Lauer Topline midi PCS950C Operator Panel (24V)

The Lauer Topline midi PCS950C is a high-performance operator panel designed for complex industrial applications requiring a larger display and advanced graphical capabilities. Operating on a 24 V DC power supply, this panel offers a superior visual experience with its high-contrast graphic screen and an extensive array of function keys, making it ideal for machine tools, packaging lines, and process control systems.

Display and Interface

• Model: PCS950C (Topline midi)

• Power Supply: 24 V DC (nominal)

• Display Type: Graphical LCD with CCFL backlight

• Resolution: 320 x 240 pixels (QVGA)

• Display Size: 5.7 inches diagonal

• Colors: 4 shades of gray (monochrome) or optional color version

• Backlight: Replaceable CCFL tube

• Keypad: 36 keys including 10 numeric and 16 function keys (F1-F16)

• Key Type: Tactile membrane with a protective overlay

Technical Specifications

• Processor: 32-bit RISC at 66 MHz

• Application Memory: 512 KB Flash, 128 KB SRAM

• Data Memory: 2 MB for recipe and log storage

• Real-Time Clock: Yes, with battery backup

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

• Printer Port: Parallel (Centronics) for report printing

• Protocols: Lauer, Modbus RTU, PROFIBUS DP (via optional module), Siemens, Allen-Bradley DF1

• Power Consumption: 18 W max

• Operating Temperature: 0°C to 45°C

• Protection Rating: IP65 (front), IP20 (rear)

• Panel Cut-Out: 185 mm x 122 mm

• Dimensions: 212 mm x 145 mm x 65 mm

Functional Description

The PCS950C excels in applications requiring detailed process visualization. Its QVGA resolution allows the creation of comprehensive mimic diagrams, trend graphs, and multi-level menu systems. The 36-key layout provides direct access to frequently used functions, reducing operator navigation time. The numeric keypad is particularly useful for entering setpoints and machine parameters with speed and precision.

The panel includes a built-in recipe management system, allowing operators to store and recall up to 255 parameter sets. This is crucial for batch processing and changeover applications. Additionally, the parallel printer port enables the generation of shift reports or production logs directly from the panel.

Installation and Mounting

Mount the PCS950C in a vertical panel using the supplied clamps. Ensure the operating temperature range is respected by providing adequate ventilation around the rear housing. For the 24 V DC supply, use a regulated power source with sufficient capacity; the panel draws up to 750 mA at peak. Connect the communication cables according to the pin-out diagrams provided in the manual. The CAN bus interface allows integration with Lauer fieldbus components for distributed control architectures.

Programming and Configuration

Programming is accomplished via the Lauer Topline Studio, a Windows-based engineering tool. The software supports object-oriented screen design, drag-and-drop widgets, and a built-in tag database. The PCS950C supports multiple-screen projects, with up to 500 screen pages possible. The download is performed via the primary RS-232 port using a high-speed upload protocol, reducing download time for large projects.

Maintenance and Troubleshooting

The CCFL backlight is replaceable; it has an average lifespan of 40,000 hours. When the backlight dims, a replacement kit is available. The battery (CR2450) must be replaced every 3-4 years to avoid losing clock and memory data. The panel’s diagnostic menu provides details on CPU load, memory usage, and communication statistics. In case of a communication fault, check cable continuity and verify the baud rate settings match the connected PLC.

Integration Capabilities

With its multiple communication ports, the PCS950C can simultaneously connect to a main PLC (via RS-485), a programming terminal (via RS-232), and a fieldbus network (via CAN). This multi-tasking capability makes it a central control point in complex automation cells. The panel can also be used as a gateway, relaying data between different protocols.

Environmental and Safety

Certified to CE and UL standards, the PCS950C is suitable for industrial environments. It is resistant to electromagnetic interference (EMI) and features built-in surge protection on the power supply input.

Support and Documentation

A comprehensive hardware manual, installation guide, and programming reference are supplied with the unit. Lauer offers online training modules and a technical hotline for urgent support. Spare parts, including keypad overlays and backlight units, are stocked.

Conclusion

The Lauer Topline midi PCS950C operator panel combines a generous graphical display, extensive keypad, and versatile connectivity in a robust package. It empowers operators with a clear, user-friendly interface, driving efficiency and precision in demanding manufacturing processes.