1178 HEIDENHAIN Technical Manual MANUALplus 620
Nominal status
of the axes
(Plc Nom State)
The nominal status of the axes is requested by the PLC.
To select the PLC Nom State function:
Press the Login Ipo soft key.
Press the Axes soft key.
Press the Plc Nom state soft key.
The function displays the status of the following binary variables (the
descriptions refer to the status "true"):
Variable Display
RefSwitch Trip dog
ActualToNom Transfer the current values as nominal values.
ClampRequest Request for clamping this axis.
PosCtrlRequest Request for position feedback control for this axis
NoMonitoring No monitoring of following error or standstill
NoFeedhold Feed rate stop is not set
DriveOnReq Request to switch the drive on
ActToNomStrb Not used
CurrentOff Switch off the current for wye/delta connection
SpiChangeDir Change the direction of spindle rotation
ResetRefOk Reset the Ref OK flag when changing from 0 to 1
NoPosDiffCheck Suppress the position difference check
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