View CPS20241-60_9070458.PDF datasheet online --- IC-ON-LINE

Datasheet File OCR Text:

cps20.241-60 c-series 24v, 400w, dc/dc c onverter dc/dc c onverter ? en 50155 railway compliant ? conformal coated pc-boards ? built-in redundancy (decoupling mosfet at the output) ? quick-connect spring-clamp terminals ? 77-154vdc wide-range input ? width only 65mm ? efficiency up to 93.7% ? excellent partial load efficiency ? safe hiccup plus overload mode ? minimal inrush current surge ? full power between -40c and +70c ? dc-ok relay contact ? reverse input polarity protected ? 3 year warranty 1/22 g eneral d escription the cps20.241-60 dc/dc converter is designed specifically for railway & tra nsportation applications. it is approved according to th e en 50155 standard, which is an international sta ndard covering electronic equipment used on rolling stock for railway applications. the standard covers aspects such as temperature, humidity, shock, vibration, emi and other parameters. because of these requirements, the unit is equipped with conformal coated pc-boards. the unit features a dc-ok signal contact for remote monitoring, a decoupling mosfet for building redundant power supply sy stems and quick-connect spring-clamp terminals for a reliable connection even when mechanical vibration and shock are involved. the unit also covers an extreme wide temperature range from -40c up to +70c with full output current. this dc/dc converter comes in a very compact housing and requires only 65mm space on the din-rail due to the high efficiency and low power losses. the high efficiency is achieved by utilizing cutting edge technology and other unique design techniques. s hort - form d ata output voltage dc 24.5v adjustment range - not adjustable output current 16.3a output power 400w output ripple max. 70mvpp 20hz to 20mhz ac input voltage - - dc input voltage dc 110v - 30%/ +40% dc input current 3.87a at 110vdc inrush current typ. 6a peak at 110vdc efficiency 93.7% at 110vdc losses 26.9w at 110vdc temperature range -40c to +70c operational derating - not required hold-up time typ. 35ms at 110vdc dimensions 65x124x127mm wxhxd weight 980g / 2.2lb o rder n umbers dc/dc converter cps20.241-60 accessory zm2.wall wall mount bracket zm13.side side mount bracket m arkings emc, lvd aug. 2016 / rev. 1.0 ds-cps20.241-60-en all parameters are specified at 24.5v, 16.3a, 110vdc, 25c ambient and after a 5 minutes run-in time unless otherwise noted. www.pulspower.com phone +49 89 9278 0 germany
cps20.241-60 c-series 24v, 400w, dc/dc c onverter i ndex page page 1. intended use .......................................................3 2. installation requirements ...................................3 3. ac-input ...............................................................4 4. dc-input ...............................................................4 5. input inrush current ...........................................5 6. output .................................................................6 7. hold-up time .......................................................7 8. dc-ok relay contact ..........................................7 9. efficiency and power losses ................................8 10. lifetime expectancy and mtbf ...........................8 11. functional diagram .............................................9 12. terminals and wiring ..........................................9 13. front side and user elements ...........................10 14. emc ....................................................................11 15. environment ......................................................12 16. protection features ...........................................13 17. safety features ..................................................13 18. dielectric strength ............................................14 19. approvals and declarations ..............................15 20. rohs, reach and othe r fulfilled standards .. 15 21. physical dimensions and weight ..................... 16 22. accessories ........................................................ 17 22.1. zm2.wall - wall mounting bracket .......17 22.2. zm13.side - side mounting bracket ........17 23. application notes ............................................. 18 23.1. peak current capability ...........................18 23.2. inductive and capacitive loads ................18 23.3. external input protection .........................19 23.4. output circuit breakers ............................19 23.5. charging of batteries ...............................19 23.6. parallel use to increase output power ....20 23.7. parallel use for redundancy ....................20 23.8. series operation .......................................21 23.9. back-feeding loads ..................................21 23.10. use in a tightly sealed enclosure ............21 23.11. mounting orientations ............................22 the information presented in this docume nt is believed to be a ccurate and reliable and ma y change without notice. no part of this document may be reproduc ed or utilized in any form without pe rmission in writing from the publisher. t erminology and a breviations pe and symbol pe is the abbreviation for p rotective e arth and has the same meaning as the symbol . earth, ground this document uses the term earth which is the same as the u.s. term ground. t.b.d. to be defined, value or de scription will follow later. dc 110v a figure displayed with the ac or dc before the value represents a nominal voltage with standard tolerances (usually 15%) included. e.g.: dc 12v describes a 12v battery disregardi ng whether it is full (13.7v) or flat (10v) 110vdc a figure with the unit (vdc) at the end is a momentary figure without any additional tolerances included. may a key word indicating flexibility of choice with no im plied preference. shall a key word indicating a mandatory requirement. should a key word indicating flexibility of choi ce with a strongly pref erred implementation. aug. 2016 / rev. 1.0 ds-cps20.241-60-en all parameters are specified at 24.5v, 16.3a, 110vdc, 25c ambient and after a 5 minutes run-in time unless otherwise noted. www.pulspower.com phone +49 89 9278 0 germany 2/22
cps20.241-60 c-series 24v, 400w, dc/dc c onverter 1. i ntended u se this device is designed for installation in an enclosure a nd is intended for the general professional use such as in rolling stock for railway applications or in industrial control, office, communi cation, and instrument ation equipment. do not use this dc/dc converter in equipment, where ma lfunction may cause severe pe rsonal injury or threaten human life. 2. i nstallation r equirements this device may only be installed and put into opera tion by qualified personnel. this device does not contain serviceable parts. the tripping of an internal fuse is caused by an internal defect. if damage or malfuncti on should occur during installation or operation, i mmediately turn power off and send unit to the factory for inspection. mount the unit on a din-rail so that the terminals are located on the bo ttom of the unit. for other mounting orientations see de-rating requirements in this document. see chapter 23.11. this device is designed for convection cooling and does not require an external fan. do not obstruct airflow and do not cover ventilation grid (e.g. cable conduits) by more than 15%! keep the following installation clearance s: 40mm on top, 20mm on the bottom, 5mm on the left and right sides are recommended when the device is loaded permanently with more than 50% of th e rated power. increase this clearance to 15mm in case the adjacent device is a heat source (e.g. another power supply). warning risk of electrical shock, fi re, personal injury or death. - do not use the dc/dc converter wit hout proper grounding (protect ive earth). use the term inal on the input block for earth connection and not one of the screws on the housing. - turn power off before working on the devi ce. protect against inad vertent re-powering. - make sure that the wiring is correct by following all local and national codes. - do not modify or repair the unit. - do not open the unit as high voltages are present inside. - use caution to prevent any foreign objects from enteri ng the housing. - do not use in wet locations or in areas wh ere moisture or condens ation can be expected. - do not touch during power-on, and immediatel y after power-off. hot surfaces may cause burns. aug. 2016 / rev. 1.0 ds-cps20.241-60-en all parameters are specified at 24.5v, 16.3a, 110vdc, 25c ambient and after a 5 minutes run-in time unless otherwise noted. www.pulspower.com phone +49 89 9278 0 germany 3/22
cps20.241-60 c-series 24v, 400w, dc/dc c onverter 3. ac-i nput do not operate this dc/dc converter wi th an ac-input voltage. use the cp s20.241 or cps20.241-c1 unit instead. 4. dc-i nput use a battery or a similar dc source. a supply from th e intermediate dc-bus of a frequency converter is not recommended and can cause a malf unction or damage the unit. input voltage nom. dc 110v -30%/+40% input voltage range 77-154vdc 66-77vdc short term for 100ms input current typ. 3.87a at 16.3a and 110vdc input voltage, see fig. 4-3 allowed voltage between input to earth (ground) max. 375vdc continuous, iec 62103 600v peak value, allowed for transients slew rate for voltage between input to earth (ground) max. 1000v/s allowed input ripple voltage max. 15vpp 3vpp 50hz C10khz 10khz C 50khz turn-on voltage typ. 77vdc steady-state va lue, at ambient temperatures between -20c and +70c, see fig. 4-1 typ. 85vdc steady-state value, at -40c ambient temperature shut-down voltage typ. 60vdc steady-state value, see fig. 4-1 start-up delay typ. 900ms see fig. 4-2 rise time typ. 85ms at 16.3a constant current load, 0mf load capacitance, see fig. 4-2 typ. 130ms at 16.3a constant current load, 20mf load capacitance, see fig. 4-2 turn-on overshoot max. 200mv see fig. 4-2 external input protection see recommendations in chapter 23.3 . fig. 4-1 input voltage range fig. 4-2 turn-on behavior, definitions turn-on 77v rated input range max. 500ms v in p out 375vdc 154v shut-down start-up delay rise time overshoot - 5% output voltage input voltage aug. 2016 / rev. 1.0 ds-cps20.241-60-en all parameters are specified at 24.5v, 16.3a, 110vdc, 25c ambient and after a 5 minutes run-in time unless otherwise noted. www.pulspower.com phone +49 89 9278 0 germany 4/22
cps20.241-60 c-series 24v, 400w, dc/dc c onverter fig. 4-3 input current vs. output load 16 02468 0 1 2 3 4 5a output current input current at 110vdc input, typ. 10 12 14 18a 5. i nput i nrush c urrent an active inrush limitation circui t limits the input inrush current af ter turn-on of the input voltage. the charging current into emi suppression capacitors is disregarded in th e first microseconds after switch-on. inrush current max. 13a peak at 110vdc, temperature independent typ. 6a peak at 110vdc, temperature independent inrush energy max. 1a 2 s at 110vdc, temperature independent fig. 5-1 typical input inrush curren t behaviour at nominal load and 25c ambient aug. 2016 / rev. 1.0 ds-cps20.241-60-en all parameters are specified at 24.5v, 16.3a, 110vdc, 25c ambient and after a 5 minutes run-in time unless otherwise noted. www.pulspower.com phone +49 89 9278 0 germany 5/22
cps20.241-60 c-series 24v, 400w, dc/dc c onverter 6. o utput output voltage nom. 24.5v ***) 2%, at 16.3a load current 25.0v ***) 2%, at 0a load current adjustment range min. - fixed output voltage, no ad justments possible line regulation max. 10mv 77-154vdc load regulation typ. 500mv ***) static value, 0a ? 16.3a ripple and noise voltage max. 70mvpp 20hz to 20mhz, 50ohm output current nom. 16.3a continuously available output power nom. 400w c ontinuously available overload behaviour cont. curre nt output voltage > 13vdc, see fig. 6-1 hiccup plus mode *) output voltage < 13vdc, see fig. 6-1 short-circuit cu rrent min. 25a **) load impedance <10mohm, see fig. 6-2 . max. 32a **) load impedance <10mohm, see fig. 6-2 . max. 11a **) average (r.m.s.) current, load impedance 50mohm, see fig. 6-2 . output capacitance typ. 7 000f in cluded inside the dc/dc converter *) hiccup plus mode at heavy overloads (when output voltage falls below 13v), the dc/dc converter delivers continuous output current for 2s. after this, the output is switched off for approx. 18s before a new start attempt is automatically performed. this cycle is repeated as lon g as the overload exists. if the overload has been cleared, the device will operate normally. see fig. 6-2 . **) discharge current of output capacitors is not included. ***) the unit is featured with a soft output regulation characteristic in order to achieve current share between multiple dc/ dc converters, when they are connected in parallel (.g. for redundancy reasons). fig. 6-1 output voltage vs. output current, typ. fig. 6-2 short-circuit on output, hiccup plus mode, typ. output voltage 0 01 8 4 8 12 28v 16 20 24 30a 93 6 15 21 24 12 27 output current continuous current hiccup plus mode output current 0 29a 18s 18s 18s 2s 2s 2s t short -circuit normal operation normal operation aug. 2016 / rev. 1.0 ds-cps20.241-60-en all parameters are specified at 24.5v, 16.3a, 110vdc, 25c ambient and after a 5 minutes run-in time unless otherwise noted. www.pulspower.com phone +49 89 9278 0 germany 6/22
cps20.241-60 c-series 24v, 400w, dc/dc c onverter 7. h old - up t ime the internal capacitor, which supplies th e energy for the hold-up time is isolat ed by a diode to the input voltage. a short on the input line does not discha rge the internal hold-up capacitor. hold-up time typ. 80ms at 8.2a, see fig. 7-1 min. 64ms at 8.2a, see fig. 7-1 typ. 35ms at 16.3a, see fig. 7-1 min. 28ms at 16.3a, see fig. 7-1 fig. 7-1 hold-up time vs. input voltage fig. 7-2 shut-down behavior, definitions 0 20 40 60 100ms 70 90 110 130 150vdc input voltage 80 hold-up time at 16.3a, typ. at 8.2a, min. at 8.2a, typ. at 16.3a, min. - 5% hold-up time output voltage input voltage 8. dc-ok r elay c ontact this feature monitors the output voltage, which is produced by the dc/dc converte r itself. it is inde pendent of a back- fed voltage from a unit connected in parallel to the dc/dc converter output. contact closes as soon as the output voltage reaches 22v. contact opens as soon as the out put voltage falls below 22v. short dips will be extended to a signal length of 100ms. dips shorter th an 1ms will be ignored. contact ratings max. 60vdc 0.3a, 30vdc 1a, 30vac 0.5a resistive load min. 1ma at 5vdc min. permissible load isolation voltage see dielec tric strength table in section 18. fig. 8-1 dc-ok relay contact behavior 100ms 22v < 1ms open open closed closed > 1ms aug. 2016 / rev. 1.0 ds-cps20.241-60-en all parameters are specified at 24.5v, 16.3a, 110vdc, 25c ambient and after a 5 minutes run-in time unless otherwise noted. www.pulspower.com phone +49 89 9278 0 germany 7/22
cps20.241-60 c-series 24v, 400w, dc/dc c onverter 9. e fficiency and p ower l osses efficiency typ. 93.7% at 110v dc input and 16.3a output current average efficiency *) typ. 92.3% 25% at 4.1a, 25% at 8.2a, 25% at 12.2a. 25% at 16.3a power losses typ. 4.7w at 110vdc input and 0a output current typ. 17.4w at 110vdc input and 8.2a output current typ. 26.9w at 110vdc input and 16.3a output current *) the average efficiency is an assumption for a typical application where the dc/dc converter is loaded with 25% of the nomin al load for 25% of the time, 50% of the nominal load for another 25% of the time, 75% of the nominal load for another 25% of the time and w ith 100% of the nominal load for the rest of the time. fig. 9-1 efficiency vs. output current, typ fig. 9-2 losses vs. output current, typ. efficiency 2 4 6 8 12 16a 88 89 90 91 92 93 94% output current 10 14 87 power losses 0 2 6 8 12 14 16a 10 0 15 20 30w 41 0 5 25 output current 10. l ifetime e xpectancy and mtbf lifetime expectancy *) 222 000h *) at 8.2a and 40c 627 000h *) at 8.2a and 25c 151 000h *) at 16.3a and 40c 428 000h *) at 16.3a and 25c mtbf **) sn 29500, iec 61709 571 000h at 16.3a and 40c 932 000h at 16.3a and 25c mtbf **) mil hdbk 217f 238 000h at 16. 3a and 40c, ground benign gb40 322 000h at 16.3a and 25c, ground benign gb25 51 000h at 16.3a and 40c, ground fixed gf40 67 000h at 16.3a and 25c, ground fixed gf25 *) the lifetime expectancy shown in the table indicates the minimum operating hours (service life) and is determined by the lifetime expectancy of the built-in electrolytic capacitors. lifetime expectancy is specified in operational hours and is calculated acc ording to the capacitors manufacturer specification. the manufacturer of the electrolytic capacitors only guarantees a maximum life of up to 15 years (131 400h). any number exceeding this value is a calculated theoretical lifetime which can be used to compare devices. **) mtbf stands for m ean t ime b etween f ailure, which is calculated according to statistical device failures, and indicates reliability of a device. it is the statistical representation of the likelihood of a unit to fail and does not necessarily represent the life of a product. the mtbf figure is a statistical representation of the likelihood of a device to fail. a mtbf figure of e.g. 1 000 000h means that statistically one unit will fail ev ery 100 hours if 10 000 units ar e installed in the field. how ever, it can not be determined if the failed unit has been running for 50 000h or only for 100h. aug. 2016 / rev. 1.0 ds-cps20.241-60-en all parameters are specified at 24.5v, 16.3a, 110vdc, 25c ambient and after a 5 minutes run-in time unless otherwise noted. www.pulspower.com phone +49 89 9278 0 germany 8/22
cps20.241-60 c-series 24v, 400w, dc/dc c onverter 11. f unctional d iagram fig. 11-1 functional diagram + + - - output over- voltage protection boost converter (pre conditioning) output voltage regulator power converter output filter output voltage monitor output power manager temper- ature shut- down + - dc-ok contact dc-ok led dc-ok relay decoupling *) input fuse input filter active inrush limiter reverse polarity and back-feeding protection *) decoupling: this feature utilizes a mosfet instead of a di ode in order to minimize the voltage drop and power losses. 12. t erminals and w iring the terminals are ip20 finger safe con structed and suitable for field- and fa ctory wiring. shipped in open position. input and output dc-ok-signal type bi-stable, quick-connect spring-clamp terminals push-in spring-c lamp terminals solid wire max. 6mm 2 max. 1.5mm 2 stranded wire max. 4mm 2 max. 1.5mm 2 american wire gauge awg20-10 awg26-14 max. wire diameter 2.8mm (including ferrules) 1.5mm (including ferrules) wire stripping length 10mm / 0.4inch 7mm / 0.28inch screwdriver not required 3.5mm slotted (to open the spring) recommended tightening torque not applicable not applicable instructions: a) use appropriate copper cables that are designed for minimum operating temperatures of: 60c for ambient up to 45c and 75c for ambient up to 60c minimum 90c for ambient up to 70c minimum. b) follow national installation c odes and installation regulations! c) ensure that all strands of a strande d wire enter the terminal connection! d) do not use the unit without pe connection. e) ferrules are allowed. aug. 2016 / rev. 1.0 ds-cps20.241-60-en all parameters are specified at 24.5v, 16.3a, 110vdc, 25c ambient and after a 5 minutes run-in time unless otherwise noted. www.pulspower.com phone +49 89 9278 0 germany 9/22
cps20.241-60 c-series 24v, 400w, dc/dc c onverter daisy chaining: daisy chaining (jumping from one dc/dc c onverter output to the next) is allo wed as long as the average output current through one terminal pin does not exceed 25a. if the current is higher, use a se parate distribution terminal block as shown in fig. 12-2 . fig. 12-1 daisy chaining of outputs fig. 12-2 using distribution terminals load + - dc/dc converter + + - - output dc/dc converter + + - - output max 25a! continuous distribution terminals load + - dc/dc converter + + - - output dc/dc converter + + - - output 13. f ront s ide and u ser e lements fig. 13-1 front side a input terminals (quick-connect spring-clamp terminals) + positive input C negative (return) input pe (protective earth) input b output terminals (quick-connect spring-clamp terminals) + positive output C ne gative (return) output c dc-ok relay contact (push-in spring-clamp terminals) the dc-ok relay contact is sync hronized with the dc-ok led. see chapter 8 for details. d dc-ok led (green) on, when the output voltage is >22v. aug. 2016 / rev. 1.0 ds-cps20.241-60-en all parameters are specified at 24.5v, 16.3a, 110vdc, 25c ambient and after a 5 minutes run-in time unless otherwise noted. www.pulspower.com phone +49 89 9278 0 germany 10/22
cps20.241-60 c-series 24v, 400w, dc/dc c onverter 14. emc the dc/dc converter is suitable for rollin g stock railway applications, for applicat ions in industrial environment as well as in residential commercia l and light industry environment without any restrictions. emc immunity according generic standards: en 61000-6-1 and en 61000-6-2 and according to en 50121-3-2 electrostatic discharge en 61000-4-2 contact discharge air discharge 8kv 15kv criterion a criterion a electromagnetic rf field en 61000-4-3 80mhz-2.7ghz 20v/m criterion a fast transients (burst) en 61000-4-4 input lines output lines dc-ok signal (coupling clamp) 4kv 2kv 2kv criterion a criterion a criterion a surge voltage on input en 61000-4-5 + ? - + ? pe, - ? pe 2kv 4kv criterion a criterion a surge voltage on output en 61000-4-5 + ? - + / - ? pe 1kv 2kv criterion a criterion a surge voltage on dc-ok en 61000-4-5 dc-ok signal ? pe 1kv criterion a conducted disturbance en 61000-4- 6 0.15-80mhz 10v criterion a power C frequency magnetic field en 61000-4-8 16.7hz, 50hz 100a/m criterion a power C frequency magnetic field en 61000-4-8 0hz 300a/m criterion a pulsed magnetic field en 61000-4-9 300a/m criterion a criterions: a: dc/dc converter shows normal operation behavior within the defined limits. emc emission according generic standards: en 61000-6-3 and en 61000-6-4 and according to en 50121-3-2 conducted emission input lines cispr 16-1-2, cispr 16-2-1 limi ts for en 50121-3-2 fulfilled, limits for dc power port according en 61000-6-3 fulfilled conducted emission output lines cispr 16-1-2, cispr 16-2-1 limi ts for en 50121-3-2 fulfilled, limits for dc power port according en 61000-6-3 not fulfilled *) radiated emission en 55011, en 55022, en 50121-3-2 class b this device complies with fcc part 15 rules. operation is subjected to fo llowing two conditions: (1) this device may not cause ha rmful interference, and (2) this device must accept any interferenc e received, including interference that may cause undesired operation. *) for information only, not mandatory for en 61000-6-3 switching frequencies the dc/dc converter has two converters wi th two different switching frequencies included. switching frequency 1 70khz to 130khz pfc converte r, input voltage and ou tput power dependent switching frequency 2 80khz to 140khz main converter, output power dependent aug. 2016 / rev. 1.0 ds-cps20.241-60-en all parameters are specified at 24.5v, 16.3a, 110vdc, 25c ambient and after a 5 minutes run-in time unless otherwise noted. www.pulspower.com phone +49 89 9278 0 germany 11/22
cps20.241-60 c-series 24v, 400w, dc/dc c onverter 15. e nvironment conformal coating yes all pc- boards are conformal coated operational temperature *) -40c to +70c (-40f to 158f) continuous operation, reduce output power according fig. 15-1 for input voltages below 100vdc +70c to +85c (185f to 185f) for maximal 10 minutes every hour storage temperature -40 to +85c (-40 f to 185f) for storage and transportation output de-rating 0. 08a/v at +70c or 0.16a/c at 77vdc required for input voltag e smaller than 100vdc in combination with ambient temperatures above +60c (140f). derate linearly between 100vdc and 77vdc or +60c and +70c, see fig. 15-1 . humidity **) 5 to 95% r.h. iec 60068-2-30 vibration sinusoidal 2-17.8h z: 1.6mm; 17.8-500hz: 2g ***) 2 hours / axis iec 60068-2-6; dc/dc converter in operation vibration broadband 1.01grms for 10 minutes; 5-150hz ***) iec 60068-2-64, dc/dc c onverter in operation; tests limits according to en 61373 vibration broadband 5.72grms for 300 minutes; 5-150hz ***) iec 60068-2-64, dc/dc converter not in operation; tests limits according to en 61373 shock 30g 6ms, 20g 11ms, 50g 30ms ***) 3 bumps / direction, 18 bumps in total iec 60068-2-27; dc/dc c onverter in operation shock 50g 30ms ***) 3 bumps / direction, 18 bumps in total iec 60068-2-27, dc/dc converter not in operation; tests limits according to en 61373 altitude 0 to 2000m (0 to 6 560ft) without any restrictions 2000 to 6000m (6 560 to 20 000ft) reduce output power or ambient temperature, see fig. 15-2 iec 62103, en 50178, overvoltage category ii altitude de-rating 24w/1000m or 5c/1000m > 2000m (6500ft), see fig. 15-2 over-voltage category iii iec 62103, en 50178, altitudes up to 2000m ii altitudes from 2000m to 6000m degree of pollution 2 iec 62103, en 50178, not conductive labs compatibility the unit does not re lease any silicone or other labs-criti cal substances and is suitable for use in paint shops. audible noise at load currents below 2a some audi ble noise will be emitted from the dc/dc converter *) operational temperature is the same as the ambient temperature and is defined as the air temperature 2cm below the unit. **) do not energize while condensation is present ***) tested in combination with din-rails according to en 60715 with a height of 15mm and a thickness of 1.3mm and standard orientation. higher levels allowed when using the wall mounting bracket zm2.wall fig. 15-1 output current vs. ambient temp. fig. 15-2 output current vs. altitude allowed output current 0 -40 0 20 40 85c 3 6 9 12 16.3a 18a 60 -20 70 15 a b ambient temperature a...100 to 154vdc, continuous b... 77 to 100vdc, continuous c... for maximal 10 minutes c 0 0 2000m 4000m 6000m 3 6 9 12 15 18a 16.3a allowable output current altitude b c a . . . t a m b < 7 0 c b . . . t a m b < 6 0 c c . . . t a m b < 5 0 c a aug. 2016 / rev. 1.0 ds-cps20.241-60-en all parameters are specified at 24.5v, 16.3a, 110vdc, 25c ambient and after a 5 minutes run-in time unless otherwise noted. www.pulspower.com phone +49 89 9278 0 germany 12/22
cps20.241-60 c-series 24v, 400w, dc/dc c onverter 16. p rotection f eatures output protection electronically protected against overload , no-load and short-circuits *) output over-voltage pr otection typ. 30.5vdc max. 32vdc in case of an internal dc/dc converter defect, a redundant circuit limits the maximum output voltage. the output shuts down and automatically attempts to restart. degree of protection ip 20 en/iec 60529 penetration protection > 5mm e.g. screws, small parts over-temperature protection yes output shut-down with automatic restart input transient protection mo v (metal oxide varistor) internal input fuse dc suitable fuse included not user replaceable reverse input polarity protection yes unit does not start, no signalling *) in case of a protection event, audible noise may occur. 17. s afety f eatures input / output separation selv iec/en 60950-1 pelv iec/en 60204-1, en 50178, iec 62103, iec 60364-4-41 double or reinforced isolation to the input voltage class of protection i pe (protect ive earth) connection required isolation resistance > 5mohm input to output, 500vdc pe resistance < 0.1ohm touch current (leakage current) the leakage current which is produced by th e dc/dc converter itself depends on the input voltage ripple and need to be in vestigated in the final application. for a smooth dc input voltage, the pro duced leakage current is less than 100a. aug. 2016 / rev. 1.0 ds-cps20.241-60-en all parameters are specified at 24.5v, 16.3a, 110vdc, 25c ambient and after a 5 minutes run-in time unless otherwise noted. www.pulspower.com phone +49 89 9278 0 germany 13/22
cps20.241-60 c-series 24v, 400w, dc/dc c onverter 18. d ielectric s trength the output voltage is floating and has no ohmic connection to the ground. type and factory tests are conducted by the manufacturer. field tests may be c onducted in the field using the appropr iate test equipment which applies the voltage with a slow ramp (2s up and 2s down). connect all input-terminals togeth er as well as all ou tput poles before conducting the test. when testing, set the cut-off current settings to the value in the table below. fig. 18-1 dielectric strength a b c d type test 60s 2500vac 3000vac 1000vac 500vac factory test 5s 2500vac 2500vac 500vac 500vac field test 5s 2000vac 2000vac 500vac 500vac cut-off current setting > 15ma > 15ma > 20ma > 1ma ad c b b *) - + input dc-ok earth, pe output - + to fulfil the pelv requirements a ccording to en60204- 1 6.4.1, we recommend that either the + pole, the C pole or any other part of the output circuit shall be conne cted to the protective earth system. this helps to avoid si tuations in which a load starts unexpectedly or can not be swit ched off when unnoticed earth faults occur. b*) when testing input to dc-ok ensure that the max. voltage between dc-ok and the output is not exceeded (column d). we recomm end connecting dc-ok pins and the output pins together when performing the test. aug. 2016 / rev. 1.0 ds-cps20.241-60-en all parameters are specified at 24.5v, 16.3a, 110vdc, 25c ambient and after a 5 minutes run-in time unless otherwise noted. www.pulspower.com phone +49 89 9278 0 germany 14/22
cps20.241-60 c-series 24v, 400w, dc/dc c onverter 19. a pprovals and d eclarations ec declaration of conformity the ce mark indicates conformance with the - emc directive and the - low-voltage directive railway applications - electronic equipment used on rolling stock. en 50155:2007 the manufacturers declaration indicate conformance with the following characteristics: - altitude category: ax (en 50125-1 4.2.1) - environmental category: tx (en 50155 4.1.2) - interruption of voltage supply: s2 (en 50155 5.1.1.2) - supply change over: c2 (en 50155 5.1.3) - shock and vibration: category 1, class a and b (en 61373) - emi: en 50121-3-2 - fire classification: hl3 (en 45545-2) 20. r o hs, reach and o ther f ulfilled s tandards rohs directive directive 2011/65/eu of the european parliament and the council of june 8 th , 2011 on the restriction of the use of certain hazardous substances in electrical and electronic equipment. reach directive directive 1907/2006/eu of the european parliament and the council of june 1 st , 2007 regarding the registration, evaluation, authorisation a nd restriction of chemicals (reach) aug. 2016 / rev. 1.0 ds-cps20.241-60-en all parameters are specified at 24.5v, 16.3a, 110vdc, 25c ambient and after a 5 minutes run-in time unless otherwise noted. www.pulspower.com phone +49 89 9278 0 germany 15/22
cps20.241-60 c-series 24v, 400w, dc/dc c onverter 21. p hysical d imensions and w eight width 65mm 2.56 height 124mm 4.88 depth 127mm 5.0 the din-rail height must be added to the unit depth to calculate the total required installation depth. weight 980g / 2.2lb din-rail use 35mm din-rails according to en 60715 or en 50022 with a height of 7.5 or 15mm. housing material body: aluminium alloy cover: zinc-plated steel installation clearances see chapter 2 fig. 21-1 front view fig. 21-2 side view aug. 2016 / rev. 1.0 ds-cps20.241-60-en all parameters are specified at 24.5v, 16.3a, 110vdc, 25c ambient and after a 5 minutes run-in time unless otherwise noted. www.pulspower.com phone +49 89 9278 0 germany 16/22
cps20.241-60 c-series 24v, 400w, dc/dc c onverter 22. a ccessories 22.1. zm2.wall - w all m ounting b racket this bracket is used to mount the dc/dc converter onto a flat surface wit hout utilizing a din-rail. due to the small size of the unit, it is required that the black-din-rail slide on the back of the unit must be removed. instructions how to do this can be found in the manual of the zm2.wall. 22.2. zm13.side - s ide m ounting b racket this bracket is used to mount dime nsion units sideways with or without utilizing a din-rail. the two aluminum brackets and the black plastic slider of the unit have to be detached, so th at the steel brackets can be mounted. for sideway din-rail mounting, the remo ved aluminum brackets and the black pl astic slider need to be mounted on the steel bracket. side mounting with din-rail brackets side mounting without din-rail brackets aug. 2016 / rev. 1.0 ds-cps20.241-60-en all parameters are specified at 24.5v, 16.3a, 110vdc, 25c ambient and after a 5 minutes run-in time unless otherwise noted. www.pulspower.com phone +49 89 9278 0 germany 17/22
cps20.241-60 c-series 24v, 400w, dc/dc c onverter 23. a pplication n otes 23.1. p eak c urrent c apability the dc/dc converter can deliver peak cu rrents (up to several millis econds) which are higher th an the specified short term currents. this helps to start current demanding loads. solenoids, contactors and pneumatic modules often have a steady state coil and a pick-up coil. the inrush current demand of the pick-up coil is several times higher than the steady-state current and usually exceeds the nominal output current. the same situation applies when starting a capacitive load. the peak current capability also ensures the safe operati on of subsequent circuit breakers of load circ uits. the load branches are often individually protected with circuit breakers or fuses. in ca se of a short or an overload in one branch circuit, the fuse or circuit breaker need a certain amount of over-current to open in a timely manner. this avoids voltage loss in adjacent circuits. the extra current (peak current) is supplie d by the built-in large sized output ca pacitors of the dc/d c converter. the capacitors get discharged duri ng such an event, which causes a voltage di p on the output. the following two examples show typical voltage dips: fig. 23-1 peak load with 2x the nominal current for 50ms, typ. fig. 23-2 peak load with 5x the nominal current for 5ms, typ. 10ms/div output voltage output current 24v 0a 32.6a 17v 1ms/div output voltage output current 24v 0a 81.5a 9v 32.6a peak load (resistive) for 50ms output voltage dips from 24.5v to 17v. 81.5a peak load (resistive) for 5ms output voltage dips from 24.5v to 9v. peak current voltage dips typ. from 24.5v to 17v at 32.6a for 50ms, resistive load typ. from 24.5v to 18v at 81. 5a for 2ms, resistive load typ. from 24.5v to 9v at 81. 5a for 5ms, resistive load 23.2. i nductive and c apacitive l oads the unit is designed to supply any kind of loads, including capacitive and inductive loads. if extreme large capacitors, such as edlcs (electric double layer capa citors or ultracaps) with a capacita nce > 0.5f are connected to the output, the unit might charge the capacitor in the hiccup plus -mode (see chapter 6 ). aug. 2016 / rev. 1.0 ds-cps20.241-60-en all parameters are specified at 24.5v, 16.3a, 110vdc, 25c ambient and after a 5 minutes run-in time unless otherwise noted. www.pulspower.com phone +49 89 9278 0 germany 18/22
cps20.241-60 c-series 24v, 400w, dc/dc c onverter 23.3. e xternal i nput p rotection the unit is tested and approved for bran ch circuits up to 30a (ul) and 32a (i ec). an external protection is only required if the supplying branch has an am pacity greater than this. provided, that the negative pole is grounded. if the positive pole is grounded, an additiona l external fast-acting input fuse in the negative input is required. check also local codes and local requirements. in some countries local regulations might apply. if an external fuse is necessary or utilized, minimum requirements need to be considered to avoid nuisance tripping of the circuit breaker. a mi nimum value of 10a b- or c-char acteristic breaker should be used. 23.4. o utput c ircuit b reakers standard miniature circuit breakers (mcbs or ul 1077 circuit breakers) are commonl y used for ac-supply systems and may also be used on 24v branches. mcbs are designed to protect wires and ci rcuits. if the ampere value and the char acteristics of the mcb are adapted to the wire size that is used, the wiring is considered as thermally safe rega rdless of whether the mcb opens or not. to avoid voltage dips and under-voltage situations in adjacent 24v branches wh ich are supplied by the same source, a fast (magnetic) tripping of the mcb is desired. a quick shutdown within 10ms is necessary corresponding roughly to the ride-through time of plc's. this re quires dc/dc converters with high current reserves and large output capacitors. furthermore, the impedance of the faulty branch must be sufficiently small in or der for the current to actually flow. the best current reserve in the dc/dc converter does not help if ohms law does not permit current flow. the following table has typical test results showing which b- and c-cha racteristic mcbs magnetica lly trip depending on the wire cross section and wire length. fig. 23-3 test circuit maximal wire length *) for a fast (magnetic) tripping: 0.75mm2 1.0mm2 1.5mm2 2.5mm2 c-2a 30m 40m 49m 85m c-3a 19m 24m 35m 52m c-4a 11m 15m 22m 31m c-6a 4m 6m 8m 11m c-8a 1m 1m 2m 3m c-10a 1m 1m 2m 3m b-6a 10m 14m 22m 34m b-10a 3m 5m 10m 13m mcb power supply ac dc + - + - load wire length s1... fault simulation switch s1 b-13a 2m 4m 7m 10m *) dont forget to consider twice the distance to the load (or cable length) when calculating the total wire length (+ and C wi re). 23.5. c harging of b atteries the dc/dc converter can not be used to charge batteries. aug. 2016 / rev. 1.0 ds-cps20.241-60-en all parameters are specified at 24.5v, 16.3a, 110vdc, 25c ambient and after a 5 minutes run-in time unless otherwise noted. www.pulspower.com phone +49 89 9278 0 germany 19/22
cps20.241-60 c-series 24v, 400w, dc/dc c onverter 23.6. p arallel u se to i ncrease o utput p ower cps20.241-60 dc/dc converters can be pa ralleled to increase the output power as long as the ambient temperature stays below 60c. energize all units at the same ti me to avoid the overload hiccup plus mode. it also might be necessary to cycle the input power (turn-off for at least five se conds), if the output was in hiccup plus mode due to overload or short circuits and the required output current is higher than the current of one unit. if more than three units are connected in parallel, a fuse or circui t breaker with a rating of 20a or 25a is required on each output. alternatively, a diode or redundancy module can also be utilized. fig. 23-4 parallel use to increase the output power instructions for parallel use: unit a unit b - + - + load + - input output input output - keep an installation clearance of 15mm (left / right) between two dc/dc converters and avoid installing the dc/dc converters on top of each other. - do not parallel dc/dc conve rters in orient ations other than the standard mounting orientation (terminals on bottom of the unit) or in any other condition where a derating of the output current is required (e.g. altitude, temperature, input voltages). - pay attention that emi and inrush current will increase when using multiple dc/dc converters. 23.7. p arallel u se for r edundancy cps20.241-60 dc/dc converters can be pa ralleled for redundancy to gain higher system availability. redundant systems require a certain amount of extra power to support the load in case one dc/dc co nverter unit fails. the simplest way is to put two dc/dc converters in paralle l. this is called a 1+1 redundancy. in ca se one dc/dc converter unit fails, the other one is automatically able to su pport the load current without any inte rruption. redundant systems for a higher power demand are usually built in a n+1 method. e.g. five dc/dc converter, eac h rated for 16a are paralleled to build a 64a redundant system. for n+1 redundancy the same restrictions apply as for in creasing the output power, see also section 23.6 . since the cps20.241-60 already has decouplin g mosfets included, which cover failures such as an internal short circuit in the secondary side of the dc/dc converter, no additional redundancy modules are required. fig. 23-5 redundant power design 24v 20a load + - pe failure monitor pe cps20.241-60 24.5v 400w power supply + + - - dc- ok input output + - i i pe cps20.241-60 24.5v 400w power supply + + - - dc- ok input output + - recommendations for buil ding redundant power systems: - use separate input fuses for each dc/dc converter. - monitor the individual dc/dc converter units. use the dc-ok relay contact of the cps20.241-60. aug. 2016 / rev. 1.0 ds-cps20.241-60-en all parameters are specified at 24.5v, 16.3a, 110vdc, 25c ambient and after a 5 minutes run-in time unless otherwise noted. www.pulspower.com phone +49 89 9278 0 germany 20/22
cps20.241-60 c-series 24v, 400w, dc/dc c onverter 23.8. s eries o peration dc/dc converters of the same type can be connected in series for higher output vo ltages. it is possible to connect as many units in series as needed, providing the sum of th e output voltage does not exceed 150vdc. voltages with a potential above 60vdc are not selv any more and can be da ngerous. such voltages must be installed with a protection against touching. avoid return voltage (e.g. from a de celerating motor or battery) which is applied to the output terminals. fig. 23-6 parallel use to increase the output power instructions for series use: unit a input output unit b - + - + load + - input output - keep an installation clearance of 15mm (left / right) between two dc/dc converters and avoid installing the dc/dc converters on top of each other. - do not use dc/dc converte rs in series in mounting orientations other than the standard mounti ng orientation (terminals on bottom of the unit). - pay attention that emi and inrush current will increase when using multiple dc/dc converters. 23.9. b ack - feeding l oads loads such as decelerating motors and in ductors can feed voltage back to the dc /dc converter. this feature is also called return voltage immunity or resistance against back- e.m.f. ( e lectro m agnetic f orce). this dc/dc converter is resistant and does not show malfunctioning when a lo ad feeds back voltage to the dc/dc converter. it does not matter whether the dc/dc converter is on or off. the maximum allowed feed -back-voltage is 35vdc. 23.10. u se in a t ightly s ealed e nclosure when the dc/dc converter is installed in a tightly sealed enclosure, the temp erature inside the enclosure will be higher than outside. in such situati ons, the inside temperature defines th e ambient temperature for the dc/dc converter. the following measurement results can be used as a reference to estimate the temperature rise inside the enclosure. the dc/dc converter is placed in th e middle of the box, no other heat producing items are inside the box enclosure: rittal typ ip66 box pk 9522 100, plastic, 254x180x165mm load: 24v, 13a; (=80%) lo ad is placed outside the box input: 110vdc temperature inside enclosure: 44.5c (i n the middle of the right side of the dc /dc converter with a distance of 2cm) temperature outside enclosure: 23.2c temperature rise: 21.3k aug. 2016 / rev. 1.0 ds-cps20.241-60-en all parameters are specified at 24.5v, 16.3a, 110vdc, 25c ambient and after a 5 minutes run-in time unless otherwise noted. www.pulspower.com phone +49 89 9278 0 germany 21/22
cps20.241-60 c-series 24v, 400w, dc/dc c onverter aug. 2016 / rev. 1.0 ds-cps20.241-60-en all parameters are specified at 24.5v, 16.3a, 110vdc, 25c ambient and after a 5 minutes run-in time unless otherwise noted. www.pulspower.com phone +49 89 9278 0 germany 23.11. m ounting o rientations mounting orientations ot her than all terminals on the bottom require a reduction in continuous output power or a limitation in the maximum allowed ambien t temperature. the amount of reduction influences the lifetime expectancy of the dc/dc converter. therefore, tw o different derating curves for cont inuous operation can be found below: curve a1 recommended output current. curve a2 max allowed output current (res ults in approximately half the lifetime expectancy of a1). fig. 23-7 mounting orientation a (standard orientation) dc/dc converter output input output current 0 20 30 40 50 70c 5a 10a 15a 20a 60 a 1 ambient temperature 16.3a fig. 23-8 mounting orientation b (upside down) dc/dc converter output input output current 0 20 30 40 50 70c 5a 10a 15a 20a 60 ambient temperature a 2 a 1 16.3a fig. 23-9 mounting orientation c (table-top mounting) output current 0 20 30 40 50 70c 4a 10a 15a 20a 60 ambient temperature a 1 a 2 16.3a fig. 23-10 mounting orientation d (horizontal cw) dc/dc converter output input output current 0 20 30 40 50 70c 5a 10a 15a 20a 60 ambient temperature a 1 a 2 16.3a fig. 23-11 mounting orientation e (horizontal ccw) dc/dc converter output input output current 0 20 30 40 50 70c 5a 10a 15a 20a 60 ambient temperature a 1 a 2 16.3a 22/22

▲Up To Search▲

Price & Availability of CPS20241-60

	To Download CPS20241-60 Datasheet File
If you can't view the Datasheet, Please click here to try to view without PDF Reader .