Simple,
affordable closed loop follower arm/dancer control is right here.
The FAD is a low cost printed circuit board designed for Follower Arm
and Dancer control applications when using components such as a MAGPOWR
DFP position sensor and a MAGPOWR magnetic particle clutch or
brake. Simple potentiometer adjustments are available for dancer
Position, Gain and Stability; and for follower arm Core, Full Roll and
Stop Multiplier. This unit also includes reverse current circuitry as a
standard feature, thus allowing greater controllability in the lowest
torque range of the clutch or brake being operated.
The FAD Follower Arm/Dancer control accurately controls web tension by compensating for measured changes in roll diameter.In
dancer applications when used with the MAGPOWR DFP position sensor and
a MAGPOWR magnetic particle clutch or brake, the FAD provides closed
loop tension control, maintaining the proper tension in response to
dancer roll movement.
Key Features:
Can be used as a Dancer or Follower Arm control with a magnetic particle clutch or brake
Non-interactive full roll and core adjustments for easy set up
90 VDC output in three selectable current ranges
Follower Arm control accepts a remote tension level pot
Stop Multiplier for inertia compensation in Follower Arm applications
Dancer control accepts a remote position pot
Remote dancer position pot (Dancer mode) are provided
Includes terminal strip connections for a remote tension pot (Follower Arm model)
Specifications:
External Tension Adjust Pot: 10 kohm
Remote Position Pot:
10 kohm
TemperatureRange: 0 to 40 degrees Celsius operating -30 to 65 degrees Celsius storage