Tightening
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6.5.2.5 TC - Run until Torque with Current Control
Step type Id:
3
Parameters
: T (Torque), DIR (Direction).
Function
:
Run spindle, in DIR direction, until torque is T using current control.
The target torque T is converted to a corresponding motor current using the spindle
parameters
T/C Factor, T/C Correction Factor
and
Gear ratio
. This current is then set as
reference to the motor servo. The step is stopped when the servo reaches its set point.
Diagram
:
Angle
Torque
T
Target Torque
T
Step
Trace
:
Torque T is shown as a horizontal line from step start to step stop in trace when Torque vs.
Time is selected. Control parameters must be enabled in the trace form (see
Summary of Contents for PowerMACS 4000
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Page 46: ...System Architecture 46 9836 3521 01...
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Page 486: ...Peripheral Devices 486 9836 3521 01...
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