Nx Networks NX series user manual 2886, Cabling and connections, Power unit

Page 28

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Cabling and connections

6.CABLING AND CONNECTIONS

6.1 Power unit

The following wiring diagrams show the mains and motor connections of the frequency converter.

Power board

 

 

 

 

BR

 

 

 

L1 L2 L3

B-

B+R-

U

V

W

 

 

BR

 

 

 

 

 

(option)

 

 

 

External

 

 

External

RFI-filter

 

 

filter

 

(option)

 

 

(option)

 

L1* L2* L3

 

 

 

 

 

 

 

 

 

M

 

nk6_1.fh8

 

 

 

3~

 

Figure 6-1. Principal wiring diagram of NX5 power unit, FR4 to FR6 *When using 1-phase supply, connect the cables to terminals L1 and L2.

6

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Contents NX series Start-up Quick Guide Contents NX USER’S Manual 486 Application Manual586 Index686 Control KeypadSafety instructions Safety786 Running the motor Earthing and earth fault protection= Dangerous voltage = General warning Technical criteria GeneralNX frequency converter EMC classification 1086 Class TClass N Manufacturers declaration of conformityEU Declaration of Conformity 11861286 Receipt of shipmentType designation code StorageWarranty Maintenance1386 1486 Technical dataIntroduction 1586 1686 Power ratings1 NX5 Mains voltage 380-500 1786 CharacteristricsTechnical data 18861986 InstallationMounting 2086 Installation NX dimensions, IP21Installation 2186 NX dimensions, IP21 with collar, FR4 to FR62286 Installation Opening needed for the collar installation, FR4 to FR6Installation 2386 NX dimensions, IP21 with collar, FR7 and FR82486 Installation Opening needed for the collar installation, FR7/FR82586 CoolingPower loss as function of switching frequency Power loss2686 Power loss as function of switching frequency 0038…0061NX5 27862886 Power unitCabling and connections External RFI-filter Filter Option 2986Power connections Mains cableMotor cable Control cable3186 Cable and fuse sizesInstallation instructions 32863386 3486 Stripping lengths of motor and mains cablesNX frequency converter frames and installation of cables 35863686 NX, FR5. Protection class IP213786 NX, FR6. Protection class IP213886 10. NX, FR7. Protection class IP213986 Cable installation and the UL standardsCable and motor insulation checks Control unit 4086Control connections NXOPTA1 4186Control cables Galvanic isolation barriersControl terminal signals 4386Digital input signal inversions 4486+24V Ground +24VJumper block AI1 mode AI2 mode 45864686 Control keypadIndications on the Keypad display Drive status indications See control keypadSee .3.4, Active Faults 4786Control place indications See control keypad Status LEDs green green red See control keypad4886 Reset Keypad push-buttonsButton descriptions SelectNavigation on the control keypad No editing 51865286 Monitoring menu M15386 Parameter menu M25486 P1 P18 Keypad control menu M3 Select the keypad as the active control place by keepingSelection of control place Control placeKeypad reference Keypad directionFault types Active faults menu M45886 Fault type symbol Meaning 5986Fault codes 6086Fault code Possible cause Correcting measures 6186Fault time data record 6286Fault history menu M5 63866486 System menu M66586 Functions in the System menuCode Function Min Max Unit Default Cust Selections 6686Application selection 6786Language selection System settings 6886ChangeEnable ChangeDisabl 6986Connected Not conn 70867186 Keypad settingsExample Keypad settings Default 72867386 Parameter copy7486 20. Storing and loading of parameter sets7586 Parameter comparison7686 Information submenu7786 Counters menu7886 Trip counters submenu7986 Expander board menu M7G1 G2 Auto8086 Further keypad functions8186 CommissioningCommissioning of the frequency converter 8286 8386 Fault tracing 84868586 Bulgaria
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