Littelfuse FPS Series - Manual

Protection Relays & Controls
© 2013 Littelfuse Protection Relays & Controls
Littelfuse.com/fps
PHASE CT
PHASE CT
GF CT PHASE CT
L2
FPS-CTU
L1
FPS-OPI
(Control Unit)
(Operator Interface)
Feeder Protection–Advanced
FPS SERIES
Feeder Protection System
1
2
Description
The FPS Feeder Protection System monitors voltage
and current to provide a comprehensive package of
17 protective functions. The FPS is a modular system
with integrated protection, breaker control, metering,
and data-logging functions.
Operator Interface (FPS-OPI)
g
Large, bright, 4 x 20 vacuum-fluorescent display
g
Display metered values
g
Access set points
g
Powered by Control Unit
g
Panel mount or attach directly to Control Unit
g
Remote mounting (1.2 km or 4000 ft maximum loop length)
g
1/2 DIN size
g
Hazardous-location certified
Control Unit (FPS-CTU)
g
Current inputs—5-A or 1-A secondary phase
current transformers
g
Voltage inputs—up to 600 V without PTs
g
Earth-leakage input—5-A or 1-A secondary or
sensitive transformer
g
8 digital inputs, 5 relay outputs, 1 analog input and output
g
24-Vdc supply for OPI and RTD modules, and for digital inputs
g
IRIG-B time-code input
g
1/2 DIN size, surface mount
g
RS-485 network communications (Standard)
g
DeviceNet ™ , Profibus ® , or Ethernet communications available
1
2
Phase Current Transformers
Phase CTs are required to detect phase
currents.
Ground-Fault Current Transformer
Zero-sequence current transformer detects
ground-fault current. Available with 5-A
and 30-A primary ratings for low-level pickup.
MPS-RTD Temperature Input Module
Optional module provides 8 inputs to connect
Pt100, Ni100, Ni120, and Cu10 RTDs.
SE-IP65CVR-M Cover
Optional gasketed, transparent cover for
limited access and IP65 protection for an
Operator Interface Module.
B
C
D
Accessories
A
AccESSoRIES REquIREmEnt
FPS-OPI-01-00 Recommended
SE-IP65CVR-M Optional
Phase CTs Required
Ground-Fault CT Recommended
MPS-RTD -01-00 Optional
1
2
oRdERIng numbER communIcAtIonS
FPS-CTU-01-00 RS-485
FPS-CTU-02-00 RS-485 & DeviceNet ™
FPS-CTU-03-00 RS-485 & Profibus ®
FPS-CTU-04-00 RS-485 & Ethernet
Ordering Information
Simplified Circuit Diagram
B A
Rev: 4-A-050213
Based on Manual Rev 0