YASKAWA
TOEPYAIH6B01A HV600 AC Drive Narrow Bypass Installation & Startup
245
No.
(Hex.)
Name
Description
Default
(Range)
Z1-50
(85F7)
Bypass Input Phase Loss
Level
The bypass measures the current unbalance between phases to detect input phase loss.
Sets the current level between phases in Bypass Mode.
Usually it is not necessary to change this parameter.
25.0%
(5.0 - 50.0%)
Z1-51
(85F8)
Bypass Input Phase Loss
Delay
Sets the trip time for an input phase loss condition in Bypass Mode.
Note:
When you set this parameter to 0.0, it will disable bypass phase loss detection.
5.0 s
(0.0 - 30.0 s)
Z1-52
(85F9)
Input Phase Rotation
Detection
Sets bypass response when the Bypass Mode phase rotation is incorrect.
0 : Disabled
1 : Alarm
2 : Fault
0
(0 - 2)
Z1-53
(85FA)
Load Verify Detection
Enables and disables verification that the motor is running when commanded to run.
0 : Disabled
1 : Enabled
0
(0, 1)
Z1-55
(85FC)
Welded Contactor Detection
Enables and disables detection of K3
“
welded contactor
”
condition.
0 : Disabled
1 : Enabled
Note:
When
Z1-42 = 1 or 2 [Soft Starter Selection = Installed
–
Coast To Stop or Installed
–
Ramp To
Stop]
, the bypass will automatically disable welded contactor detection.
0
(0, 1)
Z1-56
(85FD)
RUN
Test Mode
Sets the behavior of the drive input contactor K1 during Bypass Mode.
0 : Drive Power Off during Bypass
1 : Drive Power On during Bypass
0
(0, 1)
Z1-60
(8601)
Blackout Operation Select
Sets bypass behavior when contactor voltage is less than
Z1-19 [Blackout Voltage Level]
.
0 : Fault
1 : Restart Delay with Speed Search
2 : Restart Delay from Zero Speed
3 : Disabled
1
(0 - 3)
Z1-61
(8602)
Power Loss Restart Delay
Time
Sets the time delay for restart.
10 s
(1 - 300 s)
Z1-70
(860B)
Green Contactor Mode
Green Contactor Mode opens the output and motor contactors when the bypass unit is idle.
0 : Disabled
1 : Enabled
0
(0, 1)
Z1-98
(8627)
Expert
Minimum Drive SW Ver
“
WARNING: If these parameters are changed, undesired operation of the bypass system could occur.
These parameters should only be changed under guidance of Yaskawa technical support (1-800-
YASKAWA).
”
01011
00000 - 65535
Z1-99
(8628)
Expert
Maximum Drive SW Ver
“
WARNING: If these parameters are changed, undesired operation of the bypass system could occur.
These parameters should only be changed under guidance of Yaskawa technical support (1-800-
YASKAWA).
”
01011
00000 - 65535
◆
Z2: Bypass Control Input/Output
No.
(Hex.)
Name
Description
Default
(Range)
Z2-01
(8563)
Digital Input 1 Function
(TB2-1)
Sets the function for bypass digital input 1.
21
(0 - 47)
Z2-02
(8564)
Digital Input 2 Function
(TB2-2)
Sets the function for bypass digital input 2.
22
(0 - 47)
Z2-03
(8565)
Digital Input 3 Function
(TB2-3)
Sets the function for bypass digital input 3.
23
(0 - 47)
Z2-04
(8566)
Digital Input 4 Function
(TB2-4)
Sets the function for bypass digital input 4.
24
(0 - 47)
Z2-05
(8567)
Digital Input 5 Function
(TB2-5)
Sets the function for bypass digital input 5.
25
(0 - 47)
Z2-06
(8568)
Digital Input 6 Function
(TB2-6)
Sets the function for bypass digital input 6.
0
(0 - 47)
Z2-07
(8569)
Digital Input 7 Function
(TB2-7)
Sets the function for bypass digital input 7.
0
(0 - 47)
