SIMATIC PC Panel PC 677/877, Control Unit
Operating Instructions, Edition 04/2005, A5E00407724-01
2-1
Description
2
2.1
2.1
Panel PC 677: 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 2-1
Panel PC 677 as a complete device with centralized configuration
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Control unit
2
Computer unit