UNIOP ETOP306

Description

Technical Specifications

• Display Panel: 5.7-inch STN color LCD touchscreen, 320 × 240 QVGA fixed resolution
• Touch Interface: 4-wire resistive analog touch panel, industrial chemical resistant surface coating
• Operating Supply Voltage: 24 VDC nominal input, range 18–30 VDC
• On-Board Memory: 128 MB program flash memory, 64 MB data recipe storage memory
• Communication Ports: RS232, RS485 Modbus RTU, Ethernet 10/100 Mbps TCP/IP, USB host port
• Supported PLC Protocols: Siemens S7, Modbus RTU/TCP, Allen-Bradley DF1, Omron FINS, Mitsubishi MC protocol
• Operating Temperature Range: 0 °C to +50 °C
• Front Panel Protection Rating: IP65, rear cabinet side IP20

Functional Features

1. Multi-protocol native communication compatibility with all mainstream global industrial PLC brands
2. Real-time animated machine process visualization with configurable digital/analog data value displays
3. Latched fault alarm page with timestamped fault event history log storage
4. Recipe management function with 500 independent machine parameter set storage capacity
5. User access level password protection with three tiered operator permission authority
6. USB data backup port for offline HMI project program upload/download
7. Real-time clock calendar for permanent timestamp recording of all process and alarm events
8. Multi-language runtime text support for global multi-national production line deployment

Performance Parameters

• Touch panel actuation service life: 10,000,000 single point press cycles
• Program flash memory data retention: ≥ 15 years without external 24 VDC supply
• RTC backup lithium cell service life: Minimum 6 years continuous operational runtime
• Ethernet communication data refresh rate: Maximum 100 ms full tag table update cycle
• LCD display half-brightness service life: 50,000 continuous operating hours

Material Composition

• Front bezel housing: Die-cast aluminum alloy with matte black powder coating
• Touchscreen overlay: Polyester film with anti-chemical hard coat resistive touch layer
• LCD substrate: Industrial grade STN liquid crystal panel with cold-cathode backlight unit
• Rear enclosure housing: Flame retardant V0 ABS plastic
• Internal PCB: FR4 EMC filtered control printed circuit board

Structural Characteristics

• Standard cabinet cutout mounting form factor, front panel outer dimensions 180 mm (W) × 140 mm (H)
• Single-piece rubber sealing gasket integrated into front bezel to maintain IP65 front panel rating post-installation
• All communication and power wiring connectors located on rear housing compartment
• Four fixed mounting clamping brackets included for secure installation inside control cabinet cutout
• Integrated front panel status LED indicators for power, communication and system fault status

Working Principle

24 VDC supply voltage powers internal isolated DC-DC converter circuits supplying LCD backlight, touch controller and main CPU unit. HMI project program stored in on-board flash memory renders real-time machine process graphics on the color LCD screen. RS485/Ethernet communication ports continuously exchange register data with connected PLC/controller hardware; analog and digital process values update screen visualization in real time. Resistive touch panel converts operator screen press coordinates to digital control signals transmitted to CPU to execute machine run/stop, setpoint adjustment and recipe selection commands. All alarm trigger events are timestamped via on-board RTC clock and written to non-volatile recipe memory for permanent historical storage. USB host port facilitates full project program backup and recipe parameter export to external flash storage devices.

Advantage Highlights

1. IP65 sealed front panel withstands direct water washdown in food and beverage processing production environments
2. Universal multi-brand PLC protocol compatibility eliminates requirement for communication gateway converters
3. Large on-board recipe memory supports complex multi-product batch manufacturing parameter storage
4. Compact 5.7-inch footprint fits small machine control cabinet cutouts unavailable for large-screen HMIs
5. Integrated USB port enables fast on-site project backup without dedicated programming PC Ethernet connection
6. Tiered password user access prevents unauthorized modification of critical production machine parameters

Applicable Industries

Food & beverage packaging machinery, plastic injection molding equipment, small automated assembly stations, agricultural processing machinery, textile manufacturing equipment, water treatment skid mounted systems, portable industrial test machinery

Installation Requirements

1. Install unit into flat cabinet cutout with specified dimensional tolerance ±0.5 mm to maintain IP65 front seal integrity
2. Tighten four mounting clamps with uniform torque of 1.8 N·m to avoid uneven gasket compression and water ingress
3. Route all rear wiring cables with sufficient strain relief to prevent connector vibration loosening
4. Separate Ethernet/RS485 communication wiring and AC high-power motor wiring by minimum 12 cm distance
5. Install unit in cabinet with maximum ambient operating temperature limited to +50 °C
6. Connect 24 VDC power supply with built-in short-circuit and overvoltage protection circuitry

Operation Precautions

1. Clean front touchscreen surface only with mild water-based cleaning agent; avoid alcohol and solvent chemical cleaners
2. Replace RTC backup lithium cell every 6 years to eliminate timestamp data drift and loss
3. Perform full HMI project program backup to USB storage device prior to program modification editing
4. Do not expose front panel to high-pressure hot water washdown exceeding 60 °C liquid temperature
5. Disconnect 24 VDC supply voltage before removing unit from cabinet cutout for maintenance
6. Limit simultaneous active communication PLC connections to maximum two bus protocols to avoid screen refresh lag