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 Detection Time
0.0 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.
No.
Name
Setting Range
Default
Z3-07
Serial Communications Receive to Transmit Wait Time
0 to 99 ms
5 ms
Command message
Response message
Command message
Controller→Bypass
→Bypass
→
Time
24-bit length Z3-07 setting
Bypass Controller
Controller
Figure F.4 Serial Communications Receive to Transmit Wait Time Setting
n
Z3-10: Cable Loss Pre-set Speed
When a serial communicaions fault is detected and Z3-05=4, the value here will become the frequency reference.
No.
Name
Setting Range
Default
Z3-10
Cable Loss Pre-set Speed
0.0 to 60.0 Hz
0.0 Hz
n
Z3-11: Serial Communication Fault Detection Selection
Enables or disables the serial communications fault detection.
No.
Name
Setting Range
Default
Z3-11
Serial Communication Fault Detection Selection
0 or 1
1
Setting 0: Disabled
No communication error detection. Ignore setting in Z3-05.
F.3 N2 Setup Parameters
428
YASKAWA ELECTRIC SIEP YAIZ1B 01E YASKAWA AC Drive – Z1000 Bypass Technical Manual
