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Press the set key. The display will blink and adjust the internal offset to read 0 kg or Newtons. Step 2: Span Calibration (Known Weight)
Connect to a dedicated ground (Class D grounding, resistance
Analog output (DC 0 to 10V) for inverter drives or servo amplifiers.
If the tension is oscillating (bouncing up and down) or reacting too slowly, you need to adjust the PID parameters.
If the tension hunts or cycles wildly, reduce the Proportional Gain (P) or increase the Integral Time (I). mitsubishi tension controller le 30 cta Manual
Adjusting the PID settings to match the mechanics of the machine.
: Install the unit inside a shielded conductive control box and maintain a distance of at least 100mm (3.94 inches) between power cables and signal lines to avoid signal interference.
If you need help resolving a specific operational issue, please share: The on your display Your output drive type (powder brake, servo, or inverter) The material type you are processing
You must calibrate the zero point and span before running material through the machine. Step 1: Zero Adjustment Remove all material and weight from the tension rollers. Press the set key
According to the LE-30CTA operational guidelines , the unit supports both and Auto modes:
This comprehensive guide serves as an operational manual, technical reference, and installation roadmap for engineers and maintenance technicians. 1. Specifications and Overview
Remove the test weights and verify the display returns to 0.0 . 5. Parameter Settings List
Use the 0-10V DC analog output terminals to feed a speed or torque correction signal to the drive. Parameter Configuration and Front Panel Navigation If the tension is oscillating (bouncing up and
What are you running (e.g., plastic film, paper, foil)?
Understanding the technical limits ensures safe and accurate operation. 100V to 240V AC, 50/60 Hz.
Incorrect wiring can permanently damage the tension detectors or the internal circuitry of the controller. Always isolate the main power before making connections. Power Supply Wiring
Properly utilizing the manual allows for quick diagnosis of issues, preventing costly downtime. The LED display on the front panel will show error codes (e.g., "A---" or "E---") if a fault occurs.
Control output (0-24V DC for magnetic powder clutches/brakes, 0-10V DC for feedback to VFDs/servo drives).
| Symptom | Possible Cause | Solution | | :--- | :--- | :--- | | | Sensor broken or disconnected | Check wiring to Load Cell (E+/E-). Check for cable breaks. | | Tension does not change | Output fuse blown | Check the fuse protecting the brake/clutch circuit. | | PV is unstable/jittery | Mechanical vibration or noise | Increase the Filter parameter; check for ground loops. | | Output is 100% constantly | Tension too low to detect | Check if load cells are physically working; check Zero calibration. | | Control is slow | PID settings incorrect | Decrease P-Band or Integral time. |