YASKAWA HV600 Technical Reference page 437

■
Z1-36: Loss of Load Bypass Det Time
No.
Name
(Hex.)
Z1-36 Loss of Load Bypass Det
Time
(85E9)
■
Z1-39: Drive/Bypass Source Select
No.
Name
(Hex.)
Z1-39 Drive/Bypass Source Select
(85EC)
0 : Keypad
The HOA keypad selects the Drive or Bypass as the source.
Drive/Bypass hotkeys work. Z2-0x = 33 Drive/Bypass is disabled.
1 : Digital Input
Z2-xx parameters select the Drive or Bypass as the source.
The Drive/Bypass hotkeys are disabled. Z2-0x = 33 Drive/Bypass works.
2 : Serial Communications
The serial communications protocol selected in H5-08 selects the Drive or Bypass as the source.
The hotkey and DI are disabled, Drive/Bypass by register 8400, bit 12 only (via BACNet, Modbus, P1, N2).
3 : Option PCB
The hotkey and DI are disabled, Drive/Bypass by register 8400, bit 12 only (via Option PCB).
■
Z1-40: Auto Transfer Delay Time
No.
Name
(Hex.)
Z1-40 Auto Transfer Delay Time
(85ED)
■
Z1-42: Soft Starter Selection
No.
Name
(Hex.)
Z1-42 Soft Starter Selection
(85EF)
Note:
When [Z1-42 = 1 or 2] to enable the soft starter, the bypass automatically disables welded contactor detection. Parameter Z1-55 [Welded
Contactor Detection] does will not have an effect.
0 : Not Installed – Contactor Only
Turns off the cabinet fans (if equipped) when in Bypass Mode.
1 : Installed – Coast To Stop
Cabinet fans (if equipped) will run in both Drive and Bypass Modes.
2 : Installed – Ramp To Stop
Allows "Soft Start" and "Soft Stop" operation when the unit has a soft-starter. Additional wiring and configuration is
necessary for the soft-starter.
This setting disables Energy Savings Mode.
YASKAWA SIEPYAIH6B01A HV600 AC Drive Bypass Technical Reference
The motor current must be equal to or less than this value to detect a loss of load.
Sets the function to select the Drive or the Bypass as the source of Drive/Bypass Mode selection.
When you enable Auto Transfer and the bypass detects a drive fault, the bypass controller will wait
for the length of time set in this parameter before it switches to bypass.
Selects the soft starter device type when you use it with a bypass.
Description
Description
Description
Description
5.14 Z: Bypass Parameters
Default
(Range)
1.0 s
(0.0 - 300.0 s)
Default
(Range)
0
(0 - 3)
Default
(Range)
0.0 s
(0.0 - 300.0 s)
Default
(Range)
0
(0 - 2)
5
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