Name: PFCL201CE-50KN 3BSE027062R50 ABB Pressductor PillowBlock Load Cells
Price: 2422 CNY
Availability: InStock

Description

PFCL201CE-50KN 3BSE027062R50 ABB Pressductor PillowBlock Load Cells

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PFCL201CE-50KN 3BSE027062R50 ABB Pressductor PillowBlock Load Cells

Load Cells PFCL 201
The load cells are installed under the roll bearings, where they measure forces at right angles to the mounting surface.The reactive force from the strip, which is proportional to the strip tension, is transferred to the load cells via the roll and the bearings.The load cells are connected to the control unit via a junction box. The control unit converts the load cell signals to DC voltages that are proportional to the reaction force. Depending on which control unit is chosen, it is possible to have the analog signals for the two individual load cells (A and B), the sum of the load cell signals (A+B), and/or the difference between the load cell signals(A-B).

Principle of Measurement
The load cell only measures force in the direction FR. The measurement force may be positive or negative. The load cell is normally installed under the roll bearings. When there is a strip in tension over the roll, the tension (T) gives rise to two force components, one in the direction of measurement of the load cell (FR) and one at right angles (FV).The measuring force depends on the relationship between the tension (T) and the wrap angle formed by the strip around the measuring roll.

PFCL201CE-50KN 3BSE027062R50 ABB Pressductor PillowBlock Load Cells

The load cell is supplied with a 0.5 A, 330 Hz alternating current. The secondary signal is calibrated for the correct sensitivity with a voltage divider R1- R2, and temperature compensation is provided by thermistors T.All impedances on the secondary side are relatively low. The output impedance is typically 9-12 Ω ,which helps to suppress interference.

Horizontal Mounting
In the majority of cases horizontal mounting is the most obvious and simplest solution. Stand,
mounting surface and shims (if required) are simple and cheap to make.
When calculating the force, the equations below must be used:
FR = T × (sin α + sin β)
FRT = Tare
FRtot = FR + FRT = T × (sin α + sin β) + Tare
FV
= T × (cos β – cos α)
FVT = 0
FVtot = FV
+ FVT = T × (cos β – cos α) + 0 = T × (cos β – cos α)
where:
T = Strip tension
FR = Force component from strip tension in measurement direction, R
FRT = Force component from Tare in measurement direction, R
FRtot = Total force in measurement direction, R
FV
= Force component from strip tension in transverse direction, V
FVT = Force component from Tare in transverse direction, V
FVtot = Total force in transverse direction, V
Tare = Force due to tare weight
α = #eflectHon angle on one side of the roll relative the horizontal plane
β = #eflectHon angle on the other side of the roll relative the horizontal plane

PFCL201CE-50KN 3BSE027062R50 ABB Pressductor PillowBlock Load Cells pdf

PFCL201CE-50KN 3BSE027062R50

PFCL201CE-50KN 3BSE027062R50 ABB Pressductor PillowBlock Load Cells

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