Description

This is a Siemens 6AV7874-0AA30-1AC0, a SIMATIC Panel PC 677B designed for industrial human-machine interface (HMI) and control applications. It features a 17-inch touchscreen display with a resolution of 1280 x 1024 pixels. The unit is powered by an Intel Celeron M 440 processor at 1.86 GHz and is equipped with 2 GB of DDR2 RAM. For connectivity, it includes dual 10/100/1000 Mbit/s Ethernet ports, four USB 2.0 ports, a serial COM1 port, and a PROFIBUS/MPI interface. Storage is provided by a 160 GB SATA hard disk drive, and the system includes a DVD+-R/RW optical drive. This panel PC operates on a 24 V DC power supply and comes with Windows XP Professional Multi-Language User Interface pre-installed. Please note this product line is considered obsolete by the manufacturer.

Features

• 17-inch color touchscreen display
• Integrated Intel Celeron M 440 processor
• Dual Gigabit Ethernet ports for network connectivity
• Built-in PROFIBUS/MPI port for fieldbus communication
• Front-accessible USB 2.0 interface for convenience
• Includes 160 GB HDD, 2 GB RAM, and a DVD+-R/RW drive
• Operates on a standard 24 V DC industrial power supply
• Pre-installed with Windows XP Professional (MUI)

Applications

• Machine control and visualization (HMI)
• SCADA system operator stations
• Data acquisition and logging in manufacturing environments
• Process monitoring in industrial plants
• Factory automation control panels

Technical Specifications

Installation Guidelines

1. 1 Prepare Enclosure: Verify that the panel cutout dimensions match the PC 677B's mounting requirements. Ensure the mounting surface is clean, flat, and can support the weight of the unit.
2. 2 Mount the Unit: Insert the Panel PC into the cutout from the front of the enclosure. Secure it from the rear using the provided mounting clamps, tightening them evenly to the manufacturer's specified torque to ensure a proper seal.
3. 3 Connect Protective Earth: Connect a low-impedance protective earth (PE) or grounding conductor to the designated terminal on the chassis. This is a critical step for electrical safety and noise immunity.
4. 4 Connect Power Supply: Connect the 24 V DC power source to the power supply connector. Ensure correct polarity (+/-) is observed. Use appropriately sized conductors for the load and distance.
5. 5 Connect Interfaces: Connect Ethernet, PROFIBUS/MPI, USB, and any other required communication cables. Ensure proper shielding and grounding practices are followed for all data cables to minimize interference.
6. 6 Final Checks and Power-Up: Double-check all connections. Remove LOTO devices and re-apply power to the cabinet. Observe the Panel PC during its boot sequence to ensure proper startup and operation.