Yaskawa AC Drive Z1000 Bypass Technical Manual User Manual
Page 345
No.
(Addr.
Hex)
Name
LCD Display
Description
Values
Page
Z1-23
(85DC)
Energy Savings Mode
Frequency Reference
Increase
Energy Fref Incr
Sets the value to add to the drive Frequency Reference when
starting the transfer to bypass mode the drive when entering the
Energy Savings Mode.
Default: 6.0 Hz
<2>
Min.: 0.0
Max.: 10.0
Z1-24
(85DD) Contactor Open Delay
Time
Kx Open Delay
Sets the time to delay after commanding the drive output
contactor K2 or bypass contactor K3 or 2-Motor OR/AND
contactors K4 and K5 to open to allow the contacts to open.
Default: 0.2 s
Min.: 0.0
Max.: 5.0
Z1-25
(85DE) Contactor Close Delay
Time
Kx Close Delay
Sets the time to delay after commanding the drive output
contactor K2 or bypass contactor K3 or 2-Motor OR/AND
contactors K4 and K5 to close to allow the contacts to close.
Default: 0.2 s
Min.: 0.0
Max.: 5.0
Z1-27
(08E0) Phase Loss Brownout
Voltage Level
PL Brownout V
Sets the voltage level below which is considered a brownout
condition.
Default: 98 V
Min.: 0
Max.: 150
Z1-28
(85E1)
Phase Loss Brownout
Detection Time
PL Brownout T
PL Brownout T
Sets the time that the input voltage is continuously measured to
be below the Brownout Voltage level before declaring a
Brownout fault.
Default: 3.0 s
Min.: 0.0
Max.: 300.0
Z1-29
(85E2) Phase Loss Blackout
Voltage Level
PL Blackout V
Sets the voltage level below which is considered a blackout
condition. When the input voltage is measured below this level,
a Blackout fault will be declared.
Default: 0 V
Min.: 0
Max.: 150
Z1-30
(85E3) EF0 Fault Delay Time EF0 Flt Delay T
Sets the time between declaring a drive fault and opening the
drive and bypass contactors.
Default: 1.0 s
Min.: 0.0
Max.: 300.0
Z1-31
(85E4) Loss of Load Detection
Enable
Loss of Load En
0: Disable
1: Enable Fault
2: Enable Alarm
0: Disable
1: Enable and declare fault.
2: Enable and alarm only
Default: 0
Range: 0 to 2
Z1-32
(85E5) Loss of Load Drive
Frequency
Load Drive Freq
Sets the value to which the drive output frequency must be equal
to or greater than for the drive to detect a loss of load.
Default: 60.0
Hz
<2>
Min.: 0.0
Max.: 60.0
Z1-33
(85E6) Loss of Load Drive
Output Current
Load Drive Curr
The drive output current must be equal to or less than this value
to detect a loss of load.
Default: 0.0 A
Min.: 0.0
Max.: 999.9
Z1-34
(85E7) Loss of Load Drive
Time
Load Drive Time
The conditions must be met for the length of time entered here
before detecting a loss of load while in Drive mode.
Default: 1.0 s
Min.: 0.0
Max.: 300.0
Z1-35
(85E8) Loss of Load Bypass
Output Current
Load Byp Cur
The motor current must be equal to or less than this value to detect
a loss of load.
Default: 0.0 A
Min.: 0.0
Max.: 999.9
Z1-36
(85E9) Loss of Load Bypass
Time
Load Byp Time
The conditions must be met for the length of time entered to this
parameter before detecting a loss of load while in Bypass mode.
Default: 1.0 s
Min.: 0.0
Max.: 300.0
Z1-37
(85EA) Set Time
Set Time
0: Normal display
1: Time Setting
2: Reset Time
Changes the LCD display to time setting to set the Real Time
Clock.
0: Normal display
1: Displays time and date setting mode
2: Reset time
<3>
Default: 0
Range: 0 to 2
Z1-38
(85EB) HOA Source Select
HOA Select
0: Operator
1: Digital Inputs
2: Ser Comm & Opt
0: Operator
1: Digital Inputs
2: Serial Communications
Default: 0
Range: 0 to 2
Z1-39
(85EC) Drive/Bypass Source
Select
Drv/Byp Select
0: Operator
1: Digital Inputs
2: Ser Comm & Opt
0: Operator
1: Digital Inputs
2: Serial Communications
Default: 0
Range: 0 to 2
B.14 Z: Bypass Parameters
YASKAWA ELECTRIC SIEP YAIZ1B 01D YASKAWA AC Drive – Z1000 Bypass Technical Manual
345
B
Parameter List