Yaskawa Z1000U HVAC Matrix Bypass - Manual (Page 221)

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
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.
n Z3-06: Serial Communications Fault Time Select
Sets the time allowed to elapse since receiving serial communications before triggering a communications fault.
A value of 0.0 means to never time out.
No. Name Setting Range Default
Z3-06 Serial Communications Fault Time Select 0.0 s to 99.9 s 2.0 s
n Z3-07: Serial Communications Receive to Transmit Wait Time
Sets the time to delay a serial communications response to a serial communications command.
5.14 Z: Bypass Parameters
YASKAWA SIEP YAIZ1D 01A Z1000U HVAC MATRIX Drive Bypass Technical Manual 221
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Programming