Control unit of external spindle command

External spindle command

Description

External spindle command. Commands, e.g. spindle stop or spindle positioning, can be issued to the spindle by this control unit over the HLI interface. Enter the other parameters of the command sent to the spindle in the structure HLI_EXT_TO_IPO_DATA.

Data type

MC_CONTROL_EXT_TO_IPO

Commanded values

ST path

gpAx[axis_idx]^.ipo_mc_control.ext_to_ipo.command_w

Signal flow

PLC → CNC

Data type

HLI_EXT_TO_IPO_DATA

Access

PLC writes

Flow control commanded data

ST path

gpAx[axis_idx]^.ipo_mc_control.ext_to_ipo.command_semaphor_rw

Signal flow

PLC → CNC

Data type

BOOL

Value range

[TRUE = Data is valid, FALSE = Data was accepted]

Special features

Consumption data item

Access

CNC accepts the commanded values when this element has the value TRUE. After acceptance, the CNC sets this value to FALSE.

The PLC sets this element to TRUE when the commanded values are released for acceptance by the CNC. The commanded values can only be updated by the PLC if this element has the value FALSE.