Cleveland Motion Controls Classic Series DIN Rail Amplifier with Isolated Output MWI-13467 REV CA - Manual (Page 24)

C LASSIC S ERIES A MPLIFIER W / I SOLATED O UTPUTS MAN-13467 REV CA
Page 24 of 30
3.7 P ROPER P RACTICES FOR A PPLYING C ALIBRATION F ORCES
Seldom is a transducer oriented such that the calibration can be done by simply hanging a true dead weight from the
roll. By generating a tension force that follows the same web path across the roll, you avoid the necessity of making
manual (numerical) calculations to correct for the details of different wrap angle, transducer orientation, etc.
The following diagrams show you the correct and incorrect techniques to use when applying calibration forces.