VBUS.THREEPHASE

Description

This parameter indicates whether the AC line input is single or three phase, and whether phase loss detection is active.

Setting this parameter to 1/0 can enable/disable “phase loss” detection but it will not disable “power loss” detection.

“Power loss” condition is the condition where there is a sudden drop in the AC mains voltage. If this condition occurs, Fault 2014: AC input phase loss gets detected, inrush relay is opened, and the user must wait until VBUS.VALUE drops below VBUS.INRUSHOFF to clear the fault.

This mechanism is designed to protect the drive and fuse against potential damages due to sudden drops in the AC mains voltage.

Examples

Usage

If the parameter is set to 0, the drive assumes that the AC line input is single phase, and phase loss detection is turned off.

If the parameter is set to 1, the drive assumes that the AC line input is three phase, and phase loss detection is turned on. If the drive detects a phase loss condition and an axis is enabled, it throws Fault 2014: AC input phase loss on each axis.

Code

--> VBUS.THREEPHASE 1
--> DRV.FAULTS
1-2014: AC input phase loss.
2-2014: AC input phase loss.


--> VBUS.THREEPHASE 0
--> DRV.FAULTS
No faults active

Context

For more information on DC bus protection, refer to Power View and Regeneration.

Versions

Action	Version	Notes
Implemented	02-00-00-000

General Information

Type	Read/Write
Units	N/A
Range	0 (single phase) to 1 (three phase)
Default Value	1 (three phase)
Data Type	Integer
See Also	VBUS.VALUE
Stored in Non-Volatile Memory	Yes

Variants Supported

All variants are supported.

Fieldbus Information

EtherCAT ***EtherCAT 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
Command	Index	SubIndex	Data Type	Units	Float Scale	Access	PDO PDO is a type of protocol frame used in some fieldbuses. A PDO contains one or more object dictionary entries, which define the application data transferred between devices. Mappable
VBUS.THREEPHASE	300ah	09h	Unsigned8	-	-	Read/Write	No

EtherNet/IP
Name	ID	Hex	Data Type	Access	Units
VBUS.THREEPHASE	2509	9CD	Unsigned8	Read/Write	-

PROFINET
Parameter	PNU	Data Type	Access	Units
VBUS.THREEPHASE	2509	Unsigned8	Read/Write	-