Description

The Siemens 6AV7872-0AC20-1AA0 is a SIMATIC Panel PC 677B designed for demanding industrial HMI and control applications. This unit features a 15-inch touch display with a 1024x768 resolution, providing a clear and interactive operator interface. It is powered by an Intel Core 2 Duo T5500 processor at 1.66 GHz and equipped with 1 GB of DDR2 RAM and a 160 GB SATA hard drive. Connectivity options are extensive, including dual Gigabit Ethernet ports, multiple USB 2.0 ports, and an integrated PROFIBUS/MPI interface with 2 MB of buffered SRAM. The system operates on a standard 24 V DC power supply and includes two PCI slots for further expansion. This model is supplied without a pre-installed operating system, allowing for custom software deployment.

Features

• 15-inch resistive touch display with 1024x768 resolution.
• Intel Core 2 Duo T5500 processor (1.66 GHz).
• 1 GB DDR2 RAM for application processing.
• 160 GB 3.5-inch SATA Hard Disk Drive for data storage.
• Integrated DVD+/-R/RW optical drive.
• Onboard PROFIBUS/MPI interface with 2 MB buffered SRAM.
• Front-panel USB 2.0 port for convenient access.
• Two available PCI slots for expansion cards.

Applications

• Human-Machine Interface (HMI) for process control and visualization.
• Data acquisition and logging in manufacturing environments.
• Supervisory Control and Data Acquisition (SCADA) nodes.
• Machine control panels in automated production lines.

Technical Specifications

Installation Guidelines

1.   1 Prepare Enclosure: Verify that the panel cutout dimensions match the PC 677B specifications. Ensure the mounting surface is clean, flat, and can support the unit's weight.
2.   2 Mount Unit: Securely install the Panel PC into the cutout using all provided mounting clamps. Tighten the clamps evenly to ensure a proper seal and prevent mechanical stress on the chassis.
3.   3 Establish Ground Connection: Connect a low-impedance protective earth (PE) conductor to the designated grounding terminal on the chassis. This is essential for safety and noise immunity.
4.   4 Connect Power Supply: Terminate the 24 V DC power supply wiring, ensuring correct polarity. Use appropriately sized conductors and verify the power source is stable and within the specified voltage range.
5.   5 Connect Peripherals: Connect all required network, PROFIBUS, USB, and serial cables. Ensure proper cable strain relief and routing to prevent interference and accidental disconnection.