Mitsubishi Tension Controller - Le 30 Cta Manual

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The difference in voltage between Zero calibration and Span calibration is too small.

The is an essential reference for maintaining, operating, and troubleshooting this now‑discontinued tension control system. As the LE‑30CTA approaches the end of its service life, the manual becomes even more valuable for extending the operational life of existing equipment while planning for eventual migration to the LE7‑40GU‑L replacement.

The official Mitsubishi Instruction Manual highlights several mandatory safety and setup procedures: mitsubishi tension controller le 30 cta Manual

Ensure the tension sensing roller is completely free of web material or debris.

The controller detects tension via the detector and compares it to the set value. Based on any difference, it outputs a 0–5 V torque command for an AC servo amplifier or a 0–24 V control voltage for magnetic particle clutches or brakes to adjust tension in real-time.

Here are some valuable tips and tricks to keep in mind when working with your LE-30 CTA: Related search suggestions: functions

Unlike modern auto-tuning controllers, the LE-30CTA requires manual PID tuning. The manual provides a starting rule of thumb:

The Mitsubishi LE-30CTA is a feedback-type, fully automatic tension controller equipped with a 3.8-inch high-resolution LCD touchscreen. It supports three languages (Simplified Chinese, Japanese, and English), making it particularly suitable for overseas use. The unit receives signals from LX-TD or LX-TD-928 tension detectors to automatically control material tension during unwinding, intermediate shaft, and winding processes.

: 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. Here are some valuable tips and tricks to

Compatible with LX-TD type tension detectors (load cells).

: This model has been discontinued due to difficulty obtaining main components.

: Includes linear and ring counter functions, preset capabilities, sampling counters, and periodic pulse counters to adapt to various machinery needs.