YASKAWA P1000 Technical Manual page 287

No.
(Addr. Name
Hex)
Z1-40
(85ED) Auto Transfer Wait
Time
Z1-41
Hand Speed Reference
(85EE)
Selection
<3>
Z1-42
(85EF)
Bypass Device Type
<4>
Z1-50
Bypass Unbalanced
(85F7)
Current Detection
<3>
Level
Z1-51
Bypass Unbalance Trip
(85F8)
Time Detection Level
<3>
Z1-52
(85F9)
Bypass Phase Rotation Byp Phs Rotation
<3>
<1> Default is 0 in bypass controller software versions VST800297 and earlier.
<2> Values are given in Hz, but actual values are dependent upon unit settings using drive parameters o1-03, o1-09, o1-10, and o1-11.
<3> Available in bypass controller software versions VST800298 and later.
<4> Available in bypass controller software versions VST800299 and later.
YASKAWA SIEP YAIP1B 01B YASKAWA AC Drive – P1000 Bypass Technical Manual
LCD Display
If Auto Transfer is enabled and a drive fault is detected, the
Auto Xfer Wait T bypass controller will wait this length of time before switching
to bypass.
Selects the frequency reference source when in Hand Mode.
Hand Spd Ref Sel 0: Parameter Z1-09
1: Analog
Selects the type of device that is used for the bypass.
0: Contactor
1: Soft Starter
Byp Device Type
Note:
Sets the current unbalance level between phases when operating
Byp Unbal Level
in Bypass Mode.
Sets the trip time for an unbalance condition operating in Bypass
Mode.
Byp Unbal Time
Note:
Determines the action to take when Bypass Mode phase rotation
is incorrect
0: Disabled
1: Alarm
2: Fault
Description
Setting 1 is required for bypasses with the
softstarter option PW. This parameter is set to the
correct value at the factory. It should not require
adjustment.
Setting this parameter to 0.0 will disable unbalance
detection.
B.14 Z: Bypass Parameters
Values Page
Default: 0.0 s
Min.: 0.0
Max.: 300.0
Default: 0
Range: 0, 1
Default: 0
Range: 0, 1
Default: 25.0%
Min.: 5.0
Max.: 25.0
Default: 5.0 s
Min.: 0.0
Max.: 30.0
Default: 1
Range: 0 to 2
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