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technical d at asheet cliq m din rail power supply 24v 120w 1 phase / drm - 24v120w1pn all parameters are specified at 25c ambient and ac input unless otherwise indicated. www. deltapsu .com ( december 2016 , rev. 01 ) 1 highlights & features ? universal ac input voltage range ? built - in active pfc with up to 92% efficiency ? full power from - 25c to +60c @ 5000m (16400 ft.) ? power boost of 150% up to 7 seconds ? advanced power boost (apb) C protect system and ensure continuing operation when large inrush current detected due wridxow\ordg rqdpxowlsohordgfrqqhfwlrq ? dc o k contact and led indicator for dc ok/ overload ? conformal coating on pcbas to protect against common dust and chemical pollutant s safety standards cb certified for worldwide use model number: dr m- 24v12 0w 1p n unit weight: 0.63 kg (1.39 lb) dimensions (l x w x d): 12 4 x 40 x 117 mm (4.88 x 1.57 x 4.61 inch) general description delta electronics is introducing one of the slimmest din rail industrial power supplies in its class, the cliq m din rail pow er supply series. to fulfill the demands in maritime applications, the product is designed according to major industrial and mariti me (lloyds register) safety standards. other features include compliance with harmonic current iec/en 61000 -3- 2, class a, built - in dc ok contacts, and an led for indicating dc ok and overload conditions. in addition to having power boost of 150% up to 7 seconds, the cliq m series is the first in the cliq family to feature advanced power boost (apb). with multiple loads connected in a system, a large inrush current could be drawn (demanded) due to one fault load. this will be detected by apb. the apb will trip the circuit breaker (circuit breaker with appropriate rating based on the system load) on the current path of the fault load due to high current this thus prevents the system from shutting down while the other connected current paths continue to oper ate without interruption. model information cliq m din rail power supply model number input v oltage range rated output v oltage rated output cur r ent dr m- 24v 120w 1p n 85- 264 vac (88 - 375vdc) 24vdc 5 .0a model numbering dr m ? 24v 12 0w 1 p n din rail cliq m series output voltage output power single phase advanced power boost (apb) n - metal ca se, without class i, div 2 and atex approvals dnv gl dqg$%6 approval for maritime applications ?
technical d at asheet cliq m din rail power supply 24v 120w 1 phase / drm - 24v120w1pn all parameters are specified at 25c ambient and ac input unless otherwise indicated. www. deltapsu .com ( december 2016 , rev. 01 ) 2 specifications input ratings / characteristics nominal input v oltage 100- 240vac applicable for tn - , tt and it mains networks input v oltage range 85 - 264vac continuously operating input fr equency nom. 50- 60hz 3% range (47 - 63hz) nominal dc input voltage 110- 300vdc dc input voltage range* 88- 375vdc continuously operating 100vac 120vac 230vac input cur r ent typ . 1.3 1a 1.09 a 0.60 a at 24v, 5a. refer to fig. 1 max. 1.34a 1.12a 0.62a at 24v, 5a. efficiency typ. 91.09% 91.77% 92.80% at 24v, 5a. refer to fig. 2 min. 90.50% 91.60% 92.70% at 24v, 5a. average efficiency typ. 89.4 9% 89.8 7% 89.59 % at 24v, 1.25a (25% load), 2.50a (50% min. 89.00% 89.40% 89.10% load), 3.75a (75% load) max power dissipation typ. 2.57w 2.16w 1.80w at 24v, 0a . refer to fig. 3 max. 3.70w 3.80w 4.30w at 24v, 0a. typ. 11.69w 10.72w 9.27w at 24v, 5a . refer to fig. 3 max. 12.60w 11.00w 9.40w at 24v, 5a. max inrush cur r ent (cold start) typ. 5.2a 5.5a 10.1 entire temperature range max . 15.0a max inrush energy (cold start) max. 1a 2 s power factor typ. 0.99 0.99 0.93 at 24v, 5a. refer to fig. 4 min. 0.99 0.99 0.91 at 24v, 5a. crest factor max . 1.4 8 1.55 1.71 at 24v, 5a leakage cur r ent (enclosure to neutral) < 0.18ma / 0.46ma < 0.22ma / 0.54ma < 0.45ma / 1.08ma 110vac, 50hz, tn/tt system / it system 132vac, 50hz, tn/tt system / it system 264vac, 50hz, tn/tt system / it system * safety approval according to iec/en/ul 60950 -1.
technical d at asheet cliq m din rail power supply 24v 120w 1 phase / drm - 24v120w1pn all parameters are specified at 25c ambient and ac input unless otherwise indicated. www. deltapsu .com ( december 2016 , rev. 01 ) 3 fig. 1 input current vs output load at 24v fig. 2 efficiency vs output load at 24v fig. 3 max power dissipation vs output load at 24v fig. 4 power factor vs output load at 24v
technical d at asheet cliq m din rail power supply 24v 120w 1 phase / drm - 24v120w1pn all parameters are specified at 25c ambient and ac input unless otherwise indicated. www. deltapsu .com ( december 2016 , rev. 01 ) 4 output ratings / characteristics * nominal output voltage 24vdc factory set point tolerance 0. 2% (initial set point tolerance from factory) output voltage adjustment range 24- 28vdc output current nom. nom. 5.0a / 4.5a 7.5a / 6.75a ( slew rate 0.1 a/ sec) c ontinuously operating at 24v / 28v power boost for 5 seconds at 24v / 28v, refer to the details in the function section output power nom. nom. 120w 180w continuously operating power boost for 5 seconds, refer to the details in the functions section power boost duration typ. max. 5 seconds 7 seconds duration after which output voltage start to droop, refer to the details in the function section at overload & overcurrent protections power boost recovery time typ. 14 seconds required wait duration before next power boost is taken , refer to the details in the function section advanced power boost ( slew rate 0.1 a/ sec) typ. typ. typ. 10a @ 50ms, resistive load 20a @ 2ms, resistive load 20a @ 5ms, resistive load output voltage will drop (r efer to the details in the function section ) line regulation max. 20mv (@ 85- 264 vac input, 100% load) load regulation max. 100mv (@ 85 - 264vac input, 0 - 100% load) pard ** max. 50mvpp 20hz to 20mhz, 50ohm, warm up for 10mins *for power de - rating from 60c to 70c, see power de - rating on page 5. **pard is measured with an ac coupling mode, 5cm wires, and in parallel with 0.1f ceramic capacitor & 47f electrolytic capacitor. 100vac 120vac 230vac rise time max. 20 ms 0f, 24v, 5a max. 50ms 5,000f, 24v, 5a start - up time max. 750ms hold - up time typ. 180 ms at 24v, 2.5a min. 66 ms 66 ms 1 27 ms at 24v, 2.5a typ. 90 ms at 24v, 5a min. 3 4ms 34 ms 65 ms at 24v, 5a dynamic response (overshoot & undershoot o/p voltage) max. 5% @ 0 - 100% load slew rate 0.1 a/ sec (@ 5hz, 50hz & 1khz, 50% duty cycle) start - up with capacitive loads max. 10,000f output capacitance typ. 4 ,300 f built - in output capacitors functional dc ok relay contact rated: 30v at 1a, resistive load the relay contact are normally on (closed) when the output (vout) is greater than 90% of its rated value.
technical d at asheet cliq m din rail power supply 24v 120w 1 phase / drm - 24v120w1pn all parameters are specified at 25c ambient and ac input unless otherwise indicated. www. deltapsu .com ( december 2016 , rev. 01 ) 5 mechanical case cover / chassis aluminium dimensions (l x w x d) 12 4 x 40 x 117 mm (4.88 x 1.57 x 4.61 inch) unit weight 0.63 kg (1.39 lb) indicator green led (dc ok) and red led (overload) cooling system convection terminal input 3 pins (rated 3 00v/35 a) output 6 pins (rated 300v/ 28a) wire input awg 18 -8 output awg 22 - 12 mounting rail standard ts35 din rail in accordance with en 60715 noise (1 meter from power supply) sound pressure level (spl) < 40dba environment surrounding air temperature operating - 25 c to + 70 c (cold start - 40c) storage -40 c to + 85c power de - rating vertical mounting > 60 c de - rate power by 2.5 % / c horizontal mounting > 50 c de - rate power by 2 .5 % / c operating humidity 5 to 95 % rh (non - condensing) operating altitude 0 to 5,0 00 meters (16,400 ft.) for ite application 0 to 2,5 00 meters (8,200 ft.) for industrial application shock test ( non - operating) iec 60068 -2- 27 , 30g (300m/s 2) for a duration of 18ms, 2 times per direction, 6 times in total vibration ( non - operating) iec 60068 -2- 6, 10hz to 500hz @ 30m/s2 (3g peak); 60 min per axis for all x, y, z direction bump test (operating) iec 60068 -2- 29, 10g (100m/s2) for a duration of 11ms, 1,000 times per direction, 6,000 times in total over voltage category iii according to en 50178 / en 60204 - 1 (clearance and creepage distances) and iec 62103 (safety part) pollution degree 2
technical d at asheet cliq m din rail power supply 24v 120w 1 phase / drm - 24v120w1pn all parameters are specified at 25c ambient and ac input unless otherwise indicated. www. deltapsu .com ( december 2016 , rev. 01 ) 6 protections overvoltage 28.8 C 35.2v, selv output, hiccup mode, non - latching (auto -recovery) refer to the details in the function section overload / overcurrent > 150% of rated load current, constant current, hiccup mode (auto -recovery) refer to the details in the function section over temperature < 80c surrounding air temperature @ 100% load, non - latching (auto - recovery) refer to the details in the function section short circuit hiccup mode, non - latching (auto - recovery when the fault is removed) load impedance 100mohm, refer to the details in the function section transient surge voltage protection mov (metal oxide varistor) internal fuse t3.15a degree of protection ip20 protection against shock class i with pe* connection *pe: primary earth reliability data mtbf (as per telcordia sr - 332) 1,831,000 hrs. i/p: 1 00vac, o/p: 24v, 5a , ta: 25c 976,000 hrs. i/p: 100vac, o/p: 24v, 5a, ta: 40c 100vac 230vac expected cap life time* 131,400hrs. o/p: 24v, 5a, ta: 25c 105,121hrs 131,400hrs. o/p: 24v, 5a, ta: 40c 131,400hrs. o/p: 24v, 2.5a, ta: 40c *estimated lifetime when 24 hours operating a day and e - caps manufacturer guarantee at 131,400 hrs ( 15 years ) as maximum limit of lifetime.
technical d at asheet cliq m din rail power supply 24v 120w 1 phase / drm - 24v120w1pn all parameters are specified at 25c ambient and ac input unless otherwise indicated. www. deltapsu .com ( december 2016 , rev. 01 ) 7 safety standards / directives electrical e quipment of m achines en 60204 - 1 (over voltage category iii) electrical equipment for use in electrical power installations en 50178 / iec 62103 safety entry low voltage pelv * (en 60204 -1 ), selv (en 60950 -1) electrical safety siq ul/cul recognized cb scheme en 60950 - 1, en 61558 - 1, en 61558 -2- 16, en 61010 - 1, en 61010 -2- 201 ul 60950 - 1 and csa c22.2 no. 60950 -1 (file no. e191395) iec 60950 - 1, iec 61558 - 1, iec 61558 -2- 16, iec 61010 - 1, iec 61010 -2- 201 industrial control equipment ul/cul listed csa ul 508 and csa c22.2 no. 107.1 - 01 (file no. e315355) csa c22.2 no. 107.1 - 01 (file no. 181564) maritime dnv gl abs ge rmanischer lloyd classified american bureau for shipping pda environmental category: c, emc2 ce in conformance with emc directive 20 1 4/ 30 /e u (only ac input) and low voltage directive 20 14/35/eu material and parts rohs directive 2011/65/eu compliant (en 50581) galvanic isolation 4.54kvac input / output 2.5kvac input / pe 4.54kvac input / dc ok relay contact* * 1.5kvac output / pe 0.5kvac output / dc ok relay contact 1.5kvac dc ok relay contact / pe isolation resistance > 5mohm input to output, 500vdc pe resistance < 0.1ohm *output must be earthed in the final unit in order to comply with pelv requirements according to standard en 60204 - 1. ** recommend to connect dc ok pins to gether with output pins .
technical d at asheet cliq m din rail power supply 24v 120w 1 phase / drm - 24v120w1pn all parameters are specified at 25c ambient and ac input unless otherwise indicated. www. deltapsu .com ( december 2016 , rev. 01 ) 8 emc emissions (ce & re) g eneric standards: en 61000 -6-3 cispr 22, en 55022, cispr 11, en 55011, fcc title 47: class b component power supply for general use en 61204 -3 immunity generic standards: en 55024, en 61000 -6-2 electrostatic discharge iec 61000 -4-2 level 4 criteria a 1) air discharge: 15 kv contact discharge: 8 kv radiated field iec 61000 -4-3 level 3 criteria a 1) 80mhz - 1ghz, 10v/m, 80% modulation (1khz) 1.4ghz - 2ghz, 3v/m, 80% modulation (1khz) 2ghz - 2.7ghz, 1v/m, 80% modulation (1khz) electrical fast transient / burst iec 61000 -4-4 level 4 criteria a 1) 4kv surge iec 61 0 00 -4-5 level 4 criteria a 1) common mode 3) : 4kv differential mode 4) : 2 kv conducted iec 61000 -4-6 level 3 criteria a 1) 150khz - 80mhz, 10vrms power frequency magnetic fields iec 61000 -4-8 criteria a 1) 3 0a/meter voltage dips iec 61000 -4- 11 0% of 100vac 40% of 100vac 70% of 100vac 0% of 200vac 40% of 200vac 70% of 200vac 0% of 200vac 0vac,20ms 40vac, 200ms 70vac, 500ms 0vac, 20ms 80vac, 200ms 140vac, 500ms 0vac, 5000ms criteria a 1) criteria b 2) criteria a 1) criteria a 1) criteria a 1) criteria a 1) criteria b 2) low energy pulse test (ring wave) iec 61000 -4- 12 level 3 criteria a 1) common mode 3) : 2kv differential mode 4) : 1kv harmonic current emission iec/en 61000 -3- 2, class a voltage fluctuation and flicker iec/en 61000 -3-3 voltage sag immunity semi f47 C 0706 80% of 120vac 70% of 120vac 50% of 120vac 96vac, 1000ms 84vac, 500ms 60vac, 200ms criteria a 1) criteria a 1) criteria a 1) 1) criteria a: normal performance within the specification limits 2) criteria b: temporary degradation or loss of function which is self - recoverable 3 ) asymmetrical: common mode (line to earth) 4 ) symmetrical: differential mode (line to line)
technical d at asheet cliq m din rail power supply 24v 120w 1 phase / drm - 24v120w1pn all parameters are specified at 25c ambient and ac input unless otherwise indicated. www. deltapsu .com ( december 2016 , rev. 01 ) 9 block diagram device description 1) input terminal block connector 2) output and dc ok relay contact terminal block connector 3) dc voltage adjustment potentiometer 4) dc ok led (green) 5) overload led (red) 6) universal mounting rail system
technical d at asheet cliq m din rail power supply 24v 120w 1 phase / drm - 24v120w1pn all parameters are specified at 25c ambient and ac input unless otherwise indicated. www. deltapsu .com ( december 2016 , rev. 01 ) 10 dimensions l x w x d: 12 4 x 40 x 117 mm (4.88 x 1.57 x 4.61 inch) engineering data output load de- rating vs surrounding air temperature note 1. p ow er supply components may degrade, or be damaged, when the power supply is continuously used outside the shaded region, r e fer to the graph shown in fig. 1. 2. if the output capacity is not reduced when th e surrounding air temperature > 6 0c (vertical) or >50 c (horizontal) , the device may run into over temperature protection. when activated, the output voltage will go i nto bouncing mode and w ill recover when the surrounding ai r temperature is lowered or the load is reduced as far as necessary to keep the device in working condition. 3. in order for the device to function in the manner intended, it is also necessary to keep a safety distance as recommended in the safety instructio ns while the device is in operation. 4. depending on the surrounding air temperature and output load delivered by the p o wer supply, the device can be very hot! 5. if the device has to be mounted in any other orientation, please contact info@deltapsu.com f or more details. fig. 5 de - rating for vertical mounting orientation > 6 0 c de - rate power by 2.5 % / c de - rating for horizontal mounting orientation > 50 c de - rate power by 2.5 % / c
technical d at asheet cliq m din rail power supply 24v 120w 1 phase / drm - 24v120w1pn all parameters are specified at 25c ambient and ac input unless otherwise indicated. www. deltapsu .com ( december 2016 , rev. 01 ) 11 output load d e- rating vs i nput v oltage assembly & installation the power supply unit (psu) can be mounted on 35mm din rails in accordance with en 60715. for vertical mounting, the device should be installed with input terminal block at the bottom. for horizontal mounting, the device should be installed with input terminal block on the left side. each device is delivered ready to install. 1. tilt the unit upwards and insert it onto the din rail. snap on the din rail as shown in fig. 2.1. 2. push downwards until stopped. 3. press against the bottom front side for locking. 4. shake the unit slightly to ensure that it is secured. 5. to uninstall, pull or slide down the latch with screw driver as shown in fig. 2.2. then slide the power supply unit (psu) in the opposite direction, release the latch and pull out the power supply unit (psu) from the rail. mounting dismounting fig. 6.2 dismounting fig. 6.1 mounting in accordance to en 60950 / ul 60950, flexible cables require ferrules. use appropriate copper cables designed to sustain operating temperature of: 1. 60 c , 60c / 75c for usa 2. at least 90c for canada and iec/en61010 - 1, iec/en61010 -2- 201. ? no output power de - rating for the input voltage range from 85vac to 264vac
technical d at asheet cliq m din rail power supply 24v 120w 1 phase / drm - 24v120w1pn all parameters are specified at 25c ambient and ac input unless otherwise indicated. www. deltapsu .com ( december 2016 , rev. 01 ) 12 safety instructions ? vertical mounting ? an easily accessible disconnecting device shall be provided to disconnect the unit from the mains supply for servicing. ? switch main power off before connecting or disconnecting the device. risk of explosion! ? if the unit is used in a manner not specified by the manufacturer, the protection provided by the equipment may be impaired. ? to guarantee sufficient convection cooling, please refer to the following instructions to ensure suffici ent clearance around the device. vertical mounting: 40mm (1.57 inch) above and 20mm (0.79 inch) below the device as well as a lateral distance of 5mm (0.2 inch) to other units. in case the adjacent device is a heat source, the lateral distance will be 15mm (0.6 inch) . horizontal mounting: 40mm (1.57 inch) above and below the device as well as a lateral distance of 20mm (0.79 inch) to other units. ? the external enclosure where the unit will be installed shall meet the requirements for mechanical, electrical and fire enclosure. ? note that the enclosure of the device can become very hot depending on the ambient temperature and load of the power supply. risk of burns! ? the main power must be turned off before connecting or disconnecting wires to the terminals. ? do not insert any objects into the unit. ? dangerous voltages present for at least 5 minutes after disconnected wires to the terminals. ? the power supplies are built in units and must be installed in a cabinet or room (condensation free environment and indoor lo cation) that is relatively free of conductive contaminants. ? horizontal mounting
technical d at asheet cliq m din rail power supply 24v 120w 1 phase / drm - 24v120w1pn all parameters are specified at 25c ambient and ac input unless otherwise indicated. www. deltapsu .com ( december 2016 , rev. 01 ) 13 functions dc ok relay contacts and led indicator characteristics cliq m status dc ok (green led) overload (red led) dc ok relay contact normal operation on off closed during power boost on off closed overload (vout 90% of adjusted voltage) off flashing open output short circuit off flashing open over temperature off flashing open no input power off off open graph illustrating the start - up time, rise time, and hold - up time start- up time the time required for the output voltage before output voltage rise up, after the input voltage is applied. rise time the time required for the output voltage to change from 0% to 95% of its final steady state set value. hold - up time time between the collapse of the ac input voltage, and the output falling to 95% of its steady state set value.
technical d at asheet cliq m din rail power supply 24v 120w 1 phase / drm - 24v120w1pn all parameters are specified at 25c ambient and ac input unless otherwise indicated. www. deltapsu .com ( december 2016 , rev. 01 ) 14 inrush current inrush current is the peak, instantaneous, input current measured and, occurs when th e input voltage is first applied. for ac input voltages, the maximum peak value of inrush current will occur during the first half cycle of the applied ac voltage. this peak value decreases exponentially during subsequent cycles of ac voltage. dynamic response the power supply output voltage will remains within 5% of its steady state value, when subjected to a dynamic load from 0 to 100% of its rated current. overload & overcurrent protections (auto- recovery) the power supplys overcurrent protection (ocp) will be activated when output current is > 8a typ. in such occurrence, the v o will start to droop (refer to ? and output current will limit to 6.5a typ. after 7sec, refer to ? ) and once the output voltage is below 11vdc typ., the power supply will go into hiccup mode (auto - recovery). the power supply will recover once the fault condition of the ocp is removed and i o is back within the specifications. short circuit protection (auto-recovery) the power supplys output short circuit protection function also provides protection against short circuits. when a short circuit is applied, the output curren t will operate in hiccup mode . the power supply will return to normal operation after the short circuit is removed. overvoltage protection (auto- recovery) the power supplys overvoltage circuit will be activated when its internal feedback circuit fails. the output voltage shall not exceed its specifications defined on page 6 under protections. over temperature protection (auto- recovery) as described in load de - rating section, the power supply also has over temperature protection (otp). in the event of a hi gher operating temperature at 100% load, the power supply will run into otp when the operating temperature is beyond what is recommended in the de - rating graph. when activated, the output voltage will go into bouncing mode until the temperature drops to its normal operating temperature as recommended in the de - rating graph.
technical d at asheet cliq m din rail power supply 24v 120w 1 phase / drm - 24v120w1pn all parameters are specified at 25c ambient and ac input unless otherwise indicated. www. deltapsu .com ( december 2016 , rev. 01 ) 15 power boost ???? ????? ( % ) = ? ? ????? ???? ??????? ?????? ????? ( ? ??? ) = ( ????? ????? ? ? ) + ( ??? - ???? ????? ? ? ) ????? ???? or ??? - ???? ????? = ? ? ??? ????? ???? ? ? ( ????? ????? ? ? ) ? ? ? an example of power boost and average output power power boost peak power (w p ) power boost duration (t p ) duty cycle non - peak power (w n ) non - peak power duration (t n ) total time (t) 150% 180 1 sec 10% 113w 9 sec 1 0 sec 150% 180 5 sec 30% 94 w 11.5 sec 16.5 sec 120% 144 1 sec 1 0% 11 7w 9 sec 1 0 sec 120% 144 5 sec 30% 110w 11 .5 sec 16 .5 sec power boost is the reserve power available constantly that allows reliable startup to support sudden and short spike of loads with high inrush current typically during turn on to remove the need of more expensive higher rat ed power supply unit. after the output has reached its steady state set value, the power supply can support surge loads with a higher short - term power demand up to 150% of maximum rated load (i o max), for a maximum duration of 7 seconds. if the power boost lasts longer than maximum duration, the output current will limit to 6.5a typ. and v o (output voltage) will start to droop, refer to the details in overload & overcurrent protections and the next power boost will be available after power boost recovery ti me defined on page 4. in order to avoid this, need to maintain the duty cycle & recovery time to ensure that average (r.m.s) output power shall not exceed the continuous maximum, see duty cycle calculation below.
technical d at asheet cliq m din rail power supply 24v 120w 1 phase / drm - 24v120w1pn all parameters are specified at 25c ambient and ac input unless otherwise indicated. www. deltapsu .com ( december 2016 , rev. 01 ) 16 advanced power boost (apb) with multiple loads connected in a system and due to one of fault load a large outrush current is drawn (demanded), this will be detected by apb. this apb will trip the circuit breaker (circuit breaker with appropriate rating base on the system load) on the current path of faulty load due to high current. this thus prevents the system from shutting down while the other connected current paths continue to operate without interruption. the following waveforms demonstrate the typical output voltage and output current when apb is activated. fig. 7.1 apb 200% of nominal output current for 50ms fig. 7.2 apb 400% of nominal output current for 2ms fig. 7.3 apb 400% of nominal output current for 5ms external input protection device the unit is protected at the l pin, with an internal fuse that cannot be replaced. the power supply has been tested and appro ved on 20a (ul) and 16a (iec) branch circuits without additional protection device. an external protection device is only required if the supplying branch has an ampacity greater than above. thus, if an external protective device is necessary, or, utilized, pleas e refer a minimum value in instruction sheet with b or c characteristic breaker. 20ms/div 0a 10a output current output voltage 24v 22v 2ms/div 0a 20a output current output voltage 24v 20v dc ok relay contact dc ok relay contact 0a 20a output current output voltage 24v 16.8v 4 ms/div dc ok relay contact
technical d at asheet cliq m din rail power supply 24v 120w 1 phase / drm - 24v120w1pn all parameters are specified at 25c ambient and ac input unless otherwise indicated. www. deltapsu .com ( december 2016 , rev. 01 ) 17 operating mode ? redundant operation step 3. connect the system load to v out . please note that output voltage v out from drr module will be = v o (output voltage of power supply) C v drop * (in drr module). *vdrop will vary from 0.60v to 0.90v (typical 0.65v) depending on the load current and surrounding air temperature. ? parallel operation + output - common signal key load t erminal com dc ok signal t erminal l n pe psu 1 psu 2 drr-20n or drr-20a l n +v 1 Cv 1 l n + C C psu 1 + C load l n +v 2 Cv 2 + psu 2 fig. 8 redundan t operation connection diagram in order to ensure proper redundant operation for the power supply units (psus), the output voltage difference between the two units must be kept at 0.45~0.50v for these 24v supplies. follow simple steps given below to set them up for the redundant operation: step 1. measure output voltage of psu 1 and psu 2. if psu 1 is the master unit, then v o of psu 1 must be higher than psu 2. in order to set the output voltage, individually connect each power supply to 50% of rated load at any line voltage from 85 - 264vac, and set the psu 1 and psu 2 output voltage. step 2. connect the power supply units psu 1 and psu 2 to vin 1 & vin 2, respectively, of the drr - 20n (or 20a) module shown on the right of above diagram. fig. 9 parallel operation connection diagram the power supply units (psus) can also be used for parallel operation in order to increase the output power. the difference in output voltage between the two units must be kept to within 25mv of each other. this difference must be verified with the same output load connected independently to each unit. parameters such as emi, inrush cu rrent, leakage current, pard, start up time will be different from those on the datasheet, when two units are connected in parallel. the user will need to verify that any differences will still allow the two power supplies connected in parallel will work properly in their product/application.
technical d at asheet cliq m din rail power supply 24v 120w 1 phase / drm - 24v120w1pn all parameters are specified at 25c ambient and ac input unless otherwise indicated. www. deltapsu .com ( december 2016 , rev. 01 ) 18 fig. 10 series operation connection diagram ? series operation delta's cliq m can be connect ed in series to increase the out put voltage as shown in figure above. p ower supply from the same product series only be used and with the same rated output current . t he maximum load current should not exceed the smallest rated output current . any number of power supplies can be connected in series, user must no te that output voltage > 60vdc will not meet selv requirements and could be dangerous to user , the total voltage shall not exceed 150vdc. installation a protection against the touching is a must and connect the output ground to earth when output voltage is not selv. a diode in reverse bias must be added across output terminals of each power supply, this is to prevent - v voltage being applied to other power supply in fault conditions such as short circuit across load. during short circuit -v 1 & +v 1 will come across + v 2 & -v 2 which means connecting 2 p ower supplies in opposite polarity an d may cause damage to power supply. with reverse bias diodes in place the voltage across each power supply will be restricted to one diode drop C approximately 0.7v to 1.0v. it is recommended to provide sufficient de - rating for diodes use 2 times the voltage rating of series output voltage. e.g. the two 24v power supplies are connected in series, the total voltage is 48 volts. hence , recommended to use diodes with rev erse voltage rating of 2x48=96 volts. therefore diodes with reverse voltage rating of 100 volts can be used. during the short circuit condition, the current through diodes will be large, hence it is recommended that diodes to be least twice the current rating of the power supply. the turn on would be non - monotonic as the power supply with the fastest startup time and rise time will turn on first. as a result, the startup waveform with 2 power supplies connected in series would see a step. user must co nsider to verify parameters such as emi, inrush current, leakage current, pard, start up time would differ from datasheet numbers as multiple power supplies in series.
technical d at asheet cliq m din rail power supply 24v 120w 1 phase / drm - 24v120w1pn all parameters are specified at 25c ambient and ac input unless otherwise indicated. www. deltapsu .com ( december 2016 , rev. 01 ) 19 fig. 11 dc input operation connection diagram ? dc input operation step 1. use a battery or similar dc source. step 2. connect +pole to l and - pole to n. step 3. connect the pe terminal to an earth wire or to the machine ground. fig. 12 2 of 3 phase system input operation connection diagram ? 2 of 3 phase system input operation delta's cliq m can use on 2 of 3 phase system. please refer to the following step. step 1. the supplying voltage is below the maximum rated input. t he input voltage shall be below 240v ac +10%. step 2. the external protector is needed on n input line to secure a safety. n line has no protection of a f use internally. an appropriate fuse or circuit breaker should be connected on n input line like the following.
technical d at asheet cliq m din rail power supply 24v 120w 1 phase / drm - 24v120w1pn all parameters are specified at 25c ambient and ac input unless otherwise indicated. www. deltapsu .com ( december 2016 , rev. 01 ) 20 others delta rohs compliant restriction of the usage of hazardous substances the european directive 2011/65/e u limits the maximum impurity level of homogeneous materials such as lead, mercury, cadmium, chrome, polybrominated flame retardants pbb and pbde for the use in electrical and electronic equipment. rohs is the abbreviation for restriction of the use of certain hazardous substances in electrical and electronic equipment. this product conforms to this standard. conformal coating the protective coating technology delta electr onics group has designed the perfect dipping technique which penetrates everywhere including under device, and prevents leakage. the conformal coating dipping can be applied to pcb a s or circuit board. the coating preserves the performance of precision electronic primarily by preventing ionizable contaminants such as salt from reaching circuit nodes, where the material slumps around sharp edges. this can be a problem especially in highly conversing atmosphere. pfc C norm en 61000 -3-2 line current harmonic content typically, the input current waveform is not sinusoidal due to the periodical peak charging of the input capacitor. in industrial environment, complying with en 61000 -3- 2 is only necessary under special conditions. complying to this standard can have some technical drawbacks, such as lower efficiency as well a s some commercial aspects such as higher purchasing costs. frequently, the user does not profit from fulfilling this standard, therefore, it is important to know whether it is mandatory to meet this standard for a specific application.

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