Description; Panel Pc 677: Computer Unit And Control Unit - Siemens SIMATIC Panel PC 677 Operating Instructions Manual

Description

2.1

Panel PC 677: Computer unit and control unit

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