Yaskawa AC Drive P1000 Bypass Technical Manual - Manual (Page 360)

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 G.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.
Setting 1: Enabled
If the bypass does not receive data from the master for longer than the time set to Z3-06, then a FB14 Serial Communicaions
fault will be triggered and the bypass will operate as determined by parameter Z3-05.
G.3 N2 Setup Parameters
360 YASKAWA SIEP YAIP1B 01A YASKAWA AC Drive – P1000 Bypass Technical Manual