Automation Direct EZ-S6M-F

Product Brief Introduction

Core Technical Specifications

• Display Screen: 5.7-inch STN monochrome LCD, backlight continuous adjustable brightness
• Touch Panel: 48-cell resistive analog touch screen, mechanical touch service life ≥ 1 million presses
• User Program Memory Base Capacity: 512 KB, expandable maximum to 1.5 MB via CF memory card
• Supported Storage Media: Optional 512KB / 1MB / 2MB compact flash card for recipe and historical data storage
• Operating Power Supply: 20–30 V DC industrial control power, rated power consumption 13 W
• Front Panel Protection Grade: NEMA 4 / NEMA 4X (indoor installation); IP65 equivalent
• Communication Interfaces: Onboard RS232 programming port, RS422 serial data port, optional EZ-Ethernet communication expansion card
• Supported PLC Protocols: Modbus RTU, Modbus TCP, Allen-Bradley DH+, DirectLOGIC, Siemens, Omron, Mitsubishi native protocols
• Panel Mount Opening Size: 148mm × 102mm
• Overall External Dimensions: 160mm × 114mm × 45mm
• Net Weight: 0.36 kg
• Operating Temperature Range: 0°C ~ +45°C
• Storage Temperature Range: -20°C ~ +60°C

Function Features

1. Expandable flash memory architecture, supports mass production equipment recipe parameter storage via CF card
2. Complete industrial PLC multi-brand communication protocol library, single HMI compatible with mainstream global PLC brands
3. Built-in real-time clock chip with backup battery, continuous timestamp recording for alarm and production event logs
4. Rich screen element library: numerical display, bar graph trend chart, button switch, alarm message pop-up window, equipment status indicator lamp
5. Multi-level user password authority lock, classified operator, maintenance, administrator three access permission levels
6. Historical alarm data automatic storage, supports alarm record upload to upper monitoring system via Ethernet card
   7. Offline screen project download through RS232 port, support one-click project duplication to multiple identical HMI units
   8. Built-in hardware watchdog circuit; automatic screen freeze reset triggered by communication loss or processor crash
   9. Backlight automatic timing dimming/shutdown function to reduce long-term power consumption and extend LCD service life
   10. Touch coordinate self-calibration program built into firmware to correct touch drift caused by long-term mechanical wear

   Performance Parameters

   • LCD Display Resolution: 320 × 240 pixel fixed
   • Backlight Service Lifespan: Minimum 50,000 continuous operating hours at 25°C ambient temperature
   • Touch Position Accuracy: ± 1.5 mm full screen effective area
   • Real-Time Clock Time Drift: ≤ ± 3 seconds per 24-hour cycle
   • Serial Communication Response Delay: ≤ 30 ms Modbus RTU data polling cycle
   • Dielectric Withstand Voltage (Power to Signal Circuit): 1800 V AC
   • Non-Volatile Recipe Storage Retention Time: ≥ 8 years without external power supply

   Material Composition

   • Front Bezel: Black reinforced ABS flame retardant plastic with integrated polyurethane waterproof sealing gasket
   • LCD Module: Industrial STN monochrome liquid crystal display with anti-glare surface coating
   • Touch Layer: Polyester film resistive touch panel with nickel-indium oxide conductive coating
   • Main PCB: Double-sided FR4 flame retardant printed circuit board with full ground shielding plane
   • Internal Storage Battery: Lithium CR2032 coin cell for RTC clock backup
   • Rear Housing: Impact-resistant black ABS plastic shell with integrated cable strain relief fixtures

   Structural Characteristics

   • Standard embedded panel mounting structure, fully sealed front face to meet NEMA 4/4X waterproof and dustproof standards
   • Rear compartment split layout: independent isolated zones for power supply circuit, serial communication ports and CF card expansion slot
   • Removable plastic dust protection cover for CF card slot to prevent workshop particulate contamination of storage media contacts
   • Lockable screw terminal blocks for DC power input wiring to resist vibration loosening in production machinery environments
   • Separate labeled RS232 programming port and RS422 field communication port with individual rubber dust plugs

   Working Principle

   20–30 V DC input power energizes internal switching power supply circuit to provide regulated low-voltage power for LCD, touch controller and main microprocessor. User-edited screen project files stored in on-board flash memory load to main processor during power-on initialization. Resistive touch panel transmits coordinate voltage signals to touch control IC upon physical pressing; processor matches coordinate data with pre-programmed screen graphic elements to trigger assigned PLC register read/write commands. Real-time clock chip generates timestamp data for all alarm and production event logs, which can be cached locally or exported to CF expansion storage card. Serial communication IC establishes continuous data polling with connected PLC via RS422/RS232 bus to refresh real-time equipment operating values displayed on LCD screen. Hardware watchdog continuously monitors processor operation state and executes full system reset upon communication timeout or program stall faults.

   Advantage Highlights

   1. Multi-brand native PLC protocol compatibility eliminates requirement for third-party communication converters, reducing system integration costs
   2. Expandable CF card storage architecture supports batch recipe storage for mass production manufacturing equipment
   3. NEMA 4/4X front panel rating enables direct installation inside wash-down industrial workshop environments without additional protective enclosures
   4. Built-in RTC with long-life backup battery maintains accurate timestamp logging for fault traceability without external clock wiring
   5. Low power consumption backlight dimming function drastically extends display service life for unattended continuous operation equipment

   Applicable Industries

   Packaging automation machinery, metal cutting machine tools, material conveying handling systems, food & beverage production lines, plastic injection molding equipment, small water treatment control stations, agricultural processing automation devices

   Installation Requirements

   1. Strict embedded panel mounting only; supplied polyurethane sealing gasket must be fully seated between HMI bezel and cabinet panel cutout
   2. Panel cutout dimension maintained at 148 mm × 102 mm with flat, burr-free metal surface to preserve front waterproof performance
   3. DC power wiring utilizes shielded twisted pair cable, separated minimum 70 mm from high-current AC power cabling inside control cabinet
   4. Maintain ≥ 40 mm vertical clearance behind rear housing for heat dissipation and cable routing space
   5. Shielded serial communication cable single-point grounding at PLC controller terminal, floating ground at HMI end to avoid ground loop interference

   Usage Precautions

   1. Do not spray liquid cleaning agents directly onto front touch panel; only wipe surface with dry anti-static microfiber cloth
   2. Replace RTC lithium backup battery every 5 years for 24/7 continuous operation units to prevent timestamp data loss during power outages
   3. Remove CF memory card only after cutting off HMI DC power supply to avoid file system corruption
   4. Avoid installation adjacent to high-power inverters or contactors; strong electromagnetic interference will cause touch coordinate drift
   5. Execute touch screen calibration program every 12 months of heavy mechanical operation to restore touch positioning precision