Lauer VPC Take Off Line Control Panel (VK212B.II.LAU)

The Lauer VPC VK212B.II.LAU is a specialized control panel designed for take-off line applications in extrusion and plastic processing. This VPC (Visual Process Control) unit provides comprehensive control over line speed, tension, cutting, and coiling operations, ensuring precise product quality and high production efficiency.

Display and Keypad Specifications

• Model: VK212B.II.LAU

• Type: VPC Take Off Line Control

• Display Type: Graphical LCD with LED backlight

• Display Resolution: 240 x 128 pixels

• Display Area: 115 mm x 64 mm

• Backlight: Yellow-green, adjustable

• Keypad: 24 tactile keys with extrusion-specific labeling

• Function Keys: 10 dedicated to take-off operations

• Numeric Keypad: 10 keys with decimal point

• Status LEDs: 6 for line status indicators

Technical Specifications

• Processor: 16-bit at 25 MHz

• Memory: 256 KB Flash, 64 KB RAM

• Recipe Storage: 100 product recipes

• Real-Time Clock: Yes, with battery backup

• Communication Ports: 2 x RS-232, 1 x RS-485

• Protocols: Lauer, Modbus RTU, extruder-specific

• Power Supply: 24 V DC, 500 mA

• Operating Temperature: 0°C to 50°C

• Protection: IP65 (front)

• Panel Cut-Out: 185 mm x 122 mm

• Dimensions: 212 mm x 145 mm x 65 mm

• Weight: 0.9 kg

Functional Description

The VK212B.II.LAU is pre-configured for take-off line control, with dedicated screens for line speed setting, tension regulation, puller speed ratio, and cut length parameters. It integrates with motor drives, tension sensors, and cutters via its serial ports. The panel provides real-time display of product length, line speed, production count, and fault diagnostics.

The unit can store up to 100 product recipes, each containing all settings for a specific product type. Rapid recipe changeover reduces downtime and improves flexibility. The panel also logs production data such as total length, downtime, and faults for quality analysis.

Installation and Mounting

Install the panel using the standard cut-out. Secure with mounting clips. Connect the 24 V DC power and the communication cables to the terminal block on the rear. For speed and tension feedback, the RS-485 port is typically connected to the drive's Modbus interface. Ensure the panel is properly grounded.

Configuration and Setup

The panel's configuration software allows the user to set parameters such as encoder pulses per meter, tension setpoints, and cut tolerance. A guided setup wizard simplifies the commissioning process. The panel can also be manually tuned using the keypad during operation.

Maintenance and Troubleshooting

Routine maintenance includes cleaning the screen and checking cable connections. The panel includes diagnostic screens that display the status of the drives, tension sensors, and cutters. Error messages are displayed in clear text, reducing troubleshooting time.

Integration with Extrusion Systems

This panel is designed for integration into extrusion and take-off lines. It communicates with AC/DC drives, encoders, and PLCs using standard industrial protocols. It can also be integrated with downstream equipment such as saws, cutters, and batching systems.

Environmental and Safety Compliance

CE certified and RoHS compliant. The panel is suitable for industrial environments with moderate to high vibration.

Technical Support and Documentation

Lauer provides a take-off line application manual, wiring diagrams, and a quick start guide. Technical support is available for specific integration issues.

Conclusion

The Lauer VPC VK212B.II.LAU Take Off Line Control Panel offers a comprehensive, user-friendly control solution for extrusion puller systems, improving product consistency and operator efficiency.