Yaskawa AC Drive Z1000 AC Drive HVAC Fan - Manual (Page 290)

Setting 0: MEMOBUS/Modbus
Setting 1: N2
Setting 2: P1
Setting 3: BACnet
n H5-09: Communications Fault Detection Time
Sets the time the communications must be lost before the drive triggers a CE fault.
No. Name Setting Range Default
H5-09 Communications Fault Detection Time 0.0 to 10.0 s 2.0 s
n H5-10: Unit Selection for MEMOBUS/Modbus Register 0025H
Note: Leave parameter setting at default (Setting 0: 0.1 V units) for N2.
Sets the unit for the output voltage monitor value in MEMOBUS/Modbus register 0025H.
No. Name Setting Range Default
H5-10 Unit Selection for MEMOBUS/Modbus Register 0025H 0 or 1 0
Setting 0: 0.1 V units
Setting 1: 1 V units
n H5-11: Communications Enter Function Selection
Selects whether an Enter command is necessary to change parameter values via serial communications.
No. Name Setting Range Default
H5-11 Communications Enter Function Selection 0 or 1 0
Setting 0: Enter command necessary
Parameter changes become effective after an Enter command. An Enter command must only be sent after the last parameter
change, not for each single parameter.
Setting 1: Enter command not necessary
Parameter value changes become effective immediately without the need to send an Enter command.
n H5-12: Run Command Method Selection
Selects the type of sequence used when the Run command source is set to serial communications
(b1-02, b1-16 = 2).
No. Name Setting Range Default
H5-12 Run Command Method Selection 0 or 1 0
Setting 0: FWD/Stop, REV/Stop
Setting B0 1 (bit 0 of MEMOBUS/Modbus register 0001H) will start and stop the drive in the forward direction. Setting B0
2 (bit 1 of MEMOBUS/Modbus register 0001H) will start and stop the drive in reverse.
Setting 1: Run/Stop, FWD/REV
Setting B0 1 (bit 0 of MEMOBUS/Modbus register 0001H) will start and stop the drive. Setting B0 2 (bit 1 of MEMOBUS/
Modbus register 0001H) changes the direction.
D.4 N2 Setup Parameters
290 YASKAWA ELECTRIC SIEP YAIZ1U 03A YASKAWA AC Drive – Z1000 Programming Manual