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Description
2.2 Panel PC 877: Computer unit and control unit
SIMATIC PC Panel PC 677/877, Control Unit
Operating Instructions, Edition 04/2005, A5E00407724-01
2-3
2.2
2.2
Panel PC 877: Computer unit and control unit
Structure
The device is available in two different configurations:
•
Centralized configuration: Computer unit and control unit form an entity.
•
Distributed configuration: Computer unit and control unit are in separate locations.
Principle
In a centralized configuration, the computer is secured to the back of the control unit with two
mounting rails.
Figure 2-2
Panel PC 877 as a complete device with centralized configuration
1
Control unit
2
Computer unit
Short description
The device is available with different control units which are distinguished by the size of the
display and by the membrane keyboard or touch screen.
Keyboard variants
•
Color display with backlighting:
–
12'' TFT technology with 800 x 600 resolution
or
–
15'' TFT technology with 1024 x 768 resolution
•
Membrane keyboard with alphanumeric keys, numeric keys, cursor keys and control keys
•
Function keys and softkeys
•
Integrated mouse
•
LEDs for power supply, temperature, softkeys, <Shift> and <ACK> keys
•
Front-mounted USB 2.0 port for connecting external I/O modules. The front-mounted
USB port is sealed and unusable for some device variations.