Siemens 7SC80 Manual page 23

[7sc80-hw-struktur-20110520, 1, en_US]
Figure 1-1
Microcomputer System
Apart from processing the measured values, the microcomputer system (μC) also executes the actual protec-
tion and control functions. They especially include:
•
Filtering and preparation of the measured quantities
•
Continuous monitoring of the measured quantities
•
Monitoring of the pickup conditions for the individual protective functions
•
Interrogation of limit values and sequences in time
•
Control of signals for the logic functions
•
Output of control commands for switching devices
•
Recording of messages, fault data and fault values for analysis
•
Management of the operating system and the associated functions such as data recording, real-time
clock, communication, interfaces, etc.
•
The information is distributed via output amplifiers (OA).
Binary Inputs and Outputs
The computer system obtains external information through the binary input/output boards (inputs and
outputs). The computer system obtains information from the system (e.g. remote resetting) or from external
equipment (e.g. blocking commands). These outputs include, in particular, trip commands to circuit breakers
and signals for the remote indication of important events and conditions.
SIPROTEC Compact, 7SC80, Manual
E50417-G1140-C486-A8, Edition 07.2017
Hardware structure Feeder Protection and Recloser Controller 7SC80
Introduction
1.1 Overall Operation
23