The Lauer PCS-10TVD-102 (also identified as LK4116) is a smart touch panel from the PCSsmart series, designed for cost‑sensitive yet feature‑rich HMI applications. It combines a compact resistive touchscreen with an embedded controller, providing a modern operator interface for small machinery, test equipment, and laboratory automation. The panel supports both graphical and text‑based screens and communicates via standard serial protocols.
The panel features a 10.4‑inch TFT display with a resolution of 800 x 600 (SVGA) and an LED backlight (300 cd/m²). The screen has a 4:3 aspect ratio and a wide viewing angle. A 4‑wire resistive touchscreen is integrated, requiring a stylus or finger pressure. The touch controller supports calibration and has a drift‑compensation algorithm. The front glass is anti‑glare and rated for light industrial use.
The PCS-10TVD-102 is powered by an ARM9 processor running at 200 MHz, with 64 MB of SDRAM and 128 MB of NAND flash for screen data and application. The system runs a real‑time operating system (RTOS) that ensures fast screen transitions and deterministic response times. The memory can store up to 500 screens and 1000 variables.
Serial Port 1: RS‑232 (9‑pin) for connection to PLC or PC.
Serial Port 2: RS‑485 (terminal block) for multi‑drop networks.
Protocol Support: Modbus RTU (master/slave), LAUER protocol, and a generic ASCII driver.
USB (optional): For data export and firmware updates.
Power Supply: 24 V DC ±15 %, 300 mA max.
Operating Temperature: 0 °C to 50 °C.
Storage Temperature: –20 °C to 70 °C.
Humidity: 10 – 90 % RH (non‑condensing).
Housing: ABS plastic, front IP54, rear IP20.
Mounting: Panel‑mount with clips (cut‑out 230 mm x 170 mm).
Dimensions: 260 mm x 200 mm x 40 mm (W x H x D).
Weight: 1.2 kg.
The panel is configured using the LAUER PCSsmart Configurator, a Windows‑based tool that provides a library of pre‑defined objects (buttons, numeric fields, bar graphs, etc.). The software supports multi‑language text and allows online simulation. The project is downloaded via the RS‑232 port using a standard serial cable. The software also includes a backup and restore function for easy duplication.
Cut the panel opening, insert the unit from the front, and secure with the clips. Connect the 24 V power supply (two‑pin terminal). Connect the serial cable to the PLC or PC. After power‑on, the panel displays a startup screen. Use the configurator software to download the project. If communication fails, check the baud rate and cable wiring. Calibrate the touchscreen using the built‑in calibration routine (press and hold the upper left corner during boot).
Clean the touchscreen with a soft cloth. Avoid harsh solvents. The panel has no user‑serviceable parts inside. Common issues: “Touch Not Calibrated” – run calibration; “No Response from PLC” – verify Modbus address and parity; “Screen Flicker” – check power supply ripple. For persistent problems, restore factory defaults using the reset button (recessed on rear).
The PCS-10TVD-102 is compatible with most PLCs supporting Modbus RTU. Variants include different display sizes (7‑inch, 12‑inch) and optional Ethernet (PCS‑10TVD‑E). The LK4116 is the standard part number for this model. When ordering, specify the communication protocol required.



