MC_ReadAxisError (FB)¶

FUNCTION_BLOCK MC_ReadAxisError

This function block reads general axis errors reported by the drive. Additionally it returns information about the software limit switches.

It does not return:

• Errors detected by AXIS_REF_SM3 such as software position lag errors. These errors can be checked with MC_ReadStatus, output ErrorStop.

• Errors related to specific function blocks. These are reported by the Error/ErrorID outputs of the respective function block.

InOut:

Scope	Name	Type	Comment
Inout	Axis	AXIS_REF_SM3	Reference to the axis
Input	Enable	BOOL	While TRUE, the output value updates the parameter value continuously.
Output	Valid	BOOL	TRUE: Valid outputs are available.
	Busy	BOOL	TRUE: Execution of the function block has not finished yet.
	Error	BOOL	TRUE: An error has occurred within the function block.
	ErrorID	SMC_ERROR	Error identification
	AxisError	BOOL	TRUE: An axis error has occured. This is the value of parameter 1030.
	AxisErrorID	DWORD	Drive specific identification of the axis error. This is the value of parameter 1031.
	SWEndSwitchActive	BOOL	TRUE: Software limits are exceeded. Only TRUE while the axis is in state errorstop. Reset as soon as the limit switch error has been acknowledged using MC_Reset.