Yaskawa Z1000U HVAC Matrix Bypass - Manual (Page 386)

D.4 MEMOBUS/Modbus Setup Parameters
u MEMOBUS/Modbus Serial Communication
Changes to MEMOBUS/Modbus communications settings become effective after restarting the drive.
n Z3-01: Serial Communications Protocol Select
Selects the bypass serial communications protocol.
No. Name Setting Range Default
Z3-01 Serial Communications Protocol Select 0 to 3 3
Setting 0: Modbus
Setting 1: N2
Setting 2: P1
Setting 3: BACnet
n Z3-02: Serial Communications Node Select
Selects the bypass serial communications node address.
Note: Each slave must be assigned a unique slave address for serial communications to work properly. Slave addresses do not need to be assigned
in sequential order, but no two slaves may share the same address.
No. Name Setting Range Default
Z3-02 Serial Communications Node Select 0 to 127 1
n Z3-03: Serial Communications Baud Rate Select
Selects the bypass serial communications speed.
No. Name Setting Range Default
Z3-03 Serial Communications Baud Rate Select 0 to 8 3
Setting 0: 1200 bps
Setting 1: 2400 bps
Setting 2: 4800 bps
Setting 3: 9600 bps
Setting 4: 19200 bps
Setting 5: 38400 bps
Setting 6: 57600 bps
Setting 7: 76800 bps
Setting 8: 115200 bps
n Z3-04: Serial Communications Parity Select
Selects the bypass serial communications parity. This setting is ignored when BACnet protocol is selected.
No. Name Setting Range Default
Z3-04 Serial Communications Parity Select 0 to 2 0
Setting 0: No Parity
Setting 1: Even Parity
Setting 2: Odd Parity
D.4 MEMOBUS/Modbus Setup Parameters
386 YASKAWA SIEP YAIZ1D 01A Z1000U HVAC MATRIX Drive Bypass Technical Manual