FX2N-20PSU DC POWER SUPPLY UNIT USER`S MANUAL
Contents
1. Sensor 1 _ Sensor 2 85 to 264V ACK rei Te s L Lp Class D grounding LIN L N 4viov s s X1 X2 X5 X7 FX2N 20PSU PLG mulls n Service 24V IN Ni fo VAL 244124 power supply Connect the minus line to share it Sink inputs ve S S Sensor 1 Sensor 2 85 to 264V AC it ih s LPO LS Class D J grounding LIN L N 4viov ss X1 X2 X5 X7 FX2N 20PSU PLC He Service 24V ZN Ni Z2 VAL 24424 power supply Connect the minus line to share it 6 3 Cautions Cautions on design yx Never connect the FX2n 20PSU in parallel to another power supply unit FX2n 20PSU 24 FX2n 20PSU or another power supply unit 1O FX2n 20PSU 24 FX PLC Service power supply 24V OV Never connect in serial nor parallel the DC output terminals of the FX2n 20PSU to another power supply unit Such a connection may damage the unit yr Never connect the FX2n 20PSU serially to another power supply unit FX2n 20PSU orl i FX2n 20PSU another power FX2n 20PSU FX PLC supply unit Service power supply 24 24 OIO 24 24 24V OV 7 TROUBLESHOOTING When it is suspected that the FX2n 20PSU is not norm2. 6 2 When FX2n 20PSU is used together with 24V DC service power supply built in PLC In the AC power type FX PLC a 24V DC service power supply is built When using the FX2n 20PSU and the service power supply together connect the 24 terminal of the FXe2n 20PSU and the COM terminal on the minus side of the service power supply as shown in the fig ure below Source inputs ve S S Sensor 1_ Sensor 2 85 to 264V AC Fo T L Bab Class D T grounding A LIN LIN j24viov s s X1 X2 X5 X7 FX2N 20PSU PUE dile Service 24V aN TV ZNL Wey 244124 power supply Connect the minus line to share it Sink inputs ve S S 71 Sensor 1_ Sensor 2 85 to 264V ACC it it peat OJ LE Class D t e grounding gt LIN LIN j24viov jss X1 X2 X5 X7 FX2N 20PSU PLC Hie ee Service 24V ZAL NN ENA WAL 244124 power supply Connect the minus line to share it 6 3 Cautions A Cautions on design e Never connect in serial nor parallel the DC output terminals of the FX2n 20PSU
3. Ambient temperature C 1 The available output current varies depending on the ambient operating temperature Use the FXan 20PSU in the available range in accordance with the output derating graph shown above 2 If the output current flows beyond the specified value the overcurrent protection circuit is actuated and the output voltage drops When the overcurrent status or the short circuit status returns to acceptable levels the output voltage automatically recovers 3 If the voltage beyond the specified value is generated by an internal failure etc the output is shut down so that high voltage is not output When the voltage comes from a load circuit connected to an output terminal or when overvoltage is input from the outside the overvoltage protection circuit may be actuated When the overvoltage protection circuit is actuated the output is shut down and does not automati cally recover Ask for inspection and repair after such an occurance 5 INSTALLATION A Cautions on installation e Use the unit in the environment for the general specifications described in Section 3 in the manual Never use the unit in a place with dust soot conductive dusts corrosive gas or flammable gas place exposed to high temperature dew condensation rain and wind or in a place exposed to vibration or impact If the unit is used in such a place electrical shock fire malfunction damages in the unit or deterioration of the unit may
4. 5 ogg De Se a E a r C TE E E E E N 90 3 5 98 3 85 POWER O ELSEC FXa 20PSU Ss BQ eee Be e Be el 60 2 36 E o 75 2 95 BS Terminal screws M3 5 ane pave e Mass Approximately 0 3 kg Le aavepav Outer color Munsell 0 08GY 7 64 0 81 Rated voltage 100 to 240V AC Allowable voltage range 85 to 264V AC Input Frequency 50 60Hz Fuse rating 250V 3 15A built in Time lag Fuse Rush current 60A 200V AC maximum Output voltage 24V DC 10 O tputcu trent 2A maximum 0 2A minimum Output MPa Derating is performed if ambient temperature exceeds 40 C Ripple noise 500mVp p or less Holding time 10ms 100V AC Protection against Actuated when current becomes 110 160 or more voltage drop Protection overcurrent occurs automatic recovery function Protection against Actuated when voltage becomes 110 140 or more output shuts overvoltage 3 down no automatic recovery diode clamp Output indication Green LED POWER is lit while voltage is output Serial parallel operation with other power supply units is not allowed Others i See Section 6 3 Output derating 100 E 80 S 60 E 40 20 ex K 10 20 30 40 5055
5. damage that may arise as a result of the installation or use of this equipment e All examples and diagrams shown in this manual are intended only as an aid to understand ing the text not to guarantee operation Mitsubishi Electric will accept no responsibility for actual use of the product based on these illustrative examples e Owing to the very great variety in possible application of this equipment you must satisfy yourself as to its suitability for your specific application Compliance with EC directive CE Marking This document does not guarantee that a mechanical system including this product will comply with the following standards Compliance to EMC directive and LVD directive for the entire mechanical module should be checked by the user manufacturer For more information please consult with your nearest Mitsubishi product provider Requirement for Compliance with EMC directive The following products have shown compliance through direct testing of the identified standards below and design analysis through the creation of a technical construction file to the European Directive for Electromagnetic Compatibility 2004 108 EC when used as directed by the appropriate documentation Attention e This product is designed for use in industrial applications Note e Authorized Representative in the European Community Mitsubishi Electric Europe B V Gothaer Str 8 40880 Ratingen Germany Type Programmable Control
6. overvoltage protection circuit are built in the FX2N 20PSU If such a protection circuit is actuated the output voltage drops or is shut down For details refer to Section 4 This manual confers no industrial property rights or any rights of any other kind nor does it confer any patent licenses Mitsubishi Electric Corporation cannot be held responsible for any problems involving industrial property rights which may occur as a result of using the contents noted in this manual Warranty Mitsubishi will not be held liable for damage caused by factors found not to be the cause of Mitsubishi opportunity loss or lost profits caused by faults in the Mitsubishi products damage secondary damage accident compensation caused by special factors unpredictable by Mitsubishi damages to products other than Mitsubishi products and to other duties e This product has been manufactured as a general purpose part for general industries and has not been designed or manufactured to be incorporated in a device or system used in purposes related to human life e Before using the product for special purposes such as nuclear power electric power aerospace medicine or passenger movement vehicles consult with Mitsubishi Electric e This product has been manufactured under strict quality control However when installing the product where major accidents or losses could occur if the product fails install appropriate backup or failsafe functions in t
7. torque of 0 5 to 0 8 N m Do not tighten terminal screws with a torque outside the above mentioned range Failure to do so may cause equipment failures or malfunctions Installation direction Crimp style terminal l DLS For M3 5 0 14 mS Max 6 8mm 0 27 os Max 6 8mm 0 27 6 WIRING A Cautions on wiring e Make sure to shut down the power supplies of all phases on the outside before starting instal lation or wiring If the power supplies are not shut down you may get electrical shock or the unit may be dam aged e Make sure to attach terminal covers offered as accessories before supplying power and start ing operation after the installation wiring work e The rated temperature of the cable should be 80 C or more e Correctly supply power to the PLC in accordance with Cautions on Safety described in the manual of the PLC If power is not correctly supplied the unit may be damaged e Connect the wiring of the DC power supply to dedicated terminals as described in this manual If the AC power supply is connected to a DC power terminal the unit may be burnt e Never perform external wiring to unused terminals e Such wiring may damage the unit e Perform Class 3 grounding to the grounding terminal in the unit However never perform com mon grounding See Section 3 with a strong power system 6 1 When FX2n 20PSU is connected to 24V DC power type PLC S
8. 1131 2 2007 1 INTRODUCTION The DC power supply unit FX2n 20PSU is available as the following applications e Power supply of 24V DC power type PLC e Power supply of special extension block of PLC e Power supply of sensor connected to input of PLC e Power supply of DC load connected to output of PLC e Power supply of display unit such as graphic operation terminal GOT 2 EXTERNAL DIMENSION als E N fe L 2 4 5 0 18 52 2 05 Unit mm inches 7 5 0 3 4 0 16 Haovcade Bbdeebde a a N M E N E 90 3 5 98 3 85 POWER O ELSEG FXa 20PSU GB Qe Aee BQ ee i a et 60 2 36 Is 75 2 95 4 0 16 Terminal screws M3 5 s ppa Mass Approximately 0 3 kg e pwya Outer color Munsell 0 08GY 7 64 0 81 3 GENERAL SPECIFICATIONS Item Description Operating Temperature 0 to 55 C 32 to 131 F Storage Temperature 20 to 70 C 4 to 158 F Operating Humidity 35 to 85 Relative Humidity No condensation storage Humidity 35 to 90 Relative Humidity No condensation Vibration Resistance Direct Mounting 10 57 Hz 0 75 mm Half Amplitude
9. 57 150 Hz 9 8 m s Acceleration Sweep Count for X Y Z 10 times 80 min in each direction Vibration Resistance DIN rail Mounting 10 57 Hz 0 035 mm Half Amplitude 57 150 Hz 4 9 m s Acceleration Sweep Count for X Y Z 10 times 80 min in each direction Shock Resistance 147m s2 Acceleration Action Time 11 ms 3 times in each direction X Y and Z Noise Immunity 1000Vp p 1microsecond 30 100 Hz tested by noise simulator Dielectric Withstand Voltage 500V AC gt 1 min tested between all points terminals and ground Insulation Resistance 5MQ gt at 500V DC tested between all points terminals and ground Ground Class D 100 Q or less 1 The criterion is shown IEC61131 2 2 PLC power supply Another equipment PLC power Another supply equipment PLC power Another supply equipment Dedicated grounding best Loo E Common grounding good Common grounding not allowed 4 PERFORMANCE SPECOFOCATIONS Rated voltage 100 to 240V AC Allowable voltage range 85 to 264V AC Input Frequency 50 60Hz Fuse rating 250V 3 15A built in Time lag Fuse Rush current 60A 200V AC maximum Output voltage 24V DC 10 S uis tcu rr nt 2A maximum 0 2A minimum Output RENSKI Derating is performed if ambi
10. MITSUBISHI ELECTRIC PROGRAMMABLE CONTROLLERS MELSEG F FX2n 20PSU DC POWER SUPPLY UNIT USER S MANUAL JY992D85101E This manual contains text diagrams and explanations which will guide the reader in the correct installation and operation of the FX2n 20PSU DC power supply unit It should be read and understood before attempting to install or use the unit Further information can be found in the FX series PLC hardware man uals If in doubt at any stage during the installation of the FX2n 20PSU DC power supply unit always consult a professional electrical engineer who is qualified and trained to the local and national standards Note s on the symbology used in this manual At various times through out this manual certain symbols will be used to highlight points of informa tion which are intended to ensure the users personal safety and protect the integrity of the equip ment Whenever any of the following symbols are encountered its associated note must be read and understood Each of the symbols used will now be listed with a brief description of its meaning Hardware warnings 1 Indicates that the identified danger WILL cause physical and property damage A 2 Indicates that the identified danger could POSSIBLY cause physical and property damage Guidelines for the safety of the user and protection of the FX2n 20PSU DC POWER SUPPLY UNIT e This manual has been written to be used by trained and competent per
11. ally operating check the following items e Check the POWER LED status When the POWER LED is extinguished Check the input voltage of the FX2n 20PSU If any abnormality is detected Input the specified supply voltage Disconnect the wiring from the output terminals 24 and 24 If the POWER LED lights The overcurrent protection circuit See Section 4 is actuated Investigate the load connected to the output terminals If the POWER LED remains extinguished The overvoltage protection circuit See Section 4 may be actuated Ask for inspection and repair When the POWER LED is lit FX2N 20PSU is normal The overcurrent protection circuit and the overvoltage protection circuit are built in the FX2N 20PSU If such a protection circuit is actuated the output voltage drops or is shut down For details refer to Section 4 This manual confers no industrial property rights or any rights of any other kind nor does it confer any patent licenses Mitsubishi Electric Corporation cannot be held responsible for any problems involving industrial property rights which may occur as a result of using the contents noted in this manual Warranty Mitsubishi will not be held liable for damage caused by factors found not to be the cause of Mitsubishi opportunity loss or lost profits caused by faults in the Mitsubishi products damage secondary damage accident compensation caused by special factors unpredictable by Mit
12. arge pe eee ala 57 150 Hz 9 8 m s Acceleration i a dips MECE ARUN Sweep Count for X Y Z 10 times 80 min in each direction Voltage interruptions 7 r 4 10 57 Hz 0 035 mm Half Amplitude e Radio frequency common mode Ae e 57 150 Hz 4 9 m s Acceleration e Power frequency magnetic field l gnung Sweep Count for X Y Z 10 times 80 min in each direction EN61131 2 2007 Compliance with all relevant aspects of the standard Shock Resi 147m s Acceleration Action Time 11 ms Programmable controllers EMI ocr mesistance 3 times in each direction X Y and Z Requirement for Compliance with LVD directive The following products have shown compliance through direct testing of the identified standards below and design analysis through the creation of a technical construction file to the European Directive for Low Voltage 2006 95 EC when used as directed by the appropriate documentation Type Programmable Controller Open Type Equipment Models MELSEC FXan series manufactured from September 1st 1999 FX2n 20PSU For the products above PLCs manufactured before September 30th 2013 are compliant with IEC1010 1 after October 1st 2013 are compliant with EN61131 2 2007 Noise Immunity 1000Vp p 1microsecond 30 100 Hz tested by noise simulator nia Withstand 500V AC gt 1 min tested between all points terminals and ground Insulation Resistance 5MQ gt at 500V DC tested between all points t
13. be caused e Never drop cutting chips or electric wire chips into the ventilation window while drilling screw holes or wiring cables Such chips may cause fire failure or malfunction e After finishing installation remove a dust preventing sheet adhered on the ventilation window If the sheet remains attached fire failure or malfunction may be caused Note v During the installation wiring work place a dust preventing sheet on the ventilation window ye In order to prevent temperature rise never install the unit on the floor surface on the ceiling surface or in the vertical direction Make sure to install the unit on a panel face in the horizontal direction as shown in the figure below ye Use crimp style terminals of the dimensions shown in the figure below ye Tighten the terminals to a torque of 0 5 to 0 8 N m Do not tighten terminal screws with a torque outside the above mentioned range Failure to do so may cause equipment failures or malfunctions Installation direction Crimp style terminal l DLS For M3 5 0 14 mS Max 6 8mm 0 27 os Max 6 8mm 0 27 6 WIRING A Cautions on wiring e Make sure to shut down the power supplies of all phases on the outside before starting instal lation or wiring If the power supplies are not shut down you may get electrical shock or the unit may be dam aged e Make sure to attach terminal covers offered as accessories before s
14. ect testing of the identified standards below and design analysis through the creation of a technical construction file to the European Directive for Electromagnetic Compatibility 2004 108 EC when used as directed by the appropriate documentation Attention e This product is designed for use in industrial applications Note e Authorized Representative in the European Community Mitsubishi Electric Europe B V Gothaer Str 8 40880 Ratingen Germany Type Programmable Controller Open Type Equipment Models MELSEC FXan series manufactured from September 1st 1999 FX2n 20PSU For the products above PLCs manufactured before September 30th 2013 are compliant with EN61000 6 4 EN50081 2 and EN61000 6 2 after October 1st 2013 are compliant with EN61131 2 2007 Standard Remark EN61000 6 4 2007 Compliance with all relevant aspects of the standard Generic emission standard e Emission Enclosure port Industrial environment e Emission Low voltage AC mains port EN50081 2 1993 e Emission Telecommunications network port Electromagnetic compatibility EN61000 6 2 2005 Compliance with all relevant aspects of the standard Generic immunity standard e Radio frequency electromagnetic field Amplitude modulated Industrial environment e Fast transients e Electrostatic discharge e Surges e Voltage dips e Voltage interruptions e Radio frequency common mode e Power frequency magnetic field EN61131 2 2007 Compliance with all re
15. ent temperature exceeds 40 C Ripple noise 500mVp p or less Holding time 10ms 100V AC Protection against Actuated when current becomes 110 160 or more voltage drop Protection overcurrent occurs automatic recovery function Protection against Actuated when voltage becomes 110 140 or more output shuts overvoltage down no automatic recovery diode clamp Output indication Green LED POWER is lit while voltage is output Serial parallel operation with other power supply units is not allowed Others c See Section 6 3 Output derating 100 E 80 S 60 5 40 S 20 pa 0 10 20 30 40 5055 Ambient temperature C 1 The available output current varies depending on the ambient operating temperature Use the FXan 20PSU in the available range in accordance with the output derating graph shown above 2 and the output voltage drops When the overcurrent status or the short circuit status returns to acceptable levels the output voltage automatically recovers 3 If the output current flows beyond the specified value the overcurrent protection circuit is actuated If the voltage beyond the specified value is generated by an internal failure etc the output is shut down so that high voltage is not output When the voltage comes from a load circuit connected to an output terminal or when overvoltage is input from the outside the overvoltage protection circuit may be actuated When the overvol
16. erminals and ground Ground Class D 100 Q or less 1 The criterion is shown IEC61131 2 2 PLC power Another PLC power Another PLC power Another supply equipment supply equipment supply equipment Ld Dedicated grounding Common grounding Common grounding best good not allowed 4 PERFORMANCE SPECOFOCATIONS Standard Remark IEC1010 1 1990 A1 1992 The equipment has been assessed as a component for fitting Safety requirements for electrical in a suitable enclosure which meets the requirements of equipment for measurement control IEC 1010 1 1990 A1 1992 and laboratory use General requirements EN61131 2 2007 The equipment has been assessed as a component for fitting Programmable controllers in a suitable enclosure which meets the requirements of Equipment requirements and tests EN61131 2 2007 1 INTRODUCTION The DC power supply unit FX2nN 20PSU is available as the following applications e Power supply of 24V DC power type PLC e Power supply of special extension block of PLC e Power supply of sensor connected to input of PLC e Power supply of DC load connected to output of PLC e Power supply of display unit such as graphic operation terminal GOT 2 EXTERNAL DIMENSION JELTE 2 4 5 oie ae a ea oe __92 2 05 oO cof VK Unit mm inches x g Bebee
17. he system Manual number JY992D85101 Manual revision E April 2015 Date MITSUBISHI ELECTRIC CORPORATION HEAD OFFICE TOKYO BUILDING 2 7 3 MARUNOUCHI CHIYODA KU TOKYO 100 8310 JAPAN Effective April 2015 Y992D85101E 9v992D8510 Specifications are subject to change without notice
18. ler Open Type Equipment Models MELSEC FXan series manufactured from September 1st 1999 FX2n 20PSU For the products above PLCs manufactured before September 30th 2013 are compliant with EN61000 6 4 EN50081 2 and EN61000 6 2 after October 1st 2013 are compliant with EN61131 2 2007 Standard Remark 3 GENERAL SPECIFICATIONS Equipment requirements and tests Radiated Emission e Conducted Emission EMS Radiated electromagnetic field Fast Transient burst Electrostatic discharge High energy surge Voltage drops and interruptions Conducted RF Power frequency magnetic field EN61000 6 4 2007 Compliance with all relevant aspects of the standard Generic emission standard e Emission Enclosure port Item Description Industrial environment Emission Low voltage AC mains port Operating Temperature 0 to 55 C 32 to 131 F EN50081 2 1993 a e Emission Telecommunications network port Storage Temperature 20 to 70 C 4 to 158 F Electromagnetic compatibility z i Operating Humidity 35 to 85 Relative Humidity No condensation EN61000 6 2 2005 Compliance with all relevant aspects of the standard z Generic immunity standard e Radio frequency electromagnetic field Amplitude modulated storage Humidity 35 to 90 Relative Humidity No condensation Industrial environment e Fast transients are 4 10 57 Hz 0 75 mm Half Amplitude Electrostatic disch
19. levant aspects of the standard Programmable controllers EMI Equipment requirements and tests e Radiated Emission e Conducted Emission EMS Radiated electromagnetic field Fast Transient burst Electrostatic discharge High energy surge Voltage drops and interruptions Conducted RF Power frequency magnetic field Requirement for Compliance with LVD directive The following products have shown compliance through direct testing of the identified standards below and design analysis through the creation of a technical construction file to the European Directive for Low Voltage 2006 95 EC when used as directed by the appropriate documentation Type Programmable Controller Open Type Equipment Models MELSEC FXan series manufactured from September 1st 1999 FX2n 20PSU For the products above PLCs manufactured before September 30th 2013 are compliant with IEC1010 1 after October 1st 2013 are compliant with EN61131 2 2007 Standard Remark IEC1010 1 1990 A1 1992 The equipment has been assessed as a component for fitting Safety requirements for electrical in a suitable enclosure which meets the requirements of equipment for measurement control IEC 1010 1 1990 A1 1992 and laboratory use General requirements EN61131 2 2007 The equipment has been assessed as a component for fitting Programmable controllers in a suitable enclosure which meets the requirements of Equipment requirements and tests EN6
20. ource inputs ve S S _ Sensor 1 Sensor 2 85 to 264V ACK resi oo i i Class D T grounding L lt TLIN paviov jss Xt X2 X5 X7 FX2n 20PSU od ay Af ve WY 24 24 PLC Sink inputs ve S S 7 Sensor 1_ Sensor 2 85 to 264V AC i i ian L p Class D grounding L LIN pavyjov ss X1 X5 X7 FX2n 20PSU Z ZAL TAL AA IZA 24 24 PLC 6 2 When FXon 20PSU is used together with 24V DC service power supply built in PLC In the AC power type FX PLC a 24V DC service power supply is built When using the FX2n 20PSU and the service power supply together connect the 24 terminal of the FXe2n 20PSU and the COM terminal on the minus side of the service power supply as shown in the fig ure below Source inputs ve S S
21. sonnel This is defined by the European directives for machinery low voltage and EMC e If in doubt at any stage during the installation of the FX2N 20PSU always consult a profes sional electrical engineer who is qualified and trained to the local and national standards If in doubt about the operation or use of the FX2N 20PSU please consult the nearest Mitsubishi Electric distributor e Under no circumstances will Mitsubishi Electric be liable or responsible for any consequential damage that may arise as a result of the installation or use of this equipment e All examples and diagrams shown in this manual are intended only as an aid to understand ing the text not to guarantee operation Mitsubishi Electric will accept no responsibility for actual use of the product based on these illustrative examples e Owing to the very great variety in possible application of this equipment you must satisfy yourself as to its suitability for your specific application Compliance with EC directive CE Marking This document does not guarantee that a mechanical system including this product will comply with the following standards Compliance to EMC directive and LVD directive for the entire mechanical module should be checked by the user manufacturer For more information please consult with your nearest Mitsubishi product provider Requirement for Compliance with EMC directive The following products have shown compliance through dir
22. subishi damages to products other than Mitsubishi products and to other duties This product has been manufactured as a general purpose part for general industries and has not been designed or manufactured to be incorporated in a device or system used in purposes related to human life Before using the product for special purposes such as nuclear power electric power aerospace medicine or passenger movement vehicles consult with Mitsubishi Electric This product has been manufactured under strict quality control However when installing the product where major accidents or losses could occur if the product fails install appropriate backup or failsafe functions in the system Manual number JY992D85101 Manual revision E Date April 2015 MITSUBISHI ELECTRIC CORPORATION HEAD OFFICE TOKYO BUILDING 2 7 3 MARUNOUCHI CHIYODA KU TOKYO 100 8310 JAPAN Effective April 2015 JY992D85101E Specifications are subject to change without notice MITSUBISHI ELECTRIC PROGRAMMABLE CONTROLLERS MELSEG F FX2n 20PSU DC POWER SUPPLY UNIT USER S MANUAL JY992D85101E This manual contains text diagrams and explanations which will guide the reader in the correct installation and operation of the FX2n 20PSU DC power supply unit It should be read and understood before attempting to install or use the unit Further information can be found in the FX series PLC hardware man uals If in doubt at any stage d
23. tage protection circuit is actuated the output is shut down and does not automati cally recover Ask for inspection and repair after such an occurance 5 INSTALLATION A Cautions on installation e Use the unit in the environment for the general specifications described in Section 3 in the manual Never use the unit in a place with dust soot conductive dusts corrosive gas or flammable gas place exposed to high temperature dew condensation rain and wind or in a place exposed to vibration or impact If the unit is used in such a place electrical shock fire malfunction damages in the unit or deterioration of the unit may be caused e Never drop cutting chips or electric wire chips into the ventilation window while drilling screw holes or wiring cables Such chips may cause fire failure or malfunction e After finishing installation remove a dust preventing sheet adhered on the ventilation window If the sheet remains attached fire failure or malfunction may be caused Note v During the installation wiring work place a dust preventing sheet on the ventilation window ye In order to prevent temperature rise never install the unit on the floor surface on the ceiling surface or in the vertical direction Make sure to install the unit on a panel face in the horizontal direction as shown in the figure below yr Use crimp style terminals of the dimensions shown in the figure below ye Tighten the terminals to a
24. to another power supply unit Such a connection may damage the unit ve Never connect the FX2n 20PSU in parallel to another power supply unit FXen 20PSU FX2N 20PSU or FX2n 20PSU FX PLC another power supply unit Service power supply 24 24 OTO 24 24 24V OV e e Vv Ag sx Never connect the FX2n 20PSU serially to another power supply unit E FX2n 20PSU or Y FX2N 20PSU another power FX2N 20PSU FX PLC supply unit Service power supply 24 24 OIO 24 24 24V OV 7 TROUBLESHOOTING When it is suspected that the FX2n 20PSU is not normally operating check the following items e Check the POWER LED status When the POWER LED is extinguished Check the input voltage of the FX2n 20PSU If any abnormality is detected Input the specified supply voltage Disconnect the wiring from the output terminals 24 and 24 If the POWER LED lights The overcurrent protection circuit See Section 4 is actuated Investigate the load connected to the output terminals If the POWER LED remains extinguished The overvoltage protection circuit See Section 4 may be actuated Ask for inspection and repair When the POWER LED is lit FX2N 20PSU is normal e The overcurrent protection circuit and the
25. upplying power and start ing operation after the installation wiring work e The rated temperature of the cable should be 80 C or more e Correctly supply power to the PLC in accordance with Cautions on Safety described in the manual of the PLC If power is not correctly supplied the unit may be damaged e Connect the wiring of the DC power supply to dedicated terminals as described in this manual If the AC power supply is connected to a DC power terminal the unit may be burnt e Never perform external wiring to unused terminals e Such wiring may damage the unit e Perform Class 3 grounding to the grounding terminal in the unit However never perform com mon grounding See Section 3 with a strong power system 6 1 When FX2n 20PSU is connected to 24V DC power type PLC Source inputs ve S S _ Sensor 1 Sensor 2 85 to 264V AC resi oo i L Class D if grounding L LIN L paviov ss X1 X2 X5 X7 FX2N 20PSU a VE FL Af Z7 24 24 PLC Sink inputs ve S S Sensor 1_ Sensor 2 85 to 264V ACU Tai pa Class D grounding 1 LIN L p4vjov Iss x1 X7 FX2n 20PSU a ON Ko Fe VAL 24 24 PLC
26. uring the installation of the FX2N 20PSU DC power supply unit always consult a professional electrical engineer who is qualified and trained to the local and national standards Note s on the symbology used in this manual At various times through out this manual certain symbols will be used to highlight points of informa tion which are intended to ensure the users personal safety and protect the integrity of the equip ment Whenever any of the following symbols are encountered its associated note must be read and understood Each of the symbols used will now be listed with a brief description of its meaning Hardware warnings 1 Indicates that the identified danger WILL cause physical and property damage A 2 Indicates that the identified danger could POSSIBLY cause physical and property damage Guidelines for the safety of the user and protection of the FX2n 20PSU DC POWER SUPPLY UNIT e This manual has been written to be used by trained and competent personnel This is defined by the European directives for machinery low voltage and EMC e If in doubt at any stage during the installation of the FX2N 20PSU always consult a profes sional electrical engineer who is qualified and trained to the local and national standards If in doubt about the operation or use of the FX2N 20PSU please consult the nearest Mitsubishi Electric distributor e Under no circumstances will Mitsubishi Electric be liable or responsible for any consequential
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