drive is equipped with a built-in termination resistor for the RS-422/RS-485 communication connector. DIP switch S2
enables or disabled 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.
the Terminal Board on page 72
S2 Position
ON
OFF
74
Table 3.15 Parameter H4-07 and H4-08 Details
0: 0 to 10 Vdc
1: -10 to 10 Vdc
2: 4 to 20 mA
Table
to locate switch S2.
Table 3.16 MEMOBUS/Modbus Termination Switch S2 Settings
Description
3.16. The OFF position is the default. The termination resistor
Description
Internal termination resistor ON
Internal termination resistor OFF (default setting)
YASKAWA SIEP YAIZ1D 01C Z1000U HVAC MATRIX Drive Bypass Technical Manual
Setting Range Default Setting
0 to 2
Refer to Switches and Jumpers on
0