Lauer LCA200 Starline Mini

The Lauer LCA200 is a member of the Starline Mini family of compact operator text displays, designed for straightforward machine control and monitoring tasks. This unit provides a clear 2x20 character LCD with user-friendly keypad, making it a cost-effective solution for simple automation applications where graphical display is not required.

Display and Keypad Specifications

• Model: LCA200 Starline Mini

• Display Type: Alphanumeric LCD with LED backlight

• Display Format: 2 lines x 20 characters

• Character Height: 7 mm

• Backlight: Green LED, adjustable contrast

• Keypad: 16 keys including numeric and function keys

• Key Type: Tactile membrane with protective coating

Technical Specifications

• Microcontroller: 8-bit at 16 MHz

• Memory: 32 KB Flash, 2 KB RAM

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

• Protocols: Lauer, Modbus RTU

• Power Supply: 24 V DC ±20%, 150 mA

• Operating Temperature: -10°C to 55°C

• Protection Rating: IP65 (front)

• Panel Cut-Out: 92 mm x 45 mm

• Dimensions: 106 mm x 56 mm x 35 mm

• Weight: 0.2 kg

Functional Description

The LCA200 provides a minimalist operator interface, suitable for displaying machine status, error messages, and parameter values. The 2-line display can show a variable name and its corresponding value simultaneously. The numeric keypad allows for direct entry of setpoints and time values. The function keys are typically used for starting/stopping the machine, acknowledging alarms, and navigating between screens.

The panel supports multiple screens, which can be used to organize information logically. A real-time clock option is available for time-stamping events. The unit's small size makes it suitable for integration into space-constrained control consoles and portable machines.

Installation and Mounting

The Starline Mini fits a standard 92 x 45 mm cut-out. Secure the panel using the spring clips. Connection to power and communication is made via a 6-pin terminal block on the rear. The RS-485 port supports multi-drop networking, allowing up to 32 units on a single bus. A DIP switch on the back sets the Modbus address.

Programming and Configuration

Programming is performed with the Lauer Starline Editor. This software allows creation of screen text, assignment of key functions, and configuration of communication parameters. The editor includes a library of common symbols such as motor on/off, temperature, and speed indicators. The application is downloaded via the RS-232 port.

Maintenance and Troubleshooting

The LCA200 requires minimal maintenance. The membrane keypad can be cleaned with a damp cloth. In case of communication issues, the built-in diagnostic LED will indicate the status. The unit has no user-serviceable internal parts.

Integration with Automation Systems

This panel is compatible with most PLCs supporting Modbus RTU. It can be used as a simple operator station for conveyors, pumps, compressors, and other standalone equipment.

Environmental and Safety Compliance

CE marked and RoHS compliant. The panel is designed for industrial use with ambient temperatures from -10°C to +55°C.

Technical Support and Documentation

A user manual and programming guide are included with the unit. Lauer provides a quick-start guide for Modbus configuration.

Conclusion

The Lauer LCA200 Starline Mini is a durable and straightforward text display panel, offering an affordable solution for basic operator interaction in small automation applications.