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yr40.241 y-series 12-28v, 40a, d ual r edundancy m odule m osfet r edundancy m odule ? for n+1 and 1+1 redundant systems ? dual input with single output ? suitable for all power supplies ? only 72mv voltage drop at 20a output current ? only 2.15w loss at 20a and 6. 3w at 40a output current ? 160% (65a) peak load capability ? reverse input polarity protection ? full power between -40c and +70c ? width only 36mm ? rugged metal housing ? easy wiring: distribution terminal for negative pole included ? 3 year warranty 1/17 g eneral d escription the yr40.241 is a redundanc y module, which can be used to build 1+1 and n+ 1 redundant systems. it is equipped with two input channels, which can be connected to power supplies with up to 20a output current and one output, which can carry nominal currents up to 40a. the module is suitable for power supplies with constant current overload behavior as well as any kind of hiccup over load behavior. in addition to the yr40.241, th e yr40.242 is also available which is cost-optimized and suitable for all dimension power supplies except the qt20 and qtd20 series. the novelty of this redundancy module is the utilization of mosfets instead of diode s for the decoupling of the two input channels. this re duces the heat generation and the voltage drop between input and output. the redundancy module does not require an additional auxiliary voltage and is self-s ufficient even in case of a short circuit across the output. due to the low power losses, the unit is very slender and only requires 36mm width on the din-rail. large connection terminals allo w for a safe and fast installation with a large intern ational approval package. this unit is suitable for nearly every application. s hort - form d ata input voltage dc 12-28v 30% input voltage range 8.4-36.4vdc input current 2x 0-20a continuous 2x 20-32.5a for 5 seconds output current 0-40a continuous 40-65a for 5 seconds 65a at cont. overload or short circuit input to output voltage drop typ. 72mv typ. 112mv typ. 140mv input: 2x10a input: 1x20a input: 2x20a power losses typ. 700mw at no load typ. 2.15w input: 2x10a typ. 2.65w input: 1x20a typ. 6.3w input: 2x20a temperature range -40c to +70c operational, no de-rating req. dimensions 36x124x127mm *) wxhxd *) plus 4mm in depth for the screw terminal o rder n umbers redundancy yr40.241 12-28v standard unit module accessory zm2.wall wall/ panel mount bracket zm11.side side mount bracket m arkings ind. cont. e q. ul 508 ul 60950-1 class i div 2 iecex atex ii 3g ex na iic t4 gc marine emc, lvd feb. 2014 / rev. 1.3 ds-yr40.241-en all parameters are specified at 24v, 40a output current, 25c ambient and after a 5 minutes run-in time unless otherwise noted www.pulspower.com phone +49 89 9278 0 germany
yr40.241 y-series 12-28v, 40a, d ual r edundancy m odule i ndex page page 1. intended use .......................................................3 2. installation requirements ...................................3 3. input and output characteristics .......................4 4. power losses ........................................................5 5. lifetime expectancy and mtbf ...........................6 6. terminals and wiring ..........................................7 7. functional diagram .............................................8 8. front side and user elements .............................8 9. emc ......................................................................9 10. environment ......................................................10 11. protection features ...........................................11 12. safety features ..................................................11 13. dielectric strength ............................................ 11 14. approvals .......................................................... 12 15. physical dimensions and weight ..................... 13 16. accessories ........................................................ 14 17. application notes ............................................. 15 17.1. recommendations for redundancy .........15 17.2. inductive and capacitive loads ................15 17.3. sidewards installation clearances ............15 17.4. 1+1 redundancy up to 20a ......................16 17.5. n+1 redundancy, example with 60a ......16 17.6. mounting orientations ............................17 the information presented in this document is believed to be accurate and reliable and may change without notice. no part of this document may be reproduced or utilized in any form without permission 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 24v 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) 24vdc 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 1+1 redundancy use of two identical power suppl ies in parallel to provide c ontinued operation following most failures in a single power supply. the two power supply outputs should be isolated from each other by utilizing diodes or other switching arrangements. e. g. two 10a power supplies are needed to achieve a 10a redundant system. n+1 redundancy use of three or more identical power supplies in parallel to provide continued operation following most failures in a single power supply. all power supply outputs should be isolated from each other by utilizing diodes or other switching arrangements. e.g.: to achieve a 40a redundant system, five 10a power supplies are needed in a n+1 redundant system. n+1 redundancy 1+1 redundancy ac dc ac dc ac dc ac dc ac dc ac dc in 1 out in 2 in 1 out in 2 in 1 out in 2 load + - ac dc ac dc load + - in 1 out in 2 feb. 2014 / rev. 1.3 ds-yr40.241-en all parameters are specified at 24v, 40a output current, 25c ambient and after a 5 minutes run-in time unless otherwise noted www.pulspower.com phone +49 89 9278 0 germany 2/17
yr40.241 y-series 12-28v, 40a, d ual r edundancy m odule 1. i ntended u se this redundancy module is desi gned for installation in an encl osure and is intended for th e general use such as in industrial control, office, communicati on, and instrumentation equipment. this redundancy module ca n be used with any type of power supply as long as the maximum ra tings are not exceeded. it is suitable for power supplies with constant current overload behavior as well as any ki nd of hiccup overload behavior. do not use this redundancy module in equipment, where ma lfunction may cause severe pe rsonal injury or threaten human life. this device is designed for use in hazardous, non-hazardous, ordinary or un classified locations. 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. 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 input terminals are located on the top and the output terminals on the bottom of the unit. for other mounting orientat ions see de-rating re quirements of chapter 17.6 in this document. this device is designed for convection cooling and does not require an external fan. do not obstruct airflow and do not cover the ventilation grid (e.g. cable conduits) by more than 30%! keep the following installation clearances: 40mm on top, 20mm on the bottom, 5mm on the left and right sides are recomme nded when the device is loaded permanently with more than 50% of the rated output current. increase the side clearance to 15mm in ca se the adjacent device is a heat source (e.g. another power supply). see also chapter 17.3 for further information in combination with po wer supplies from the puls dimension series. warning risk of electrical shock, fi re, personal injury or death. - 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 open, modify or repair the unit. - 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. notes for use in hazardous location areas: the redundancy module is suitable for use in class i division 2 groups a, b, c, d locations and for use in group ii category 3 (zone 2) environments and is evaluate d according to en 60079-0: 2009 and en 60079-15:2010. warning explosion hazards! substitution of components may impair su itability for this environment. do not disconnect the unit unless power has been switched off or the area is known to be non-hazardous. a suitable enclosure must be provided for the end product which has a mini mum protection of ip54 and fulfils the requirements of the en 60079-15:2010. feb. 2014 / rev. 1.3 ds-yr40.241-en all parameters are specified at 24v, 40a output current, 25c ambient and after a 5 minutes run-in time unless otherwise noted www.pulspower.com phone +49 89 9278 0 germany 3/17
yr40.241 y-series 12-28v, 40a, d ual r edundancy m odule 3. i nput and o utput c haracteristics number of inputs - 2 number of outputs - 1 input voltage nom. dc 12-28v 30% the input circuitry must meet th e selv requirements stipulated by iec/en/ul 60950-1. input voltage range - 8.4-36.4vdc voltage drop, input to output typ. 140mv at 2x20a, see fig. 3-1 typ. 72mv at 2x10a, see fig. 3-1 typ. 112mv at 1x20a, see fig. 3-2 input current nom. 2x 0-20a continuous nom. 2x 20-32.5a for 5 seconds max 2x 32.5a at continuous overload or short circuit peak input current max. 1000a for max. 1ms per input output current nom . 40a continuous nom. 40-65a for 5 seconds max. 65a at continuous overload or short circuit reverse current max. 1ma at 24v, per input, -40c to +70c reverse voltage max. 40vdc voltage applie d to the output, continuously allowed output capacitance typ. 320f note: ensure that the continuous output current does not exceed 65a. check the short-circuit current of the power sources and i f the power source can deliver more than 65a together, use an appropriate fuse on the output. fig. 3-1 input to output voltage drop when both inputs draw current (typical 1+1 redundant case, when the output voltages of the two units are equal) voltage drop, typ 0mv 10a 30a 20mv 40mv 60mv 80mv 100mv 120mv 40a 20a output: a . . . 2 5 c b . . . 6 0 c 2x10a 2x5a input / output current input: 2x20a 2x15a 0 0 140mv 160mv a b v a qs/qt20 24v,20a + - qs/qt20 24v,20a + - v a i 1 i 2 u 1 u 2 i 1 i 2 = u 2 u 1 = voltage drop u 1 = u out - output a v i out u out variable load, 0-40a yr40 input 1 input 2 output fig. 3-2 input to output voltage drop when only one input draws current voltage drop, typ. 0mv 5a 15a 20mv 40mv 60mv 80mv 100mv 120mv 20a 10a a . . . 2 5 c b . . . 6 0 c output current 0 140mv 160mv a b voltage drop u 1 = u out - not used or power supply with lower voltage v a qs/qt20 24v,20a + - i 1 u 1 output a v i out u out variable load, 0-20a yr40 input 1 input 2 output feb. 2014 / rev. 1.3 ds-yr40.241-en all parameters are specified at 24v, 40a output current, 25c ambient and after a 5 minutes run-in time unless otherwise noted www.pulspower.com phone +49 89 9278 0 germany 4/17
yr40.241 y-series 12-28v, 40a, d ual r edundancy m odule 4. p ower l osses dc 24v power losses typ. 2.15w input: 2x10a typ. 6.3w input: 2x20a typ. 2.6w input: 1x20a, (only one input is connected to input voltage) standby power losses typ. 0.35w at no output current, (only one input is connected to input voltage) typ. 0.7w at no output current, (both inputs are connected to input voltages) fig. 4-1 power losses when both inputs draw equal current output v a qs/qt20 24v,20a + - e.g. 24.5v v a i 1 i 2 u 1 u 2 a v i out u out i 1 i 2 = u 2 u 1 =l o s s e s u 1 = u out - * i 1 +) ( * u 2 * i 2 i out qs/qt20 24v,20a + - e.g. 24.5v variable load, 0-40a yr40 input 1 input 2 output power losses, typ. 0 0510 30 1.0 2.0 4.0 5.0 7w 40 a 25 15 20 35 output current a 3.0 a . . . 2 5 c b . . . 6 0 c 6.0 b fig. 4-2 power losses when only one input is used power losses, typ. 0 02.55 15 0.5 1.0 2.0 2.5 4w 20 a 12.5 7.5 10 17.5 output current 1.5 3.0 3.5 a . . . 2 5 c b . . . 6 0 c a b losses u 1 = u out - * i 1 * i out output v a qs/qt20 24v,20a + - i 1 u 1 a v i out u out yr40 input 1 input 2 output variable load, 0-20a note: as soon as voltage is applied on input 2, an additional 0.35w will be consumed. it is not relevant, whether this channel cont ributes to the output current or not. feb. 2014 / rev. 1.3 ds-yr40.241-en all parameters are specified at 24v, 40a output current, 25c ambient and after a 5 minutes run-in time unless otherwise noted www.pulspower.com phone +49 89 9278 0 germany 5/17
yr40.241 y-series 12-28v, 40a, d ual r edundancy m odule 5. l ifetime e xpectancy and mtbf the redundancy module has two input channels which are completely independent from each other. each control circuit, auxiliary voltage source, or ot her circuitry in the module are designed se parately for each input. the dual input redundancy module can be consid ered as two single redundancy modules comb ined together in one housing. the only common point is the circuit trace that ties the two separate circuits together at the output. the mtbf figures below are for the enti re dual input module. if the mtbf numbe r of only one path is needed, simply double the value from the table. input / output current conditions input: 2x10a output: 20a input: 2x20a output: 40a lifetime expectancy *) 649 000h *) 246 000h *) at 24v and 40c 1 835 000h *) 696 000h *) at 24v and 25c mtbf **) sn 29500, iec 61709 3 386 000h 2 706 000h at 24v 40c 5 667 000h 4 686 000h at 24v 25c mtbf **) mil hdbk 217f 116 000h 97 000h ground fixed gf40 (24v and 40c) 155 000h 128 000h ground fi xed gf25 (24v and 25c) 612 000h 522 000h ground beni gn gb40 (24v and 40c) 813 000h 687 000h ground beni gn gb25 (24v and 25c) *) 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. feb. 2014 / rev. 1.3 ds-yr40.241-en all parameters are specified at 24v, 40a output current, 25c ambient and after a 5 minutes run-in time unless otherwise noted www.pulspower.com phone +49 89 9278 0 germany 6/17
yr40.241 y-series 12-28v, 40a, d ual r edundancy m odule 6. t erminals and w iring input output type screw termination ip20 finger safe construction. suitable for field installation. screw termination ip20 finger safe construction. suitable for field installation. solid wire 0.5-6mm 2 0.5-16mm 2 stranded wire 0.5-4mm 2 0.5-10mm 2 american wire gauge 20-10 awg 22-8 awg max. wire diameter 2.8mm (includi ng ferrule) 5.2mm (including ferrule) wire stripping length 7mm / 0.275inch 12mm / 0.5inch screwdriver 3.5mm slotted or pozidrive no 2 3.5mm slotted or pozidrive no 2 recommended tightening torque 0.8n m, 7lb.in 1.2nm, 10.6lb.in to connect the chassis to ground, use a ring-type terminal (rin g cable lug) which is suitable for a m4 screw and connect it to the chassis ground te rminal on top of the unit. instructions: a) the external circuitry of all termi nals must meet the safety requirements stipulated by iec/en/ul 60950-1: selv. b) 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 and 90c for ambient up to 70c minimum. c) follow national installation c odes and installation regulations! d) ensure that all strands of a strande d wire enter the terminal connection! e) screws of unused terminal compa rtments should be securely tightened. f) ferrules are allowed. g) do not connect or disconnect the wi res from the terminals below -25c (-13f). feb. 2014 / rev. 1.3 ds-yr40.241-en all parameters are specified at 24v, 40a output current, 25c ambient and after a 5 minutes run-in time unless otherwise noted www.pulspower.com phone +49 89 9278 0 germany 7/17
yr40.241 y-series 12-28v, 40a, d ual r edundancy m odule 7. f unctional d iagram fig. 7-1 functional diagram + - + - + - input 1 control control input 2 chassis ground output 8. f ront s ide and u ser e lements fig. 8-1 front side a output terminals (screw terminals) b chassis ground terminals to be connected on the top side of the housing with a ring-type terminal (ring cable lug) which is suitable for a m4 screw. connection of the chassis is optional and not required since the unit fulfils the requirements accordin g to protection class iii. c input terminals for input 1 (screw terminals) d input terminals for input 2 (screw terminals) feb. 2014 / rev. 1.3 ds-yr40.241-en all parameters are specified at 24v, 40a output current, 25c ambient and after a 5 minutes run-in time unless otherwise noted www.pulspower.com phone +49 89 9278 0 germany 8/17
yr40.241 y-series 12-28v, 40a, d ual r edundancy m odule 9. emc the redundancy module is suitable for a pplications in industrial environment as well as in residential, commercial and light industry environment without any restrictions. a detailed emc report is available on request. emc immunity according generic standards: en 61000-6-1 and en 61000-6-2 electrostatic disc harge 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 2kv 2kv criterion a criterion a surge voltage on input lines en 61000-4-5 + ? - +/ - ? chassis ground 500v 1kv criterion a criterion a surge voltage on output lines en 61000-4-5 + ? - +/ - ? chassis ground 500v 1kv criterion a criterion a conducted disturbance en 61000-4- 6 0.15-80mhz 20v criterion a power-frequency magnetic field *) en 61000-4-8 50hz 30a/m criterion a criterions: a: redundancy module shows normal operation behavior within the defined limits. notes: *) a test is not applicable according to en 61000-6-2, since the device does not contain components susceptible to magnetic fie lds, e.g. hall elements, electrodynamic microphones, etc. emc emission according generic standards: en 61000-6-3 and en 61000-6-4 conducted emission iec/cispr 16-1-2, iec/cisp r 16-2-1 limits for dc power ports according en 61000-6-3 fulfilled *) radiated emission en 55011, en 55022 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. provided, that power sources connected on the inputs fulfill the requi rements too. switching frequency the internal auxiliary supply is generated with a boost converter. the switching frequency is typ. 16khz. feb. 2014 / rev. 1.3 ds-yr40.241-en all parameters are specified at 24v, 40a output current, 25c ambient and after a 5 minutes run-in time unless otherwise noted www.pulspower.com phone +49 89 9278 0 germany 9/17
yr40.241 y-series 12-28v, 40a, d ual r edundancy m odule 10. e nvironment operational temperature *) -40c to +70c (-40f to 158f) storage temperature -40 to +85c (-40 f to 185f) for storage and transportation humidity **) 5 to 95% r.h. iec 60068-2-30 vibration sinusoidal ***) 2-17.8hz: 1.6mm; 17.8-500hz: 2g 2 hours / axis iec 60068-2-6 shock ***) 30g 6ms, 20g 11ms 3 bumps / direction, 18 bumps in total iec 60068-2-27 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. 10-2 altitude de-rating 2.5a/1000m or 5c/1000m > 2000m (6500ft), see fig. 10-2 over-voltage category not a pplicable the concept of the overvoltage category is used for equipment energized directly from the low voltage mains (i ec 60664-1 4.3.3.2.1). 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. *) 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 mou nting orientation. fig. 10-1 output current vs. ambient temp. fig. 10-2 output current vs. altitude allowed output current 0 0 2000 4000 6000m 10 20 30 40 50 65a n o r m a l m o d e altitude o v e r l o a d / s h o r t c i r c u i t 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 b c allowed output current 0 -40 0 20 40 70c 10 20 30 40 50 65a 60 -25 n o r m a l m o d e a t o v e r l o a d / s h o r t c i r c u i t ambient temperature feb. 2014 / rev. 1.3 ds-yr40.241-en all parameters are specified at 24v, 40a output current, 25c ambient and after a 5 minutes run-in time unless otherwise noted www.pulspower.com phone +49 89 9278 0 germany 10/17
yr40.241 y-series 12-28v, 40a, d ual r edundancy m odule 11. p rotection f eatures output over-current pr otection not included reverse input polarity protection included unit does not start when input voltage is reversed degree of protection ip 20 en/iec 60529 penetration protection > 3.6 mm e.g. screws, small parts over-temperature protection not included input transient protec tion not included output transient protection included see emc section internal input fuse not included 12. s afety f eatures input / output separation no galvanic se paration mosfet betwee n input and output class of protection iii pe (protective earth ) or chassis connection not required pe resistance < 0.1ohm between housing and chassis-ground terminal 13. d ielectric s trength the input and output voltages have th e same reference, are floating and ha ve no ohmic connection to ground. type and factory tests are c onducted by the manufacturer. field tests ma y be conducted in the field using the appropriate test equipment which applies the voltage with a slow ramp (2s up and 2s down). connect input/output terminals together before conducting the test. when testing, set the cut-o ff current settings to the value in the table below. fig. 13-1 dielectric strength a type test 60s 500vac factory test 5s 500vac 11/17 field test 5s 500vac cut-off current setting > 2ma a chassis in- / output - + feb. 2014 / rev. 1.3 ds-yr40.241-en all parameters are specified at 24v, 40a output current, 25c ambient and after a 5 minutes run-in time unless otherwise noted www.pulspower.com phone +49 89 9278 0 germany
yr40.241 y-series 12-28v, 40a, d ual r edundancy m odule 14. a pprovals ec declaration of conformity the ce mark indicates conformance with the - emc directive 2004/108/ec, - low-voltage directive (lvd) 2006/95/ec and - rohs directive 2011/65/eu. the ce mark indicates conformance with the - atex directive 94/9/ec (equipment and protection systems intended for use in potential ly explosive atmospheres) ec declaration of conformity atex cb scheme, information technology equipment iec 60950-1 ul 508 ind. cont. eq. listed for use as industri al control equipment; u.s.a. (ul 508) and canada (c22.2 no. 107-1-01); e-file: e198865 ul 60950-1 recognized for use as information technology equipment, level 5; u.s.a. (ul 60950-1) and canada (c22.2 no. 60950); e-file: e137006 hazloc (class 1 div 2) ansi / isa 12.12.01-2007 listed for use in hazardous location class i div 2 t4 groups a,b,c,d systems; u.s.a. (ansi / isa 12.12.01-2007) and canada (c22.2 no. 213-m1987) suitable for use in category 3 zone 2 locations. number of atex certificate: eps 11 atex 1 312 x the redundancy module must be bu ilt-in in an ip54 enclosure. atex en 60079-0, en 60079-15 ii 3g ex na iic t4 gc iecex iec 60079-0, iec 60079-15 iecex ex na iic t4 gc suitable for use in category 3 zone 2 locations. number of iecex certificate: iecex eps 12.0032x marine gl (germanischer lloyd) classified and abs (american bureau for shipping) pda environmental category: c, emc1 marine and offshore applications gost r certificate of conformity for russia and other gus countries feb. 2014 / rev. 1.3 ds-yr40.241-en all parameters are specified at 24v, 40a output current, 25c ambient and after a 5 minutes run-in time unless otherwise noted www.pulspower.com phone +49 89 9278 0 germany 12/17
yr40.241 y-series 12-28v, 40a, d ual r edundancy m odule 15. p hysical d imensions and w eight weight 340g / 0.75lb din-rail use 35mm din-rails according to en 60715 or en 50022 with a height of 7.5 or 15mm. the din-rail height must be added to the unit depth (127mm) to calculate the total required installation depth. installation clearances see chapter 2 fig. 15-1 front view fig. 15-2 side view feb. 2014 / rev. 1.3 ds-yr40.241-en all parameters are specified at 24v, 40a output current, 25c ambient and after a 5 minutes run-in time unless otherwise noted www.pulspower.com phone +49 89 9278 0 germany 13/17
yr40.241 y-series 12-28v, 40a, d ual r edundancy m odule 16. a ccessories zm2.wall wall mounting bracket this standard bracket is used to mo unt the yr40.241 redundancy modul e onto a flat surface without utilizing a din- rail. fig. 16-1 zm2.wall wall mounting bracket fig. 16-2 assembled wall mounting bracket zm11.side side mounting bracket this bracket is used to mount the yr40.241 redundancy module sideways with or without utilizing a din-rail. the two aluminum brackets and the black pl astic slider of the unit have to be de tached, so that 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. fig. 16-3 zm11.side side mounting bracket fig. 16-4 side mounting with din-rail brackets feb. 2014 / rev. 1.3 ds-yr40.241-en all parameters are specified at 24v, 40a output current, 25c ambient and after a 5 minutes run-in time unless otherwise noted www.pulspower.com phone +49 89 9278 0 germany 14/17
yr40.241 y-series 12-28v, 40a, d ual r edundancy m odule 17. a pplication n otes 17.1. r ecommendations for r edundancy r ecommendations for the configurat ion of redundant power systems: - use separate input fuses for each power supply. - use three-phase power supplies to gain functional safety if one phase fails. - when single-phase power supplies are utilized connect them to different pha ses or mains circuits if possible. - set the power supply in parallel-use mo de if this feature is available - it is desirable to set the output voltages of all power supplies to the same value. 17.2. i nductive and c apacitive l oads the unit is designed to supply any kind of loads, in cluding unlimited capaciti ve and inductive loads. 17.3. s idewards i nstallation c learances the minimum clearance recommenda tions are defined in chapter 2 . normally, the following installation clearance are reco mmended: 40mm on top, 20mm on the bottom, 5mm on the left and right sides when the device is loaded permanently with more than 50% of the rated power. increase this clearance to 15mm in case the ad jacent device is a heat sour ce (e.g. another power supply). the clearance between the power suppl ies and the redundancy module can be re duced to zero under the following conditions: 0mm 0mm 20a load l1 l2 l3 pe + + - - power supply 24v,20a dc- ok l1 l2 l3 pe + + - - power supply 24v,20a dc- ok yr40.241 redundancy module output input 1 input 2 + - + - + - - 1+1 redundancy application with maximum 20a output current. - the power supplies are from the puls dimension series. - the redundancy module is placed between the two power supplies. - the output voltage is set to the same level on both power supplies. feb. 2014 / rev. 1.3 ds-yr40.241-en all parameters are specified at 24v, 40a output current, 25c ambient and after a 5 minutes run-in time unless otherwise noted www.pulspower.com phone +49 89 9278 0 germany 15/17
yr40.241 y-series 12-28v, 40a, d ual r edundancy m odule 17.4. 1+1 r edundancy up to 20a 1+1 redundancy up to 20a requires two 20a pow er supplies and one yr 40.241 redundancy module. fig. 17-1 wiring diagram, 1+1 redundancy, 20a output current l1 l2 pe l3 20a load failure monitor i i i i i i l1 l2 l3 pe + + - - power supply 24v,20a dc- ok l1 l2 l3 pe + + - - power supply 24v,20a dc- ok yr40.241 redundancy module output input 1 input 2 + - + - + - note: use separate mains systems for each power supply whenever it is possible 17.5. n+1 r edundancy , e xample with 60a n+1 redundancy up to 60a requires four 20a pow er supplies and two yr 40.241 redundancy modules. fig. 17-2 wiring diagram, n+1 redundancy, 60a output current 60a load failure monitor i i i i i i i i i l1 l2 pe l3 l1 l2 l3 pe + + - - power supply 24v,20a dc- ok l1 l2 l3 pe + + - - power supply 24v,20a dc- ok yr40.241 redundancy module output input 1 input 2 + - + - + - l1 l2 l3 pe + + - - power supply 24v,20a dc- ok l1 l2 l3 pe + + - - power supply 24v,20a dc- ok yr40.241 redundancy module output input 1 input 2 + - + - + - i i i note: use separate mains systems for each power supply whenever it is possible feb. 2014 / rev. 1.3 ds-yr40.241-en all parameters are specified at 24v, 40a output current, 25c ambient and after a 5 minutes run-in time unless otherwise noted www.pulspower.com phone +49 89 9278 0 germany 16/17
yr40.241 y-series 12-28v, 40a, d ual r edundancy m odule feb. 2014 / rev. 1.3 ds-yr40.241-en all parameters are specified at 24v, 40a output current, 25c ambient and after a 5 minutes run-in time unless otherwise noted www.pulspower.com phone +49 89 9278 0 germany 17.6. m ounting o rientations mounting orientations other than input terminals on the bottom and output on the top require a reduction in continuous output power or a limitation in the maximum allowed ambi ent temperature. the amount of reduction influences the lifetime expectancy of the power supply. therefore, two diffe rent derating curves for continuous 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. 17-3 mounting orientation a (standard orientation) yr40 redundancy module input output output current 0 20 30 40 50 70c 10 20 30 40a 60 a 1 ambient temperature fig. 17-4 mounting orientation b (upside down) yr40 redundancy module input output output current 0 20 30 40 50 70c 10 20 30 40a 60 a 1 ambient temperature fig. 17-5 mounting orientation c (table-top mounting) output current 0 20 30 40 50 70c 10 30 40a 60 20 a 1 a 2 ambient temperature fig. 17-6 mounting orientation d (horizontal cw) yr40 redundancy module input output output current 0 20 30 40 50 70c 10 30 40a 60 20 a 1 a 2 ambient temperature fig. 17-7 mounting orientation e (horizontal ccw) yr40 redundancy module input output output current 0 20 30 40 50 70c 10 30 40a 60 20 a 1 a 2 ambient temperature 17/17

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