Description

The Siemens 6AV7873-0BB21-1AC0 is a SIMATIC Panel PC 677B designed for machine-level control and visualization applications. This unit features a 15-inch keypad display with 1024x768 resolution, powered by an Intel Celeron M 440 processor operating at 1.86 GHz. It is equipped with 1 GB of DDR2 RAM and a 250 GB SATA hard disk drive for data storage and application execution. Connectivity options include dual Gigabit Ethernet ports, four USB 2.0 ports, a serial port, and an integrated PROFIBUS/MPI interface. The system comes pre-installed with Windows XP Professional (MUI) and includes a DVD+/-R+/-RW optical drive for software installation and data backup.

Features

• 15-inch keypad display with 1024 x 768 pixel resolution
• Intel Celeron M 440 processor at 1.86 GHz
• 1 GB DDR2 RAM for application processing
• 250 GB 3.5-inch SATA Hard Disk Drive
• Integrated PROFIBUS/MPI interface with 2 MB buffered SRAM
• Dual 10/100/1000 Mbit/s Ethernet ports
• Front-side accessible USB interface
• Pre-installed with Windows XP Professional (Multi-User Interface)
• Integrated DVD+/-R+/-RW optical drive

Applications

• Machine-level Human Machine Interface (HMI)
• Process visualization and control
• Data acquisition and logging systems
• Industrial automation control nodes

Technical Specifications

Installation Guidelines

1. 1 De-energize Equipment: Ensure the control cabinet and all related circuits are fully de-energized and verified to be in a zero-energy state before beginning installation.
2. 2 Verify Panel Cutout: Confirm that the panel cutout dimensions match the requirements for the Panel PC 677B chassis to ensure a proper fit and environmental seal.
3. 3 Mount the Unit: Insert the Panel PC into the cutout from the front of the panel. Secure it from the rear using the provided mounting clamps, tightening them evenly to the specified torque to create a uniform seal.
4. 4 Connect Protective Earth (PE): Connect the PE terminal on the Panel PC chassis to the control cabinet's main protective earth bus using a low-impedance conductor of the appropriate gauge. This is a critical safety connection.
5. 5 Connect Power Supply: Connect the 110/230 V AC power supply cable to the unit's power input connector. Ensure the power source is stable and correctly rated.
6. 6 Connect Interfaces: Connect all required communication cables, such as Ethernet, PROFIBUS, and USB. Ensure proper shielding and grounding practices are followed for all data cables to minimize electrical noise interference.
7. 7 Final Check and Power-Up: After verifying all connections are secure and correct, remove LOTO devices and re-energize the cabinet. Power on the Panel PC and confirm that the operating system boots correctly and all interfaces are functional.