Yaskawa Z1000U HVAC Matrix Bypass - Manual (Page 366)

C.4 BACnet Setup Parameters
u BACnet Serial Communication
This section describes parameters necessary to set up BACnet communications.
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 Z3-05: Serial Communications Fault Select
Selects the action to take when a serial communications fault is detected. A serial communications fault is detected when after
last communicating, no communications occurs within the time set to Z3-06.
No. Name Setting Range Default
Z3-05 Serial Communications Fault Select 0 to 4 1
Setting 0: Ignore
Setting 1: Alarm Only
Setting 2: Fault with EF0
An EF0 fault will be sent to the drive.
Setting 3: Fault with EF0 and Open Contactors
An EF0 fault will be sent to the drive and the bypass contactor (K3) will be opened.
Setting 4: Alarm and run at preset speed set in Z3-10
Display AL14 alarm on operator.
C.4 BACnet Setup Parameters
366 YASKAWA SIEP YAIZ1D 01A Z1000U HVAC MATRIX Drive Bypass Technical Manual