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Tension Controller Functionality Chart

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Montalvo engineers a variety of Tension Controllers to meet the requirements of any application. If you are not sure which Controller might be best for you, please refer to the chart below.

Models S4 U4 Z4-UL, NL, RL Z4-UI Z4-UD
Application/Use
Unwind Yes Yes Yes Yes Yes
Intermediate/Nip Yes
Rewind Yes Yes Yes
Differential Rewind Yes
Feedback Type
Load Cells Yes Yes
Dancer Yes Yes
Open Loop/Diameter Sensor Open Loop Sensors Include: Proximity Sensor, Ultra Sonic Sensor, Dancer Position Sensor, Laser, or Potentiometer Yes
Interface
Keypad Yes Yes
Features
Soft Start Eliminates shocks to the web on start-up Yes Yes Yes Yes Yes
Anti-Coast Prevents web tension from dropping on stop Yes Yes Yes Yes Yes
Splice Maintains tension on material during splice for more successful splices Yes Yes Yes Yes Yes
Taper Gradually reduces the tension on your material as the roll builds to eliminate telescoping, crushed cores & starred ends Yes Yes Yes
Inertia Compensation Minimizes tension variations on rewind during start or stop Yes Yes
Web Break Detection Stops machine should a break occur to reduce waste and productivity loss Yes Yes Yes Yes
Remote Setpoint Remotely input or adjust tension setpoint Yes Yes Yes Yes
Remotely Control Tension On/Off Yes Yes Yes Yes
Progressive Gain Ensures uniform control regardless of roll diameter Yes Yes Yes Yes
Multi Cal Save up to 11 different calibration routines to allow for different wrap angles and/or a wide span of Tension ranges Yes
Application Memory Storage Store multiple tension control parameters for immediate recall when running a variety of materials Yes Yes
Diameter Alarms Set alarms to go off when the roll of material reaches a certain Hi or Low limit Yes
Trim Adjust Automatically increase or decrease the amount of output to your torque device to maintain required tension Yes Yes Yes Yes
Variable Wrap Eliminates the need to isolate the tension sensing roll and allows for roll contact to be made to only one side of your web Yes Yes
Range Expansion Eliminates the difficulty in matching torque, tension, and stopping requirements of larger rolls to ensure maximum productivity Yes Yes Yes
Dual Calibration Calibrate the same load cell(s) with TWO DIFFERENT RANGES. Ideal for driven applications where the tension ranges are very high. Yes Yes