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Atlas Copco PowerMACS 4000

Atlas Copco PowerMACS 4000
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Tightening
9836 3521 01 337
Diagram:
ZCL Zero Crossing low ZC Measured Zero crossing
ZCH Zero Crossing high
A1 Start point for the torque rate calculation in the torque rate check
A2 End point for the torque rate calculation in the torque rate check
Angle
Torque
A1
Check Zero Crossing
A2
Step xStep x-1
ZCZCL ZCH
Result var.: "Zero Cr. A", "Zero Cr. A1", "Zero Cr. A2 " (measured zero crossing)
Alarms: Zero Crossing high (ZCH), Zero crossing low (ZCL)
Trace: ZCH and ZCL are shown in trace as vertical lines. The calculated line is shown as a straight
line, from the end of the step and down to the torque axis. The lines are only shown when
Torque vs. Angle is selected.

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