Detailed Description
2.1 Spindle modes
Spindles (S1)
2-22 Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
Prerequisites
• The same spindle motor is used for spindle mode and axis mode.
• The same position measurement system or separate position measurement systems can
be used for spindle mode and axis mode.
• A position actual-value encoder is a mandatory requirement for axis mode.
• If the axis is not synchronized, e.g., M70 is programmed after POWER ON, the axis must
first be homed with G74. Only then does the mechanical position match the programmed
one.
Example:
M70
G74 C1=0 Z100
G0 C180 X50
M function output
The M function, which switches the spindle to axis mode, can be configured in machine data:
MD20094 $MC_SPIND_RIGID_TAPPING_M_NR.
The value on delivery is 70.
Functionality
If the axis mode is active and the rotary axis homed, all axis functions can be used.
References:
/FB2/ Description of Functions, Expansion Functions; Rotary axes (R2)
The most important functions are:
• Programming with axis name
• Use of zero offsets (G54, G55, TRANS, etc.)
• G90, G91, IC, AC, DC, ACP, ACN
• Use of kinematic transformations (e.g., transmit)
• Interpolation with other axes (path interpolation)
• Programming as a positioning axis
Special points to be noted
• The feed override switch is active.
• NC/PLC IS:
DB21, ... DBX7.7 (Reset)
does not terminate axis mode as standard.
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