Siemens SINUMERIK 840D sl Function Manual page 496

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Mode Groups, Channels, Axis Replacement (K5)

Axis/spindle replacement

Current state and interpolation right of the axis

With which axis type and interpolation right a possible axis replacement is to be performed,

can be deducted from the system variable $AA_AXCHANGE_TYP[axis].

0: The axis is assigned to the NC program

1: Axis assigned to PLC or active as command axis or oscillating axis

2: Another channel has the interpolation right.

3: Axis is neutral axis.

4: Neutral axis is controlled by the PLC.

5: Another channel has the interpolation right, axis is requested for NC program.

6: Another channel has the interpolation right, axis is requested as neutral axis.

7: Axis active for PLC or as command or oscillating axis, axis is

requested for PLC program.

8: Axis active for PLC or as command or oscillating axis, axis is

requested as neutral axis.

9: Permanently assigned PLC axis, in state of neutral axis.

10: Permanently assigned PLC axis, controlled by PLC, in state of neutral axis.

Permanently assigned PLC axis

in state of neutral axis $AA_AXCHANGE_TYP = 9 and

controlled by PLC, in state of neutral axis $AA_AXCHANGE_TYP = 10

will be assigned to PLC independently of GET and RELEASE permanently.

Whether the axis can also be replaced is displayed via the system variable

$AA_AXCHANGE_STAT[axis].

Function Manual, 03/2009, 6FC5397-1BP10-4BA0

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Sinumerik 840de sl