VBUS.HALFVOLT

Description

This parameter changes operational voltage thresholds inside the drive to allow operation at lower voltage thresholds to operating with half of the normal input ac line voltage.

For information on voltage ratings and drive types see AKD Models.

When the VBUS.HALFVOLT value is changed, the revised thresholds take effect immediately.

Value Description
0 Standard voltage rating
1 Reduced voltage rating

When changing this parameter, it impacts the following voltage-thresholds:

Drive Type AKD-xzzz06

Voltage Thresholds VBUS.HALFVOLT Value
0 1
DC-bus overvoltage fault threshold (see VBUS.OVFTHRESH) 420 VDC 210 VDC
Minimum undervoltage level threshold (see VBUS.UVFTHRESH) * 90 VDC 90 VDC
Regeneration thresholds 380-400 VDC 190-200 VDC

Drive Type AKD-xzzz07

Voltage Thresholds VBUS.HALFVOLT Value
0 1
DC-bus overvoltage fault threshold (see VBUS.OVFTHRESH) 840 VDC 420 VDC
Minimum undervoltage level threshold (see VBUS.UVFTHRESH) * 380 VDC 90 VDC
Regeneration thresholds 760-800 VDC 380-400 VDC

  • The DC-bus under voltage fault threshold (see VBUS.UVFTHRESH) is a user selectable command. It means that the user is responsible for setting the under voltage threshold to a proper value in case that the AKD is supplied with a lower DC-bus voltage than the rated voltage.

The regeneration thresholds describe the voltages when the drive generates regen power. The table above provides the voltage range for drive type -06 and -07. The lower voltage level is the level at which the drive starts generating regen power, the higher voltage level is the level at which the regen power is at 100%.

The inrush-relay open / close voltage thresholds are adapted automatically in relation to the minimum undervoltage threshold.

General Information

Type

NV Parameter

Units

N/A

Range

0 to 1

Default Value

0

Data Type

Integer

See Also

N/A

Start Version

M_01-04-01-000

Variant Supported
MKD EtherCAT Yes
AKD-N Yes
MKD-N Yes
MKD-C Yes
EtherCAT CoE and CANopen
Index/Subindex Object Start Version

5261h /0

M_01-04-01-000