Application Scenarios
Imagine a food processing plant where operators must wear gloves and frequently interact with machinery in a wet, washdown environment. The UNIOP 33A-BKDC16-T is mounted on the equipment door, its IP65-rated front panel resisting water jets and dust. Operators use the 16 physical keys—each labeled with a custom-printed tag—to start, stop, and reset the line, while the color touchscreen displays real-time production data, alarm messages, and recipe selection menus. This hybrid interface solves the core pain points of needing both rugged physical controls for critical functions and a flexible display for dynamic information, all without requiring a complex, expensive PC-based HMI.
In another scenario, a plant upgrading a legacy SLC 500 control system can deploy the 33A-BKDC16-T as a modern operator interface without rewriting the PLC’s core logic. The panel’s built-in driver for Allen-Bradley DF1 protocol enables direct connection to the PLC’s programming port. This cost-effective solution breathes new life into older machinery, enhancing operator efficiency and diagnostic capabilities while preserving the existing control infrastructure.
Parameters
| Main Parameters | Value/Description |
|---|---|
| Product Model | 33A-BKDC16-T |
| Manufacturer | UNIOP (EXOR / EAO, formerly Emerson) |
| Product Category | Universal Operator Panel / HMI |
| Display Type | 5.7-inch TFT Color LCD with Analog Resistive Touchscreen |
| Display Resolution | 320 × 240 pixels (QVGA) |
| Function Keys | 16 programmable tactile-membrane keys (8 with LED indicators) |
| Communication Ports | 1× RS-232, 1× RS-485, 1× Ethernet (10/100 Mbps) |
| Supported Protocols | Modbus RTU/TCP, Allen-Bradley DF1, Siemens PPI, Mitsubishi FX, and 130+ more |
| Power Supply | 24 V DC (20.4 to 28.8 V DC), typical 15-20W |
| Front Panel Protection | IP65 / NEMA 4X (dust-tight, protected against water jets) |
| Operating Temperature | 0 to 50 °C (32 to 122 °F) |
| Storage Temperature | -40 to 70 °C (-40 to 158 °F) |
| Programming Software | UNIOP Designer (for Windows) |
Technical Principles and Innovative Values
Innovation Point 1: Universal Protocol Engine.
The UNIOP 33A-BKDC16-T is powered by a 32-bit RISC processor and a firmware library that contains drivers for over 130 industrial protocols. This “universal” design eliminates the need for brand-specific HMIs—a single panel model can connect to Allen-Bradley, Siemens, Mitsubishi, Modbus, and many other controllers simply by selecting the appropriate driver in the software. For system integrators, this means stocking one HMI model for multiple customer requirements.
Innovation Point 2: Hybrid Human-Machine Interface.
The panel combines a QVGA color touchscreen with 16 physical function keys, each featuring a transparent label window and 8 with independent LED indicators. This hybrid approach offers the best of both worlds: flexible graphical visualization for process data, trends, and alarms, plus reliable physical buttons for mission-critical actions that can be operated with gloved hands and in high-vibration environments—a clear differentiation advantage over pure touchscreen HMIs.
Innovation Point 3: Rugged Design for Harsh Environments.
With an IP65 / NEMA 4X front panel rating, the 33A-BKDC16-T withstands high-pressure water jets and dust ingress, making it ideal for food processing, pharmaceutical, and chemical applications where frequent equipment washdowns are required. The CCFL backlight offers a typical lifespan of 50,000 hours, and the non-volatile memory retains applications without battery backup.
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