• FMF KTC828A automatic web tension controller powered on with LCD monitor and tension display
  • FMF KTC828A automatic web tension controller front panel with two mounting brackets
  • Front view of the FMF KTC828A automatic web tension controller with LCD and adjustment knob
  • Angled front and side view of the FMF KTC828A automatic web tension controller enclosure
  • KTC-828AC automatic tension controller side label showing 100-264V AC input and 24V/4A output
  • Open FMF KTC828A web tension controller showing internal circuit boards, wiring, and terminal blocks
  • Close-up of the FMF KTC828A controller circuit board, wiring, DIP switches, and screw terminals
  • KTC828A automatic tension controller kit with two tension sensors
1 8

FMF

FMF KTC828A Automatic Web Tension Controller for Magnetic Powder Brake/Clutch, 24V/4A, RS485 Modbus

$214.00 USD
$214.00 USD
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Product Overview

The FMF KTC828A is a full automatic web tension controller for closed-loop tension control systems. It processes feedback from compatible tension sensors and regulates a magnetic powder brake, magnetic powder clutch, inverter, servo, or other compatible actuator to maintain material tension during winding and unwinding.

Key Features

  • 32-bit high-speed CPU with a graphic LCD and Chinese/English display.
  • Adaptive PI control for fast, stable tension regulation.
  • Automatic and manual control modes with dual-station switching.
  • Acceleration and deceleration compensation.
  • Two 24 V / 4 A main outputs and two 0-10 V auxiliary outputs.
  • RS485 communication with Modbus protocol support for compatible PLC or HMI integration.
  • Password protection helps prevent unintended parameter changes.

Technical Specifications

Model KTC828A
Controller type Full automatic web tension controller
Tension Sensor Input ±30 mV / ±300 mV selectable, adjustable according to the connected tension sensor.
Diameter calculation Internal calculation
Measurement conversion 16-bit A/D converter, ±1 LSB
Sampling period 50 ms
Control algorithm PI (proportional-integral) control
Main output Two 24 V / 4 A outputs for compatible magnetic powder brakes or clutches
Auxiliary output Two 0-10 V outputs for compatible inverters, servos, or electro-pneumatic converters
Alarm output Normally open relay
Communication RS485 with Modbus protocol support
Dimensions 246(W) × 154(H) × 156.5(D) mm
Power supply 100-264 VAC, 50/60 Hz

Package Options

Controller Only 1 × KTC828A automatic tension controller
Controller + 2 Tension Sensors 1 × KTC828A automatic tension controller and 2 × tension sensors

Select the required package before adding the product to your cart.

Applications

The KTC828A is designed for web-tension control on compatible printing, packaging, papermaking, wire and cable, rubber and plastic, battery, textile, and dyeing equipment.

Sensor Capacity Options for the Controller Kit

If you select the Controller + 2 Tension Sensors package, the following sensor capacities are available at the same price. After placing your order, please tell us which capacity you need.

Sensor Capacity Approximate Force
30 kg ≈ 294 N
50 kg ≈ 490 N
100 kg ≈ 981 N
200 kg ≈ 1,961 N

FAQ

Can the KTC828A directly drive a magnetic powder brake or clutch?

Yes. It provides two 24 V / 4 A main outputs for compatible magnetic powder brakes or clutches.

Does it provide an analog control output?

Yes. Two 0-10 V auxiliary outputs are available for compatible inverters, servos, or electro-pneumatic converters.

What should be confirmed before ordering?

Confirm the tension-sensor signal, required actuator output, brake or clutch current, installation dimensions, and wiring plan.

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