Explosion-protected Computer System (Wireless LAN applicable)
This document describes an explosion-protected computer system designed for use in hazardous areas, specifically ZONE 1 and ZONE 2, with wireless LAN capabilities. The system is certified as Exd IIB T4 (TIIS certified) and is suitable for environments requiring robust and safe computing solutions.
Function Description
The Explosion-protected Computer System, Type EX4841-1, provides a secure and reliable computing platform for hazardous environments. It is equipped with standard Windows application software, running on Windows Embedded Standard 7 (32-bit), allowing for the execution of typical office and industrial applications. The system's primary function is to enhance workability and productivity in hazardous areas, enabling easy traceability of operations.
A key feature is its wireless LAN capability (optional), which allows two-way access to an IT network from both office and production sites. This facilitates seamless data exchange and remote monitoring, improving operational efficiency without compromising safety. The system supports various optional peripherals, including an intrinsically safe keyboard and mouse, a flameproof barcode laser scanner, and a flameproof network camera, to cater to diverse industrial needs.
Important Technical Specifications
Flameproof PC (EX4841-1)
- Explosion Protection: Exd IIB T4 (TIIS certified), Certificate No. TC21356.
- CPU: Intel Atom N2800, 1.86 GB.
- Operating System: Windows Embedded Standard 7 (32-bit).
- Memory: 2 GB.
- Storage: 16 GB for both boot device and auxiliary device.
- Display: 15-inch TFT color LCD monitor with a resolution of 1024 x 768, supporting a maximum of 16.19 million colors (RGB 8 bits each).
- Connectivity:
- Ethernet: 1000BASE-T/100BASE-TX/10BASE-T, RJ-45.
- Serial Ports: RS-232C x 1, RS485(422) x 1.
- USB Ports: 5 ports.
- Cable Gland: G3/4 (M25), G1/2 (M20), maximum 7 pieces.
- Wireless LAN (Optional): High-sensitivity and high-power antenna for high-speed wireless communication.
- Power Supply: AC100V.
- Power Consumption: 34 W.
- Material: Aluminum alloy casting.
- Painting Color: 5Y 7/1 (Outer surface only).
- Weight: Approximately 40 kg (excluding optional items).
- Ambient Temperature: 0°C to 40°C.
- Protection Grade: IP 55.
- Dimensions: 532 (W) x 488 (H) x 199 (D) mm (excluding external components). Mounting hole distance: 482 mm.
Intrinsically Safe Keyboard/Mouse (GIMK270)
- Explosion Protection: ia2G3, Certificate No. T68493.
- Radio System: 2.4GHz radio wave system with a communication range of approximately 5m.
- Keyboard (GIKEY270):
- Layout: 108 Japanese layout.
- Key Structure: Membrane keyboard.
- Material/Color: ABS plastic/Black.
- Battery: Two AA alkaline batteries (LR6).
- Battery Life: Approximately 2 years.
- Weight: Approximately 470g (excluding battery box).
- Mouse (GIMA270):
- Sensor Type: Optical.
- Resolution (dpi): 1,000.
- Material/Color: ABS plastic/Black.
- Battery: Two AA alkaline batteries (LR6).
- Battery Life: Approximately 1 year.
- Weight: Approximately 52g (excluding battery box).
- Receiver:
- Connection I/F: USB connector (Type A).
- Material/Color: ABS plastic/Black.
- Weight: Approximately 5g.
- Ambient Temperature: 0°C to 40°C.
- Applicable OS: Windows 10, 8, 7, Vista, XP.
- Accessories: Dust-proof cover for keyboard, USB extension cable, Battery box mounting plate.
Optional Peripherals
- Flameproof Barcode Laser Scanner (EX-BCR-1):
- Type: Handy type.
- Weight: 450g.
- Explosion Protection: Exd IIB T4.
- Connection: Requires a junction box (NJG-22BR) and a barcode signal converter (EX-SCH-1).
- Flameproof Buzzer (BZG-1): Optional.
- Flameproof Revolving Warning Light: Purchased item, connects via NJG-22BR.
- Flameproof Handy Terminal (WHT500-Ex): OEM product.
- Flameproof Network Camera (NS-ELEX-BNCA): OEM product.
Self-standing PC Rack (Optional)
- Outer Dimensions: 522 (W) x 1585 (H) x 565 (D) mm.
- Material: SS400, L40x40x5t.
- Painting: Standard painting, 5Y 7/1 (corrosion-proof).
- Weight: Approximately 35kg (Rack only).
- Features: Includes space for PC, ON/OFF switch, and keyboard. Height to the center of the LCD monitor is approximately 1350 mm.
Usage Features
- Hazardous Area Operation: Designed specifically for installation and operation in ZONE 1 and ZONE 2 hazardous areas, ensuring safety in potentially explosive atmospheres.
- Wireless Connectivity: The optional wireless LAN module provides flexibility in deployment, allowing the computer system to be placed where needed without extensive cabling, facilitating real-time data access and control from both office and production sites.
- User-Friendly Interface: The 15-inch LCD monitor offers a clear display, and the intrinsically safe keyboard and mouse provide a familiar input method for operators in hazardous zones.
- Expandability: Multiple USB ports, serial ports, and Ethernet connectivity allow for integration with various industrial devices and networks.
- Robust Construction: The aluminum alloy casting and IP55 protection grade ensure durability and resistance to harsh industrial environments, including dust and water ingress.
- Comprehensive Peripherals: The availability of optional flameproof barcode scanners, warning lights, and network cameras allows for a tailored solution to meet specific operational requirements, enhancing data collection, safety signaling, and remote monitoring capabilities.
- Self-standing Rack (Optional): Provides a complete, integrated workstation solution, offering protection and ergonomic placement of the PC and peripherals.
Maintenance Features
- Certified Design: As an explosion-protection certified product, it adheres to strict safety standards, reducing the risk of accidents during operation and maintenance.
- Modular Components: The system is composed of distinct modules (PC, keyboard, mouse, optional peripherals), which can simplify troubleshooting and replacement of individual components.
- Clear Installation Guidelines: The manual emphasizes the importance of reading the instruction manual for proper wiring, operation, installation, maintenance, and inspection, ensuring safe handling.
- No Unauthorized Modifications: Users are explicitly warned against remodeling the product, as it is an explosion-protection certified device, and unauthorized alterations could compromise safety.
- Safety Warnings: Clear instructions are provided regarding not opening the enclosure when energized to prevent electrical shock, fire, or explosion.
- Recommended Knowledge: For safe installation, use, and maintenance, the acquisition and effective use of explosion protection knowledge, such as SBA-Ex (a certification for explosion-protected electrical equipment safety recommended by NECA), is advised.
- Quality Improvement: Specifications and designs are subject to change for quality improvement without notice, indicating ongoing efforts to enhance product reliability and performance.
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