Command Getiberr :

This command returns last gpib device error code (lib gpib iberr).
Throws DevFailed on error.

Getiberr Definition
Input Argument	Tango::DEV_VOID	no argin
Output Argument	Tango::DEV_LONG	no argout
DisplayLevel	EXPERT	..
Inherited	false	..
Abstract	false	..
Polling Period	Not polled	..
Command NOT allowed for	MOVING FAULT	..