6 – 514 HEIDENHAIN Technical Manual TNC 426, TNC 430
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7 Calculate MP2421.x:
MP2421.x = <determined value> · 0.6:
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7 Set this value and confirm it with the STORE MP2421.X soft key.
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7 With the I FACTOR / P FACTOR soft key, select the I factor.
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7 With the ↑ soft key, increase the I factor (MP2431.x) until you see one
overshoot but no undershoot.
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7 Confirm this value with the STORE MP2431.X soft key.
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7 Switch-off the machine to exit the I CONTROL mode.
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7 Press END.
MP2421 at the oscillation limit
MP2431 optimum
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