Detailed Description
2.4 Selectable spindles
Basic logic functions: Spindles (S1)
64 Function Manual, 11/2006, 6FC5397-0BP10-2BA0
2.4 Selectable spindles
Application
The "selectable spindles" function allows you to write part programs with reference to the
spindles used ("channel spindle, logical spindle") regardless of the actual assignment of
configured spindles ("physical spindles") to a channel.
The physical spindles loaded or unloaded by "axis replacement" no longer have to be
specified explicitly in the part program.
Functionality
Each spindle is clearly mapped to a machine axis through a configurable number with the
machine data:
MD35000 $MA_SPIND_ASSIGN_TO_MACHAX[AX...]
.
This number is always valid for a spindle whereby it is irrespective in which channel the
spindle is actively handled.
The channel spindles can be switched over because an intermediate level is introduced
between the logical spindle numbers used in the part program and the physical spindles
existing in the channel.
The setting data table
(SD42800 $SC_SPIND_ASSIGN_TAB[...]; Spindle number converter)
assigns each logical spindle used in the part program a physical spindle.
The spindle number converter is effective in spindle programming by means of:
• The part program
• Synchronized actions
The spindle number converter has no effect with PLC commands, which use function block
FC18. The physical spindle must always be addressed there within the context of the axis.
The logical spindles can be switched by changing the setting data:
SD42800 $SC_SPIND_ASSIGN_TAB[...]
The change can be achieved by the part program, by the PLC and/or HMI.
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