Switch to Manual, center the web by hand, and check your raw material roll alignment. Gain settings are too aggressive for the line speed. Access the parameter menu and reduce the proportional gain. 6. Preventive Maintenance
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Unlike older analog controllers, the DO 3001 utilizes digital signal processing to interpret input from photoelectric or ultrasonic sensors. It then sends corrective signals to a proportional directional valve or an electric actuator, steering the web back to the desired path. It is most commonly found on:
The DO 3001 is a designed to actuate a guide roller or frame to maintain a defined web edge or centerline position. It receives signals from photoelectric, ultrasonic, or inductive sensors (e.g., E+L’s FR 55, FR 60, or similar) and drives a servo or AC motor via a power amplifier (often external, like the PA 60). The manual’s first chapters typically emphasize that the DO 3001 is not a stand-alone device but part of a closed-loop positioning system. Erhardt-leimer Do 3001 Manual
Dynamically change the position of the web. Oscillation: Control web oscillation settings.
Founded in 1919, Erhardt+Leimer (E+L) is a world leader in web guiding, web tension control, and web inspection systems. The company serves industries such as textile, paper, film, foil, tire, non‑woven, and printing. The is a key component of E+L’s web guiding automation, designed to provide an intuitive touch interface for operators while serving as the central data hub for the entire control loop.
Place a sample piece of the production material completely inside the sensor slot, blocking the signal beam entirely. Select "Covered" and press Enter . Switch to Manual, center the web by hand,
The system is designed to be low-maintenance, but in case of issues, the DO 3001 display shows error codes. Common troubleshooting steps involve:
Shift-ly or weekly, depending on how dusty the production environment is.
Advanced correction logic designed for fine-tuned pneumatic and digital operations. It then sends corrective signals to a proportional
Comprehensive Technical Guide and Operator Manual Overview for the Erhardt+Leimer DO 3001 Introduction to the Erhardt+Leimer DO 3001
Adjust the controller gain (sensitivity) to prevent hunting or sluggish response.
Ensuring labels, films, and paper stay aligned during high-speed printing.
Many converting machines (e.g., Goebel, Atlas, Kampf) were built with the DO 3001 as OEM equipment. Check the original "Machine Builder Manual" often found in the electrical cabinet. These manuals contain the E+L section.
Use the +/- keys to move the web to the desired position. Activate Automatic Mode: Start the automatic web control. 4.2 Maintenance and Troubleshooting