Siemens SINUMERIK 840D sl Programming Manual page 133

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Example: procedure for multi-channel controls

CHANDATA (channel number) for multiple channels is permitted only in the

N_INITIAL_INI file.

N_INITIAL_INI is the installation file with which all data of the control is initialized.

%_N_INITIAL_INI

;Channel 1 machine axis assignment

$MC_AXCONF_MACHAX_USED[0]=1

$MC_AXCONF_MACHAX_USED[1]=2

$MC_AXCONF_MACHAX_USED[2]=3

;Machine axis assignment channel 2

$MC_AXCONF_MACHAX_USED[0]=4

$MC_AXCONF_MACHAX_USED[1]=5

;Axial machine data

;Exact stop window coarse:

$MA_STOP_LIMIT_COARSE[AX1]=0.2 ;Axis 1

$MA_STOP_LIMIT_COARSE[AX2]=0.2 ;Axis 2

;Exact stop window fine:

$MA_STOP_LIMIT_FINE[AX1]=0.01 ;axis 1

$MA_STOP_LIMIT_FINE[AX1]=0.01 ;axis 2

CHANDATA statement

In the parts program, the CHANDATA statement may only be used for the channel on which

the NC program is running, i.e. the statement can be used to protect NC programs from

being executed accidentally on a different channel.

Program processing is aborted if an error occurs.

INI files in job lists do not contain any CHANDATA statements.

Saving the initialization programs

The files in the working memory can be saved on an external PC and read in again from

• The files are saved with COMPLETE.

• INITIAL is used to create an INI file over all areas: _N_INITIAL_INI.

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Programming Manual, 03/2006 Edition, 6FC5398-2BP10-1BA0

File and Program Management

3.2 Working memory