S1: Spindles
16.4 Configurable gear adaptation
Basic Functions
1316 Function Manual, 09/2011, 6FC5397-0BP40-2BA0
DB31, ... DBX17.4/5 (Resynchronize on positioning MS 1/2)
is set, the positioning action is extended by the time it takes to find the zero mark.
• After reaching the gear stage change position configured in machine data:
MD35012$MA_GEAR_STEP_CHANGE_POSITION
the machine waits for the time in machine data:
MD35310 $MA_SPIND_POSIT_DELAY_TIME
before switching to oscillation mode,
and the known gear stage change dialog starts.
• Output of VDI interface signals:
DB31, ... DBX84.6 (Oscillation mode)
DB31, ... DBX82.3 (Change gear)
DB31, ... DBX82.0-82.2 (Set gear stage A to C).
• Position control is not disabled when an active measuring system with indirect encoder (motor encoder) is
used:
MD31040 $MA_ENC_IS_DIRECT = 0
If a measuring system with a direct encoder (load encoder) is active, position control is deactivated:
DB31, ... DBX61.5 = 0,
because the induction flux to the load is interrupted and closed-loop position control is no longer possible.
• If positioncontrolled operation is not possible, it can be disabled by
resetting "Controller enable":
DB31, ... DBX2.1 = 0
.
• Mechanical switchover of the gear stage on the machine.
No oscillation motion is required from the drive.
NC/PLC IS:
DB31, ... DBX18.5 (Oscillation enable)
and
DB31, ... DBX18.4 (Oscillation via PLC)
should not be set.
In principle, oscillation movement is still possible at this point.
• Writing of NC/PLC IS:
DB31, ... DBX16.0-16.2 (Actual gear stage A to C)
by the PLC.
• After signal:
DB31, ... DBX16.3 (gear stage changed),
the last movement to be active is continued, if available.
For indirect encoders (motor encoders), the homing status is cleared:
DB31, ... DBX60.4/5 = 0.
The spindle is in speed control mode and NC/PLC IS:
DB31, ... DBX84.7 (Openloop control mode)
is output.
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