Unhome Function

Description

This function cancels the reference point of an axis.

The movement controller's software position limits are not effective if an axis is not referenced. Executing the Unhome function causes the software position limits to be ignored.

NOTICE

UNEXPECTED AXIS MOVEMENT

Use the end of travel (EOT) switches connected directly to the drive when the axis is not referenced.

Failure to follow these instructions can result in equipment damage.

How to Use this Function

This function is implemented with the help of the instructionWRITE_CMD.

Associated Language Objects

Implicit Exchanges:The table below presents the different language objects linked to this function.

Object	Name	Effective	Description
%Ir.m.c.6	AXIS_HOMED	-	Status bit

Exchange via WRITE_CMD:The table below presents the different language objects linked to this function.

Object	Name	Function code	Description
%MWr.m.c.26	ACTION_CMD	6038	Command
%MWr.m.c.19	ERROR_CMD	-	Error report. See WRITE_CMD Command: Programming Errors.