242 / | HD | WINDING, TENSIONING, OR GUIDING |
410 | DF | TENSION CONTROL OR BRAKE {3} |
412 | DF | .~ Take-up coil drive control {4} |
413 | DF | .~.~ With material condition sensor {4} |
413.3 | DF | .~.~.~ Slackness sensor (e.g., photocell or load cell) {2} |
413.4 | .~.~.~.~ With power control circuit {1} | |
413.5 | DF | .~.~.~.~.~> Electrical {1} |