YASKAWA A1000 Installation Manual page 61

No.
(Addr. Name
Hex)
L8-35
Installation Method Selection
(4EC)
L8-38
Carrier Frequency Reduction
(4EF)
L8-40 Carrier Frequency Reduction
(4F1) Off Delay Time
L8-41
High Current Alarm Selection
(4F2)
L8-55 Internal Braking Transistor
(45F) Protection
L8-78 Power Unit Output Phase
(2CC) Loss Protection
<1> Default setting is dependent on parameters C6-01, Drive Duty Selection, and o2-04, Drive Model Selection.
<2> Parameter setting value is not reset to the default value when the drive is initialized.
<3> Default setting is dependent on parameters A1-02, Control Method Selection, and o2-04, Drive Model Selection.
<4> Default setting is determined by parameter A1-02, Control Method Selection.
YASKAWA ELECTRIC TOEP C710616 50B YASKAWA AC Drive - A1000 6-Phase/12-Pulse Input Installation Guide
0: IP00/Open-Chassis enclosure
1: Side-by-Side mounting
2: IP20/NEMA Type 1 enclosure
3: Finless model drive or external heatsink installation
0: Disabled
1: Enabled below 6 Hz
2: Enabled for the entire speed range
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.
0: Disabled
1: Enabled. An alarm is triggered at output currents above 150% of drive
rated current.
0: Disabled. Disable when using an optional braking unit.
1: Protection enabled.
Enables motor protection in the event of output phase loss.
0: Disabled
1: Enabled
Description
B.1 L: Protection Function
Values
Default: 3
<1> <2>
Range: 0 to 3
Default:
<3>
Range: 0 to 2
Default:
<4>
Min.: 0.00 s
Max.: 2.00 s
Default: 0
Range: 0, 1
Default: 1
Range: 0, 1
Default: 1
Range: 0, 1
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