Changing The Milling Heads - HEIDENHAIN iTNC 530 HSCI Technical Manual

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6.5.4 Changing the milling heads

In order to change the milling heads, some machine parameter values must

be defined along with the tilting axis geometry (e.g. in the assignment table

via the SUBFILE1 or SUBFILE2 entries). For this purpose a machine-parameter

subfile can be entered in the MPFILE column. The machine parameter subfile

contains the new axis configuration, the new axis motors, the assignments of

the PWM outputs and the encoder inputs, etc. In this machine-parameter

subfile there must be no machine parameters that provoke a control reset:

In the standard machine parameter file, the bits in MP10 need to be set to

1 for all possible axes.

If an axis deactivated in the standard machine-parameter file becomes

activated in the machine-parameter subfile, the axis remains deactivated.

Switch off drives for the affected axes.

Choose a row in the assignment table in which a machine-parameter subfile

is activated which sets the bits in MP10 to 0 for the affected axes.

If the encoder of a digital axis needs to be disconnected, then the

appropriate bit must also be set in MP20.x bit x = 0.

The motor or the encoder must be defined in MP2200.x of the standard

machine parameter file. This entry is retained even if the axis is deactivated.

Encoders with EnDat interface can be disconnected and reconnected to the

CC 6xxx during operation. It is not necessary to reboot the control.

Change the milling head.

Choose a row in the assignment table which contains a machine-parameter

subfile for the new axes to set the bits in MP10 to 1 for the new axes.

If an encoder on a digital axis was disconnected and reconnected, then

MP20.x must be entered again correctly.

Switch on drive for the new axis/axes.

After the drive has been switched on, the affected motors should make at

least one revolution.

6.5 Tilting and swivel axes