WebHandler 3™ Digital Tension Controller
A digital tension controller that combines automated closed-loop process tension control with an easy-to-use touch-pad interface.
The compact WebHandler 3™ Digital Tension Controller combines automated closed-loop process tension control with an easy-to-use touch-pad interface. The WebHandler 3™ maintains a pre-selected tension set point on a web machine or press by measuring web tension from a tension transducer, then sending a compensating signal to a tensioning device such as a pneumatic brake, clutch or a DC drive. This closed-loop capability improves process consistency and productivity.
The large, two-line backlit LCD display reads out menu items, controller status and input prompts for use during setup and operating adjustment. Features include touch-pad setup and calibration, job setup storage and recall, and LCD scroll-through of an array of simple-to-activate functions including push-button re-zero.
The controller features soft start and bumpless auto/manual switching. It also automatically compensates for speed changes, roll diameter changes and other factors to maintain desired tension. Ten different measurement units are available for expressing a tension reading on the digital display. Operation of the WebHandler 3™ requires no special skills or training.
The controller may be used in unwind, rewind or intermediate tension zones. A variety of controller output modes are available for operating pneumatic or electric brakes and clutches, eddy current clutches, and DC or AC drives.
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