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  5. Installation & Maintenance

Vacon 20 x Installation & Maintenance

Summary of 20 x

  • Page 1

    Vacon ® 20 x ac drives installation, technical and maintenance manual.

  • Page 3

    Vacon • 1 local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ i ndex document code (original instructions): dpd00992h order code: doc-ins06663+dluk rev. H revision release date: 9.12.16 1. Safety.......................................................................................

  • Page 4

    Vacon • 2 local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 5.4.1 modbus rtu protocol .......................................................................................................54 5.4.2 preparation for use through rs485.................................................

  • Page 5

    Vacon • 3 local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 9.6.2 checklist for commissioning ..........................................................................................111 9.7 parameters and fault tracing ...........................................................

  • Page 6

    1 vacon • 4 safety local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 1. S afety this manual contains clearly marked warning information which is intended for your personal safe- ty and to avoid any unintentional damage to the product or connected appliances. Please read the wa...

  • Page 7

    Safety vacon • 5 local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 1 1.3 danger the components of the power unit of vacon ® 20 x drives are live when the drive is connected to the mains potential. Coming into contact with this voltage is extremely dangerous and may cause death...

  • Page 8

    1 vacon • 6 safety local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 1.4 warnings vacon ® 20 x ac drive is meant for fixed installations only. Only dvc a circuits (decisive voltage class a, according to iec 61800-5-1) are allowed to be connected to the control unit. This advic...

  • Page 9

    Safety vacon • 7 local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 1 1.5 grounding and earth fault protection the vacon ® 20 x ac drive must always be grounded with a grounding conductor connected to the grounding terminal marked with . Since the touch current exceeds 3.5 ma a...

  • Page 10

    1 vacon • 8 safety local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ figure 2. Protective grounding connections mu2, single-phase version. In vacon ® 20 x, the phase conductor and the corresponding protective grounding conductor can be of the same cross-sectional area, provide...

  • Page 11

    Safety vacon • 9 local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 1 1.6 insulation system a distinction has to be made for the following three groups of terminals, according to the insulation system of vacon ® 20 x: • mains and motor connections (l1, l2, l3, u, v, w) or (l, n...

  • Page 12

    1 vacon • 10 safety local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ figure 4. Insulation system (single-phase version). 1.7 compatibility with rcds (*) only for 3~ units. (**) the relays may be used also with dvc a circuits. This is possible only if both relays are used for ...

  • Page 13

    Safety vacon • 11 local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 1 1.8 extended temperature range vacon ® 20 x has an integrated cooling system, independent from the motor fan. Under maximum operating conditions, the ambient temperature cannot exceed 40 °c. See table 28 for...

  • Page 14: Eu Declaration of Conformity

    1 vacon • 12 safety local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 1.9 declaration of conformity figure 6. Declaration of conformity. Date issued by date approved by 15-04-2016 signature name: antti vuola title: head of standard drives 15-04-2016 signature name: timo kasi t...

  • Page 15

    Safety vacon • 13 local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 1 figure 7. Sto certificate..

  • Page 16

    1 vacon • 14 safety local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ note! You can download the english and french product manuals with applicable safety, warning and caution information from http://drives.Danfoss.Com/knowledge-center/technical-documentation/ . Remarque vous ...

  • Page 17

    Receipt of delivery vacon • 15 local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 2 2. R eceipt of delivery check the correctness of delivery by comparing your order data to the drive information found on the package label. If the delivery does not correspond to your order, con...

  • Page 18

    2 vacon • 16 receipt of delivery local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 2.1 type designation code vacon ® type designation code is formed of a nine-segment code and optional +codes. Each seg- ment of the type designation code uniquely corresponds to the product and ...

  • Page 19

    Receipt of delivery vacon • 17 local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 2 2.2 order codes the order codes for vacon ® 20 x drive family are shown in the following table: for all technical details, see chapter 7. Table 3. Order codes of vacon ® 20 x. Enclosure size ord...

  • Page 20

    2 vacon • 18 receipt of delivery local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 2.3 unpacking and lifting the ac drive the weights of the ac drives vary according to enclosure size. Note the weights of each individual enclosure size in table below. Vacon ® 20 x drives have ...

  • Page 21

    Receipt of delivery vacon • 19 local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 2 2.4.1 ‘product modified’ sticker in the small plastic bag included in the delivery, you will find a silver product modified sticker. The purpose of the sticker is to notify the service staff abo...

  • Page 22

    3 vacon • 20 mounting local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 3. M ounting the ac drive has to be mounted on the wall or on the back plane of a cubicle. Ensure that the mounting plane is relatively even. Both enclosure sizes can be mounted in any position. Fix the dr...

  • Page 23

    Mounting vacon • 21 local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 3 figure 12. Vacon ® 20 x, mu3. The drive can be mounted in vertical or horizontal position on the wall or any other relatively even mounting plane or machine enclosure and fixed with the screws recommended ...

  • Page 24

    3 vacon • 22 mounting local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 3.2 cooling the ac drive produces heat in operation and is cooled down by air circulated by a fan. Enough free space must be left around the ac drive to ensure sufficient air circulation and cooling. Diffe...

  • Page 25

    Mounting vacon • 23 local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 3 figure 14. Installation space when drives are mounted on top of each other. B+c air def lec tor.

  • Page 26

    4 vacon • 24 power cabling local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 4. P ower cabling the mains cables are connected to terminals l1, l2 and l3 (or l and n) and the motor cables to terminals marked with u, v and w. See principal connection diagrams in figure 15 and fi...

  • Page 27

    Power cabling vacon • 25 local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 4 use cables with heat resistance in accordance with the application requirements. The cables and the fuses must be dimensioned according to the ac drive nominal output current which you can find on the...

  • Page 28

    4 vacon • 26 power cabling local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 4.1 circuit breaker disconnect the drive via an external circuit breaker. You have to provide a switching device between the supply and main connection terminals. When connecting the input terminals t...

  • Page 29

    Power cabling vacon • 27 local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 4 4.3 description of the terminals the following pictures describe the power terminals and the typical connections in vacon ® 20x drives. 4.3.1 mu2 three-phase version power connections figure 18. Power...

  • Page 30

    4 vacon • 28 power cabling local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 4.3.2 mu2 single-phase version power connections figure 19. Power connections, mu2 single-phase version. Table 11. Description of vacon ® 20 x mu2 power terminals (single-phase version). Terminal desc...

  • Page 31

    Power cabling vacon • 29 local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 4 4.3.3 mu3 power connections figure 20. Power connections, mu3. Table 12. Description of vacon ® 20 x power terminals. Terminal description l1 l2 l3 these terminals are the input connections for the po...

  • Page 32

    4 vacon • 30 power cabling local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 4.4 cable dimensioning and selection table 13 shows the minimum dimensions of the cu cables and the corresponding fuse sizes. These instructions apply only to cases with one motor and one cable connec...

  • Page 33

    Power cabling vacon • 31 local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 4 4.4.2 cable and fuse sizes, enclosures mu2 and mu3, north america the recommended fuse types are class t (ul & csa). The fuse voltage rating should be selected according to the supply network. The fin...

  • Page 34

    4 vacon • 32 power cabling local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 4.4.3 recommended fuse sizes for group installation a group installation is a configuration in which one fuse is intended to provide protection for more than one drive. In this case, the fuse acts as ...

  • Page 35

    Power cabling vacon • 33 local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 4 4.5 brake resistor cables vacon ® 20 x ac drives (three-phase version) are equipped with terminals for an optional external brake resistor. For mu2, brake resistor wires with faston 6.3 mm have to be ...

  • Page 36

    4 vacon • 34 power cabling local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 4.7 cable installation • before starting, check that none of the components of the ac drive is live. Read the warnings in chapter 1 carefully • place the motor cables sufficiently far from other cable...

  • Page 37

    Power cabling vacon • 35 local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 4 figure 22. Mu2 example: open cover. Iec installations: 2 • remove the plastic cover of the drive as shown in figure 22. 3 • the cable entries consists of several openings available for the cables with...

  • Page 38

    4 vacon • 36 power cabling local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ figure 23.Cable entries, mu2. Figure 24. Cable entries, mu3. 5 • cable glands must be made of plastic materials. They are used for sealing cables passing through cable entries to ensure the characteri...

  • Page 39

    Power cabling vacon • 37 local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 4 figure 25. Cable gland. Tightening torque and dimensions of cable glands: ul installations: plastic cable glands are recommended. If metal cable glands are needed, all insulation system and protective...

  • Page 40

    4 vacon • 38 power cabling local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ figure 26. Npt-to-metric threads adapter. Tightening torque of npt adapters to metric threads cable entries: npt adapter order information: m20 -> adec m20-t12 m25 -> adec m25-t34 11 • teflon tape has...

  • Page 41

    Power cabling vacon • 39 local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 4 cables installation: tightening torques of cable terminals: 13 • pass the cables (supply cable, motor cable, brake cable and i/o cables) through the pipes and adapters (ul installations) or through th...

  • Page 42

    4 vacon • 40 power cabling local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 4.8 wiring way in the following picture an example of wire cabling is given: figure 27. Wiring example with three-phase versions. Input line motor output relays i/o terminals sto terminals option boar...

  • Page 43

    Control unit vacon • 41 local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 5 5. C ontrol unit 5.1 opening the drives figure 28. Open front cover of the drive: control unit mu2 (three-phase version). Figure 29. Open front cover of the drive: control unit mu2 (single-phase versio...

  • Page 44

    5 vacon • 42 control unit local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ figure 30. Open front cover of the drive: control unit mu3..

  • Page 45

    Control unit vacon • 43 local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 5 5.2 control units mu2 and mu3 the control unit of the ac drive consists of the control board and additional boards (option boards) connected to the slot connectors of the control board. The locations o...

  • Page 46

    5 vacon • 44 control unit local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ figure 32. Locations of the components in control unit of mu2 (single-phase version). Figure 33. Location of the components in the control unit of mu3..

  • Page 47

    Control unit vacon • 45 local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 5 when delivered from the factory, the control unit of the ac drive contains the standard controlling interface - the control terminals of the control board and the relay board - unless otherwise spe- ci...

  • Page 48

    5 vacon • 46 control unit local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 5.3 control unit cabling the principal terminal block placement is shown in figure 34 below. The control board is equipped with 18 fixed control i/o terminals and the relay board with 5. Additionally, ...

  • Page 49

    Control unit vacon • 47 local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 5 5.3.2 standard i/o terminals the terminals of the standard i/o and the relays are described below. For more information on con- nections, see chapter 7.3.1. The terminals shown on shadowed background a...

  • Page 50

    5 vacon • 48 control unit local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 5.3.3 relay terminals 5.3.4 safe torque off (sto) terminals for more information on the functionalities of the safe torque off (sto), see chapter 9. This func- tion is available only in the three-phase...

  • Page 51

    Control unit vacon • 49 local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 5 5.3.5 description of additional echo connectors in this paragraph you will find the description of the additional echo connector for the i/o terminals. Figure 35. The i/o remote echo connector mounted ...

  • Page 52

    5 vacon • 50 control unit local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ to connect i/os to the control unit through echo terminals this connector has to be used. In the fol- lowing table, the correspondence between the pins of this connector and the vacon ® 20 x termi- nal...

  • Page 53

    Control unit vacon • 51 local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 5 5.3.6 led handling as vacon ® 20 x is often without the keypad, on the plastic cover of the drive there are 4 status leds. See the picture below. Figure 37. Led position on the mu2 cover. Led “pwr” (or...

  • Page 54

    5 vacon • 52 control unit local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 5.3.7 selection of terminal functions with dip switches the vacon ® 20 x drive embodies four so-called switches that allow for two functional selections each. The shadowed terminals in table 21 can be ...

  • Page 55

    Control unit vacon • 53 local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 5 5.4 fieldbus connection modbus is a communication protocol developed by modicon systems. In other words, it is a way of sending information between electronic devices. The device requesting the informa...

  • Page 56

    5 vacon • 54 control unit local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 5.4.1 modbus rtu protocol vacon ® 20 x drive is equipped with modbus support as standard. The ac drive can be connected to fieldbus through rs485. The connection for rs485 is on the standard i/o (termi...

  • Page 57

    Control unit vacon • 55 local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 5 5.4.2 preparation for use through rs485 1 strip about 15 mm of the rs485 cable (see specification on table 25) and cut off the grey cable shield. Remember to do this for both bus cables (except for the...

  • Page 58

    6 vacon • 56 commissioning local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 6. C ommissioning before commissioning, note the following directions and warnings: internal components and circuit boards of vacon ® 20 x drive (except for the gal- vanically isolated i/o terminals) ...

  • Page 59

    Commissioning vacon • 57 local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 6 6.1 commissioning of the drive read carefully the safety instructions in chapter 1 and above and follow them. After the installation: check that both the ac drive and the motor are grounded. Check tha...

  • Page 60

    6 vacon • 58 commissioning local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 6.2 changing emc protection class if your supply network is an it (impedance-grounded) system but your ac drive is emc-protected according to class c1 or c2 you need to modify the emc protection of th...

  • Page 61

    Commissioning vacon • 59 local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 6 figure 42. Changing of the emc class in mu2 control unit. 2 remove the emc plate from the control unit. Then lift the plate with pliers to dis- connect the emc plate from the ground. See figure 42. Th...

  • Page 62

    6 vacon • 60 commissioning local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 6.2.2 changing emc protection class - mu2 single-phase version figure 43. Changing the emc class in the mu2 (single-phase version). 1 remove the emc screw as shown in the figure 43..

  • Page 63

    Commissioning vacon • 61 local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 6 6.2.3 changing emc protection class - mu3 figure 44. Changing the emc class in the mu3 control unit. 1 remove the emc screw as shown in the figure 44. Caution! Before connecting the ac drive to mains ...

  • Page 64

    6 vacon • 62 commissioning local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 6.3 running the motor motor run check list 6.3.1 cable and motor insulation checks 1. Motor cable insulation checks disconnect the motor cable from terminals u, v and w of the ac drive and from the mo...

  • Page 65

    Commissioning vacon • 63 local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 6 6.4 maintenance in normal conditions, the ac drive is maintenance-free. However, regular maintenance is recom- mended to ensure trouble-free operation and longevity of the drive. We recommend the tabl...

  • Page 66: Mu2

    7 vacon • 64 technical data local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 7. T echnical data 7.1 ac drive power ratings 7.1.1 mains voltage 3ac 208-240v note: the rated currents in given ambient temperatures (in table 27) are achieved only when the switching frequency is e...

  • Page 67: Mu2

    Technical data vacon • 65 local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 7 7.1.3 mains voltage 3ac 380-480v note: the rated currents in given ambient temperatures (in table 29) are achieved only when the switching frequency is equal to or less than the factory default. 7.1....

  • Page 68

    7 vacon • 66 technical data local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 7.2 brake resistor ratings make sure that the resistance is higher than the minimum resistance defined. The power handling capacity must be sufficient for the application. Brake chopper is available ...

  • Page 69

    Technical data vacon • 67 local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 7 7.3 vacon ® 20 x - technical data table 32. Vacon ® 20 x technical data. Mains connection input voltage u in 3ac 208…240v 1ac 208...240v 3ac 380...480v input voltage tolerance -15%…+10% continuously ...

  • Page 70

    7 vacon • 68 technical data local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ communication interface fieldbus standard: serial communication (rs485/ modbus); optional: canopen; profibus dp, lonworks, devicenet, profinet io, ethernet ip, modbus tcp, ethercat, as-interface stat...

  • Page 71

    Technical data vacon • 69 local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 7 approvals functional safety tÜv - tested electrical safety tÜv - tested emc tÜv - tested usa, canada culus approval, file number e171278 declaration of conformity korea kc mark australia rma declarat...

  • Page 72

    7 vacon • 70 technical data local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 7.3.1 technical information on control connections table 33. Technical information on standard i/o terminals. Standard i/o terminal signal technical information a rs485 differential receiver/transmit...

  • Page 73

    Technical data vacon • 71 local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 7 table 34. Technical information on relays. Relays terminal signal technical information 22 relay output 1 * * if 230vac is used as control voltage from the output relays, the control circuitry must b...

  • Page 74

    8 vacon • 72 options local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 8. O ptions 8.1 vacon ® keypad with seven-segment display the text keypad is an option available for vacon ® 20 x. The control keypad is the interface between the vacon ® 20 x ac drive and the user. Figure ...

  • Page 75

    Options vacon • 73 local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 8 figure 48. Disconnection of the hmi cap from the drive. Figure 49. Mounting of the keypad..

  • Page 76

    8 vacon • 74 options local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ figure 50. Tighten the two screws (maximum tightening torque 0.5 nm) of the keypad cable to the enclosure of the drive. Keypad mounted onto the drive..

  • Page 77

    Options vacon • 75 local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 8 8.1.2 text keypad - buttons with the keypad it is possible to control the speed of the motor, to supervise the state of the drive and to set the ac drive’s parameters. The button section of the text keypad ...

  • Page 78

    8 vacon • 76 options local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 8.2 text keypad the keypad display indicates the status of the motor and the drive and any irregularities in motor or drive functions. On the display, the user can see the information about his present loca...

  • Page 79

    Options vacon • 77 local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 8 8.4 using the keypad this chapter provides you with information on navigating the menus on vacon ® 20 x and editing the values of the parameters. 8.4.1 main menu the menu structure of vacon ® 20 x control s...

  • Page 80

    8 vacon • 78 options local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 8.4.2 resetting fault when a fault appears and the drive stops, examine the cause of the fault, perform the action advised in the fault tracing paragraph and reset the fault by pressing the reset button. 8....

  • Page 81

    Options vacon • 79 local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 8 8.4.5 monitoring menu monitoring values are actual values of measured signals as well as status of some control settings. It is visible in vacon ® 20 x display, but it can not be edited. The monitoring valu...

  • Page 82

    8 vacon • 80 options local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 8.4.6 parameter menu in parameter menu only the quick setup parameter list is shown as default. To view the other ad- vanced parameter groups, see the application manual. The following figure shows the para...

  • Page 83

    Options vacon • 81 local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 8 8.4.7 system/fault menu sys/flt menu including fault submenu, field bus submenu and system parameter submenu. In system parameter submenu, there are some editable parameter (p) and some not editable param- ...

  • Page 84

    8 vacon • 82 options local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 8.4.7.1 faults under this menu, you can find active faults , reset faults , fault history , counters and software in- fo. In active fault situation, fault arrow is blinking and the display is blinking activ...

  • Page 85

    Options vacon • 83 local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 8 8.4.8 fault tracing table 36. Fault codes and descriptions. Fault code fault name subcode possible cause remedy 1 overcurrent ac drive has detected too high a current (>4*i h ) in the motor cable: • sudden ...

  • Page 86

    8 vacon • 84 options local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 101 modbus buffer overflow check modbus specifications for time-out. Check cable length. Reduce ambient noise. Check baudrate. 104 option board channel full check contacts in option board slot. Try to reduc...

  • Page 87

    Options vacon • 85 local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 8 9 undervoltage dc-link voltage is under the volt- age limits defined. • most probable cause: too low a supply voltage • ac drive internal fault • defect input fuse • external charge switch not closed note! ...

  • Page 88

    8 vacon • 86 options local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 35 application error 0 firmware interface version between application and control not matching load a compatible application. Please contact your closest vacon ® representative. 1 application software flash...

  • Page 89

    Options vacon • 87 local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 8 8.5 option boards vacon ® 20 x drive family embodies a wide selection of expander boards with which the available i/o of vacon ® 20 x ac drive can be increased and its versatility improved. There is one boa...

  • Page 90

    8 vacon • 88 options local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 8.5.1 option board installation figure 58. Opening the main cover, mu3 example. Note! Do not add or replace option boards or fieldbus boards on an ac drive with the power switched on. This may damage the bo...

  • Page 91

    Options vacon • 89 local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 8 figure 59. Removing the option slot cover..

  • Page 92

    8 vacon • 90 options local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 3 • make sure that the sticker on the connector of the board says “dv” (dual voltage). This indicates that the board is compatible with vacon ® 20 x. See below: • note: incompatible boards cannot be install...

  • Page 93

    Options vacon • 91 local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 8 figure 60. Option board installation. 5 • mount the option slot cover..

  • Page 94

    8 vacon • 92 options local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ figure 61. Mounting of option slot cover: remove the plastic opening for the option board ter- minals..

  • Page 95

    Options vacon • 93 local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 8 8.6 mains switch the purpose of the mains switch is to disconnect the vacon ® 20 x from the mains when, for exam- ple, service actions are needed. The mains switch is available as option and it can be integ...

  • Page 96

    8 vacon • 94 options local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 8.6.1 installation figure 63. Cover open (mu2 3-phase example). 1 • remove the hmi cap and the cover from the drive. See the figure 63. 2 • open only the inlet holes where you need to run the cables. Cables...

  • Page 97

    Options vacon • 95 local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 8 figure 64. Mains switch and cables connected (mu2 3-phase example). 7 • connect the ground wire to the proper terminal (see the yellow-green cable on figure 64..

  • Page 98

    8 vacon • 96 options local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ figure 65. Mount the plastic cover. 8 • mount the plastic cover onto the drive with its screws and hmi cap: the instal- lation process has been completed. See figure 65..

  • Page 99

    Options vacon • 97 local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 8 8.7 simple operator panel the purpose of the simple operator panel is to provide a local control with start/stop selector and potentiometer for frequency reference together with a mains switch to disconnect...

  • Page 100

    8 vacon • 98 options local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 8.7.1 installation figure 67. Cover open (mu2 3-phase example). Mu3 mu3 qdsh option spare kit 60s01209 main switch 40a nlt40 and operator panel assembly 1 mu3 cover for main switch 1 m4x14 screw 2 m5x23 scr...

  • Page 101

    Options vacon • 99 local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 8 figure 68. Simple operator panel connected (mu2 3-phase example). 3 • connect the supply cable to the mains switch passing through the cable gland from the bottom side (use the cable gland for sealing the c...

  • Page 102

    8 vacon • 100 options local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 7 • connect the ground wire to the proper terminal (see the yellow-green cable on figure 68. 8 • connect the cables from the potentiometer and from the selector to the i/o control terminals. The cables hav...

  • Page 103

    Options vacon • 101 local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 8 figure 69. Mount the plastic cover. Switch selector 24v auxiliary voltage yellow wire 6 digital input di1 white wire 8 digital input di2 grey wire 9 11 • mount the plastic cover onto the drive with its scr...

  • Page 104

    9 vacon • 102 safe torque off local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 9. S afe t orque o ff this chapter describes the safe torque off (sto) function which is a functional safety feature pres- ent into vacon ® 20 x drive products as standard. This function is availab...

  • Page 105

    Safe torque off vacon • 103 local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 9 9.3 standards the sto function has been designed for use in accordance with the following standards: the sto function has to be applied correctly to achieve the desired level of operational safety....

  • Page 106

    9 vacon • 104 safe torque off local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 9.4 the principle of sto the sto functionality, such as the technical principles and data (wiring examples and commission- ing) will be described in this chapter. In vacon ® 20 x, the sto function ...

  • Page 107

    Safe torque off vacon • 105 local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 9 9.4.1 technical details the sto inputs are digital inputs intended for a nominal 24v d.C. Input, positive logic (e.G. Enabled when high). The reaction time of the sto function is the amount of time...

  • Page 108

    9 vacon • 106 safe torque off local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 9.5 connections to make the sto function available and ready to be used, both sto jumpers have to be removed. They have been located in front of the sto terminal to mechanically prevent the inserti...

  • Page 109

    Safe torque off vacon • 107 local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 9 9.5.1 safety capability cat.4 / pl e / sil 3 for this safety capability, an external safety device must be installed. This must be used to dynam- ically activate the sto inputs and to monitor the s...

  • Page 110

    9 vacon • 108 safe torque off local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ the picture below shows an example of connection for the sto function. The external device has to be connected with 6 wires to the drive. Figure 73. Sto example with automatic monitoring of the fee...

  • Page 111

    Safe torque off vacon • 109 local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 9 9.5.2 safety capability cat. 3 / pl e / sil 3 the safety capability is reduced to cat. 3 / pl e / sil 3 if the sto inputs are statically used (which means they are forced to commute together). Both...

  • Page 112

    9 vacon • 110 safe torque off local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 9.5.4 safety capability cat.1 / pl c / sil 1 without any automatic monitoring of sto output feedback, the safety capability is reduced to cat. 1 / pl c / sil 1. The sto inputs (which can be connect...

  • Page 113

    Safe torque off vacon • 111 local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 9 9.6 commissioning 9.6.1 general wiring instructions the wiring should be done according to the general wiring instructions for the specific product. A shielded cable is required. In addition, the v...

  • Page 114

    9 vacon • 112 safe torque off local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 9.7 parameters and fault tracing there are no parameters for the sto function itself. To re-enable motor operation, after the sto state, it is necessary to perform the following steps: • release th...

  • Page 115

    Safe torque off vacon • 113 local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 9 9.8 maintenance and diagnostics the sto function or the sto input/output terminals do not need any maintenance. The following table shows faults that may be generated by the software that monitors ...

  • Page 116

    10 vacon • 114 solar pump application local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 10. S olar pump application the installation instructions in this chapter are intended only for vacon ® 20 x drives with addition- al solar pump application. 10.1 danger 10.2 dc fuse select...

  • Page 117

    Solar pump application vacon • 115 local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 10 10.3 manufacturers of gpv fuses recommanded manufacturers of gpv type fuses: • littelfuse • siba • bussmann • mersen • eti • df electric 10.4 parallel diode selection when vacon ® 20 x is u...

  • Page 118

    10 vacon • 116 solar pump application local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 10.5 photovoltaic system dimensioning the photovoltaic system has to be dimensioned in order to not exceed the values specified in the tables below. Table 57. Diode specification, mains vol...

  • Page 119

    Solar pump application vacon • 117 local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 10 10.6 grounding 10.6.1 pole grounding it is prohibited to connect any pole, dc+ or dc-, of the photovoltaic system directly to pe. 10.6.2 drive grounding all non-current-carrying metal parts...

  • Page 120

    10 vacon • 118 solar pump application local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 10.9 dc power connection figure 76. Example of the power connections: mu2 1ac 11744_uk dc switch protection diode dc fuses 3ac pe dc- dc power supply dc+ pes.

  • Page 121

    Solar pump application vacon • 119 local contacts: http://drives.Danfoss.Com/danfoss-drives/local-contacts/ 10 figure 77. Example of the power connections: mu3 11744_uk dc switch protection diode dc fuses 3ac pe dc+ dc power supply dc- pes.

  • Page 122

    Document id: dpd00992h rev. H vacon ltd member of the danfoss group runsorintie 7 65380 vaasa finland www.Danfoss.Com.