Vacon NXP series System Hardware Manual Download Page 33 | Manualshive

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Installation

vacon • 33

Local contacts: https://www.danfoss.com/en/contact-us/contacts-list/

4.3.2

Back-to-back installation

The sections can also be installed back-to-back. In this case, fix the top parts of the cabinets
together (1) and the front corners to the floor (2) with bolts.

Leave a gap between the backs of the cabinets. Check the correct dimensions from the documents
included in the delivery.

Figure 14. Fixing the cabinets back-to-back

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Summary of Contents for NXP series

Page 1: ...vacon nxp ac drives system drive hardware manual ...

Page 2: ......

Page 3: ... 3 5 1 Drive sizes FR4 FR8 22 3 5 2 Drive sizes FI9 FI14 25 3 6 Dynamic brake section 28 3 7 Transport split unit 29 4 Installation 30 4 1 Installation procedure 30 4 2 Preparing the installation site 31 4 2 1 Free space around the cabinet 31 4 3 Mounting the cabinets 32 4 3 1 Fixing the cabinet to the floor and wall 32 4 3 2 Back to back installation 33 4 4 Connecting the busbars 34 4 4 1 Side by...

Page 4: ...6 2 1 Pump and fan load 68 6 2 2 OL nbase OL nmax for constant torque load 69 6 2 3 Starting torque OL nmax for constant torque load 70 6 2 4 OL nbase OL nmax for constant power load 71 6 2 5 OL nbase OL nmax for constant power load 72 6 3 Technical specifications for VACON drives 73 6 3 1 NXN Non regenerative front end units 73 6 3 2 NXA Active front end units 75 6 3 3 NXI Inverter units 77 6 3 4...

Page 5: ...ewed and updated All suggestions for improvement are welcome The original language of this manual is English 1 2 Scope of supply The scope of supply is limited to the drives listed in this manual Process machine or drive control systems are not part of the scope of supply 1 3 Related brochures and manuals VACON NX user manuals and brochures are available in PDF format on the Danfoss website at www...

Page 6: ...1 4 Definitions and abbreviations ADS Auxiliary Device Section AFS Active Front end Section DBS Dynamic Brake Section DRL Drive List IUS Inverter Unit Section LV Low Voltage MIS Main Incoming Section NFS Non regenerative Front end Section SLD Single Line Diagram TSU Transport Split Unit ...

Page 7: ...AC Frequency 50 Hz Mains maximum current 2500 A Busbar system DC DC PE Busbar system voltage 1100 V DC Busbar system maximum current 2500 A Icw 1 s 50 kA PE design 50 Busbars and flexibars Tinned Cabinet type Rittal TS8 Height 2000 mm Depth 600 mm Cabinet material Powder coated steel Sheet steel parts within the enclosure Without coating Colour RAL 7035 Ingress protection of enclosure Protection a...

Page 8: ... does not include Special requirements Delivery specific requirements Customer specific requirements e g marking naming coding etc Table 3 Example of selected sections and options from the configuration tool Section type Section category Options 1 ADS_600 Control PES 2 MIS_2500 Incoming power ICB 3 AFS_13 Incoming power 4 IUS_4 Outgoing power ODU 5 IUS_10 Outgoing power ODU 6 IUS_10 Outgoing power...

Page 9: ...me exceeds 24 months the electrolytic DC capacitors need to be charged with caution Therefore such a long storage time is not recommended If the storing time is much longer than 24 months the recharging of the capacitors has to be carried out so that the possible high leakage current through the capacitors is limited The best alternative is to use a DC power supply with adjustable current limit Th...

Page 10: ...he cabinets Use the beams to lift and to move the cabinets to the required location Figure 1 Lifting the cabinet sections Moving of the cabinets on site can be carried out as follows by a forklift truck a hoist or on rollers Lower the package onto a level base Remove the package covering only at the site of installation Low narrow or convoluted transport routes may require removal of the pallet pr...

Page 11: ...arning and caution information from https www danfoss com en service and support REMARQUE Vous pouvez télécharger les versions anglaise et française des manuels produit contenant l ensemble des informations de sécurité avertissements et mises en garde applicables sur le site https www danfoss com en service and support WARNING dangerous voltage CAUTION possible damage to equipment Installation is ...

Page 12: ...tors on the cover Wait 5 more minutes before doing any work on the connections of the drive Do not open the cabinet door before this time has expired After expiration of this time use measuring equipment to absolutely ensure that no voltage is present Always ensure the absence of voltage before starting any electrical work The control I O terminals are isolated from the mains potential However the...

Page 13: ...Start Stop logic has been selected Futhermore the I O functionalities including start inputs may change if parameters applications or software are changed Disconnect therefore the motor if an unexpected start can cause danger The motor starts automatically after automatic fault reset if the autoreset function is activated See the Application Manual for more detailed information Prior to measuremen...

Page 14: ...tection is not provided For cord connected equipment provisions shall be made so that the protective grounding conductor in the cord shall in the case of failure of the strain relief mechanism be the last conductor to be interrupted However always follow the local regulations for the minimum size of the protective grounding conductor NOTE Due to the high capacitive currents present in the AC drive...

Page 15: ... 1 phase supply in bottom of cabinet 5 Terminals for control and monitoring As pre engineered standard options we can provide the following Emergency stop CAT0 PES Emergency stop CAT1 PED Insulation fault sensor PIF Arc protection relay PAP Cabinet heater ACH Cabinet light ACL Auxiliary voltage transformer 4000 VA AT4 Auxiliary voltage 110 V AC AT1 Auxiliary power supply 24 V 10 A ADC Cabling from...

Page 16: ...for AFE As pre engineered standard options we can provide the following Cabling from the top CIT Ground Switch ILE Current transducers ITR UL approved design and components NAR Arc detection ADU Cabinet heater ACH Cabinet light ACL ILE requires an additional section Table 7 Available MIS sizes MIS type Input current Width x Height x Depth mm MIS_630 630 A 400 x 2000 x 605 MIS_800 800 A 600 x 2000 ...

Page 17: ...Available sections vacon 17 Local contacts https www danfoss com en contact us contacts list Figure 3 Example of main incoming section MIS_1600 1 2 4 13849_00 ...

Page 18: ...ms _M selection for mirrored design As standard the NFS section includes the following see Figure 4 1 The NXN unit s 2 Chokes 3 Terminals for control and indication signals installed in MIS or ADS section 4 DC fuses for the Supply Unit 5 AC fuses for the filter As pre engineered standard options we can provide the following UL approved design and components NAR Arc detection ADU Cabinet heater ACH...

Page 19: ...Available sections vacon 19 Local contacts https www danfoss com en contact us contacts list Figure 4 Example of non regenerative front end section NFS_2x 2 4 5 1 13850_00 ...

Page 20: ...ensions including LCL As standard the AFS sections include the following see Figure 5 1 LCL Filter 2 The NXA unit 3 Control unit 4 Pre charging components installed in MIS section 5 Terminals for control and indication signals installed in MIS or ADS section 6 DC fuses for the Supply Unit 7 AC fuses for the filter installed in MIS section As pre engineered standard options we can provide the follo...

Page 21: ...Available sections vacon 21 Local contacts https www danfoss com en contact us contacts list Figure 5 Example of active front end section AFS_9 1 2 3 6 13851_00 ...

Page 22: ...s DC fuses 2 Fuse switch IEC FR4 FR6 3 The NXI drive s 4 Control box integrated into the module 5 Terminals for control and indication signals As pre engineered standard options we can provide the following dU dt ODU Input Switch DC disconnect ISD Arc detection ADU Motor fan control AMF Motor heater feeder AMH Mechanical break control AMB Top cabling COT UL approved design and components NAR Cabin...

Page 23: ...ctions vacon 23 Local contacts https www danfoss com en contact us contacts list Figure 6 Example of inverter unit IUS_4 Figure 7 Example of inverter unit IUS_6 1 2 5 3 4 ODU ACL 13852_00 1 2 5 3 4 ODU 13853_00 ACL ...

Page 24: ...vacon 24 Available sections Local contacts https www danfoss com en contact us contacts list Figure 8 Example of inverter unit IUS_8 1 ODU 3 4 5 13854_00 ...

Page 25: ...mode filter OCM Input Switch with charging ISC Arc detection ADU Motor fan control AMF Motor heater feeder AMH Mechanical break control AMB Top cabling COT UL approved design and components NAR Cabinet heater ACH Cabinet light ACL Table 11 Available IUS section sizes FI9 FI14 IUS type Drive size Width x Height x Depth mm Width x Height x Depth mm with ODU IUS_9 FI9 800 x 2100 x 605 800 x 2100 x 60...

Page 26: ...Available sections Local contacts https www danfoss com en contact us contacts list Figure 9 Example of inverter unit IUS_9 Figure 10 Example of inverter unit IUS_12 ISC 2 3 ODU 4 13855_00 ISC 2 3 4 ODU 13856_00 ...

Page 27: ...Available sections vacon 27 Local contacts https www danfoss com en contact us contacts list Figure 11 Example of inverter unit IUS_13 ISC 2 3 4 ODU 13857_00 ...

Page 28: ... following 1 Input fuses DC fuses 2 The NXI brake chopper 3 Service platform module removal 4 Control section and fixed external terminals 70 pcs As pre engineered standard options we can provide the following Input Switch with charging ISC Input Switch DC disconnect ISD Arc detection ADU Top cabling COT UL approved design and components NAR Cabinet heater ACH Cabinet light ACL The dynamic brake s...

Page 29: ...m en contact us contacts list 3 7 Transport split unit Transport Split Units are available for easy access to main bus joints between sections Table 12 Available TSU section sizes TSU type Width x Height x Depth mm TSU_200 200 x 2000 x 605 TSU_300 300 x 2000 x 605 ...

Page 30: ...s in Chapter 1 8 5 Make sure that there is enough free space around the cabinets See Chapter 4 2 1 6 Lift the first cabinet section into the desired installation location See Chapter 4 3 7 Fix the first cabinet section to the floor or wall See Chapter 4 3 8 Lift the second cabinet section next to the first section in a position from which it can be pushed into place 9 Before pushing the cabinets t...

Page 31: ...ximum acceptable height difference between cabinet front and rear edges should be within 2 0 mm limit 4 2 1 Free space around the cabinet Enough space must be left above and in front of the cabinet to ensure sufficient cooling and space for maintenance It is recommended to leave at least 200 mm above and 1000 mm in front of the cabinets Also make sure that the temperature of the cooling air does n...

Page 32: ... fixing Additionally the rails on the top of the cabinet have fixing lugs for fixing the cabinet to the wall or to another cabinet 4 3 1 Fixing the cabinet to the floor and wall If the cabinet is installed against a wall fix the top of the cabinet to the wall 1 and the front corners to the floor 2 with bolts If bottom only fixing is used fix the cabinet to the floor in the front 2 and in the back ...

Page 33: ...ections can also be installed back to back In this case fix the top parts of the cabinets together 1 and the front corners to the floor 2 with bolts Leave a gap between the backs of the cabinets Check the correct dimensions from the documents included in the delivery Figure 14 Fixing the cabinets back to back 2 2 1 13862_00 ...

Page 34: ...ctions in Chapter 5 3 Join together the DC AC and PE busbars by bolting them together with baying brackets The mounting bolts nuts and washers are delivered in place The busbars size of the nuts and bolts differ case by case See the correct tightening torque values for different size bolts and different types of connections in Chapter 4 7 4 4 1 Side by side connection Figure 15 Connecting the comm...

Page 35: ...tps www danfoss com en contact us contacts list Figure 16 Connecting the common AC busbars in UL cabinets 4 4 2 Back to back connection Figure 17 Connecting the common DC and PE busbars in back to back cabinet installation 15599_00 15600_00 ...

Page 36: ... two cabinet sections to each other you need six quick fit baying clamps 1 in figure below and four angular baying brackets 2 in figure The four angular baying brackets are installed in the top and bottom corners on the inside of the cabinet Three of the quick fit baying brackets are installed in the front and three in the back on the outside of the cabinet Figure 18 Quick fit baying clamps 1 2 1 ...

Page 37: ...ioned according to the frequency converter nominal output current which you can find on the rating plate Dimensioning according to the output current is recommended because the frequency converter input current never significantly exceeds the output current See the more detailed cabling and fuse selection instructions in the corresponding user manual see Chapter 1 5 Before connecting any cables us...

Page 38: ...l contacts https www danfoss com en contact us contacts list Figure 19 Cabling of the main incoming section MIS Figure 20 Cabling of inverter section IUS_4 L1 L2 L3 PE PE 13865_00 U2 V2 W2 U1 V1 W1 PU1 PU2 PU3 U3 V3 W3 13866_00 ...

Page 39: ...vacon 39 Local contacts https www danfoss com en contact us contacts list Figure 21 Cabling of inverter section IUS_6 Figure 22 Cabling of inverter section IUS_8 U2 V2 W2 U1 V1 W1 PU1 PU2 13867_00 U V W PE 13868_00 ...

Page 40: ... Local contacts https www danfoss com en contact us contacts list Figure 23 Cabling of inverter sections IUS_9 and IUS_10 Figure 24 Cabling of inverter section IUS_12 U V W PE 13869_00 U2 PU1 PU2 V2 W2 U1 V1 W1 PE 13870_00 ...

Page 41: ...Installation vacon 41 Local contacts https www danfoss com en contact us contacts list Figure 25 Cabling of inverter section IUS_13 U V W PE 13871_00 ...

Page 42: ... through the ferrite rings Do not route the PE ground wire through the ferrite rings Leave the cable screen below and outside the rings Mount the PE ground wire or pigtail on the ground busbar In case of parallel motor cables reserve an equal amount of ferrite ring sets for each cable Route all the phase conductors of one cable through one set of rings The delivery consists of fixed sets of ferrit...

Page 43: ...t least the standard compilation of two basic boards I O board and relay board which are normally installed in slots A and B The control board can be powered externally 24 V 10 by connecting the external power source to either of the bidirectional terminals This voltage is sufficient for parameter setting and for keeping the fieldbus active The tightening torques for the control unit terminals Rel...

Page 44: ...eparately transported cabinets are disconnected from the terminals The wiring diagrams for the connections are delivered with the system drive Auxiliary low voltage busbars Auxigaine are available as an option In this case the busbars of two cabinets are connected with quick connect bridge connectors The bridge connectors are installed by simply pressing them into place Figure 29 Installing the br...

Page 45: ...ered thread form ing screw M6x8 M6 9 1 Rittal hex head bolt 8x16 with toothed neck M8 9 1 Hex head bolt DIN 933 M12 20 2 Rittal IP rubber washer 1 Self tapping screw DIN 7049 ST 5 5 5 1 Self tapping screw DIN 7049 ST 5 5 5 1 Grounding braid Rittal door 15553_UK 2 3 Rittal frame Rittal 8800490 Rittal frame 1 15554_UK Rittal 8800430 Rittal frame Rittal M8 4163 1 15555_UK Rittal frame Lifting bar 1 2...

Page 46: ... DIN 934 1 Socket head bolt DIN 7984 M6 6 M8 20 M10 40 M12 70 2 Plain washer DIN 125 3 Nut DIN 934 4 Spring washer DIN 128 1 Rivet 1 Rivet 1 Self tapping screw DIN 7500 M4 1 5 M5 3 M6 6 2 Toothed washer DIN 6797 Table 14 Tightening torques Detail Part Size Tighteningtorque Nm 15 Grounding braid Rittal frame Rittal M8 4163 1 2 3 4 15559_UK 1 Fe Hinge 2 3 15560_00 1 SKF 2 2 3 4 Fe Fe 15561_00 Bearin...

Page 47: ...sher DIN 128 1 Screw DIN 7045 M4 1 5 M5 3 M6 6 2 Plain washer large DIN 9021 3 Spring washer DIN 128 1 Self tapping screw DIN 7049 ST 5 5 5 1 Hex head bolt DIN 933 M6 6 M8 20 M10 40 M12 70 2 Plain washer DIN 125 3 Nut DIN 934 4 Spring washer DIN 128 Table 14 Tightening torques Detail Part Size Tighteningtorque Nm 15 1 Fe Fe 15565_00 1 Fe UPGM 15566_00 1 2 3 Fe holder Fe 15567_UK 1 2 3 Fe holder PV...

Page 48: ...ut 4 Spring washer DIN 128 1 Hex head bolt DIN 933 M8 2 2 Nut DIN 934 3 Plain washer DIN 125 4 Plain washer large DIN 9021 5 Spring washer DIN 128 1 Hex head bolt DIN 933 M8 10 1 Hex head bolt DIN 933 M8 10 2 Plain washer DIN 125 3 Nut DIN 934 4 Spring washer DIN 128 Table 14 Tightening torques Detail Part Size Tighteningtorque Nm 15 1 3 4 4 3 2 Fe Fe 15571_00 1 4 2 Fe Fe 3 15572_00 1 4 5 3 2 Fe C...

Page 49: ...IN 933 M6 6 M8 20 M10 40 M12 70 2 Conical spring washer DIN 6796 1 Hex head bolt DIN 933 M6 6 M8 20 M10 40 M12 70 2 Spring washer DIN 128 1 Hex head bolt DIN 933 M6 6 M8 20 M10 40 M12 70 2 Conical spring washer DIN 6796 Table 14 Tightening torques Detail Part Size Tighteningtorque Nm 15 1 Socomec SB205 15576_00 1 3 2 Socomec SB205 Cu 15577_00 2 1 IS40 8S Cu 15578_00 IS40 8S Fe 2 1 15579_00 IC20 Cu...

Page 50: ...nical spring washer DIN 6796 1 Hex head bolt DIN 933 M6 6 M8 20 M10 40 M12 70 2 Nut DIN 934 3 Conical spring washer DIN 6796 1 Hex head bolt DIN 933 M6 6 M8 20 M10 40 M12 70 2 Plain washer DIN 125 3 Nut DIN 934 4 Conical spring washer DIN 6796 5 Spring washer DIN 128 Table 14 Tightening torques Detail Part Size Tighteningtorque Nm 15 IC20 Fe 1 2 15581_00 3 1 Cu Cu 2 3 15582_00 Cu Fe 3 1 2 3 15583_...

Page 51: ...her large DIN 9021 4 Conical spring washer DIN 6796 1 Hex head bolt DIN 933 M6 6 M8 20 M10 40 M12 70 2 Plain washer large DIN 9021 3 Nut DIN 934 4 Conical spring washer DIN 6796 1 Stud DIN 913 M8 10 M10 15 M12 15 2 Nut DIN 934 M8 13 5 M10 26 M12 46 3 Conical spring washer DIN 6796 Table 14 Tightening torques Detail Part Size Tighteningtorque Nm 15 Flexibar Cu 3 4 1 2 4 15585_UK Flexibar Cu Flexiba...

Page 52: ...Nut DIN 934 M8 13 5 M10 26 M12 46 3 Conical spring washer DIN 6796 1 Stud DIN 913 M8 10 M10 15 M12 15 2 Nut DIN 934 M8 13 5 M10 26 M12 46 3 Conical spring washer DIN 6796 1 Cup square neck bolt DIN 603 M6 6 M8 20 M10 40 M12 70 2 Nut DIN 934 3 Conical spring washer DIN 6796 Table 14 Tightening torques Detail Part Size Tighteningtorque Nm 15 44 TTQF 3 1 2 15589_00 83 TTQ 3 1 2 15590_00 84 TTQF 3 1 2...

Page 53: ... Nut DIN 934 3 Conical spring washer DIN 6796 1 Cup square neck bolt DIN 603 M6 6 M8 20 M10 40 M12 70 2 Plain washer DIN 125 3 Nut DIN 934 4 Spring washer DIN 128 1 Cup square neck bolt DIN 603 M6 6 M8 20 M10 40 M12 70 2 Nut DIN 934 3 Plain washer large DIN 9021 1 size bigger 4 Conical spring washer DIN 6796 Table 14 Tightening torques Detail Part Size Tighteningtorque Nm 15 Cu Cu 2 4 3 1 Cu 15593...

Page 54: ...t 1 Cup square neck bolt DIN 603 M6 6 M8 20 M10 40 M12 70 2 Plain washer large DIN 9021 1 size bigger 3 Plain washer large DIN 9021 4 Nut DIN 934 5 Conical spring washer DIN 6796 Table 14 Tightening torques Detail Part Size Tighteningtorque Nm 15 Cu Flexibar Flexibar 3 5 4 2 1 15597_UK ...

Page 55: ...ell need a certain amount of care taking and failure preventive maintenance To maintain trouble free operation of the VACON drives environmental conditions as well as load line power process control etc have to be within specifications determined by manufacturer If all conditions are in accordance with the manufacturer s specifications there are no other concerns but to provide a cooling capacity ...

Page 56: ...foss trained service personnel 1 Open the cabinet door 2 Disconnect all cables from the drive See Chapter 4 6 3 Release the drive assembly Remove the four M8x20 bolts tightening torque 20 Nm Figure 30 Drive assembly mounting bolts X in IUS_4 left and IUS_6 right 4 Pull out the drive assembly Figure 31 Pulling the drive assembly in IUS_4 left and IUS_6 right 13006 emf 13929_00 X X X X 13930_00 ...

Page 57: ...en the cabinet door 2 Release the drive assembly Remove the five M8x20 bolts tightening torque 20 Nm Figure 32 Drive assembly mounting bolts X 3 Pull out the drive assembly Figure 33 Pulling the drive assembly out of the cabinet 4 Disconnect all cables from the drive See Chapter 4 6 13931_00 X X 13932_00 ...

Page 58: ...e cabinet should not differ more than 5 mm from the level of the cabinet installation Figure 34 Lowering the service ramp 3 1 Loosen the four M5 screws tightening torque 3 Nm and remove the touch cover 2 Remove the six M8 screws torque 20 Nm and remove the upper holder plate 3 Remove the two M8 screws torque 20 Nm from the drive bottom holder plate Figure 35 Removing the drive touch cover and hold...

Page 59: ...m the upper busbars 2 two M12 nuts and M12x40 bolts torque 70 Nm from the lower busbars 3 two M8x20 screws torque 20 Nm from the back plate Take out the busbar assemblies including the fuses Figure 36 Releasing the input busbar assembly 5 Release the output busbars Remove three M10 nuts bolts tightening torque 40 Nm Figure 37 Busbar mounting screws 13912_00 1 3 3 2 13879_00 ...

Page 60: ...vacon 60 Service Local contacts https www danfoss com en contact us contacts list 6 Pull the drive out on the service ramp Figure 38 Pulling the drive out of the cabinet 13880_00 ...

Page 61: ...binet should not differ more than 5 mm from the level of the cabinet installation Figure 39 Lowering the service ramp 3 1 Loosen the four M5 screws tightening torque 3 Nm and remove the touch cover 2 Remove the eight M8 screws torque 20 Nm and remove the upper holder plate 3 Remove the two M8 screws torque 20 Nm from the drive bottom holder plate Figure 40 Removing the drive touch cover and holder...

Page 62: ... upper busbars 2 four M12 nuts and M12x40 bolts torque 70 Nm from the lower busbars 3 two M8x20 screws torque 20 Nm from the back plate Take out the busbar assemblies including the fuses Figure 41 Releasing the input busbar assembly 5 Release the output busbars Remove six M10 nuts bolts tightening torque 40 Nm Figure 42 Output busbar mounting screws 13935_00 1 3 3 1 2 2 13936_00 ...

Page 63: ...Service vacon 63 Local contacts https www danfoss com en contact us contacts list 6 Pull the drive out on the service ramp Figure 43 Pulling the drive out of the cabinet 13937_00 ...

Page 64: ...e cabinet should not differ more than 5mm from the level of the cabinet installation Figure 44 Lowering the service ramp 3 1 Loosen the four M5 screws tightening torque 3 Nm and remove the touch cover 2 Remove the eight M8 screws torque 20 Nm and remove the upper holder plate 3 Remove the four M8 screws torque 20 Nm from the drive bottom holder plate Figure 45 Removing the drive touch cover and ho...

Page 65: ...per busbars 2 six M12 nuts and M12x40 bolts torque 70 Nm from the lower busbars 3 two M8x20 screws torque 20 Nm from the back plate Take out the busbar assemblies including the fuses Figure 46 Releasing the input busbar assembly 5 Release the output busbars Remove three M12 nuts bolts tightening torque 70 Nm Figure 47 Output busbar mounting screws 13940_00 1 3 1 1 2 2 2 3 13941_00 ...

Page 66: ...vacon 66 Service Local contacts https www danfoss com en contact us contacts list 6 Pull the drive out on the service ramp Figure 48 Pulling the drive out of the cabinet 13942_00 ...

Page 67: ...of calculations every 150 microseconds This control can be used for applications requiring high precision such as sectional drives Speed error in steady state typically 0 01 pulse encoder type dependent Pulse encoder 250 5000 ppr at 5 12 or 24 V option board dependent Torque rise time 10 ms Torque error in steady state typically 3 6 2 Load definitions The drives are normally selected based on the ...

Page 68: ... now set as starting torque and as OL at maximum speed the overload is now defined as percent of torque at maximum speed The calculation of current is also here done assuming nominal flux in the motor from 0 to field weakening point current calculation according to optimized flux curve is not available Figure 49 Example pump and fan load 0 100 200 300 400 500 600 700 800 0 200 400 600 800 1000 120...

Page 69: ...ul when selecting the correct AC drive for constant torque drives where the overload demand at low speeds is higher than at high speeds This possibility is usually used when the field weakening point is higher than base speed The benefit from this can be the possibility to use a size smaller AC drive Figure 50 Example OL nbase OL nmax for constant torque load 0 200 400 600 800 1000 1200 0 200 400 ...

Page 70: ...torque drives where the starting torque requirement is much higher than the maximum load requirement at maximum speed This possibility is usually used when the field weakening point is higher than base speed and when the starting torque is needed for a very short time The benefit from this can be the possibility to use a size smaller AC drive Figure 51 Example Starting torque OL nmax for constant ...

Page 71: ...eds It is therefore possible to set the relative overload at base speed higher than the relative overload at maximum speed i e OL nbase OL nmax This will decrease the size of the motor when if thermal loadability is not the dimensioning limit Figure 52 Example OL nbase OL nmax for constant power load 0 500 1000 1500 2000 2500 3000 3500 0 200 400 600 800 1000 1200 1400 1600 cont load max load Speed...

Page 72: ...x This can be useful when selecting the correct motor and AC drive for constant power drives where the relative OL requirement is higher at maximum speed than the relative OL requirement at base speed The benefit from this can be the possibility to use a size smaller AC drive Figure 53 Example OL nbase OL nmax for constant power load 0 500 1000 1500 2000 2500 3000 0 200 400 600 800 1000 1200 1400 ...

Page 73: ...Output voltage Uout 465 800 V DC 380 500 V AC 640 1100 V DC 525 690 V AC Efficiency 98 DC bank capacitance 6 8 µF includes 10 MΩ discharging resistor Control characteristics Control method NFE is an independent power unit Charging and pro tections are controlled by the NFE itself Ambient conditions Ambient operating temperature 10 C no frost 40 C IH 10 C no frost 40 C IL Storage temperature 40 C 7...

Page 74: ...onnections Display 7 segment optional Trip information Relay I O optional Protection Unit over temperature protection Trips if temperature rises over trip level default Current measurement Trips if current rises over trip level default Supply phase supervision Trips if any of the output phases is missing default Table 16 Technical specifications for non regenerative front end NFE drives ...

Page 75: ... 1 5 derating for each 1 C above 40 C maximum temperature 50 C Storage temperature 40 C 70 C Relative humidity 0 to 95 RH non condensing non corrosive no dripping water Air quality chemical vapours mechanical particles EN 60721 unit in operation Class 3C3 IEC 721 3 3 unit in operation Class 3S2 Altitude 100 load capacity no derating up to 1000 m 1 5 derating for each 100m above 1000 m Max 2000 m 5...

Page 76: ...or output 50 mA 48 V Relay outputs 2 programmable change over relay outputs Switching capacity 24 V DC 8 A 250 V AC 8 A 125 V DC 0 4 A Min switching load 5 V 10 mA Protection Overvoltage protection Undervoltage protection NXA_5 911 V DC NXA_6 1200 V DC NXA_5 333 V DC NXA_6 460 V DC Ground fault protection In case of an ground fault in the supply cable the ground fault protection only protects the ...

Page 77: ...temperature max 50 C overloadability 1 5 x IH 1 min 10 min IL Ambient temperature max 40 C overloadability 1 1 x IL 1 min 10 min Starting torque IS for two seconds depends on the motor Peak current IS for 2 s every 20 s Output frequency 0 320 Hz 7200 Hz special use Frequency resolution Depends on application Control characteristics Control method Frequency control U f Open loop sensorless vector c...

Page 78: ... max 15 G 11 ms in package Enclosure class FR4 FR7 IP21 NEMA1 standard FR8 IP00 standard EMC at default settings Immunity Fulfils all EMC standards Safety EN 50178 1997 EN 60204 1 1996 EN 60950 2000 3rd edition as relevant CE UL CUL FI GOST R IEC 61800 5 see unit nameplate for more detailed approvals Control connections Analogue input voltage 0 10 V Ri 200 kΩ 10 V 10 V joystick control Resolution ...

Page 79: ...n case of an ground fault in the motor or motor cable only the inverter is protected Output phase supervision Trips if any of the output phases is missing Over current protection Yes Unit over temperature protection Yes Motor overload protection Yes Motor stall protection Yes Motor underload protection Yes Short circuit protection of 24 V and 10 V reference voltages Yes Table 18 Technical specific...

Page 80: ...lay 5 s Motor connection Output voltage Uout 3 0 Uin 1 4 Continuous output current IH Ambient temperature max 40 C overloadability 1 5 x IH 1 min 10 min IL Ambient temperature max 40 C overloadability 1 1 x IL 1 min 10 min Starting torque IS for two seconds depends on the motor Peak current IS for 2 s every 20 s Output frequency 0 320 Hz 7200 Hz special use Frequency resolution Depends on applicat...

Page 81: ...Ploss kW Pmot kW 0 02 Cooling air required FI9 1150 m3 h FI10 1400 m3 h FI12 2800 m3 h FI13 4200 m3 h FI14 2 4200 m3 h Enclosure class IP00 EMC at default settings Immunity Fulfil all EMC immunity requirements Level T Safety CE UL CUL EN 61800 5 1 2003 see unit nameplate for more detailed approvals Control connections Analogue input voltage 0 10 V Ri 200 kΩ 10 V 10 V joystick control Resolution 0 ...

Page 82: ...protection NXI_5 911 V DC NXI_6 1200 V DC NXI_5 333 V DC NXI_6 460 V DC Ground fault protection In case of an ground fault in the motor or motor cable only the inverter is protected Output phase supervision Trips if any of the output phases is missing Over current protection Yes Unit over temperature protection Yes Motor overload protection Yes Motor stall protection Yes Motor underload protection...

Page 83: ...Document ID DPD01365C Rev C Sales code DOC INSNXPSD DLUK Vacon Ltd Member of the Danfoss Group Runsorintie 7 65380 Vaasa Finland www danfoss com ...

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