Product Description; Introduction; Overview - GE C60 Instruction Manual

2 PRODUCT DESCRIPTION

2 PRODUCT DESCRIPTION 2.1 INTRODUCTION
The C60 Breaker Management Relay is a microprocessor based relay designed for breaker monitoring, control and protec-
tion.
Voltage and current metering is built into the relay as a standard feature. Current parameters are available as total wave-
form RMS magnitude, or as fundamental frequency only RMS magnitude and angle (phasor).
The internal clock used for time-tagging can be synchronized with an IRIG-B signal. This precise time stamping allows the
sequence of events to be determined throughout the system. Events can also be programmed (via FlexLogic™ equations)
to trigger oscillography data capture which may be set to record the measured parameters before and after the event for
viewing on a personal computer (PC). These tools significantly reduce troubleshooting time and simplify report generation
in the event of a system fault.
A faceplate RS232 port may be used to connect to a PC for the programming of settings and the monitoring of actual val-
ues. A variety of communications modules are available. Two rear RS485 ports allow independent access by operating and
engineering staff. All serial ports use the Modbus
with baud rates up to 115.2 kbps. The RS232 port has a fixed baud rate of 19.2 kbps. Optional communications modules
include a 10BaseF Ethernet interface which can be used to provide fast, reliable communications in noisy environments.
Another option provides two 10BaseF fiber optic ports for redundancy. The Ethernet port supports MMS/UCA2, Modbus
TCP, and TFTP protocols, and allows access to the relay via any standard web browser (UR web pages). The DNP 3.0 or
IEC 60870-5-104 protocol is supported on a user-specified port, including serial and Ethernet ports.
The relay uses flash memory technology which allows field upgrading as new features are added. The following SINGLE
LINE DIAGRAM illustrates the relay functionality using ANSI (American National Standards Institute) device numbers.
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52
GE Multilin
®
RTU protocol. The RS485 ports may be connected to system computers
50P1 50P2 50P3
TRIP
CLOSE
79
CLOSE
TRIP
50P1 50P2 50P3
C60
Breaker Management Relay
Figure 2–1: SINGLE LINE DIAGRAM
C60 Breaker Management Relay
BF2
50N1 50N2 50N3
METERING
Transducer
TM
FlexElement
Input
50N1 50N2 50N3
BF2

2.1 INTRODUCTION

2.1.1 OVERVIEW

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