MAGPOWR Dancer / Follower Arm Control

Need control of a dancer, follower arm or both? No problem, as MAGPOWR’s DFC-90 and DFC-A low-cost tension controls can handle either operation mode.

Dancer Mode: The DFC-90 and DFC-A are full PID closed-loop dancer controls, controlling web tension by sensing the position of the dancer arm through a DFP or DFP-2 Position Sensor and adjusting the clutch, brake or motor control torque accordingly to maintain the dancer position set point.

Follower Arm Mode: The DFC-90 and DFC-A control web tension by compensating for measured changes in the roll diameter. Roll diameter changes are measured through the DFP or DFP-2 Position Sensor and a follower arm. An optional Stop Multiplier provides additional stopping torque to help stop large unwind rolls.

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Description

Features:

  • Superior control performance at an affordable price
  • Enhanced dancer algorithm and tuning method for performance
  • Non-interactive Core and Full Roll adjustments
  • Compact enclosure requires minimal space
  • Simplicity of DIN rail mounting
  • UL and CE Approved for safety and electrical noise immunity
  • Applications:
  • DFC-90: Dancer or Follower Arm Control of a magnetic particle clutch or brake
  • DFC-A: Dancer or Follower Arm Control of a pneumatic brake, clutch or motor drive

MAGPOWR DFC-90 SPECIFICATIONS

  • Certifications CE UL 508C Listed
Input
  • Supply Voltage115 VAC +/- 10%, 50/60 Hz, 1.1 amp maximum
  • Position SensorDFP, DFP-2 or 1 kΩ to 10 kΩ potentiometer, 1/4 watt minimum
  • Tension Potentiometer10 kΩ minimum, 1/4 watt minimum
  • Output
    Current regulated -3.6 to 90 VDC.
    Adjustable in four current ranges: 1/8, 1/4 , 1/2, 1 amp
  • Position Sensor Reference Voltage10 VDC, 10 mADC maximum
  • Meter Signal0 to 1 mADC
  • Operating Temperature0 to 50˚ C
  • Storage Temperature-30 to 80˚ C
  • EnclosureIP20 (IEC529)

MAGPOWR DFC-A SPECIFICATIONS

  • CertificationsCE
    UL 508C Listed
Input
  • Supply Voltage24 VAC or 24 VDC +/- 10%, 50/60 Hz, 2.1 amp maximum
  • Position SensorDFP, DFP-2 or 1 kΩ to 10 kΩ potentiometer, 1/4 watt minimum
  • Tension Potentiometer10 kΩ minimum, 1/4 watt minimum
  • Output
    0 to 10 VDC, 1 mADC maximum or (switch selectable)
    4 to 20 mADC, 400 Ω maximum
  • Position Sensor Reference Voltage10 VDC, 10 mADC maximum
  • Meter Signal0 to 1 mADC
  • Operating Temperature0 to 50˚ C
  • Storage Temperature-30 to 80˚ C
  • EnclosureIP20 (IEC529)

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