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Description
3.1
Introduction
Milltronics MUS Belt Scale
Milltronics MUS is a modular, medium to heavy-duty belt conveyor scale providing dynamic
weighing information for process indication. The MUS includes a left and a right weigh module,
with one load cell each.
The addition of an idler (supplied and installed by the customer) to the weigh module completes
the weighing assembly. The MUS load cells provide an electronic signal, proportional to load,
which is fed to the Siemens integrator. Thus, weighing is accomplished without interrupting the
process and without affecting the process material.
3.2
Principle of operation
Belt scales work with an existing belt conveyor and the selected Siemens integrator. As material
moving along the conveyor belt travels over the belt scale, it exerts a force proportional to the
material load through the suspended idler to the load cells.
The belt scale reacts only to the vertical component of the applied force. The resulting
movement in each load cell is sensed by its strain gauges. When the strain gauges are excited
by voltage from the electronic integrator, they produce an electrical signal proportional to weight,
which is then returned to the integrator. The vertical movement of the load cells is limited by the
positive overload stop incorporated into the design of the belt scale.
Milltronics MUS
Operating Instructions, 06/2012, 7ML19985CQ02-02
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