EA3-T4CL Automationdirect

EA3-T4CL Automationdirect Programmable controller

Brand：Automationdirect Model number：EA3-T4CL

Country of origin: United States Product weight：0.55kg

HS code：8517623990

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Product Details：

Product Dimensions：

The EA3-T4CL features a 4.3-inch widescreen TFT color display. Unlike older monochrome versions, this "CL" (Color) model provides a vibrant palette for more intuitive machine status visualization. It is part of the C-more Micro EA3 series, which is built for durability and ease of integration. The unit includes a built-in serial port for PLC communication and supports both landscape and portrait mounting orientations. Its hardware is designed to be powered either via the communication port from a compatible PLC or through an external $24 \text{ VDC}$ power source.

Product Parameters

Display Size: 4.3-inch diagonal widescreen.
Display Type: TFT Color LCD with $480 \times 272$ pixel resolution.
Color Depth: 32,768 colors for realistic graphics and gradients.
Touchscreen Type: Analog resistive.
Backlight: LED with a $30,000$ hour half-life (typical).
Communication Port: One RS-232 (RJ12) port supporting various PLC protocols including Modbus RTU, K-Sequence, and DirectNET.
Programming Port: USB Micro-B port for high-speed project transfers from a PC.
Input Power: $12-24 \text{ VDC}$ or powered via the RJ12 serial port from certain PLCs.
Environmental Rating: NEMA 4/4X and IP65 (indoor use only) when mounted correctly in a suitable enclosure.
Agency Approvals: UL, cUL, and CE compliant.

Product Advantages

One of the primary advantages of the EA3-T4CL is its High Visual Clarity in a small form factor; the widescreen color display allows for much more detailed mimic diagrams than standard 3-inch or monochrome panels. The Simplified Configuration is another major plus, as it uses the free C-more Micro programming software, which features a vast library of pre-built objects like gauges, buttons, and graphs.

The Flexible Power Options make it ideal for mobile or remote applications where only a PLC connection is available. Furthermore, the Cost-to-Performance Ratio is exceptional, offering a full-color touch interface at a price point comparable to high-end industrial pushbuttons. The unit also supports Alarm Logging and Recipe Functions, which are typically found only in much larger and more expensive HMI systems.

Important Considerations and Precautions

When installing the EA3-T4CL, it is vital to ensure that the Gasket is Properly Seated to maintain its NEMA 4/4X rating; an improper seal can allow moisture or oil to enter the enclosure and damage the internal electronics. Users should be cautious with Power Sourcing; if powering the unit through the RJ12 port, ensure the PLC's port is capable of supplying the necessary current ( $210 \text{ mA}$ at $5 \text{ VDC}$ ), otherwise, an external $24 \text{ VDC}$ supply must be used.

Avoid using Sharp Objects (like screwdrivers or pens) on the resistive touchscreen, as this will puncture the protective film and cause touch-point failure. Additionally, because the unit uses Serial Communication, ensure that the cable length does not exceed $15 \text{ meters}$ ( $50 \text{ feet}$ ) for RS-232 to prevent data corruption. Finally, always Back up your Project Files on a PC, as the EA3-T4CL does not have an SD card slot for external project storage.

Product Applications

The EA3-T4CL is designed for localized control in a variety of industrial and commercial settings.

Small Packaging Machines: Providing a compact interface for adjusting timers, counters, and viewing machine alarms.
Pumping Stations: Used for monitoring pressure levels and manual pump overrides in water treatment or irrigation systems.
HVAC Controls: Serving as a thermostat and scheduling interface for large-scale air handling units.
Material Handling: Mounted on small conveyors or sortation units for local operator intervention.
OEM Equipment: Integrated into specialized laboratory or medical devices where a professional, branded color interface is required in a tight space.

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