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LE-50PAU-SET
CHAPTER-2 WINDING DIAMETER DETECTION TYPE
SEMI-AUTOMATIC TENSION CONTROLLER
The LE-50PAU power amplifire is incorporated with an additional function that can be utilized as a winding
diameter detection type semi-automatic tension control unit by using the LE-5AP type operator panel in
combination.
This chapter describes the function of such additional function and operation procedure for LE-5AP operator
panel.
Since the function of the LE-50PAU power amplifier is utilized as it is, be sure to refer to the description given
in chapter-1 at the same time.
The open-loop type tension controller, using winding diameter detection is called "Semi-automatic type" as
compared with the closed-loop type tension controller (LE-40MTA-E, LE-40MTB-E, LE-30CTN, etc.) which
feeds back the tension detection, by using the tension detector in combination.
The winding diameter is detected in the following three ways;
[1] Speed / thickness setting method
[2] Thickness setting winding rell pulse detection method
[3] Proportion calcutation method by detection of winding reel pulse / measure pulse
The winding diameter detection to be described in this chapter is concerned with the above items [1] and
[2], and uses the most simplified method.
The unit of type name LE-50PAU-SET is made up of LE-50PAU and LE-5AP in combination.
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