Product Short Description
Product Brief Introduction
Compact DIN panel-mount industrial human-machine interface developed by AutomationDirect for PLC monitoring, parameter modification, production data visualization, and equipment alarm display in discrete manufacturing and process automation systems. Unit is factory-calibrated for direct compatibility with all AutomationDirect DL, Do-more, and CLICK PLC families, with sealed front panel for on-site dust and liquid resistance.
Description
Technical Specifications (Core Parameters Bold)
- Viewable Display Size: 5.7-inch active area; Nominal labeled size: 6-inch
- Display Type: Color TFT LCD
- Screen Resolution: 320 × 240 QVGA
- Color Depth: 64K displayable colors
- Backlight: Non-replaceable LED backlight; rated half-life span 50,000 operating hours
- Touch Panel Type: Analog resistive touch screen
- Onboard Processing Chip: 333 MHz industrial-grade CPU
- User Application Memory: 10 MB non-volatile flash memory
- Power Supply Input: 24 VDC nominal; allowable operating range 20.4 VDC ~ 28.8 VDC
- Communication Interfaces (Built-in): 1 × RS232 serial port, 2 × USB host/device ports; No Ethernet, No CompactFlash expansion slot
- Front Panel Protection Rating: NEMA 4 / NEMA 4X / IP65 (only after full standard panel cutout installation)
- Operating Ambient Temperature: 0 °C ~ +50 °C
- Storage Temperature Range: -20 °C ~ +60 °C
- Humidity Tolerance: 10% ~ 85% RH, non-condensing environment only
- Cooling Mode: Passive natural convection, no built-in cooling fan
- Overall Physical Dimensions: 90.6 mm (W) × 74.2 mm (H) × 41.1 mm (D)
- Net Weight: 175 g (6.13 oz)
- Programming Software Mandate: EA-PGMSW C-more HMI configuration software
Functional Features
- Real-time dynamic data display of PLC register values, bit status, analog curve trending
- Multi-level user access password protection for equipment parameter lockout
- Built-in alarm logging system with timestamp storage for fault historical query
- Support multi-language text display on screen interface
- Analog signal bar graph, digital number display, motor status animation visualization
- Built-in PID parameter adjustment screen template for temperature/pressure closed-loop control
- Resistive touch supports glove operation under light industrial dust conditions
- Serial direct PLC connection without intermediate signal converters
Working Principle
The internal 333 MHz CPU continuously polls connected PLC via RS232 serial bus to read real-time internal register and I/O status data, refreshes TFT display pixel data every 20 ms cycle. Touch coordinate signals collected from resistive touch layer are converted to digital commands, transmitted back to linked PLC to trigger contact actuation, register value modification, and system mode switching. LED backlight driver maintains constant screen brightness with automatic power dimming trigger via user-configurable idle timer logic.
Material Composition & Structural Characteristics
- Front panel: ABS fire-retardant industrial plastic + transparent anti-scratch polycarbonate protective overlay
- Internal housing: Reinforced glass-filled ABS plastic enclosure
- Circuit substrate: FR4 double-sided industrial PCB with tin-lead free plating
- Sealing material: EPDM closed-cell waterproof rubber gasket (front panel perimeter)
- Fastening hardware: M2.5 captive stainless steel mounting screws (2 units included)
- Terminal connector: Removable pluggable DC power terminal block with locking latch
Advantage Highlights
- IP65 front panel eliminates need for additional external protective window on control cabinets
- Native compatibility with full AutomationDirect PLC product portfolio without communication protocol conversion modules
- Low power passive cooling design eliminates fan failure risk and reduces maintenance frequency
- Compact depth dimension fits shallow standard electrical cabinet cutouts
- Resistive touch stable under low-temperature workshop environments where capacitive touch fails
- Built-in alarm timestamp storage without external memory card dependency
Applicable Industries
General discrete manufacturing assembly lines, packaging machinery, material conveying equipment, small-scale water treatment skids, food processing low-humidity production lines, HVAC industrial control systems, small pump/compressor control panels
Installation Requirements
- Standard rectangular panel cutout dimension matching EA7 series specification template
- Torque mounting M2.5 screws to fixed 0.5 Nm (70 oz-in) tightening force
- Complete front panel gasket installation mandatory to achieve IP65 protection rating
- Install unit only in indoor ambient environments; outdoor direct sunlight exposure prohibited
- Maintain minimum 20 mm vertical clearance behind unit for passive heat dissipation
- DC power wiring must use shielded twisted pair cable with 2A overcurrent fuse on input circuit
Usage Precautions
- Backlight assembly is non-replaceable; avoid long-term maximum brightness idle operation to extend service life
- Unit is fully discontinued since June 2017; spare part replacement requires EA9-T6CL direct substitute model
- Do not clean touch panel surface with alcohol, acetone or corrosive solvent; only neutral water-based microfiber cloth allowed
- Condensation inside electrical cabinet will permanently damage internal PCB; dehumidification equipment mandatory for high-humidity workshop installation
- Hot plug/unplug USB or serial communication cable while powered will corrupt user program memory
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