Erhardt+Leimer DC 0310 Digital Position Controller

Erhardt+Leimer DC 0310 Digital Position Controller

The Erhardt+Leimer DC 0310 is a digital position controller engineered for high-precision closed-loop web guiding, edge tracking, and web centering applications. Manufactured in Germany by Erhardt+Leimer (E+L), the DC 0310 processes dynamic positional telemetry from analog or digital optical, ultrasonic, and line sensors. It computes high-speed corrective positioning commands and directly drives electromechanical or electrohydraulic actuators.

Designed to operate under continuous duty cycles in demanding production lines, the unit integrates an onboard micro-controller, localized power stages, discrete I/O logic, and CAN bus fieldbus architecture. The DC 0310 mounts directly onto pivoting guide frames (ELGUIDER / ELPOSER systems) or retrofits inside standard low-voltage switchgear enclosures.

Model Details

• Manufacturer: Erhardt+Leimer GmbH (Stadtbergen, Germany)
• Model Series: DC 03 Series Digital Position Controllers
• Type Designation: DC 0310
• Part Number (MPN): DC 0310 / DC0310 (Common system assembly sub-reference: 157872 / MAS-DC_03)
• Standard Control Topology: Closed-loop PID positional servo regulator with incremental encoder feedback

Features

1. Sub-Millimeter Edge Control: Executes sub-pixel signal interpolation with cycle update rates designed to correct lateral web wandering at line speeds exceeding 1,500 m/min.
2. CAN-Based System Integration: Integrated multi-drop CAN bus interface facilitates deterministic communication with operator panels (DO series) and command units (AK/RK series).
3. Direct Actuator Motor Drive: Onboard H-bridge drive circuitry modulates forward, reverse, and dynamic braking profiles for 24V DC positioning motors without requiring external contactors.
4. Universal Multi-Sensor Architecture: Interfaces directly with wide-beam infrared, ultrasonic, visible-spectrum line sweep, and CCD matrix edge sensors.
5. Ruggedized Industrial Housing: IP54-sealed die-cast/extruded chassis engineered to resist high ambient vibration, airborne particulates, and electromagnetic interference (EMI).

Compatible Equipment Models

• Edge & Center Sensors: FR 45, FR 50, FR 52 (Infrared); FX 45, FX 50, FX 52 (Ultrasonic); FE 50, FE 52 (Optical Color Line/Contrast Matrix).
• Actuator Drives: AG 2571, AG 2691, KR 47, KR 52, KR 56 mechanical slide and screw-drive positioning assemblies.
• HMI / Display Panels: DO 2000, DO 2001, DO 4000, DO 4021, and RK 4004 command consoles.
• Mechanical Carrier Platforms: ELGUIDER pivoting roll assemblies, ELPOSER tool-positioning frames, and segmented roller guiders (SW 9480).

Part Number Cross-References

• lternative E+L Series Matches: DC 0311, DC 0340, DC 0341, DC 0360, DC 2341
• Predecessor / Legacy References: DC 01, DC 02, DC 5500
• Drawings / Assembly Schematics: MAS-DC_03..-157872

Applications

• Printing Presses & Slitter-Rewinders: Web lateral positioning on high-speed gravure, flexographic, and offset printing lines.
• Extrusion & Film Converting: Eliminating edge-telescoping and reel-winding errors during continuous blown film production.
• Corrugated Board & Paper Lines: Continuous tracking and edge alignment across paper machines, corrugators, and cross-cutters.
• Textile & Non-Woven Stenters: Centering and edge-pinning of fabrics, knitted textiles, and non-woven felts.
• Battery & Tire Manufacturing: Precision edge-alignment of calendered rubber webs, battery separator film, and copper/aluminum electrode foil winding.

Frequently Asked Questions

What is the primary function of the Erhardt+Leimer DC 0310 controller?

The DC 0310 serves as an intelligent positional controller that receives edge or contrast telemetry from optical or ultrasonic sensors, executes real-time PID steering adjustments, and drives actuator motors on web guiding assemblies.

Can the DC 0310 replace a DC 0311 or DC 0340 module directly?

The DC 0310 shares the primary pin allocations and form factor of the DC 03 family. However, specific sub-variants differ in fieldbus firmware profiles (Ethernet vs. CAN) and motorized sensor integration. Always compare terminal configurations and bus protocol requirements prior to drop-in replacement.

How is setup and calibration performed on the DC 0310?

Calibration is carried out through an E+L command station (e.g., DO 2000, DO 4000) or via the service setup mode, where technician menus allow actuator stroke zeroing, encoder pulse indexing, and sensor gain adjustments.

What causes an overcurrent or drive fault on the DC 0310?

Most drive faults stem from mechanical binding in the trapezoidal screw or rack of the guide frame actuator, a worn DC motor brush pack, or a failed dynamic brake circuit. Always inspect actuator mechanical free-travel before replacing the controller board.

Does the DC 0310 retain stored parameters through power outages?

Yes. All operational parameters, dead-band tolerances, PID coefficients, and network addresses are held in non-volatile onboard EEPROM memory and load instantly upon power restoration.