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 protectionCadvanced 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-fuorescent 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 certifed control unit (fps-ctu) g current inputs5-a or 1-a secondary phase current transformers g voltage inputsup to 600 v without pts g earth-leakage input5-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 ? , profbus ? , 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 & profbus ? FPS-CTU-04-00 rs-485 & ethernet ordering information simplifed circuit diagram b a rev: 4-a-050213 based on manual rev 0
protection relays & controls ? 2013 littelfuse protection relays & controls littelfuse.com/fps feeder protectionCadvanced phase voltages fps-ctu control unit relay outputs i/0 module digital inputs 4-20 ma analog input + analog output 4-20 ma + 39 40 53 52 43 51 ...... 5 16 ...... 1 2 60 56 20 17 ...... 33 22 control power rs-485 35 37 ...... 30 29 27 26 23 22 phase current tranformers ground-fault current transformer operator interface fps-opi (recommended) (required) (recommended) rtd module mps-rtd (optional) wiring diagram a b c 1 2 specifcations protective functions (ieee device numbers) input voltage 65-265 vac, 25 va; 80-275 vdc, 25 w power-up time 800 ms at 120 vac ride-through time 100 ms minimum 24-vdc source 100 ma maximum ac measurements true rms and dft, peak, 16 samples/cycle, and positive and negative sequence of fundamental frequency 50 or 60 hz inputs phase current, earth-leakage current, phase voltage, 7 digital, 1 analog output contacts 5 contacts see product manual approvals csa certifed, c-tick ( australian ) communications allen-bradley ? dfi and modbus ? rtu (standard); devicenet?, profbus ? , ethernet (optional) conformal coating standard feature warranty 10 years mounting: control unit surface operator interface panel, control-unit mounted overload (49, 51) phase reverse (current) (46) overfrequency (81) overcurrent (50, 51) underfrequency (81) ground fault (50g/n, 51g/n) unbalance (voltage) (47) rtd temperature (38, 49) unbalance (current) (46) phase loss (voltage) (47) overvoltage (59) phase loss (current) (46) undervoltage (27) phase reverse (voltage) (47) power factor (55) features & benefts features ieee # benefits overload 49, 51 long-time overcurrent provides thermal protection for feeder or load inverse-time overcurrent 50, 51 coordination using ieee and iec curves defnite-time overcurrent 50, 51 instantaneous overcurrent to detect catastrophic failure current unbalance/ phase loss/phase reverse 46 detects an open or high-impedance phase ground fault 50g/n, 51g/n inverse and defnite time. early insulation-failure detection. rtd temperature 38, 49 optional protection (mps-rtd module) for load-temperature monitoring overvoltage 59 limits stress to insulation undervoltage 27 detects a damaging brown-out condition voltage unbalance 47 detects unhealthy supply voltage two setting groups minimizes arc-flash hazards during maintenance breaker control allows local and remote operation; reduces component count metering displays the measured and calculated parameters data logging on-board 64-event recorder helps with system diagnosis communications remotely view measured values, event records, & reset trips conformal coating internal circuits are conformally coated to protect against corrosion and moisture fps series feeder protection system rev: 4-a-050213 based on manual rev 0
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