Iskra FPC 200 - Automation and Diagnostic

Functionality
60 USER MANUAL FPC 200 - 3/2017
2.6 Automation and diagnostic
FPC 200 can be used to control and monitor breaking devices.
Circuit breaker control and monitoring - ANSI 94/69 with integrated circuit breaker
failure - ANSI 50BF/62BF function.
2.6.1.1 Description
FPC 200 is used to control breaking devices equipped
with different types of closing and tripping contacts.
Therefore its output relays can be configured for non-
latched, latched or pulse operation to match any type of
breaking device.
2.6.1.2 Integrated circuit breaker
This function controls the breaking device. It works in
conjunction with automatic re-closer and hierarchical
interlocking with bypass ability. Detection of breaker
failure when trip command is sent is included.
It performs the following functions:
Trip by
 protection configured to trip the circuit breaker
 remote control by communication (blocked if
remote mode is off)
 external protection
 open command by HMI
Close by
 automatic re-closer
 remote control by communication (blocked if
remote mode is off)
 closing command by HMI
Block by
 trip circuit supervision (TCS)
 SF6 fault
 interlocking
Different internal logic functions are used to prevent
sending of open or close commands to circuit breaker.
They are called interlocking. FPC 200 can check
following interlocking (Table 54) prior to command
execution. Block diagram is presented on Figure 2.36
Interlock
Cause of blocking
Command already in execution
Command already in progress
Trip present
Trip still present
System
Incorrect mode (Local/Remote)
Bay
Open or Close blocked or allowed by external input
Status
Circuit breaker in fault or unknown position
Maximal number of operations
Maximal number of mechanical operations of switchgear element exceeded
I
2
t
Contact worn out
Table 54: Interlocking description.