B.3 Parameter Table
YASKAWA ELECTRIC SIEP C710616 30B YASKAWA AC Drive T1000A Technical Manual 403
Parameter List
B
L8-15
(4BBH)
oL2 Characteristics Selection at
Low Speeds
0: No oL2 level reduction below 6 Hz.
1: oL2 level is reduced linearly below 6 Hz. It is halved at 0 Hz.
Default: 1
Min: 0
Max: 1
231
L8-18
(4BEH)
Software Current Limit Selection
0: Disabled
1: Enabled
Default: 0
Min: 0
Max: 1
231
L8-27
(4DDH)
Overcurrent Detection Gain
Sets the gain for overcurrent detection as a percentage of the motor rated current. Overcurrent is
detected using the drive’s overcurrent level or the value set to L8-27, whichever is lower.
Default: 300.0%
Min: 0.0%
Max: 300.0%
232
L8-29
(4DFH)
Current Unbalance Detection
(LF2)
0: Disabled
1: Enabled
Default: 1
Min: 0
Max: 1
232
L8-32
(4E2H)
Main Contactor and Cooling Fan
Power Supply Failure Selection
Determines the action the drive should take when a fault occurs with the internal cooling fan.
0: Ramp to stop
1: Coast to stop
2: Fast Stop (decelerate to stop using the deceleration time in C1-09)
3: Alarm only ("FAn " will flash)
Default: 1
Min.: 0
Max.: 3
232
L8-35
(4ECH)
Installation Method Selection
0: IP20 enclosure
1: Side-by-Side mounting
2: NEMA Type 1
3: Finless model or external heatsink installation
Default:
<9> <16>
Min: 0
Max: 3
232
L8-38
(4EFH)
Carrier Frequency Reduction
Selection
0: Disabled
1: Enabled below 6 Hz
2: Enabled for the entire speed range
Default:
<27>
Min: 0
Max: 2
233
L8-40
(4F1H)
Carrier Frequency Reduction Off
Delay Time
Sets the time that the drive continues running with reduced carrier frequency after the carrier
reduction condition is gone. Setting 0.00 s disables the carrier frequency reduction time.
Default:
<34>
Min: 0.00 s
Max: 2.00 s
233
L8-41
(4F2H)
High Current Alarm Selection
0: Disabled
1: Enabled. An alarm is triggered at output currents above 150% of the drives rated current.
Default: 0
Min: 0
Max: 1
233
L8-46
(4FAH)
AVR Function Selection
0: Disabled
1: Enabled
Default: 1
Min: 0
Max: 1
234
L8-55
(45FH)
Internal Braking Transistor
Protection
0: Disabled. L8-55 should be disabled when using a regen converter or an optional braking unit.
1: Protection enabled.
Default: 1
Min: 0
Max: 1
234
L8-93
(73CH)
Pull-Out Detection Time at Low
Speed
Sets the amount of time until baseblock is executed once pull-out has been detected at low
speed. A setting of 0.0 s essentially disables this parameters.
Default: 1.0 s
Min: 0.0 s
Max: 10.0 s
234
L8-94
(73DH)
Pull-Out Detection Level at Low
Speed
Determines the detection level of pull-out at low speed. Set as a percentage of the maximum
frequency.
Default: 3%
Min: 0%
Max: 10%
234
L8-95
(77FH)
Average Pull-Out Frequency at
Low Speed
Sets the average number of times pull-out can occur at low speed.
Default: 10 Times
Min: 1 Time
Max: 50 Times
234
<9> Default setting value varies by the drive model (o2-04).
<16> Parameter setting value is not reset to the default value when the drive is initialized.
<24> Default setting is determined by the drive model (o2-04) and duty selection (C6-01).
<27> Default setting is determined by the control mode (A1-02) and the drive model (o2-04).
<34> Default setting is determined by the control mode (A1-02).
No. (Addr.) Name Description Setting Page
All Modes
OLV/PM AOLV/PM
CLV
V/f w/PG
CLV/PM
V/f OLV
OLV/PM AOLV/PM
CLV
V/f w/PG
CLV/PM
V/f OLV
OLV/PM AOLV/PM
CLV
V/f w/PG
CLV/PM
V/f OLV
All Modes
common_
TMonly
All Modes
OLV/PM AOLV/PM
CLV
V/f w/PG
CLV/PM
V/f OLV
OLV/PM AOLV/PM
CLV
V/f w/PG
CLV/PM
V/f OLV
All Modes
All Modes
All Modes
OLV/PM AOLV/PM
CLV
V/f w/PG
CLV/PM
V/f OLV
OLV/PM AOLV/PM
CLV
V/f w/PG
CLV/PM
V/f OLV
OLV/PM AOLV/PM
CLV
V/f w/PG
CLV/PM
V/f OLV
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