Danfoss · 93 стр.

Руководство по эксплуатации Danfoss VLT 2900 (EN)

Оригинальное название: VLT 2900 Manual

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VLT ® 2900 Series Contents Quick Setup 3 General warning 3 Mechanical Installation 3 Electrical Installation, power 3 Electrical Installation, control cables 3 Programming 3 Motor start 4 Safety regulations 4 Warning against unintended start 4 Introduction to VLT 2900 5 Software version 5 High voltage warning 7 These rules concern your safety 7 Warning against unintended start 7 Control unit 8 Manual initialisation 8 Hand Auto 9 Automatic motor tuning 10 Programming 11 Operation & Display 11 Load and Motor 19 References & Limits 29 Inputs and outputs 36 Special functions 45 Installation 57 Mechanical dimensions 57 Mechanical installation 59 General information about electrical installation 60 Electrical installation 61 Pre-fuses 63 Mains connection 63 Motor connection 63 Direction of motor rotation 64 Parallel connection of motors 64 Earth connection 64 Tightening Torque, Power Terminals 66 Control of mechanical brake 66 Access to control terminals 66 Electrical installation, control cables 67 Tightening torques, control cables 68 Electrical installation, controlterminals 68 Relay connection 68 VLT Software Dialog 68 Connection examples 69 MG.29.A3.02 - VLT ® is a registered Danfoss trademark 1

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VLT ® 2900 Series All about VLT 2900 70 Display readout 71 Warnings/alarm messages 71 Warning words, extended status words and Alarmwords 75 Special conditions 76 Aggressive environments 76 Derating for high switching frequency - VLT 2900 77 Temperature-dependent switch frequency 77 General technical data 78 Technical data, mains supply 3 x 380 - 480 V 83 Available literature 84 Supplied with the unit 84 Index 92 2 MG.29.A3.02 - VLT ® is a registered Danfoss trademark

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VLT ® 2900 Series Quick Setup General warning Remove the front cover underneath the control panel. Place a jumper between terminals 12 and 27. Electrical Installation, control cables Using this Quick Setup, you can carry out quick and EMC-correct installation of the frequency converter in five steps. The Operating Instructions, which are also enclosed, give other examples of installation and de- scribe all functions in detail. Quick Setup Read the safety instructions on this page before installing the unit. Carry out programming on the control panel. Press the [QUICK MENU] key to enter the Quick menu. In this menu, parameters can be selected by means of the [+] and [-] keys.

The parameter values can be changed by pressing [CHANGE DATA]. Changes are programmed using the [+] and [-] keys. Finish the change of a pa- rameter setting by pressing [CHANGE DATA]. A change of parameter values is saved automatically af- ter a mains failure. If the display shows three dots at the right, the parameter value has more than three digits. In order to see the value, activate [CHANGE DATA]. Press [QUICK MENU]: Set the motor param- eters that are on the nameplate of the motor: Programming Mechanical Installation VLT 2900 frequency converters allow side-by-side in- stallation.

Because of the need for cooling, there must be 10 cm free air passage above and below the fre- quency converter. Drill holes in accordance with the measurements given in section Mechanical dimen- stions . Retighten all four screws. Activate AMT: Fit the decoupling plate to the power cables and the earth screw (terminal 95). Set reference range Electrical Installation, power Please note that the power terminals can be removed. Connect mains to the mains terminals of the frequency converter, i.e. 91, 92, 93 and the earth connection to terminal 95. Fit a screened/armoured cable from the motor to the motor terminals of the frequency convert- er, i.e. U, V, W.

The screen ends in a screen connector. In parameter 002 Local/remote control, the frequency converter mode can be selected as Remote operation [0], i.e. via the control terminals, or Local [1], i.e. via the control unit. Set the control location to Local [1]. MG.29.A3.02 - VLT ® is a registered Danfoss trademark 3 Motor power [kW] parameter 102 Motor voltage [V] parameter 103 Motor frequency [Hz] parameter 104 Motor current [A] parameter 105 Rated motor speed parameter 106 Automatic motor tuning parameter 107 Min. reference, RefMIN parameter 204 Max. reference, RefMAX parameter 205 Ramp-up time [s] parameter 207 Ramp-down time [s] parameter 208

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VLT ® 2900 Series Set the motor speed by adjusting the Local refer- ence Local/remote operation = Local [1] Par. 002 6. Check that the mains supply has been dis- connected before removing the motor and mains plugs. Local reference Parameter 003 Warning against unintended start The motor can be brought to a stop by means of digital commands, bus com- mands, references or local stop, while the frequency converter is connected to mains. If personal safety considerations make it necessary to ensure that no unin- tended start occurs, these stops are not sufficient. While parameters are being programmed, the motor may start.

Consequently, the stop key [STOP/RESET] must always be activated, following which data can be modified. A motor that has been stopped may start if faults occur in the electronics of the fre- quency converter, or if a temporary over- load, a fault in the supply mains or a fault in the motor connection ceases. Motor start Press [Start] to start the motor. Set the motor speed by adjusting parameter 003 Local reference. Check whether the direction of rotation of the motor shaft is clockwise. If not, exchange any two phases on the motor cable. Press [STOP/RESET] to stop the mo- tor. Press [QUICK MENU] to return to display mode.

(QUICK MENU] + [+] keys must be pressed simulta- neously to give access to all parameters. Safety regulations The voltage of the frequency converter can be fatal whenever it is connected to mains. Incorrect installation of the motor or the frequency converter may lead to damage to the equipment, serious per- sonal injury or death. NB! Indicates something to be noted by the reader. Consequently, the provisions of this Quick Setup, as well as national and local rules and safety regulations, must be complied with. Touching the electrical parts may be fatal, even after the equipment has been disconnected from mains: wait at least 4 min. Indicates a general warning. 1.

The mains supply to the frequency converter must be disconnected if repair work is to be carried out. Indicates a high-voltage warning. 2. The [STOP/RESET] key on the control panel of the frequency converter does not discon- nect the mains supply and is thus not to be used as a safety switch. 3. Correct protective earthing of the unit must be established, the user must be protected against supply voltage, and the motor must be protected against overload in accordance with applicable national and local regulations. 4. The earth leakage current is higher than 3.5 mA. 5. Protection against motor overload is not in- cluded in the factory setting.

If this function is required, set parameter 128 Motor thermal protection to data value ETR Trip or ETR Warning. 4 MG.29.A3.02 - VLT ® is a registered Danfoss trademark

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