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Applications

9.3 Series connection for increased voltage

SITOP PSU400M

Manual, 05.2018, C98130-A7601-A1-5-7629

9.3

Series connection for increased voltage

To achieve an output voltage of 48 V DC, two 24 V SITOP power supplies of the same type

can be connected in series.
Depending on the grounding point of the secondary output voltages, voltages of +48 V,

±24 V or -48 V can be realized.

Note
For additional details, see Catalog KT 10.1 Chapter 15 Technical information and configuring

(see

http://w3app.siemens.com/mcms/infocenter/content/en/Pages/order_form.aspx?nodeKey=ke

y_518431&infotype=catalogs

)).

WARNING

SELV is not guaranteed in the case of a fault
When connecting two power supplies in series, the continuous, permissible SELV voltage

of a maximum of 60 VDC according to EN 60950-1 cannot be guaranteed in the case of a

fault.

Figure 9-3

Series connection

Содержание SITOP PSU400M

Страница 1: ..._ ___________________ SITOP power supply SITOP PSU400M Manual SITOP PSU400M 24 V 20 A 6EP1536 3AA00 SITOP PSE400M 6EP1566 3AA00 05 2018 C98130 A7601 A1 5 7629 Overview Safety instructions 1 Description device design dimension drawing 2 Mounting removal 3 Mounting position mounting clearances 4 Installation 5 Technical data 6 Safety approvals EMC 7 Ambient conditions 8 Applications 9 Environment 10...

Страница 2: ...operated only by personnel qualified for the specific task in accordance with the relevant documentation in particular its warning notices and safety instructions Qualified personnel are those who based on their training and experience are capable of identifying risks and avoiding potential hazards when working with these products systems Proper use of Siemens products Note the following WARNING S...

Страница 3: ...his can prevent expensive workpieces from being destroyed The key benefits of the product include Rated input voltage 600 V DC Operating voltage range 200 300 900 V DC High degree of efficiency up to 95 Output voltage can be adjusted in the range 24 28 8 V Ambient temperature 25 70 C derating from 60 C Brief overload capability of 150 for 5 s min extra power No lateral mounting clearances are requ...

Страница 4: ...ge rise limiter Type Order number Input 600 V DC Output 600 V DC 6EP1566 3AA00 Accessories Type Order number Device identification labels 20 mm 7 mm pastel turquoise 3RT1900 1SB20 Validity This manual provides information on the following products SITOP PSU400M Article No 6EP1536 3AA00 Product State 2 Changes with respect to the previous version PS 1 modified input voltage range and derating of th...

Страница 5: ...splays and signaling 14 2 5 Selector switch 15 2 6 Block diagram 17 2 6 1 PSU400M 17 2 6 2 Voltage rise limiter 18 2 7 Dimensions and weight 19 3 Mounting removal 21 4 Mounting position mounting clearances 23 4 1 Standard mounting position 23 4 2 Other mounting positions 24 5 Installation 27 5 1 Line side connection 27 5 2 Output side connection 29 6 Technical data 31 6 1 Input 31 6 2 Output 35 6 ...

Страница 6: ...MC 43 8 Ambient conditions 45 9 Applications 47 9 1 Parallel connection to increase the power rating 47 9 2 Parallel connection for redundancy 49 9 3 Series connection for increased voltage 50 9 4 Overload protection in the 24 V output circuit 51 9 5 Protection against longer failure of the power supply voltage 52 10 Environment 55 11 Service Support 57 ...

Страница 7: ...al injury as well as extensive property damage Only appropriately qualified personnel may work on or in the vicinity of this equipment Perfect safe and reliable operation of this equipment is dependent on proper transportation storage installation and mounting Before installation or maintenance work can begin the system s main switch must be switched off and measures taken to prevent it being swit...

Страница 8: ...Safety instructions SITOP PSU400M 8 Manual 05 2018 C98130 A7601 A1 5 7629 ...

Страница 9: ...voltage that can be set via a potentiometer is available at the output of the device The output of the device is isolated no load proof and short circuit proof The LED display indicates the operating status The operating state of the device can be processed via the signaling contact DC input DC output Signaling contact 24 28 8 V potentiometer Indicator lights 24 V O K OVERLOAD SHUTDOWN A B C selec...

Страница 10: ...d as ballast for the PSU400M 24 V 20 A power supply A filter is integrated in the ballast to improve the EMC of power supply PSU400M only applicable for product version 1 It is not permissible that a 6EP1566 3AA00 ballast device is connected in parallel or in series with a second ballast device DC input DC output DIN rail slider Convection Clearance above below Figure 2 2 6EP1566 3AA00 design ...

Страница 11: ...plied see Section Installation Page 27 The operating state of the device can be processed via the signaling contact function and contact rating see Chapter Operating displays and signaling Page 14 Connections and terminal designations 6EP1536 3AA00 Line input 600 V DC One screw terminal each Line input PE 1 screw terminal output 2 screw terminals output 2 screw terminals Output PE 1 screw terminal...

Страница 12: ...00M 12 Manual 05 2018 C98130 A7601 A1 5 7629 2 2 2 Voltage rise limiter Connections and terminal designations 6EP1566 3AA00 DC input One screw terminal each Line input PE 1 screw terminal DC output One screw terminal each line output PE 1 screw terminal Figure 2 4 Terminal data for 6EP1566 3AA00 ...

Страница 13: ...xample to compensate voltage drops across long supply lines to the connected load Figure 2 5 Potentiometer NOTICE Thermal overload possible When adjusting the output voltage to 24 V the output current must be derated by 4 V or the permissible ambient temperature must be taken into account with 3 C V Note It is only permissible to use an insulated screwdriver when actuating the potentiometer For no...

Страница 14: ...green 5 1 off Signaling contact 3 contacts 13 14 open quiescent posi tion No supply voltage Green LED 5 1 lit Signaling contact 3 contacts 13 14 closed Normal operation output voltage 20 V 0 5 V Green LED 5 1 flashing Signaling contact 3 contacts 13 14 open quiescent posi tion Output voltage 0 V during delayed start Yellow LED 5 2 lit Signaling contact 3 contacts 13 14 open quiescent posi tion Ove...

Страница 15: ...A7601 A1 5 7629 15 2 5 Selector switch Figure 2 6 Selector switch The different operating modes can be selected using selector switch You can choose one of the following modes A Parallel or single mode B Selectable overload response constant current characteristic or latching shutdown C Delayed start ...

Страница 16: ...atching shutdown If the output current rises above the rated value and above the current limit the device reduces the output voltage see Figure 6 8 Output char acteristic latching shutdown Page 37 If the output voltage falls below 20 V the device shuts down latching the red LED lights up This limit voltage of 20 V is independent of the set output voltage The Short time overload cur rent feature is...

Страница 17: ...Description device design dimension drawing 2 6 Block diagram SITOP PSU400M Manual 05 2018 C98130 A7601 A1 5 7629 17 2 6 Block diagram 2 6 1 PSU400M Figure 2 7 Block diagram 6EP1536 3AA00 ...

Страница 18: ...ion drawing 2 6 Block diagram SITOP PSU400M 18 Manual 05 2018 C98130 A7601 A1 5 7629 2 6 2 Voltage rise limiter Figure 2 8 Block diagram for 6EP1566 3AA00 product version 1 Figure 2 9 Block diagram for 6EP1566 3AA00 product version 2 ...

Страница 19: ...400M Manual 05 2018 C98130 A7601 A1 5 7629 19 2 7 Dimensions and weight Figure 2 10 Dimension drawing 6EP1536 3AA00 Figure 2 11 Dimension drawing for 6EP1566 3AA00 6EP1536 3AA00 24 V 20 A 6EP1566 3AA00 Dimensions W H D in mm 90 125 120 70 125 120 Weight approx 1 2 kg Approx 0 5 kg ...

Страница 20: ...Description device design dimension drawing 2 7 Dimensions and weight SITOP PSU400M 20 Manual 05 2018 C98130 A7601 A1 5 7629 ...

Страница 21: ... that it is directly to the right of the PSU400M 24 V 20 A power supply The cable from the output of the ballast device to the PSU400M power supply must be as short as possible for EMC related reasons 20 cm Mounting To mount the device position it with the mounting rail guide at the upper edge of the standard mounting rail and press down to lock it into place If this is too difficult press slider ...

Страница 22: ...Mounting removal SITOP PSU400M 22 Manual 05 2018 C98130 A7601 A1 5 7629 Figure 3 1 Mounting removal ...

Страница 23: ...ect cooling A clearance of at least 50 mm should be maintained above and below the device maximum depth of the cable duct 50 mm No space is required at the side Ballast device 6EP1566 3AA00 must be mounted so that it is to the right of the PSU400M 24 V 20 A power supply When mounting the PSU400M together with the ballast device the same derating curves apply Output current as a function of the amb...

Страница 24: ...00 must be mounted so that it is to the right of the PSU400M 24 V 20 A power supply When mounting the PSU400M together with the ballast device the same derating curves apply Note In the case of mounting positions that deviate from the standard mounting position reduced mechanical resistance of the devices against vibration and shock must be expected Particularly when installing on a vertically fas...

Страница 25: ...ng position mounting clearances 4 2 Other mounting positions SITOP PSU400M Manual 05 2018 C98130 A7601 A1 5 7629 25 Figure 4 5 Mounting position 3 Figure 4 6 Mounting position 4 Figure 4 7 Mounting position 5 ...

Страница 26: ...Mounting position mounting clearances 4 2 Other mounting positions SITOP PSU400M 26 Manual 05 2018 C98130 A7601 A1 5 7629 ...

Страница 27: ...perating voltage range from 200 300 900 V DC Figure 5 1 Line side connection The line supply is connected via terminals 600 V DC and and PE see Figure 5 1 Line side connection Page 27 and must be implemented according to IEC 60364 EN 50178 and EN 61800 5 1 A protective device miniature circuit breaker or circuit breaker and a disconnection unit for the power supply must be provided The device is t...

Страница 28: ...r product version 1 Note A short circuit proof supply line must be provided at the input side The breaking capacity of the internal fuse at input and is 20 kA L R 2 ms The protective conductor of the line supply must be connected at the PE terminal The cross section of the protective conductor cable must be the same as the supply cable NOTICE Country specific regulations must be observed when inst...

Страница 29: ... permissible that the protective conductor is connected to the input not even capacitively The cross section of the protective conductor connections PE must be the same as the supply cable The output is no load overload and short circuit proof If an overload occurs the electronic current limiting function limits the output current to a maximum value see Section Technical data Page 31 Figure 5 2 Ou...

Страница 30: ...Installation 5 2 Output side connection SITOP PSU400M 30 Manual 05 2018 C98130 A7601 A1 5 7629 ...

Страница 31: ...20 900 V necessary see Figure 6 1 Derating input range for product version 1 Page 32 prod version 2 Starting from 340 V derating at 300 400 V and 824 900 V required see Figure 6 2 Derating input range for product version 2 Page 32 Figure 6 3 Input voltage ripple Page 33 Figure 6 4 Voltage rate of rise Page 34 Wide range input Yes Overvoltage strength Shutdown at Uin 900 V Input current for DC at r...

Страница 32: ...860 V the output voltage is continuously available if a linear derating of 1 A per 10 V is taken into consideration Uin 900 V DC The output voltage is shut down Uin 975 V DC can damage the device Figure 6 1 Derating input range for product version 1 Uin 400 824 V DC Rated power 480 W and Extra Power 150 for 5 s min Uin 300 400 V DC Operating range with derating 20 A at max 55 C 16 A at max 60 C Ui...

Страница 33: ...M between Uin and Uin may be a maximum of 50 Vpp Figure 6 3 Input voltage ripple Voltage gradient of the converter DC link with respect to PE according to CSM specification 10 kV µs 1500 Vpeak max Note It is not permissible that the 6EP1566 3AA00 ballast device is connected to a converter DC link with active front end only applicable for product version 1 ...

Страница 34: ...ot permissible Maximum voltage rate of rise of the supply voltage 1 V μs Note Together with the 6EP1566 3AA00 ballast device to limit the voltage rise hot plug in and hot plug out are permissible 6EP1566 3AA00 Rated voltage Uin rated for DC 600 V Voltage range 200 900 V Input current for DC at rated value of input voltage 600 V Rated value 0 85 A ...

Страница 35: ...A 60 V DC 0 3 A 30 V DC 1 A for 24 V O K Response when switching on off No overshoot of Uout soft start Starting delay max Remark 0 1 s 10 s can be set using switch C Voltage rise typ 50 ms Rise time of the output voltage max 150 ms Rated current Iout rated 20 A Current range Remark 0 20 A 60 70 C derating 5 5 Iout rated K Active power output typ 480 W Constant overload current for a short circuit...

Страница 36: ...racteristic single operation Page 36 6EP1566 3AA00 Rated input voltage Uin rated 600 V DC Voltage range 200 900 V DC Rated input current Iin rated 0 85 A Figure 6 5 Starting delay voltage rise Figure 6 6 Output characteristic single operation The device supplies a constant output voltage until the current limit is reached If overload occurs the output current is limited and the output voltage lowe...

Страница 37: ... decreases with increasing output current Figure 6 7 Output characteristic parallel operation Selector switch B closed latching shutdown The device will be shut down if the overload continues for longer than 100 ms A reset is performed by switching the power supply OFF for at least 30 seconds Figure 6 8 Output characteristic latching shutdown ...

Страница 38: ...ion power loss approx 10 W Figure 6 9 Efficiency 6 4 Closed loop control 6EP1536 3AA00 24 V 20 A Dyn line regulation Uin rated 15 max 1 5 Dyn load regulation Iout 10 90 10 Uout typ 3 Load step regulation time 10 to 90 typ 1 ms Load step regulation time 90 to 10 typ 1 ms Dyn load regulation Iout 50 100 50 Uout typ 0 5 Load step regulation time 50 to 100 typ 1 ms Load step regulation time 100 to 50 ...

Страница 39: ...ture 6 6 MTBF 6EP1536 3AA00 24 V 20 A 6EP1566 3AA00 Mean Time Between Failures SN29500 620 000 h at 40 C rated load 24 h operation 10000000 h 6 7 Mechanical system 6EP1536 3AA00 24 V 20 A 6EP1566 3AA00 Connection system Screw type terminal Connections Line input DC input PE 1 screw terminal each for 0 05 4 2 5 mm solid finely stranded DC input PE 1 screw terminal each for 0 05 4 2 5 mm solid finel...

Страница 40: ...No Mounting Can be snapped onto standard EN 60715 TH 35 15 7 5 mounting rails Can be snapped onto standard EN 60715 TH 35 15 7 5 mounting rails 6 8 Accessories 6EP1536 3AA00 24 V 20 A Mechanical accessories Device identification labels 20 mm 7 mm pastel turquoise 3RT1900 1SB20 6 9 Dimension drawing See Section Dimensions and weight Page 19 CAD data that can be downloaded from the Internet 6EP1536 ...

Страница 41: ...afety 6EP1536 3AA00 24 V 20 A Primary secondary galvanic isolation Yes Electrical isolation SELV output voltage Uout acc to EN 60950 1 and EN 50178 Protection class Class I Degree of protection EN 60529 IP20 Leakage current typ Leakage current max Test voltage See Test voltage Page 42 ...

Страница 42: ...ing the field test Tests A B Connect the input terminals with one another Connect the output terminals signaling contact and PE with one another Test C Connect the output terminals and signaling contact with one another and measure with respect to PE Table 7 1 Test voltage Test time Prim sec A Prim PE B Sec PE C Type test 60 s 4200 V DC 2200 V DC 700 V DC Production test 1 s 2200 V DC 2200 V DC 50...

Страница 43: ... speed transient disturbance vari ables burst EN 61000 4 4 4 kV at line supply connections 2 kV at the DC output Surge voltages EN 61000 4 5 1 kV symmetrical at the line connections with converter 6 kV unsymmetrical at the line connections primary PE 500 V symmetrical unsymmetrical at DC output cables High frequency fields EN 61000 4 6 20 V 0 15 80 MHz 3 V 1 0 2 GHz 1 V 2 0 2 7 GHz Magnetic fields...

Страница 44: ...Safety approvals EMC 7 4 EMC SITOP PSU400M 44 Manual 05 2018 C98130 A7601 A1 5 7629 ...

Страница 45: ... pollution 2 Mechanical stressing during operation Tested according to EN 60068 2 6 vibration test Fc 3 5 mm deflection in the range 5 8 4 Hz 2 g acceleration in the range 8 4 150 Hz Tested according to EN 60068 2 27 shock test Ea acceleration 150 m s2 test duration 11 ms Damaging gases Tested according to EN 60068 2 42 sulfur dioxide EN 60068 2 43 hydrogen sulfide Atmospheric pressure Operation 1...

Страница 46: ...Ambient conditions SITOP PSU400M 46 Manual 05 2018 C98130 A7601 A1 5 7629 ...

Страница 47: ...f possible The power supplies connected in parallel must be switched on simultaneously with a common switch in the line feeder cable e g with the main switch available in control cabinets The output voltages measured in no load operation for the power supplies that are not yet connected in parallel should not deviate more than a maximum of 50 mV This usually corresponds to the factory setting If t...

Страница 48: ...re than two power supplies When connecting more than two power supplies in parallel additional measures must be taken to prevent high reverse currents in the event of a secondary device fault For this purpose a suitable protective circuit e g decoupling diode or DC capable circuit breaker must be installed between each terminal of the power supply and the common connection point ...

Страница 49: ...ils then the other automatically takes over the power supply If one of the power supplies fails then this is signaled using an LED on the redundancy module as well as an isolated relay contact When dimensioning the system it must be ensured that n 1 redundant connected power supplies can handle the total power requirement of the remaining n power supplies Note For a high reliability of the supply ...

Страница 50: ...t voltages voltages of 48 V 24 V or 48 V can be realized Note For additional details see Catalog KT 10 1 Chapter 15 Technical information and configuring see http w3app siemens com mcms infocenter content en Pages order_form aspx nodeKey ke y_518431 infotype catalogs WARNING SELV is not guaranteed in the case of a fault When connecting two power supplies in series the continuous permissible SELV v...

Страница 51: ...outputs versions with adjustable output current range for each output from 0 5 3 A and 3 10 A is available for this purpose this monitors the 24 V branches for overload and short circuit Figure 9 4 Electronic protection of 24 V loads using the SITOP PSE200U selectivity module Page 51 Brief current peaks e g as a result of a high inrush current are permitted and branches with a longer overload are ...

Страница 52: ...wer supply voltage Power supply failures up into the minutes range can be buffered using the maintenance free SITOP UPS500 DC UPS modules based on capacitors Figure 9 5 24 V buffering to allow the saving of process data and controlled shutdown of PCs Page 52 Figure 9 5 24 V buffering to allow the saving of process data and controlled shutdown of PCs Using the free of charge SITOP DC UPS software t...

Страница 53: ...TOP UPS1600 to maintain communication signaling functions sensor measured values and position values For open PC based automation systems configuration and monitoring is realized using the SITOP UPS Manager PC software which is available at no charge This allows PC responses to the operating states of the DC UPS to be freely selected and offers comprehensive diagnostic functions For TIA based auto...

Страница 54: ...Applications 9 5 Protection against longer failure of the power supply voltage SITOP PSU400M 54 Manual 05 2018 C98130 A7601 A1 5 7629 ...

Страница 55: ...nvironment 10 The devices are in conformance with RoHS As a rule only non silicon precipitating materials are used Disposal guidelines Packaging and packaging aids can and should always be recycled The product itself may not be disposed of as domestic refuse ...

Страница 56: ...Environment SITOP PSU400M 56 Manual 05 2018 C98130 A7601 A1 5 7629 ...

Страница 57: ...Internet at the SITOP home page SITOP http www siemens com sitop Information material SITOP information can be downloaded from the Internet Information and download center http www siemens com sitop infomaterial CAx data 2D 3D data and circuit diagram macros can be downloaded from the Internet Siemens image database http www siemens com sitop cax Request all CAx data via the CAx download manager C...

Страница 58: ...s If you have any questions regarding the use of our products then contact the Siemens contact person in your regional Siemens sales office You can find these addresses as follows On the Internet http www automation siemens com partner Industry Mall http www siemens com industrymall de ...

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