VBUS.HALFVOLT

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VBUS.HALFVOLT

General Information
Type	NV Parameter
Description	Changes voltage thresholds for -07 drives.
Units	N/A
Range	0 to 1
Default Value	0
Data Type	Integer
See Also	N/A
Start Version	M_01-04-01-000

FieldbusA Fieldbus is an industrial network system for real-time distributed control (e.g. CAN or Profibus). It is a way of connecting instruments in a plant design	Index/Subindex	Object Start Version
EtherCATEtherCAT is an open, high-performance Ethernet-based fieldbus system. The development goal of EtherCAT was to apply Ethernet to automation applications which require short data update times (also called cycle times) with low communication jitter (for synchronization purposes) and low hardware costs COE and CANopen	5261h/0	M_01-04-01-000

Description

This parameter is used to change voltage thresholds to allow -07 drive types to work at an -06 drive type's voltage thresholds. For information on voltage ratings and drive types see AKD Models on pg. 1.

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

VBUS.HALFVOLT only affects -07 drives.

Value	Description
0	The original voltage thresholds are used for the functions mentioned below.
1	-07 drives use voltage thresholds of -06 drives.

This parameter has an impact on the following voltage-thresholds:

DC-bus over-voltage threshold (see VBUS.OVFTHRESH on pg. 1).
The regen-resistor enable/disable voltage thresholds.
The inrush-relay enable/disable voltage thresholds.

The DC-bus under voltage fault threshold (see VBUS.UVFTHRESH on pg. 1) 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.

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