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Manual - Control – Service

1. ES G We dg s a er 2 28 amp gt a a ee Sok 4 xw cw Ud Gm om 4632 2 29 amp 3 a mom Z d 2 zd E O t O amp QA O a o o Q O O O O O O O O Ojs E 61 68 69 12 18 19 20 27 29 33 42 50 53 55 60 8 g 8 Zz 2 9 2 22 E 209 2 3 8 8 z 2 z 2 2 z z 2 3 8 8 a a o o o 8 x 6 2 g 8 gt 2 5 p ec ds Le Loc Se 8 3 M E v 2 o E z E 8 35 E E E 8 5 S 2 x BS E Illustration 6 14 Overview of Control Terminals in PNP configu ration and Factory Setting 6 15 Switches NOTIC Do not operate switches with power on the frequency converter Bus termination Switch BUS TER position ON terminates the RS 485 port terminals 68 69 See Illustration 6 12 Default setting Off BUS TER OFF ON 130BA476 10 Illustration 6 15 S640 Bus Termination VLT Micro Drive FC 51 Design Guide S200 Switches 1 4 PNP NPN PNP NPN 5 ON a e e o OFF 1 2 3 4 Off PNP terminals 29 Switch 1 OnzNPN terminals 29 i Off PNP terminal 18 19 27 and 33 Switch 2 OnzNPN terminal 18 19 27 and 33 Switch 3 No function Off Terminal 53 0 10 V Switch 4 On Terminal 53 0 4 20 mA default setting Illustration 6 16 S200 Switches 1 4 NOTIC Parameter 6 19 Terminal 53 Mode mu
2. o ES I 8 O S O 6 66 l WES RS 232 68 69 68 69 68 69 o USB MA RS 485 EI Illustration 6 19 RS 485 Bus Connection To avoid potential equalizing currents in the screen ground the cable screen via terminal 61 which is connected to the frame via an RC link Bus termination The RS 485 bus must be terminated by a resistor network at both ends For this purpose set switch S801 on the control card for ON For more information see the chapter Switches S201 S202 and S801 Communication protocol must be set to 8 30 Protocol Darfi VLT Micro Drive FC 51 Design Guide 6 19 2 How to Connect a PC to the Frequency Converter To control or program the frequency converter from a PC install the PC based Configuration Tool MCT 10 Set up Software MCT 10 Set up Software MCT 10 Set up Software has been designed as an easy to use interactive tool for setting parameters in our frequency converters The PC based Configuration Tool MCT 10 Set up Software are useful for e Planning a communication network off line MCT 10 Set up Software contains a complete frequency converter database Commissioning frequency converters on line e Saving settings for all frequency converters e Replacing a frequency converter in a network e Expanding an existing network e Future developed frequency converters will be supported Save Drive Settings 1
3. 130BA560 10 Illustration 4 13 Fit Bottom Cover on Frequency Converter Illustration 4 11 Fit Bottom Cover on Frequency Converter 30 MG02K302 Rev 2013 12 03 Dont Selection VLT Micro Drive FC 51 Design Guide 4 1 10 FC 51 IP21 Kit Mounting Instruction Step 3 Mount metal plate on frequency converter and tighten Step 1 screws Tightening torque 2 Nm Fit top cover on frequency converter MAE WI TI 8 U A DU e WP O a Illustration 4 14 Fit Top Cover on Frequency Converter 1308752 10 Step 2 Remove knock outs on metal plate and fit rubber Illustration 4 16 Mount Metal Plate on Frequency Converter grommets Step 4 Fit bottom cover on frequency converter and tighten screw NOTIC IP21 is only achieved with LCP 11 or LCP 12 mounted 130BC014 10 130BA753 10 a Illustration 4 15 Remove Knock outs and Fit Rubber Grommets Illustration 4 17 Fit Bottom Cover on Frequency Converter MG02K302 Rev 2013 12 03 31 Selection VLT Micro Drive FC 51 Design Guide 4 1 11 FC 51 De coupling Plate Mounting Step 3 Instruction for M1 and M2 De coupling plate mounted Step 1 o Mount metal plate on frequency converter and fasten with ec ss two screws Tightening torque 2 Nm 9 H Io
4. Width mm Depth mm Ordering no Power kW Height mm A B C 1x200 240 V 3x200 240 V 3x380 480 V 0 37 0 75 194 3 70 0 155 9 13280103 Pas 3s se es ne sz 3s 150 22 mme Table 4 3 Type 1 NEMA 4 1 7 De Coupling IP class Power kW Height mm Width mm Depth mm emo 2 2227 sos mes wo 23 13280107 m fT ts sms use es omoa Demo sz ss 35e az mou Table 4 4 De Coupling Frame Ordering no MG02K302 Rev 2013 12 03 29 Defesa Selection VLT Micro Drive FC 51 Design Guide 4 1 8 FC 51 Type 1 Kit Mounting Instruction 4 1 9 FC 51 Type 1 Kit Mounting Instruction for M1 M2 and M3 for M4 and M5 Step 1 Step 1 Mount metal plate on frequency converter and tighten the Mount metal plate on frequency converter and tighten the screws Tightening torque 2 Nm screws Tightening torque 2 Nm M1 4 xy M4 3x2 M3 Table 4 6 Conduit Sizes Table 4 5 Conduit Sizes 130BB327 10 J oU 3o o 999 aan E 8 Illustration 4 10 Mount Metal Plate on Frequency Converter Illustration 4 12 Mount Metal Plate on Frequency Converter Step 2 Step 2 Fit bottom cover on frequency converter and tighten Fit bottom cover on frequency converter and tighten screw screw Oc 1 oL Qs
5. o Illustration 4 27 Mount Plastic Part Step 2 Fit frequency converter on DIN rail Din Rail kit is only for M1 and M2 130BA518 10 Illustration 4 28 Fit Frequency Converter on DIN Rail 4 1 15 Line Filter MCC 107 Installation Instructions Line filters of the type MCC 107 combine a harmonic filter and an EMC filter The line filters improve performance of the line current to the frequency converter The 3 different line filter frame sizes correspond to the VLT Micro Drive enclosure types M1 M2 and M3 130BC160 10 1 Mounting holes for frequency converter 2 Input terminal 3 Output line 4 Protective earth PE Illustration 4 29 Line Filter MCC 107 with Micro Drive FC 51 ACAUTION Hot surfaces Risk of high surface temperatures e Do NOT touch the line filter during operation or wear protective gloves AWARNING High voltage Risk of electric shock e Never carry out maintenance work on the line filter during operation Wait at least 4 minutes after the equipment has been disconnected from the frequency converter before touching any potentially live parts NOTIC e Never repair a defective filter 34 MG02K302 Rev 2013 12 03 Selection 4 1 16 Mounting There are 2 options for mounting the line filter correctly 1 Front mounting e Mount the filter in a vertical position with the terminals at the bot
6. PLC etc FC 9 9 ANA NIE ww a 9 0 PE PE PE OQ HOPE E Min 16mm2 Equalizing cable PLC etc FC A 7 Es IA JM Jg IT PE Sl 100nF PE d FC FC 3 o 69 ob n 68 ea O bes 1 E D PE a Correct earthing b Incorrect earthing Protection from potential between PLC and frequency converter Illustration 6 11 Earthing Examples Dont VLT Micro Drive FC 51 Design Guide a Correct grounding Control cables and cables for serial communi cation are fitted with cable clamps at both ends to ensure the best possible electrical contact b Incorrect grounding Do not use twisted cable ends pigtails They increase the screen impedance at high frequencies c Protection from potential between PLC and frequency converter If the earth potential between the frequency converter and the PLC etc is different electric noise that disturbs the entire system is possible Fit an equalizing cable next to the control cable Minimum cable cross section 16 mm d For 50 60 Hz earth loops Using long control cables sometimes causes 50 60 Hz ground loops Connect one end of the screen to earth via a 100 nF capacitor keeping leads short e Cables for serial communication Eliminate low frequency noise currents between 2 fr
7. Error Check CRC Table 8 25 Query Response The normal response returns the follower address function code starting address and quantity of coils forced Field Name Follower Address Example hex 01 frequency converter address OF write multiple coils 10 coil address 17 Function Coil Address HI Coil Address LO Quantity of Coils HI Quantity of Coils LO Error Check CRC 10 16 coils Table 8 26 Response 8 10 4 Read Holding Registers 03 hex Description This function reads the contents of holding registers in the follower Query The query message specifies the starting register and quantity of registers to be read Register addresses start at zero that is registers 1 4 are addressed as 0 3 Example Read 3 03 Maximum Reference register 03030 VLT Micro Drive FC 51 Design Guide Field Name Example hex 03 read holding registers OB Register address 3029 D5 Register address 3029 Follower Address Function Starting Address HI Starting Address LO No of Points HI No of Points LO 02 3 03 Maximum Reference is 32 bits long i e 2 registers Error Check CRC Table 8 27 Query Response The register data in the response message are packed as 2 bytes per register with the binary contents right justified within each byte For each register the first byte contains the high order bits and the second contains the low order bit
8. 80 _ FAN CURVE 60 PRESSURE 40 A 0 20 40 60 80 100 120 140 160 180 Voume 96 120 100 80 60 40 VA NERGY 20 Ea D INPUT POWER 0 20 40 60 80 100 120 140 160 180 Voume Illustration 2 2 When using a frequency converter to reduce fan capacity to 60 more than 50 energy savings may be obtained in typical applications 12 MG02K302 Rev 2013 12 03 Darfi Safety and Conformity VLT Micro Drive FC 51 Design Guide 2 7 3 Example of Energy Savings lllustration 2 5 shows typical energy savings obtainable with 3 well known solutions when fan volume is reduced As shown in Illustration 2 3 the flow is controlled by to i e 60 changing the RPM By reducing the speed only 20 from As the graph shows more than 50 energy savings can be 2 the rated speed the flow is also reduced by 20 This is achieved in typical applications because the flow is directly proportional to the RPM The consumption of electricity however is reduced by 50 If the system in question only needs to be able to supply a flow that corresponds to 100 a few days in a year while the average is below 80 of the rated flow for the remainder of the year the amount of energy saved is even more than 50 130BA782 10 Discharge damper Illustration 2 3 describes the dep
9. The unit is suitable for use on a circuit capable of delivering not more than 100 000 RMS symmetrical Amperes 240 480 V maximum Motor output U V W Output voltage 0 100 of supply voltage Cable lengths and cross sections Max motor cable length screened armoured EMC correct installation 15m See chapter 9 Specifications for more information 86 MG02K302 Rev 2013 12 03 Specifications VLT Micro Drive FC 51 Design Guide Digital inputs pulse encoder inputs Programmable digital inputs pulse encoder 5 1 Analog inputs Number of analog inputs 2 Analog output Number of programmable analog outputs 1 Control card RS 485 serial communication Terminal number 68 P TX RX 69 N TX RX Control card 24 V DC output Terminal number 12 MG02K302 Rev 2013 12 03 87 Specifications VLT Micro Drive FC 51 Design Guide Relay output Programmable relay output 1 D IEC 60947 part 4 and 5 Control card 10 V DC output PERDE senate wtrtosatt MERETRICEM 50 Output voltage a ae ee en er nee Se en hee ee ae ee ee wee 105 V 05 V Max load 25 mA All inputs outputs circuits DC supplies and relay contacts are galvanically isolated from the supply voltage PELV and other high voltage terminals Surroundings Enclosure IP20 1 Derating for high ambient temperature see chapter 4 2 2 Derating for Ambient Temperature Minimum ambient te
10. 63 Readout Mode saia octo ttn edet eet 59 Recommended initialisation sss 64 90 MG02K302 Rev 2013 12 03 Index Reference handling rsrsrs 20 References itte cerae tr de geredet 6 Relay outp t eee pem eerte 88 Residual Current Device eee 24 50 RS 485 RS 485 eiecit eM RHET SERE RENTRER penus 65 bus cohiriectloni eee dece de A b eed 56 installation and set up eese rennen tennnennn 65 S 200 Switches 1 4 0 ceecssssscssseccesseessseseccsseccesusccsssecessusecesnseessneesenees 53 Safety earth connection esent 57 Save drive SettingS eeccssesccssssccssesccssececssecssssssesssecessseeccsneeessneeees 56 Screened armoured e eeeeteeenttttnnnns 52 Screening of cables e eeeseeeetttennttttnnnn 47 Serial communiCatiOn erento tette ntn tete to nonus 50 59 communication port rr ereeeeeeseeaseersersenas 6 Set speed limit and ramp time sse 54 Set up NUMBERS sscsscscsssesecccsscescsassccaunscsuseasvecevesscssstenssonscavssocussenusesansenss 58 Short circuit motor phase phase 24 Soft starteri esee ERIS RENDER RR URS cao 15 Software VELSION 0 esscssssscsssescccsseccssescesssecessseeesnssecsusecssnseeesnseessneeesees 5 Star Delta starter seite rer ei etel ed 15 Status SATUS e ENT E EEEE EE 26 SUPTOUN GINS sas asas arraia E E AEN 88 SWITC
11. Im The motor current Im N The rated motor current nameplate data NMN The rated motor speed nameplate data PMN The rated motor power nameplate data Um The instantaneous motor voltage Um The rated motor voltage nameplate data VLT Micro Drive FC 51 Design Guide Break away torque Torque 4 Pull out 175ZA078 10 rpm Illustration 1 1 Break away Torque nvLT The efficiency of the frequency converter is defined as the ratio between the power output and the power input Start disable command A stop command belonging to the group 1 control commands see Table 1 3 Stop command See Control commands 1 4 4 References Analog Reference A signal transmitted to the analog inputs 53 or 54 can be voltage or current Bus Reference A signal transmitted to the serial communication port FC port Preset Reference A defined preset reference to be set from 100 to 100 of the reference range Selection of 8 preset references via the digital terminals Refmax Determines the relationship between the reference input at 100 full scale value typically 10 V 20 mA and the resulting reference The maximum reference value set in 3 03 Maximum Reference Refmin Determines the relationship between the reference input at 0 value typically 0 V 0 mA 4 mA and the resulting reference The minimum reference value set in 3 02 Minimum Reference 6 MG02K302 Rev 2013 12 03
12. Bit 10 Out of frequency limit Bit 10 0 The output frequency has reached the value in 4 12 Motor Speed Low Limit Hz or 4 14 Motor Speed High Limit Hz Bit 10 1 The output frequency is within the defined limits Bit 11 No operation in operation Bit 11 0 The motor is not running Bit 11 1 The coasting has a start signal or the output frequency is greater than 0 Hz Bit 12 Drive OK stopped autostart Bit 12 0 There is no temporary over temperature on the inverter Bit 12 1 The inverter stops because of over temperature but the unit does not trip and resumes operation once the over temperature stops Bit 13 Voltage OK limit exceeded Bit 13 0 There are no voltage warnings Bit 13 1 The DC voltage in the frequency converter s intermediate circuit is too low or too high Bit 14 Torque OK limit exceeded Bit 14 0 The motor current is lower than the torque limit selected in 4 18 Current Limit Bit 14 1 The torque limit in 4 78 Current Limit is exceeded Bit 15 Timer OK limit exceeded Bit 15 0 The timers for motor thermal protection and thermal protection are not exceeded 10096 Bit 15 1 One of the timers exceeds 100 Darfi VLT Micro Drive FC 51 Design Guide 8 11 3 Bus Speed Reference Value Speed reference value is transmitted to the frequency converter in a relative value in The value is transmitted in the form of a 16 bit word in integers 0 32767 the value 1638
13. Cooling section Heating section Fan section No Supply X o fan air N as gt Fan Seu VAY lt x ates outlets gt n Return Flow Return Flow 3 x Ne x3 x3 vit VT vit DC te Main Pressure B M S control 0 10V hor 0 4 20mA Control Control ni temperature ten perature Y Y 0 10V or or 0 4 20mA Mains 0 4 20mA mains 20A _ mains D D C Direct Digital Control Energy Management system VAN Variable Air Volume Table 2 7 Abbreviations used in Illustration 2 10 Illustration 2 10 Fan System Controlled by Frequency Converters MG02K302 Rev 2013 12 03 17 Product Overview VLT Micro Drive FC 51 Design Guide 3 Product Overview 3 1 Control Structures Select open loop or closed loop in 1 00 Configuration Mode 3 1 1 Control Structure Open Loop Reference handling P4 14 Remote Motor speed reference high limit Hz Remote Auto mode So Reference o e Oo N 10096 2 ce m P 3 4 Ramp 1 m P 3 5 Ramp 2 0 N To motor control m JS Ramp 4 Hand mode Local A E 4 Local Pado 10096 reference Motor speed L Ro to ow limit Hz 100 N 100 P4 10 Motor speed LCP Hand on direction off and auto on keys Illustration 3 1 Open Loop Structure In the configuration shown in Illustration 3 1 1 00 Configu ration Mode is set
14. Enter motor power from nameplate data Two sizes down one size up from nominal VLT rating 0 09 kW 0 12 HP 2r o2 rose HP Gr osskwroas e oszwaso ne 7 075 wron ido RW 50 He iso kao HP 1 50 kW 2 00 HP c a 11 E iS WIN 5 13 15 8 14 1 1 17 22 00 kW 29 50 HP 30 00 kW 40 00 HP 20 Denis VLT Micro Drive FC 51 Design Guide OTIC Changing this parameter affects parameter 1 22 to 1 25 1 30 1 33 and 1 35 1 22 Motor Voltage U_mn Range Function 230 400 V 50 999 V Enter motor voltage from nameplate data 1 23 Motor Frequency f_m n Range Function 50 Hz 20 400 Hz Enter motor frequency from nameplate data 1 24 Motor Current mn Range Function M type dependent 0 01 100 00 A Enter motor current from nameplate data 1 25 Motor Nominal Speed n_m n Function 100 9999 RPM Enter motor nominal speed from nameplate data 1 29 Automatic Motor Tuning AMT Option Function Range M type Dependent Use AMT to optimise motor performance NOTIC This parameter cannot be changed while motor runs 1 Stop the frequency converter make sure motor is at standstill 2 Select 2 Enable AMT 3 Apply start signal Via LCP Press Hand On Or in Remote On mode Apply start signal on terminal 18 roof AMT function is disabled 2 Enable AMT function sta
15. Output data to also be available in a lower holding register areas 02810 Input data Frequency converter Control Word register CTW 02811 Input data Bus Reference register REF 02910 Output data Frequency converter Status Word register STW 02911 Output data Frequency converter Main Value register MAV Table 8 34 Lower Register Numbers for Input and Output Data MG02K302 Rev 2013 12 03 79 RS 485 Installation and Set Master follower CTW Speed ref 130BA274 11 Bit no 1514131211109876543210 Illustration 8 14 Bit Bit value 0 Bit value 1 00 o 02 03 04 05 Hold output use ramp meme nm 06 Ramp stop 07 os o E n E E E Table 8 35 Definition of Control Bits Explanation of the Control Bits Bits 00 01 Bits 00 and 01 are used to select between the 4 reference values which are pre programmed in 3 70 Preset Reference according to the Table 8 36 Programmed Parameter Bit Bit ref value 01 00 1 3 10 Preset Reference 0 0 0 0 2 3 10 Preset Reference 1 o h 3 3 10 Preset Reference 2 1 jo 4 3 10 Preset Reference 3 Hot Table 8 36 Control bits NOTIC Make a selection in 8 56 Preset Reference Select to define how Bit 00 01 gates with the corresponding function on the digital inputs Bit 02 DC brake Bit 02 0 leads to DC braking and stop Set braking current and duration in 2 01 DC Brake Current and 2 02 DC Bra
16. p PI Scale to To motor e speed control 130BB894 11 EH o Feedback 100 Ls l 7 30 PI 100 P 4 10 Normal Inverse Motor speed Control direction Illustration 3 3 Control Structure Closed Loop While the default values for the frequency converter s closed loop controller often provides satisfactory performance the control of the system can often be optimised by adjusting some of the closed loop controller s parameters MG02K302 Rev 2013 12 03 19 Product Overview VLT Micro Drive FC 51 Design Guide 3 1 4 Reference Handling Details for open loop and closed loop operation Intern resource Relative scalling reference 130BB900 13 Preset relative reference 100 Input command Preset reference 0 100 preset ref bito bit1 bit2 Speed open Preset reference 1 100 gi loop Preset reference 2 100 amp NC Preset reference 3 100 amp N Configuration mode Preset reference 4 100 N N Preset reference Input command i Hz Scale to Preset reference 5 100 e e Preset reference 6 100 100 fi fe Preset reference 7 100 peers Remote Y maxRefPCT reference Relative es setpoint reference ri g Extern resource 1 z x ae 200 Y Parameter choise D XexeY 100 i minRefPct No functi
17. Motor Speed High Limit RPM or 4 14 Motor Speed High Limit Hz Table 6 6 Speed Limit Parameters Ramp up Time 1 s 3 41 Ramp 1 Ramp Up Time Ramp down Time 1 s 3 42 Ramp 1 Ramp Down Time Table 6 7 Ramp Time Parameters 54 MG02K302 Rev 2013 12 03 How to Install VLT Micro Drive FC 51 Design Guide 6 17 Parallel Connection of Motors 130BC013 10 The frequency converter can control several parallel connected motors The total current consumption of the motors must not exceed the rated output current linv for the frequency converter When motors are connected in parallel 1 29 Automatic Motor Tuning AMT cannot be used Problems may arise at start and at low RPM values if motor sizes are widely different because small motors relatively high ohmic resistance in the stator calls for a higher voltage at start and at low RPM values The electronic thermal relay ETR of the frequency converter cannot be used as motor protection for the individual motor of systems with parallel connected Ta EEn motors Provide further motor protection by for example VS ther
18. Stops the motor off If in alarm mode the alarm is reset Auto On The frequency converter is controlled either via control terminals or serial communication Potentiometer LCP 12 The potentiometer works in 2 ways depending on the mode in which the frequency converter is running In Auto Mode the potentiometer acts as an extra programmable analog input In Hand on Mode the potentiometer controls local reference 4 1 2 Remote Mounting Kit for LCP The LCP can be moved to the front of a cabinet by using the remote built in kit The enclosure is IP55 Enclosure IP55 front Max cable length between LCP and unit Table 4 1 Technical Data 26 MG02K302 Rev 2013 12 03 Defesa Selection VLT Micro Drive FC 51 Design Guide 4 1 3 FC 51 LCP Mounting Instruction 4 1 4 FC 51 Remote Mounting Kit Mounting Instruction Step 1 Place the bottom of the LCP in the frequency converter Step 1 Fit gasket on LCP in the frequency converter T30BA526 10 Illustration 4 4 Fit Gasket on LCP Step 2 Place LCP on panel see dimensions of hole on drawing 130ba507 10 Illustration 4 2 Place the LCP in the Frequency Converter pat 62 3 0 2 gt 130BA568 10 Step 2 Push the top of the LCP into the frequency converter 82 8 0 2 AxR 1 50 5 um Illustration 4 5 Dimensions of Hole 130BA527 1
19. addressed as register 006Bhex 107 decimal MG02K302 Rev 2013 12 03 73 RS 485 Installation and Set VLT Micro Drive FC 51 Design Guide Coil Description Signal Direction Coil 1 16 Frequency converter control word Master to 34 Frequency converter not Frequency converter ready 17 32 Frequency converter speed or set Master to 35 Coasting stop Safety closed point reference Range 0x0 0xFFFF follower 36 33 48 Frequency converter status word Follower to 38 SODIUM HIT Bos 39 49 64 Open loop mode Frequency Follower to 40 converter output frequency master 41 Closed loop mode Frequency 42 converter feedback signal 23 65 Parameter write control master to Master to m E E s as Table 8 16 Frequency Converter Status Word FC Profile follower Parameter changes are written to the RAM of the frequency converter Parameter changes are written to the RAM and EEPROM of the frequency converter Table 8 14 Coil Register Coil 0 1 01 Preset reference LSB 02 Preset reference MSB 03 DC brake No DC brake 04 Coast stop No coast stop 05 Quick stop No quick stop 06 Freeze freq No freeze freq 07 Ramp stop Start 08 No reset Reset 09 No jog Jog 10 Ramp 1 Ramp 2 11 Data not valid Data valid 12 Relay 1 off Relay 1 on 13 Relay 2 off Relay 2 on 14 Set up LSB 15 16 No reversing Reversing Table 8 15 Frequency Converter Control Word FC Profile 74 MG02K302 Rev 2013 12 0
20. before performing any service or repair work The duration of waiting time is specified in Table 2 1 Size Minimum waiting time min M1 M2 and M3 4 M4 and M5 15 Table 2 1 Discharge Time AWARNING LEAKAGE CURRENT HAZARD Leakage currents exceed 3 5 mA Failure to ground the frequency converter properly could result in death or serious injury e Ensure correct grounding of the equipment by a certified electrical installer AWARNING EQUIPMENT HAZARD Contact with rotating shafts and electrical equipment can result in death or serious injury e Ensure that only trained and qualified personnel perform installation start up and maintenance e Ensure that electrical work conforms to national and local electrical codes Follow the procedures in this manual Safety and Conformity ACAUTION WINDMILLING Unintended rotation of permanent magnet motors causes risk of personal injury and equipment damage e Ensure that permanent magnet motors are blocked to prevent unintended rotation ACAUTION POTENTIAL HAZARD IN THE EVENT OF INTERNAL FAILURE Risk of personal injury when the frequency converter is not properly closed Before applying power ensure all safety covers are in place and securely fastened 2 2 Disposal Instruction Equipment containing electrical components may not be disposed of together with domestic waste It must be separately collected with electrical and ele
21. function and data fields of a Modbus RTU message Return diagnostic register 8 8 10 Function Codes Supported by diagnostic register Modbus RTU 12 Return bus communi Modbus RTU supports use of the following function codes cation error count in the function field of a message 13 Return follower error count 14 Return follower message count Table 8 19 Function Codes Function Function code hex Read coils Read holding registers Write single coil Write single register Write multiple coils Write multiple registers Get comm event counter Report follower ID Table 8 18 Function Codes MG02K302 Rev 2013 12 03 75 RS 485 Installation and Set 8 8 11 Modbus Exception Codes For a full explanation of the structure of an exception code response refer to chapter 8 8 5 Function Field Code Name Meaning The function code received in the query is not an allowable action for the server or follower This may be because the function code is only applicable to newer devices and was not implemented in the unit selected It could also indicate that the server or follower is in the wrong state to process a request of this type for example because it is not configured and is being asked to return register values Ilegal data The data address received in the query is address not an allowable address for the server or follower More specifically the combination of reference number and transfer l
22. mm mm mm off Reset Illustration 3 2 LCP Control Keys 130BB893 10 Local reference forces the configuration mode to open loop independent on the setting of 1 00 Configuration Mode Local reference is restored at power down 18 MG02K302 Rev 2013 12 03 Denis Product Overview VLT Micro Drive FC 51 Design Guide 3 1 3 Control Structure Closed Loop The internal controller allows the frequency converter to become an integral part of the controlled system The frequency converter receives a feedback signal from a sensor in the system It then compares this feedback to a set point reference value and determines the error if any between these 2 signals It then adjusts the speed of the motor to correct this error For example consider a pump application where the speed of a pump is to be controlled so that the static pressure in a pipe is constant The desired static pressure value is supplied to the frequency converter as the set point reference A static pressure sensor measures the actual static pressure in the pipe and supplies this to the frequency converter as a feedback signal If the feedback signal is greater than the set point reference the frequency converter slows down to reduce the pressure In a similar way if the pipe pressure is lower than the set point reference the frequency converter automatically speed up to increase the pressure provided by the pump 100 7 4 7 096 Reference S or
23. 03 How to Order VLT Micro Drive FC 51 Design Guide 5 4 Ordering Numbers 200 240 V 380 480 V Power kwh Curent roni im sp Comentem 3pm 1 mm T 3 E 3s rome ws 4 0 12 0 132F 0028 5 5 11 0 Micro drives from 1 5 kW and up have built in brake chopper 15 0 31 0 132F 0059 18 5 37 0 132F 0060 Table 5 3 Ordering Numbers 5 5 Options Ordering No Description 13280100 VLT Control Panel LCP 11 w o potentiometer 13280101 VLT Control Panel LCP 12 w o potentiometer 132B0102 Remote Mounting Kit for LCP incl 3 m cable IP55 with LCP 11 IP21 with LCP 12 132B0103 Nema Type 1 kit for M1 frame 132B0104 Type 1 kit for M2 frame 132B0105 Type 1 kit for M3 frame 132B0106 De coupling plate kit for M1 and M2 frames 130B2522 Line Filter MCC 107 for 132F0001 130B2533 Line Filter MCC 107 for 132F0003 130B2525 Line Filter MCC 107 for 132F0005 130B2530 Line Filter MCC 107 for 132F0007 130B2523 Line Filter MCC 107 for 132F0008 130B2523 Line Filter MCC 107 for 132F0009 130B2523 Line Filter MCC 107 for 132F0010 130B2526 Line Filter MCC 107 for 132F0012 130B2531 Line Filter MCC 107 for 132F0014 130B2527 Line Filter MCC 107 for 132F0016 130B2523 Line Filter MCC 107 for 132F0017 130B2523 Line Filter MCC 107 for 132F0018 130B2524 Line Filter MCC 107 for 132F0020 MG02K302 Rev 2013 12 03 4 How to Order VLT Micro Drive FC 51 Design Guide
24. 1 x 200 240 V Illustration 6 7 Mounting of Earth Cable and Motor Wires Illustration 6 5 3 phase and Single phase Wire Connections For EMC correct installation use optional de coupling plate see chapter 5 5 Options 6 8 Motor Connection 6 8 1 How to Connect the Motor __ See chapter 9 Specifications for correct dimensioning of motor cable cross section and length e Use a shielded armored motor cable to comply with EMC emission specifications and connect this cable to both the decoupling plate and the motor metal Illustration 6 8 Frequency Converter with De coupling Plate 130BA511 10 e Keep motor cable as short as possible to reduce the noise level and leakage currents For further details on mounting of the decoupling plate see VLT Micro Drive FC 51 De coupling Plate Mounting Instruction for M1 and M2 46 MG02K302 Rev 2013 12 03 How to Install 6 8 2 Motor Cables See chapter 9 Specifications for maximum dimensioning of motor cable cross section and length e Use a screened armoured motor cable to comply with EMC emission specifications e Keep the motor cable as short as possible to reduce the noise level and leakage currents e Connect the motor cable screen to both the de coupling plate of the frequency converter and to the metal cabinet of the motor e Make the screen connections with the largest possible surface area cable clamp This is done by using the supplied install
25. 3 5 The screen reduces the radiated interference but increases the low frequency interference on the mains Connect the motor cable screen to the frequency converter enclosure as well as on the motor enclosure This is best done by using integrated screen clamps so as to avoid twisted screen ends pigtails Pigtails increase the screen impedance at higher frequencies which reduces the screen effect and increases the leakage current l4 If a screened cable is used for relay control cable signal interface and brake mount the screen on the enclosure at both ends In some situations however it is necessary to break the screen to avoid current loops e z L1 C y a Cs i l lt L z L2 V AR D Zz L3 w ZPE PE b Cs 1 4 meo 2 Cs 7 Cs Cs F 4 a E u 3 poe 5 os 1 Ground wire 4 Frequency converter PRE jo Mowe SSCS Illustration 3 5 Situation that Generates Leakage Currents If the screen is to be placed on a mounting plate for the frequency converter the mounting plate must be made of metal to convey the screen currents back to the unit Moreover ensure good electrical contact from the mounting plate through the mounting screws to the frequency converter chassis When unscreened cables are used some emission requirements are not complied with althou
26. 4 o 999 Illustration 4 20 De coupling Plate Mounted 130BA514 10 Illustration 4 18 Mount Metal Plate 4 1 12 FC 51 De coupling Plate Mounting Instruction for M3 Step 2 Step 1 Mount bracket on de coupling plate Mount de coupling plate on frequency converter and fasten with 2 screws Tightening torque 2 Nm 130BD024 10 Illustration 4 19 Mount Bracket Illustration 4 22 Fasten with Screws 32 MG02K302 Rev 2013 12 03 Selection VLT Micro Drive FC 51 Design Guide Step 2 Step 2 De coupling plate mounted De coupling plate mounted 13088330 10 1808A897 10 Illustration 4 23 De coupling Plate Mounted 4 1 13 FC 51 De coupling Plate Mounting Instruction for M4 and M5 Illustration 4 25 De coupling Plate Mounted Step 1 Mount metal plate on frequency converter and fasten with Step 3 2 screws Tightening torque 2 Nm Mount bracket on de coupling plate 130BA515 10 Illustration 4 26 Mount Bracket 13088329 10 Illustration 4 24 Mount Metal Plate MG02K302 Rev 2013 12 03 33 Dentes Selection VLT Micro Drive FC 51 Design Guide 4 1 14 FC 51 DIN Rail Kit Mounting Instruction Step 1 Mount plastic part on frequency converter 130BA517 10
27. 5 character intervals marks the end of the message A new message can begin after this period The entire message frame must be transmitted as a continuous stream If a silent period of more than 1 5 character intervals occurs before completion of the frame the receiving device flushes the incomplete message and assumes that the next byte is the address field of a new message Similarly if a new message begins before 3 5 character intervals after a previous message the receiving device considers it a continuation of the previous message This causes a time out no response from the follower since the value in the final CRC field is not valid for the combined messages 8 8 4 Address Field The address field of a message frame contains 8 bits Valid follower device addresses are in the range of 0 247 decimal The individual follower devices are assigned addresses in the range of 1 247 0 is reserved for broadcast mode which all followers recognise A master addresses a follower by placing the follower address in the address field of the message When the follower sends its response it places its own address in this address field to let the master know which follower is responding 8 8 5 Function Field The function field of a message frame contains 8 bits Valid codes are in the range of 1 FF Function fields are used to send messages between master and follower When a message is sent from a master to a follower device the function
28. Conversion The telegram looks like this E19E H 0000 H 0000 H 03E8 H 130BA092 10 PKE IND PWE high PWE low Illustration 8 10 Telegram 70 MG02K302 Rev 2013 12 03 RS 485 Installation and Set NOTIC 4 14 Motor Speed High Limit Hz is a single word and the parameter command for write in EEPROM is E Parameter 4 14 is 19E in hexadecimal The response from the follower to the master is 119E H 0000 H 0000 H 03E8 H 130BA093 10 PWE low PKE IND PWE high Illustration 8 11 Response from Master 8 5 2 Reading a Parameter Value Read the value in 3 41 Ramp 1 Ramp Up Time PKE 1155 hex Read parameter value in 3 47 Ramp 1 Ramp Up Time IND 0000 hex PWEHi H 0000 hex PWELow 0000 hex 1155 H 0000 0000 H 0000 H PKE IND PWE high PWE low 130BA094 10 Illustration 8 12 Telegram If the value in 3 47 Ramp 1 Ramp Up Time is 10 s the response from the follower to the master is 1155 H 0000 H 0000 H 03E8 H PKE IND PWE high PWE low 130BA267 10 Illustration 8 13 Response 3E8 hex corresponds to 1000 decimal The conversion index for 3 41 Ramp 1 Ramp Up Time is 2 that is 0 01 3 41 Ramp 1 Ramp Up Time is of the type Unsigned 32 VLT Micro Drive FC 51 Design Guide 8 6 Modbus RTU Overview 8 6 1 Assumptions Danfoss assumes that the installed controller supports the inte
29. Response follower2 master RII o o jwremme E 1 Parameter value transferred double word p fofo command cannot be performed fofo heerser i Table 8 6 Response MG02K302 Rev 2013 12 03 6 VLT Micro Drive FC 51 Design Guide If the command cannot be performed the follower sends this response 0111 Command cannot be performed and issues the following fault report in the parameter value Error code FC Specification Illegal Parameter Number Parameter cannot be changed Upper or lower limit exceeded Subindex corrupted No Array Wrong Data Type Not used JIJOJulB wlN a O Not used Ke Description element not available Un No parameter write access No text available 17 Not while Running 18 Other error 100 gt 100 130 No bus access for this parameter 131 Write to factory set up not possible 132 No LCP access 252 Unknown viewer 253 Request not supported 254 Unknown attribute 255 No error Table 8 7 Follower Report 8 4 8 Parameter Number PNU Bits no 0 11 transfer parameter numbers The function of the relevant parameter is defined in the parameter description in the VLT Micro Drive FC 51 Programming Guide 8 4 9 Index IND The index is used with the parameter number to read write access parameters with an index for example 15 30 Alarm Log Error Code The index consists of 2 bytes a low byte
30. and EFTA However CE labeling may cover many different specifi cations Check what a given CE label specifically covers The covered specifications can be very different and a CE label may therefore give the installer a false feeling of security when using a frequency converter as a component in a system or an appliance Danfoss CE labels the frequency converters in accordance with the low voltage directive This means that if the frequency converter is installed correctly Danfoss guarantees compliance with the low voltage directive Danfoss issues a declaration of conformity that confirms our CE labeling in accordance with the low voltage directive The CE label also applies to the EMC directive provided that the instructions for EMC correct installation and filtering are followed On this basis a declaration of conformity in accordance with the EMC directive is issued The Design Guide offers detailed instructions for instal lation to ensure EMC correct installation Furthermore Danfoss specifies which our different products comply with Danfoss provides other types of assistance that can help to obtain the best EMC result Darfi VLT Micro Drive FC 51 Design Guide 2 4 4 Compliance with EMC Directive 89 336 EEC As mentioned the frequency converter is mostly used by professionals of the trade as a complex component forming part of a larger appliance system or installation Not that the responsibility for the fin
31. converter 4 Ensure solid electrical contact between line filter and frequency converter high frequency earthing MCC 107 FC51 No a eo M 4 m oN ePE O Illustration 4 31 Line 1 MCC 107 FC51 130BC162 10 ePE Illustration 4 32 Line 2 MG02K302 Rev 2013 12 03 35 Denis Selection VLT Micro Drive FC 51 Design Guide NOTIC For voltage rating wire size and fuse selection see the VLT Micro Drive Quick Guide e Reduce common mode interferences by establishing a low impedance current path to the frequency converter e To ensure optimum EMC performance use a De Coupling plate kit ordering numbers 132B0106 or 132B0107 4 1 18 Dimensions eo Eu g im E 100 300 7 Li L2 L3 A E Ty me qe e e e j PE Ww h1 UL vol E w x 55 M e S un Un wi w2 EN oO N NI u mina inv uj HIA w B o Ui en Oo Frame M2 M3 wmm 0 d Imm imm E w1 mm h1 mm 233 323 YES o bp o 11 mm 38 5 68 12 mm 8 9 3 Weight ki Table 4 7 Dimension Data Illustration 4 33 Di
32. h th SE Pol LE po Prowse tiroug Cparamsrer Press OK to accept the new setting groups 3 Press OK to select a parameter group Pressing OK for more than 1 s enters Adjust mode In 4 Use 4 Y to browse through the parameters in Adjust mode it is possible to make fast adjustment by the specific group pressing 4 Y combined with OK 5 Press OK to select the parameter Press 4 Y to change value Press OK to shift between digits quickly To exit modification mode press OK more Press Back to go back one level than 1 s again with change saving or press Back without change saving Press Back to leave the parameter 6 Use 4 Y to set change the parameter value MG02K302 Rev 2013 12 03 63 Programming VLT Micro Drive FC 51 Design Guide 7 8 Initialise the Frequency Converter to Default Settings in two Ways Recommended initialisation via 14 22 Operation Mode 1 Select 14 22 Operation Mode 2 Press OK 3 Select Initialisation and Press OK 4 Cut off the mains supply and wait until the display turns off 5 Reconnect the mains supply the frequency converter is now reset Except the following parameters 8 30 Protocol 8 31 Address 8 32 Baud Rate 8 33 Parity Stop Bits 8 35 Minimum Response Delay 8 36 Maximum Response Delay 15 00 Operating hours to 15 05 Over Volt s 15 03 Power Up s 15 04 Over Temp s 15 05 Over Volt s 15 30 Alarm Log Error Code 15 4 Drive Identif
33. high voltage test by short circuiting terminals U V W Li L gt and Ls Energise maximum 2 15 kV DC for 380 500 V frequency converters and 2 525 kV DC for 525 690 V frequency converters for 1 s between this short circuit and the chassis AWARNING When running high voltage tests of the entire instal lation interrupt the mains and motor connection if the leakage currents are too high Failure to follow recommendations could result in death or serious injury 6 20 2 Safety Earth Connection The frequency converter has a high leakage current and must be grounded appropriately for safety reasons according to EN 50178 AWARNING The ground leakage current from the frequency converter exceeds 3 5 mA To ensure a good mechanical connection from the earth cable to the earth connection terminal 95 the cable cross section must be at least 10 mm or 2 rated ground wires terminated separately MG02K302 Rev 2013 12 03 57 VLT Micro Drive FC 51 Design Guide Programming 7 Programming 7 1 How to Programme 7 1 1 Programming with MCT 10 Set up Software The frequency converter can be programmed from a PC via RS 485 com port by installing the MCT 10 Set up Software This software can either be ordered using code number 130B1000 or downloaded from the Danfoss Web site www danfoss com BusinessAreas DrivesSolutions software download Refer to VLT Motion Control Tools MCT 10 Set up Software Operating Instruct
34. itself can never transmit without first being requested to do so and direct message transfer between the individual followers is not possible Communications occur in the half duplex mode The master function cannot be transferred to another node single master system 66 MG02K302 Rev 2013 12 03 RS 485 Installation and Set The physical layer is RS 485 thus utilising the RS 485 port built into the frequency converter The FC protocol supports different telegram formats e A short format of 8 bytes for process data e A long format of 16 bytes that also includes a parameter channel e A format used for texts 8 2 1 FC with Modbus RTU The FC protocol provides access to the control word and bus reference of the frequency converter The control word allows the Modbus master to control several important functions of the frequency converter Start Stop of the frequency converter in various ways Coast stop Quick stop DC Brake stop Normal ramp stop e Reset after a fault trip e Run at various preset speeds Run in reverse e Change of the active set up e Control of the 2 relays built into the frequency converter The bus reference is commonly used for speed control It is also possible to access the parameters read their values and where possible write values to them This permits a range of control options including controlling the setpoint of the frequency converter when its internal PI c
35. the DC link See Table 2 1 3 Disconnect DC bus terminals and brake terminals if present 4 Remove motor cable MG02K302 Rev 2013 12 03 43 How to Install VLT Micro Drive FC 51 Design Guide 6 4 Mechanical Dimensions A template for drilling can be found on the flap of the packaging B i B B a Bs e Bo b SS 7mm 4 b 2 7mm b af 5 5mm S 4 5mm a A DE E UTE E E co EIE UE T ge WE QAAE k v 2 e aA 2A aA aA an oy Y M1 M2 m M3 tty Y M4 M5 Max Power kW Height mm Width mm Depth mm Weight A incl decoupling Frame 1X200 240 V 3X200 240 V 3X380 480 V lat s kg E ate us 2 55 Mia e bi ne ma 22 237 3075 204 mo e w 3e w 0 noso m s oa os e 3 oo w _ es ms ses a5 us o e 95 D For LCP with potentiometer add 7 6 mm Illustration 6 3 Mechanical Dimensions 6 5 Electrical Installation in General NOTIC All cabling must comply with national and local regulations on cable cross sections and ambient tem
36. there is no operational sign in the telegram Data types Description Integer 16 Integer 32 Unsigned 8 Unsigned 32 3 4 5 6 Unsigned 16 7 9 Text string Table 8 8 Data Types 8 4 12 Conversion The various attributes of each parameter are displayed in the chapter Parameter Lists in the Programming Guide Parameter values are transferred as whole numbers only Conversion factors are therefore used to transfer decimals 4 12 Motor Speed Low Limit Hz has a conversion factor of 0 1 To preset the minimum frequency to 10 Hz transfer the value 100 A conversion factor of 0 1 means that the value transferred is multiplied by 0 1 The value 100 is thus perceived as 10 0 VLT Micro Drive FC 51 Design Guide Conversion factor Conversion index Table 8 9 Conversion 8 4 13 Process Words PCD The block of process words is divided into 2 blocks of 16 bits which always occur in the defined sequence PCD 1 PCD 2 Control telegram master gt follower control word Present output Control telegram follower gt master status word frequency Table 8 10 Process Words PCD 8 5 Examples 8 5 1 Writing a Parameter Value Change 4 14 Motor Speed High Limit Hz to 100 Hz Write the data in EEPROM PKE E19E hex Write single word in 4 74 Motor Speed High Limit Hz IND 0000 hex PWEHIGH 0000 hex PWELOW 03E8 hex Data value 1000 corresponding to 100 Hz see chapter 8 4 12
37. to 0 Open loop The resulting reference from the reference handling system or the local reference is received and fed through the ramp limitation and speed limitation before being sent to the motor control The output from the motor control is then limited by the maximum frequency limit 3 1 2 Local Hand On and Remote Auto On Control The frequency converter can be operated manually via the local control panel LCP or remotely via analog digital inputs or serial bus If allowed in 0 40 Hand on Key on LCP 0 44 Off Reset Key on LCP and 0 42 Auto on Key on LCP it is possible to start and stop the frequency converter by LCP pressing the Hand On and Off Reset keys Alarms can be reset via the Off Reset key After pressing the Hand On key the frequency converter goes into hand mode and follows as default the local reference set by using the LCP potentiometer LCP 12 or 4 LCP 11 The potentiometer can be disabled by parameter 6 80 LCP Potmeter Enable If the potentiometer is disabled use the navigation keys for adjusting reference After pressing the Auto On key the frequency converter goes into auto mode and follows as default the remote reference In this mode it is possible to control the frequency converter via the digital inputs and RS 485 See more about starting stopping changing ramps and parameter set ups etc in parameter group 5 1 Digital Inputs or parameter group 8 5 Serial Communication
38. 0 130ba506 10 Illustration 4 3 Push the Top of the LCP into Place E Illustration 4 6 Panel Gasket and LCP MG02K302 Rev 2013 12 03 27 Denis Selection VLT Micro Drive FC 51 Design Guide Step 3 Step 4 Place the bracket on the back of the LCP then slide down Connect the cable to the frequency converter Tighten screws and connect the cable to the LCP NOTIC NOTIC Use the provided thread cutting screws to fasten Use the provided thread cutting screws to fasten the connector to the frequency converter Tightening torque connector to the LCP Tightening torque 1 3 Nm 1 3 Nm 130BA523 10 130BA525 10 Illustration 4 7 Place the Bracket on LCP Illustration 4 9 Connect Cable to the Frequency Converter T30BA524 10 Illustration 4 8 Tighten Screws and Connect Cable to LCP 28 MG02K302 Rev 2013 12 03 Selection VLT Micro Drive FC 51 Design Guide 4 1 5 IP21 TYPE 1 Enclosure Kit Power kW 1x200 240 V 3x200 240 v 3x380 480 V A IP21 0 18 0 75 0 25 0 75 0 37 0 75 2193 155 9 IP21 1 5 2 2 245 6 1754 13280109 B IP21 2 2 2 2 3 7 3 0 7 5 297 5 95 201 4 132B0110 EE e I IM SE CREER Table 4 2 IP21 TYPE 1 Enclosure Kit Frame Height mm Width mm Depth mm C Ordering no 132B0108 4 1 6 Type 1 NEMA
39. 0 4 20 mA LM CA IN OFF U 0 10V e run relayl 0 4 20 ma tar 60 A IN 039 9 35 com A IN OUT Mean on Analog Output FAHY 42 A OUT 0 4 20 mA L 01 ETT y d S208 S640 n ON NPN ON Terminated j T g Is l l l i 12 24V OUT dese Pa Ed ores bop dog 24V NP Pooh yi 18 D IN ov A SY og 24V NPN l 19 D 1 OV P P 20 COM D IN J S801 gt 24V NPN RS 485 77 ETA 27 N RS 485 69 tr RS 485 on OV PNP Interface Jue pL 24V NPN P RS 485 68 CPI TI 1290 WW Y ov PNP Logd COM RS 485 6 t i 33 D IN 24V NPN fo ad OV PNP A PNP Source na x Ir NPN Sink 130BA242 16 Illustration 6 12 Diagram Showing all Electrical Terminals Brake BR and BR are not applicable for enclosure type M1 Brake resistors are available from Danfoss Improved power factor and EMC performance can be achieved by installing optional Danfoss line filters Danfoss power filters can also be used for load sharing MG02K302 Rev 2013 12 03 51 How to Install VLT Micro Drive FC 51 Design Guide 6 13 Electrical Installation and Control Cables Terminal number Terminal description Parameter number Factory default E Terminal 2 DC 2av Sp voe E E 20 Terminal 20 Common Digtal Ground 2 commn 7 25 E Terminal 42 Analog Output Digital 42 6 9 No operation Output 50 Terminal 50 Supply for Analog Input ESSES 10 V DC Terminal 53 A
40. 130BA463 10 Yo 50 0 SENTE Qui Main nu Menu Menu A Illustration 7 5 Indicating Value of Selected Parameter The right side of the display shows the unit of the selected parameter This can be either Hz A V kW HP s or RPM 58 MG02K302 Rev 2013 12 03 Programming ES tes 54 0 Status Quick Main Menu Menu 130BA462 10 Menu Illustration 7 6 Indicating Unit of Selected Parameter Motor direction is shown to the bottom left of the display indicated by a small arrow pointing either clockwise or counterclockwise 18 90 0 Status Quick Main Menu Menu 130BA460 10 Menu Illustration 7 7 Indicating Motor Direction Press Menu to select one of the following menus Status Menu The Status Menu is either in Readout Mode or Hand on Mode In Readout Mode the value of the currently selected readout parameter is shown in the display In Hand on Mode the local LCP reference is displayed Quick Menu Displays Quick Menu parameters and their settings Parameters in the Quick Menu can be accessed and edited from here Most applications can be run by setting the parameters in the Quick Menus Main Menu Displays Main Menu parameters and their settings All parameters can be accessed and edited here Indicator lights e Green LED The frequency converter is on e Yellow L
41. 1500 V DC voltage ranges Danfoss CE labels in accordance with the directive and issues a declaration of conformity upon request The EMC directive 89 336 EEC EMC is short for electromagnetic compatibility The presence of electromagnetic compatibility means that the mutual interference between different components appliances does not affect the way the appliances work The EMC directive came into effect January 1 1996 Danfoss CE labels in accordance with the directive and issues a declaration of conformity upon request To carry out EMC correct installation see the instructions in this Design Guide In addition Danfoss specifies which standards our products comply with Danfoss offers the filters presented in the specifications and provide other types of assistance to ensure the optimum EMC result The frequency converter is most often used by profes sionals of the trade as a complex component forming part of a larger appliance system or installation Not that the responsibility for the final EMC properties of the appliance system or installation rests with the installer 2 4 2 What is Covered The EU Guidelines on the Application of Council Directive 89 336 EEC outline three typical situations of using a frequency converter See chapter 2 4 3 Danfoss Frequency Converter and CE Labeling for EMC coverage and CE labeling 1 The frequency converter is sold directly to the end consumer The frequency converter is for example so
42. 3 RS 485 Installation and Set VLT Micro Drive FC 51 Design Guide Bus Bus PLC Content Access Description adress register Register o o fio Reserved __ Reserved for Legacy Drives VLT 5000 and VLT 2800 p a amo Reserved __ Reserved for Legacy Drives VLT S000 and VLT 2800 2 fa 4o003 Reserved Reserved for Legacy Drives VLT 5000 and VLT 2800 a je ree LLL a o fm fre 0 TT 5 40006 Modbus conf Read Write TCP only Reserved for Modbus TCP p12 28 and 12 29 6 7 40007 Last error code Read only Error code recieved from parameter database refer to WHAT E GEN ERE 7 40008 Last error Read only Address of register with which last error occurred refer to 8 40009 Index pointer Read Write Sub index of parameter to be accessed Refer to WHAT p me pem que quocum 9 40010 FC par 0 01 Dependent on Parameter 0 01 Modbus Register 10 parameter number a qq 19 20 40020 FC par 0 02 Dependent on Parameter 0 02 TE i 40030 FC par xx xx Dependent on Parameter 0 03 parameter access 20 bytes space reserved pr parameter in Modbus Map Table 8 17 Adress Registers 1 Value written in Modbus RTU telegram must be one or less than register number E g Read Modbus Register 1 by writing value O in telegram 8 8 9 How to Control the Frequency Function Function Sub Sub function Converter Code function code This section describes codes which can be used in the Diagnostics Restart communication
43. 4 4000 hex corresponds to 100 Negative figures are formatted by means of 2 s complement The actual output frequency MAV is scaled in the same way as the bus reference Master follower Re 16bit a lt a o CTW Speed ref m Follower master Actual output STW freq Illustration 8 16 Actual Output Frequency MAV The reference and MAV are scaled as follows 100 0 100 CO00hex hex 4000hex 1308A277 10 Par3 00 set to Reverse Forward 1 max max Par3 03 o Par3 03 Max reference Max reference 0 100 hex 4000hex ies cessa enia pr Se S rs HA Par3 00 set to i Forward 0 min max ERR ee ee eee e us I l Par3 02 Par3 03 Min reference Max reference Illustration 8 17 Reference and MAV 82 MG02K302 Rev 2013 12 03 Specifications VLT Micro Drive FC 51 Design Guide 9 Specifications 9 1 1 Mains Supply 1x200 240 V AC Normal overload 150 for 1 minute Frequency converter Typical Shaft Output kW Typical Shaft Output HP IP20 Output current Continuous 1x200 240 V AC A Intermittent 1x200 240 V AC A Max cable size mains motor mm AWG Max input current Continuous 1x200 240 V A Intermittent 1x200 240 V A Max mains fuses A Environment Estimated power loss W Best case Typical Weight enclosure IP20 kg PK18 PK37 PK75 NN a N N 1 4 10 N P1K5 P2K2 1 5 g 2 3
44. 400 0 Hz Set the Maximum Motor Speed corresponding to the maximum output 7 20 Process CL Feedback Resources frequency of the motor shaft Option Function NOTIC Select input to function as feedback DE As the maximum output frequency is an absolute value it 10 No Function cannot be deviated from E B Analog meus 6 22 Terminal 60 Low Current ei Puseinpuess i Range Function fini toareusret CS This reference signal should 7 30 Process PI Normal Inverse Control correspond to minimum reference Gp E E value set in 6 24 Terminal 60 Low ption pede Ref Feedb Value 0 Normal Feedback larger than setpoint results in a speed Feedback less than setpoint results in a speed ACA UTION increase a s 1 l F k h i Its i The value must be set to min 2 mA to activate the Live Haee Res pa etOs st ho ROLE Le a apa Zero Timeout function in 6 07 Live Zero Timeout Time increase Feedback less than setpoint results in a speed reduction 6 23 Terminal 60 High Current Range Function This reference signal should IL Function Disable Regulation of a given error continues even when the output frequency cannot be increased 7 31 Process PI Anti Windup correspond to the high current value set in 6 25 Terminal 60 High Ref Feedb Value decreased Pl controller ceases from regulating a given error when the output frequency cannot be increased
45. Connect a PC to the unit via USB com port 2 Open PC based Configuration Tool MCT 10 Set up Software 3 Select Read from drive 4 Select Save as All parameters are now stored in the PC Save Drive Settings 1 Connect a PC to the unit via USB com port 2 Open PC based Configuration Tool MCT 10 Set up Software 3 Select Open stored files is shown 4 Open the appropriate file 5 Select Write to drive All parameter settings are now transferred to the frequency converter A separate manual for PC based Configuration Tool MCT 10 Set up Software is available 56 MG02K302 Rev 2013 12 03 How to Install VLT Micro Drive FC 51 Design Guide The PC based Configuration Tool MCT 10 Set up Software modules The following modules are included in the software package MCT 10 Set up Software Setting parameters Copy to and from frequency converters Documentation and print out of parameter settings incl diagrams Ext User Interface Preventive Maintenance Schedule Clock settings Timed Action Programming Smart Logic Controller Set up Table 6 9 MCT 10 Set up Software Ordering number Order the CD containing the PC based Configuration Tool MCT 10 Set up Software using code number 130B1000 MCT 10 Set up Software can also be downloaded from the Danfoss Internet www danfoss com BusinessAreas DrivesSo lutions Softwaredownload DDPC Software Program htm 6 20 Safety 6 20 1 High Voltage Test Carry out a
46. ED Indicates a warning See chapter Troubleshooting in the VLT Micro Drive FC 51 Programming Guide e Flashing red LED Indicates an alarm See chapter Troubleshooting in VLT Micro Drive FC 51 Programming Guide Navigation Keys Back For moving to the previous step or layer in the navigation structure 4 Y For maneuvering between parameter groups parameters and within parameters OK For selecting a parameter and for accepting changes to parameter settings Dont VLT Micro Drive FC 51 Design Guide Pressing OK for more than 1 s enters Adjust mode In Adjust mode it is possible to make fast adjustment by pressing 4 Y combined with OK Press 4 Y to change value Press OK to shift between digits quickly To exit Adjust mode press OK more than 1 s again with changes saving or press Back without changes saving Operation Keys A yellow light above the operation keys indicates the active key Hand On Starts the motor and enables control of the frequency converter via the LCP Off Reset The motor stops except in alarm mode In alarm mode the motor is reset Auto On The frequency converter is controlled either via control terminals or serial communication Potentiometer LCP 12 The potentiometer works in 2 ways depending on the mode in which the frequency converter is running In Auto Mode the potentiometer acts as an extra programmable analog input In Hand on Mode the potentiome
47. Frame Frame Frame Frame M3 M3 M4 M4 M5 M5 iso zs ss s sss o ws ma ns as sio co 4 10 16 6 ma 33 ws coo 90 ss See chapter 6 6 Fuses Estimated power loss W Best case Typical Weight enclosure IP20 kg Efficiency 96 Best case Typical Table 9 4 Mains Supply 3x380 480 V AC At rated load conditions 131 0 166 8 175 0 217 5 o E 290 0 342 0 387 0 454 0 395 0 mE 0 467 0 0 98 0 98 0 97 8 97 7 98 98 97 5 97 5 974 97 4 98 0 97 9 MG02K302 Rev 2013 12 03 85 Specifications VLT Micro Drive FC 51 Design Guide Protection and features e Electronic thermal motor protection against overload e Temperature monitoring of the heat sink ensures that the frequency converter trips in case of overtemperature e The frequency converter is protected against short circuits between motor terminals U V W e When a motor phase is missing the frequency converter trips and issues an alarm e When a mains phase is missing the frequency converter trips or issues a warning depending on the load e Monitoring of the intermediate circuit voltage ensures that the frequency converter trips when the intermediate circuit voltage is too low or too high e The frequency converter is protected against ground faults on motor terminals U V W Mains supply L1 L L2 L3 N Supply voltage 200 240 V 10
48. HES tan dE 53 Switching lieu pre M 47 on the OUTPUT s s etti eb ie eee a 24 T Telegram Length LGE 67 Th rmistOr eerte tere iR GS 7 Type NEMA eter pa eee tete eee e 29 code jac 39 U UL COMPINIANCE cccessssssssssssssessseccssessseccssscsssssssscesscssssccsnecssscssneesseees 45 Unintended start eccsssssssssscssessesnseccsneesssecesnsecssnsecesuecssnseeeenseees 9 Unit ine abe te EE 58 Unsuccessful AMT ciecen 54 Use of EMC Correct Cables eee 49 Using a frequency converter saves moneu 15 VLT Micro Drive FC 51 Design Guide V Value uar e cea 58 Variable control of flow and pressure ss 15 Varying flow over 1 year erre 14 Vibration and shock e erre 12 Voltage level eicere tite rete geritis 87 MN e 8 W Windmilling rte eret eet 10 MG02K302 Rev 2013 12 03 91 Danfoss can accept no responsibility for possible errors in catalogues brochures and other printed material Danfoss reserves the right to alter its products without notice This also applies to products already on order provided that such alterations can be made without subsequential changes being necessary in specifications already agreed All trademarks in this material are property of the respective companies Danfoss and the Danfoss logotype are trademarks of Danfos
49. Introduction 1 4 5 Miscellaneous Analog Inputs The analog inputs are used for controlling various functions of the frequency converter There are 2 types of analog inputs e Current input 0 20 mA and 4 20 mA e Voltage input 0 10 V DC Analog Outputs The analog outputs can supply a signal of 0 20 mA 4 20 mA or a digital signal Automatic Motor Tuning AMT AMT algorithm determines the electrical parameters for the connected motor at standstill Brake Resistor The brake resistor is a module capable of absorbing the brake power generated in regenerative braking This regenerative braking power increases the intermediate circuit voltage and a brake chopper ensures that the power is transmitted to the brake resistor CT Characteristics Constant torque characteristics used for all applications such as conveyor belts displacement pumps and cranes Digital Inputs The digital inputs can be used for controlling various functions of the frequency converter Relay Outputs The frequency converter features two programmable Relay Outputs ETR Electronic Thermal Relay is a thermal load calculation based on present load and time Its purpose is to estimate the motor temperature Initialising If initialising is carried out 14 22 Operation Mode the programmable parameters of the frequency converter return to their default settings Initialising 14 22 Operation Mode does not initialise communication parameters Intermitte
50. M2 M3 10 4 4 1 2 See chapter 6 6 1 Fuses 12 5 20 0 36 5 61 0 81 0 15 5 25 0 44 0 67 0 85 1 1 1 1 1 1 6 bd o Efficiency 96 Best case Typical Table 9 1 Mains Supply 1x200 240 V AC At rated load conditions 9 1 2 Mains Supply 3x200 240 V AC 95 6 96 5 96 6 97 0 96 9 94 5 95 6 96 0 96 7 97 1 Normal overload 15096 for 1 min Frequency converter Typical Shaft Output kW Typical Shaft Output HP IP20 Output current Continuous 3x200 240 V A Intermittent 3x200 240 V A Max cable size mains motor mm AWG Max input current Continuous 3x200 240 V A Intermittent 3x200 240 V A Max mains fuses A Environment Estimated power loss W Best case Typical PK37 PK75 Mi EA UT E 23 4 10 See chapter 6 6 1 Fuses P2K2 P3K7 2 3 7 5 M3 ele Ert N N o 24 w N Weight enclosure IP20 kg Efficiency Best case Typical Table 9 2 Mains Supply 3x200 240 V AC At rated load conditions MG02K302 Rev 2013 12 03 8 IR 14 0 19 0 31 5 51 0 72 0 115 0 20 0 24 0 39 5 57 0 77 1 122 8 1 1 1 1 1 1 6 3 0 3 0 96 4 96 7 97 1 97 4 97 2 97 3 94 9 95 8 96 3 97 2 97 4 97 4 w Specifications VLT Micro Drive FC 51 Design Guide 9 1 3 Mains Supply 3x380 480 V AC Normal overload 150 for 1 min Frequency converter PK37 PK75 P2K2 P3KO P4KO Typical Shaft Output kW 0 37 0 75 ES 2 EXE 0 Exe 0
51. MAKING MODERN LIVING POSSIBLE la sign Guide ven Micro Drive FC 51 www danfoss com driveS iuenear DRIVE Contents VLT Micro Drive FC 51 Design Guide Contents 1 Introduction 5 MG02K302 Rev 2013 12 03 Contents VLT Micro Drive FC 51 Design Guide 4 1 10 FC 51 IP21 Kit Mounting Instruction MG02K302 Rev 2013 12 03 Contents VLT Micro Drive FC 51 Design Guide 6 15 Switches 53 MG02K302 Rev 2013 12 03 Contents VLT Micro Drive FC 51 Design Guide 8 4 12 Conversion 70 4 MG02K302 Rev 2013 12 03 Introduction 1 Introduction 1 1 Available Literature NOTIC This design guide contains the basic information necessary for installing and running the frequency converter Danfoss technical literature is available in print from local Danfoss Sales Offices or online at www danfoss com BusinessAreas DrivesSolutions Documentations e VLT Micro Drive FC 51 Quick Guide MGO2B e VLT Micro Drive FC 51 Programming Guide MG02C e FC 51 LCP Mounting Instruction MIO2A e FC 51 De coupling Plate Mounting Instruction MIO2B e FC 51 Remote Mounting Kit Mounting Instruction MIO2C e FC 51 DIN Rail Kit Mounting Instruction MIO2D e FC 51 IP21 Kit Mounting Instruction MIO2E e FC 51 Nema Kit Mounting Instruction MIO2F e FC 51 Line Filter MCC 107 Installation Instruction MIO2U 1 2 Document and Software Version This manual is regularly reviewed and updated All suggestion
52. Ordering No Description 130B2526 Line Filter MCC 107 for 132F0022 130B2529 Line Filter MCC 107 for 132F0024 130B2531 Line Filter MCC 107 for 132F0026 130B2528 Line Filter MCC 107 for 132F0028 130B2527 Line Filter MCC 107 for 132F0030 Table 5 4 Options for VLT Micro Drive NOTIC Danfoss line filters and brake resistors are available upon request 42 MG02K302 Rev 2013 12 03 How to Install 6 How to Install 6 1 Before Starting 6 1 1 Checklist When unpacking the frequency converter make sure that the unit is undamaged and complete Check that the packaging contains the following VLT Micro Drive FC 51 e Quick Guide Optional LCP and or de coupling plate 130ba508 10 Illustration 6 1 Content of Box VLT Micro Drive FC 51 Design Guide 6 2 Side by Side Installation The frequency converter can be mounted side by side for IP 20 rating units and requires 100 mm clearance above and below for cooling Regarding surroundings in general see chapter 9 Specifications min 100mm VLT VLT VLT VLT Micro Drive Micro Drive Micro Drive Micro Drive min 100mm 7 130BA470 11 Illustration 6 2 Side by side Installation 6 3 Before Commencing Repair Work 1 Disconnect the FC 51 from mains and external DC supply if present 2 Wait for 4 min M1 M2 and M3 and 15 min M4 and M5 for discharge of
53. PK3782E20HSXXCXXXSXXX P N 132F0002 S N 0000000416 F3 migo Se ea 60Hz 6 1A s OUT 3x0 Vin CHASSIS IP20 Temp 40 C 104 F anna f FOR LL Ind Contr Eq A Ci CAUTION SEE MANUAL VOIR MANUEL G NOT TOUCH UNTIL 4 MIN AFTER DISCONNECTION A CHARGE RESIDUELLE ATTENDRE 4 MIN APRES DECONNEXION 130BA505 Illustration 5 1 Nameplate Sticker MG02K302 Rev 2013 12 03 39 How to Order VLT Micro Drive FC 51 Design Guide 5 3 Type Code 1234 FC 0 5 8 9 10 1112 13 14 15 16 17 18 19 20 21 2223 24 25 26 27 P H XXXSXXX 6 1 130BA589 10 Table 5 1 Type Code Description Product group Series and product type Power size Mains voltage Enclosure RFI filter Brake Display Coating PCB Mains option Pos Possible choice 7 10 0 18 22 kW 11 12 S2 Single phase 200 240 V AC T 2 Three phase 200 240 V AC T 4 Three phase 380 480 V AC 16 17 H3 RFI filter A1 B reduced cable length B Brake chopper included from 1 5 kW and up X No brake chopper included X No Local Control Panel N Numerical Local Control Panel LCP P Numerical Local Control Panel LCP with potentiometer C Coated PCB X No coated PCB o Adaptation A Adaptation B Software release Table 5 2 Type Code Description 40 X No mains option w NININ N mE NI Ke o MG02K302 Rev 2013 12
54. Typical Shaft Output HP vos 1 2 Pe ee e ee ee IP 20 Output current Continuous 3x380 440 V A 1 2 2 2 3 7 5 3 72 9 0 intermittent 1380 440 V TA s 3s se se s Continuous 9440 880 V I intermittent 440 480 V A Max cable size mains motor mm AWG Max input current Continuous 380 440 V TAJ intermittent 5380 440 V IA Continuous 3440 480 V A wae p ao sek aa E nes intermittent 440 480 V IA Max mains fuses A See chapter 6 6 Fuses Environment Estimated power loss W Best case 18 5 28 5 41 5 57 5 75 0 98 5 Typical 25 5 43 5 56 5 81 5 101 6 133 5 Efficiency 96 Best case Typical 96 8 97 4 98 0 97 9 98 0 98 0 95 5 96 0 97 2 97 1 97 2 97 3 Table 9 3 Mains Supply 3x380 480 V AC At rated load conditions 84 MG02K302 Rev 2013 12 03 Specifications VLT Micro Drive FC 51 Design Guide Defesa Normal overload 150 or 1 min Frequency converter Typical Shaft Output kW Typical Shaft Output HP P5K5 P7K5 P18K P22K 5 5 7 5 18 5 22 IP 20 Output current Continuous 3x380 440 V A Intermittent 3x380 440 V A Continuous 3x440 480 V A Intermittent 3x440 480 V A Max cable size mains motor mm AWG Max input current Continuous 3x380 440 V A Intermittent 3x380 440 V A Continuous 3x440 480 V A Intermittent 3x440 480 V A Max mains fuses A Environment 75 10 15 20 25 30 Frame Frame
55. a 3 digital inputs or bus Table 7 1 Parameter Group 5 1 Digital Inputs Option 16 17 and 18 0 00 100 00 100 00 Enter the different preset references 5 using array programming Normally 100 value set in 3 03 Maximum Reference However there are exceptions if 3 00 Reference Range is set to 0 Min Max Example 1 3 02 Minimum Reference is set to 20 and 3 03 Maximum Reference is set to 50 In this case 096 0 and 100 50 Example 2 Defesa Programming VLT Micro Drive FC 51 Design Guide 3 10 Preset Reference 6 25 Terminal 60 High Ref Feedb Value Option Function Range Function 3 02 Minimum Reference is set to 70 The scaling value corresponding to the and 3 03 Maximum Reference is set to high current set in 6 23 Terminal 60 High 50 In this case 0 0 and 100 70 4 12 Motor Speed Low Limit Range Function 0 0 400 0 Hz Set the Minimum Motor Speed Limit Range Function corresponding to the minimum output A first order digital low pass filter time frequency of the motor shaft NOTIC constant for suppressing electrical noise in terminal 60 A high time constant value improves dampening but also As the minimum output frequency is an absolute value it cannot be deviated from increases time delay through the filter NOTIC This parameter cannot be changed 4 14 Motor Speed High Limit while motor runs fenes icut 0 01 s 10 01 10 00 5 65 0 Hz 0 0
56. ad coils 33 48 status word from follower device 01 Field Name Follower Address Example hex 01 frequency converter address 01 read coils 20 32 decimals Coil 33 Function Starting Address HI Starting Address LO No of Points HI No of Points LO Error Check CRC 10 16 decimals Table 8 21 Query Response The coil status in the response message is packed as one coil per bit of the data field Status is indicated as 1 ON 0 OFF The LSB of the first data byte contains the coil addressed in the query The other coils follow toward the high order end of this byte and from low order to high order in subsequent bytes If the returned coil quantity is not a multiple of 8 the remaining bits in the final data byte is padded with zeros toward the high order end of the byte The byte count field specifies the number of complete bytes of data Field Name Example hex Follower Address 01 frequency converter address Function 01 read coils 02 2 bytes of data Byte Count Data Coils 40 33 Data Coils 48 41 Error Check CRC 06 STW 0607hex Table 8 22 Response NOTIC Coils and registers are addressed explicitly with an off set of 1 in Modbus l e Coil 33 is addressed as Coil 32 8 10 2 Force Write Single Coil 05 hex Description This function forces the coil to either ON or OFF When broadcast the function forces the same coil references in all attached
57. age frequency ratio control Voltage Vector Control VVCP 5 improves the dynamics and the stability both when the speed reference is changed and in relation to the load torque 1 5 Power Factor The power factor is the relation between and Inws A3 x Ux h x COSp V3 x Ux IRMS The power factor for 3 phase control Power factor h x cosol h IRMS RMS The power factor indicates to which extent the frequency converter imposes a load on the mains supply The lower the power factor the higher the Irms for the same kW performance IRMS AR IE esse In addition a high power factor indicates that the different harmonic currents are low since cosp1 1 8 MG02K302 Rev 2013 12 03 Safety and Conformity 2 Safety and Conformity 2 1 Safety The following symbols are used in this document AWARNING Indicates a potentially hazardous situation which could result in death or serious injury ACAUTION Indicates a potentially hazardous situation which could result in minor or moderate injury It may also be used to alert against unsafe practices NOTIC Indicates important information including situations that may result in damage to equipment or property 2 1 1 Safety Precautions AWARNING HIGH VOLTAGE Frequency converters contain high voltage when connected to AC mains input power Failure to perform installation start up and maintenance by qualified personnel could result in death or serio
58. al EMC properties of the appliance system or installation rests with the installer As an aid to the installer Danfoss has prepared EMC instal lation guidelines for the Power Drive system The standards and test levels stated for Power Drive systems are complied with if the EMC correct instructions for instal lation are followed The frequency converter has been designed to meet the IEC EN 60068 2 3 standard EN 50178 9 4 2 2 at 50 C 2 5 Aggressive Environments A frequency converter contains many mechanical and electronic components All are to some extent vulnerable to environmental effects ACAUTION The frequency converter should not be installed in environments with airborne liquids particles or gases capable of affecting and damaging the electronic components Failure to take the necessary protective measures increases the risk of stoppages thus reducing the life of the frequency converter Liquids can be carried through the air and condense in the frequency converter and may cause corrosion of components and metal parts Steam oil and salt water may cause corrosion of components and metal parts In such environments use equipment with enclosure rating IP54 As an extra protection coated printed circuit boards can be ordered as an option Standard on some power sizes Airborne particles such as dust may cause mechanical electrical or thermal failure in the frequency converter A typical indicator of excessive
59. ameters for the PI Basic Settings For a more detailed description see VLT Micro Drive FC 51 Programming Guide 1 00 Configuration Mode Function Use this parameter for selecting the application control principle to be used when a Remote Reference is active NOTIC Changing this parameter resets 3 00 Reference Range 3 02 Minimum Reference and 3 03 Maximum Reference to their default values aere This parameter cannot be adjusted while motor runs Speed For normal speed control References Open Loop MG02K302 Rev 2013 12 03 61 Darfi VLT Micro Drive FC 51 Design Guide 1 00 Configuration Mode Option Function Process Enables process closed loop control See Closed parameter group 7 3 Process PI Control for Loop further information on Pl controller 3 02 Minimum Reference Range Function 4999 4999 Enter value for minimum reference The sum of all internal and external references are clamped limited to the minimum reference value 3 02 Minimum Reference 3 03 Maximum Reference Range Function Maximum Reference is adjustable in the range Minimum Reference 4999 5 0 00 4999 4999 Enter value for Maximum Reference The sum of all internal and external references are clamped limited to the maximum reference value 3 03 Maximum Reference 3 10 Preset Reference Option Function Each parameter set up contains 8 preset references which are selectable vi
60. and a high byte Index IND Only the low byte is used as an index 8 4 10 Parameter Value PWE The parameter value block consists of 2 words 4 bytes and the value depends on the defined command AK The master prompts for a parameter value when the PWE block contains no value To change a parameter value write o RS 485 Installation and Set write the new value in the PWE block and send from the master to the follower When a follower responds to a parameter request read command the present parameter value in the PWE block is transferred and returned to the master If a parameter contains several data options e g 0 01 Language select the data value by entering the value in the PWE block Serial communication is only capable of reading parameters containing data type 9 text string 15 40 FC Type to 15 53 Power Card Serial Number contain data type 9 For example read the unit size and mains voltage range in 15 40 FC Type When a text string is transferred read the length of the telegram is variable and the texts are of different lengths The telegram length is defined in the second byte of the telegram LGE When using text transfer the index character indicates whether it is a read or a write command To read a text via the PWE block set the parameter command AK to F hex The index character high byte must be 4 8 4 11 Data Types Supported by the Frequency Converter Unsigned means that
61. arameter block The parameter block is used to transfer parameters between master and follower The data block is made up of 12 bytes 6 words and also contains the process block 1 1 1 eo sx LGE ADR PKE IND PWEnigh PWElow PCDI PCD2 ac amp amp eo m Illustration 8 7 Parameter Block Text block The text block is used to read or write texts via the data block 1 er LGE ADR PKE IND Chi Ch2 Chn PCD1 PCD2 BCC S lt a eo m Illustration 8 8 Text Block 68 MG02K302 Rev 2013 12 03 RS 485 Installation and Set 8 4 7 The PKE Field The PKE field contains 2 subfields Parameter command and response AK and Parameter number PNU PKE IND PWEhigh PWElow 130BB918 10 AK PNU 151413 12 11109876543210 588 g Yves ee ee o vw ooo Eg EEL SE Go gg S3 oc ac au mc Illustration 8 9 PKE Field Bits no 12 15 transfer parameter commands from master to follower and return processed follower responses to the master Parameter commands master gt follower Parameter command 14 13 12 o o o Nocommand o o Read parameter value O 1 Jo Write parameter value in RAM word Write parameter value in RAM double NN 1 1 Write parameter value in RAM and rr EEprom double word 1 Write parameter value in RAM and BE EEprom word Table 8 5 Parameter Commands
62. ards MN90G Protective earthing of the frequency converter and the use of RCDs must always follow national and local regulations 3 5 Extreme Running Conditions Short circuit motor phase phase Current measurement in each of the 3 motor phases or in the DC link protects the frequency converter against short circuts A short circuit between 2 output phases causes an overcurrent in the inverter The inverter is turned off individually when the short circuit current exceeds the permitted value Alarm 16 Trip Lock For information about protecting the frequency converter against a short circuit at the load sharing and brake outputs see the design guidelines Switching on the output Switching on the output between the motor and the frequency converter is fully permitted The frequency converter is not damaged in any way by switching on the output However fault messages may appear 24 MG02K302 Rev 2013 12 03 Product Overview Motor generated over voltage The voltage in the intermediate circuit is increased when the motor acts as a generator This occurs in following cases e The load drives the motor at constant output frequency from the frequency converter that is the load generates energy e During deceleration ramp down if the moment of inertia is high the friction is low and the ramp down time is too short for the energy to be dissipated as a loss in the frequency converter the motor and the installatio
63. ation devices in the frequency converter e Avoid mounting with twisted screen ends pigtails which spoils high frequency screening effects e If it is necessary to split the screen to install a motor isolator or motor relay the screen must be continued with the lowest possible HF impedance 6 8 3 Electrical Installation of Motor Cables Screening of cables Avoid installation with twisted screen ends pigtails They spoil the screening effect at higher frequencies If it is necessary to break the screen to install a motor isolator or motor contactor the screen must be continued at the lowest possible HF impedance Cable length and cross section The frequency converter has been tested with a given length of cable and a given cross section of that cable If the cross section is increased the cable capacitance and thus the leakage current may increase and the cable length must be reduced correspondingly Dont VLT Micro Drive FC 51 Design Guide Switching frequency When frequency converters are used together with Sine wave filters to reduce the acoustic noise from a motor the switching frequency must be set according to the Sine wave filter instruction in 14 01 Switching Frequency Aluminium conductors Aluminium conductors are not recommended Terminals can accept aluminium conductors but the conductor surface has to be clean and the oxidation must be removed and sealed by neutral acid free Vaseline grease befo
64. ay result in damage to the frequency converter motor or brake output and the installation Max Fuses UL Max fuses non FC 51 3 Ferraz Ferraz Littel fuse UL Shawmut Shawmut 1X200 240 V ww ALAIA 3x200 240 V 0K37 KTN R15 JKS 15 JJN 15 KLN R15 ATM R15 A2K 15R 16A A 3x380 480 V Table 6 2 Fuses 4 4 A A 35A 50A 20A 25A 0A 0A 20A 0A 0A MG02K302 Rev 2013 12 03 4 Un Denis How to Install VLT Micro Drive FC 51 Design Guide 6 7 Mains Connection All types of 3 phased asynchronous standard motors can be connected to the frequency converter Normally small Step 1 Mount ground cable motors are star connected 230 400 V A Y Large motors are delta connected 400 690 V A Y Refer to motor Step 2 Mount wires in terminals L1 L L2 and L3 N and nameplate for correct connection and voltage tighten it i I lt ty I z DM Peres E cs I l 1 is T I ix e ite Bo 1308451010 130BA471 11 Illustration 6 6 Star and Delta Connections Illustration 6 4 Mounting of Ground Cable and Mains Wires Step 1 Mount the ground cable For 3 phase connection connect wires to all three terminals For single phase connection connect wires to terminals L1 L and L3 N Step 2 Connect wires to terminals either in star or delta connection See motor nameplate for further information LIL L2 L3N I I We b eo 3 x 200 240 V a 3x380 480V Q i LUL L2 L3N a
65. code field tells the follower what kind of action to perform When the follower responds to the master it uses the function code field to indicate either a normal error free response or that some kind of error occurred called an exception response For a normal response the follower simply echoes the original function code For an exception response the follower returns a code that is equivalent to the original function code with its most significant bit set to logic 1 In addition the follower places a unique code into the data field of the response message This tells the master what kind of error occurred or the reason for the exception Also refer to the sections chapter 8 8 10 Function Codes Supported by Modbus RTU and chapter 8 8 11 Modbus Exception Codes Denis VLT Micro Drive FC 51 Design Guide 8 8 6 Data Field The data field is constructed using sets of 2 hexadecimal digits in the range of 00 to FF hexadecimal These are made up of one RTU character The data field of messages sent from a master to follower device contains additional information which the follower must use to take the action defined by the function code This can include items such as coil or register addresses the quantity of items to be handled and the count of actual data bytes in the field 8 8 7 CRC Check Field Messages include an error checking field operating based on a Cyclical Redundancy Check CRC method The CRC field checks the co
66. converter s built in relay The bus reference is commonly used for speed control It is also possible to access the parameters read their values and where possible write values to them This permits a range of control options including controlling the setpoint of the frequency converter when its internal PI controller is used 8 7 Network Configuration To enable Modbus RTU on the frequency converter set the following parameters Parameter Setting 8 30 Protocol Modbus RTU 8 31 Address 1 247 8 32 Baud Rate 2400 115200 8 33 Parity Stop Bits Even parity 1 stop bit default Table 8 11 Network Configuration Dont VLT Micro Drive FC 51 Design Guide 8 8 Modbus RTU Message Framing Structure 8 8 1 Frequency Converter with Modbus RTU The controllers are set up to communicate on the Modbus network using RTU Remote Terminal Unit mode with each byte in a message containing 2 4 bit hexadecimal characters The format for each byte is shown in Table 8 12 Start Data byte Stop Stop bit parity Table 8 12 Format for Each Byte Coding System 8 bit binary hexadecimal 0 9 A F 2 hexadecimal characters contained in each 8 bit field of the message 1 start bit 8 data bits least significant bit sent first Bits Per Byte 1 bit for even odd parity no bit for no parity 1 stop bit if parity is used 2 bits if no parity Cyclical Redundancy Check CRC Error Check Field 8 8 2 Modbus RTU M
67. ctronic waste according to local and currently valid legislation 2 3 Approvals CE o Table 2 2 Approvals The frequency converter complies with UL508C thermal memory retention requirements For more information refer to chapter 3 5 1 Motor Thermal Protection 2 4 CE Labeling 2 4 1 CE Conformity and Labeling What is CE Conformity and Labeling The purpose of CE labeling is to avoid technical trade obstacles within EFTA and the EU The EU has introduced the CE label as a simple way of showing whether a product complies with the relevant EU directives The CE label says nothing about the specifications or quality of the product Frequency converters are regulated by 3 EU directives The machinery directive 98 37 EEC All machines with critical moving parts are covered by the machinery directive of January 1 1995 Since a frequency converter is largely electrical it does not fall under the machinery directive However if a frequency converter is supplied for use in a machine Danfoss provides Darfi VLT Micro Drive FC 51 Design Guide information on safety aspects relating to the frequency converter Danfoss do this by means of a manufacturer s declaration The low voltage directive 73 23 EEC Frequency converters must be CE labeled in accordance with the low voltage directive of January 1 1997 The directive applies to all electrical equipment and appliances used in the 50 1000 V AC and the 75
68. cy converter how to 56 Control Cabl85 e bee ee aaa 52 card 24 V DC OUTPUL eecsessssssssescsseesssccssscssneccsscsssesesnsssssccsneeessees 87 str cture closed lo0p cte rei rid 19 structure open N00 piisit 18 terminals reete e ec eere a 53 Mo der R da erica nianrc nio 79 Controlling Fans and Pumeps eene 12 Covered What is eee HIERHER 10 D Data types supported by the frequency converterv 70 pier cm M anaita aas 80 De Coupling teret osten entetent tte dent 29 Definitions Derating for low air pressure 38 Digital INPUTS i a E E a ER 87 inputs pulse encoder inputs Discharge tine cce enna 9 VLT Micro Drive FC 51 Design Guide DiS pl ay 58 Disposal eco caecis e d DOR EE e IE 0 Drive Configurator eese reeenttttenntttnnnttnnnnce 39 E Earth leakage current eres 57 24 Earthing Earthihg i rerit et eto a 50 of screened armoured control cables 50 Edit set up a e eR Rd ERREUR AERE LEGE du EY 58 Electrical installation eene 47 52 EMC Directive 89 336 EEC ccccssssessesssssesseesessessesseessssessessecsseseeseesees 10 Directive 89 336 EEC 11 emissions 21 precautions 66 test results emission tente tentnntnnnns 23 EMC Correct electrical enstallation 47 Emission require
69. cy converters or a Use the terminator dip switch on the main control board biased termination resistor network Always use screened of the frequency converter to terminate the RS 485 bus twisted pair STP cable for bus cabling and always follow good common installation practice Low impedance ground connection of the screen at every m node is important including at high frequencies Thus connect a large surface of the screen to ground for example with a cable clamp or a conductive cable gland It may be necessary to apply potential equalising cables to maintain the same earth potential throughout the network particularly in installations with long cables To prevent impedance mismatch always use the same type of cable throughout the entire network When connecting a motor to the frequency converter always use screened motor cable m 130BB966 10 Cable Screened twisted pair STP Impedance 120 0 TES an Cable length Max 1200 including drop lines m Max 500 station to station Table 8 1 Cable Specifications MAINS 8 1 2 Network Connection ooo A Connect the frequency converter to the RS 485 network Illustration 8 2 Terminator Switch Factory Setting as follows see als
70. decreased 7 32 Process PI Start Speed The scaling value corresponding to the low current set in 6 22 Terminal 60 Low Range Function 0 0 Hz 0 0 200 0 Hz Until the set motor speed has been reached the frequency converter operates in open loop mode 62 MG02K302 Rev 2013 12 03 Current 0 000 4999 4999 Enter analog input scaling value Denis Programming VLT Micro Drive FC 51 Design Guide 7 33 Process PI Proportional Gain 7 6 Quick Transfer of Parameter Settings Option Function between Multiple Frequency Converters 0 01 0 00 10 00 Enter the value for the P proportional gain Once the set up of a frequency converter is complete Danfoss recommends to store the data in the LCP or on a PC via MCT 10 Set up Software tool i e the multiplication factor of the error between the setpoint and the feedback signal NOTIC Data transfer from frequency converter to LCP 0 00 Off AWARNING Stop the motor before performing this operation Range Function 9999 00 s 0 10 9999 00 s The integrator provides an 1 Go to 0 50 LCP Copy increasing gain at a constant error 2 Press OK between the set point and the feedback signal The integral time 3 Select 1 All to LCP is the time needed by the 4 Press OK init grator To eae the sameigain Connect the LCP to another frequency converter and copy the parameter settings to this frequency converter as well as the proportiona
71. ecautions for RS 485 Darfi VLT Micro Drive FC 51 Design Guide 8 1 5 Frequency Converter Parameter Settings for Modbus Communication The following parameters apply to the RS 485 interface FC port Function Select the application protocol to run on the RS 485 interface Set the node address NOTIC The address range depends on the protocol selected in 8 30 Protocol Parameter 8 30 Protocol 8 31 Address Set the baud rate NOTIC 8 32 Baud Rate The default baud rate depends on the protocol selected in 8 30 Protocol 8 33 Parity Stop Set the parity and number of stop bits Bits NOTIC The default selection depends on the protocol selected in 8 30 Protocol 8 35 Minimum Response Delay Specify a minimum delay time between receiving a request and transmitting a response This function is for overcoming modem turnaround delays 8 36 Maximum Specify a maximum delay time between Response Delay transmitting a request and receiving a response Table 8 2 Parameters Related to RS 485 Interface 8 2 FC Protocol Overview The FC protocol also referred to as FC bus or Standard bus is the Danfoss standard fieldbus It defines an access technique according to the master follower principle for communications via a serial bus One master and a maximum of 126 followers can be connected to the bus The master selects the individual followers via an address character in the telegram A follower
72. ectronic motor overload standards This method is called Electronic Thermal Relay ETR VLT Micro Drive FC 51 Design Guide 175ZA052 12 four 1 xf m n par 1 23 four 2XfMN en o 50 four 0 2xf MN Im Imn par 1 24 1 0 12 14 1 6 1 8 2 0 Illustration 3 8 ETR Characteristics The X axis shows the ratio between Imotor and Imotor nominal The Y axis shows the time in seconds before the ETR cut of and trips the frequency converter The curves show the characteristic nominal speed at twice the nominal speed and at 0 2 x the nominal speed At lower speed the ETR cuts off at lower heat due to less cooling of the motor In that way the motor is protected from being over heated even at low speed The ETR feature is calculating the motor temperature based on actual current and speed The calculated temperature is visible as a read out parameter in 16 18 Motor Thermal in the product specific Programming Guide A special version of the ETR is also available for EX e motors in ATEX areas This function makes it possible to enter a specific curve to protect the Ex e motor The Programming Guide takes the user through the set up MG02K302 Rev 2013 12 03 25 Selection 4 Selection 4 1 Options and Accessories 4 1 1 Local Control Panel LCP For detailed information on programming see VLT Micro Drive FC 51P
73. emove the LC filter during the AMT procedure 4 Press OK The display shows Press Hand On to start 5 Press Hand On A progress bar indicates if the AMT is in progress Stop the AMT during operation 1 Press Off the frequency converter enters into alarm mode and the display shows that the user terminated the AMT Darfi VLT Micro Drive FC 51 Design Guide Successful AMT 1 The display shows Press OK to finish AMT 2 Press OK to exit the AMT state Unsuccessful AMT 1 The frequency converter enters into alarm mode A description of the alarm can be found in the Troubleshooting section in VLT Micro Drive FC 51 Programming Guide 2 Report Value in the Alarm Log shows the last measuring sequence carried out by the AMT before the frequency converter entered alarm mode This number along with the description of the alarm assists in troubleshooting Contact Danfoss Service and make sure to mention number and alarm description Unsuccessful AMT is often caused by incorrectly registered motor name plate data or too big difference between the motor power size and the frequency converter power size Step 4 Set speed limit and ramp time Set up the desired limits for speed and ramp time Minimum Reference 3 02 Minimum Reference Table 6 5 Reference Limit Parameters 4 11 Motor Speed Low Limit RPM or 4 12 Motor Speed Low Limit Hz 4 13 Motor Speed High Limit Motor Speed Low Limit
74. endence of flow pressure LA and power consumption on RPM l esg neigy dana LJ O E S 10096 E Dd 8096 Flown Maximum energy savings 50 Pressure n2 25 H Power n3 12 5 Costlier installation e dH Illustration 2 4 The 3 Common Energy Saving Systems 50 80 100 Illustration 2 3 Laws of Proportionally x 100 E QI ni co Flow gt E Q2 n2 Discharge Damper Solution 2 Pressure m SF 80 IGV Solution VLT Solution QA mg Power T 3 E Q Flow P Power p S0 E Qi Rated flow Pi Rated power a 2 3 o Q2 Reduced flow P2 Reduced power EU qud gt E H Pressure n Speed regulation 9 2 a o Hi Rated pressure ni Rated speed e E g 5 H gt Reduced pressure n2 Reduced speed 20 9 E E S a gt Table 2 4 The Laws of Proportionality A LL 0 60 0 60 0 60 2 7 4 Comparison of Energy Savings Volume 96 Illustration 2 5 Energy Savings The Danfoss frequency converter solution offers major savings compared with traditional energy saving solutions This is because the frequency converter is able to control fan speed according to thermal load on the system and the fact that the frequency converter has a built in facility that enables the frequency converter to function as a Building Management System BMS Discharge dampers reduce power consumption Inlet Guide Vans offer a 40 reduction but are expensive to install The Danfoss frequency c
75. ength is invalid For a controller with 100 registers a request with offset 96 and length 4 would succeed a request with offset 96 and length 5 generates exception 02 Ilegal data A value contained in the query data field value is not an allowable value for server or follower This indicates a fault in the structure of the remainder of a complex request such as that the implied length is incorrect It specifically does NOT mean that a data item submitted for storage in a register has a value outside the expectation of the application program since the Modbus protocol is unaware of the significance of any particular value of any particular register Follower An unrecoverable error occurred while the device failure server or follower was attempting to perform the requested action Table 8 20 Modbus Exception Codes 8 9 How to Access Parameters 8 9 1 Parameter Handling The PNU Parameter Number is translated from the register address contained in the Modbus read or write message The parameter number is translated to Modbus as 10 x parameter number DECIMAL Example Reading 3 12 Catch up slow Down Value 16bit The holding register 3120 holds the parameters value A value of 1352 Decimal means that the parameter is set to 12 52 Darfi VLT Micro Drive FC 51 Design Guide Reading 3 14 Preset Relative Reference 32bit The holding registers 3410 amp 3411 holds the parameters value A value of 11300 Dec
76. equency converters by connecting one end of the screen to terminal 61 This terminal is connected to ground via an internal RC link Use twisted pair cables to reduce the differential mode interference between the conductors 6 11 Residual Current Device Use RCD relays multiple protective earthing or earthing as extra protection if local safety regulations are complied with If an earth fault appears a DC content may develop in the faulty current If RCD relays are used local regulations must be observed Relays must be suitable for protection of 3 phase equipment with a bridge rectifier and for a brief discharge on power up see chapter 3 4 Earth Leakage Current for further information 50 MG02K302 Rev 2013 12 03 How to Install 6 12 Electrical Overview 6 12 1 Power Circuit Overview VLT Micro Drive FC 51 Design Guide 4 i rte es po 1 V Vl 3 Phase W 1 Wa 1 8 power 2 input AK 4k d zm ER EN voa NL ea Motor UDC Switch Mode i Dx Dus Power Suppl 7 ae i UDC BR Broke 10Vdc 24Vdc resistor BR 10Vde See DD sismo p 0 10Vde E 4 Q 53 A IN ON I 0 20mA
77. essage Structure The transmitting device places a Modbus RTU message into a frame with a known beginning and ending point This allows receiving devices to begin at the start of the message read the address portion determine which device is addressed or all devices if the message is broadcast and to recognise when the message is completed Partial messages are detected and errors set as a result Characters for transmission must be in hexadecimal 00 to FF format in each field The frequency converter continuously monitors the network bus also during silent intervals When the first field the address field is received each frequency converter or device decodes it to determine which device is being addressed Modbus RTU messages addressed to zero are broadcast messages No response is permitted for broadcast messages A typical message frame is shown in Table 8 13 Start Address Function Data CRC End check T1 12 T3 8 bits 8 bits Nx8 16 bits TI T2 T3 T4 bits T4 Table 8 13 Typical Modbus RTU Message Structure 72 MG02K302 Rev 2013 12 03 RS 485 Installation and Set 8 8 3 Start Stop Field Messages start with a silent period of at least 3 5 character intervals This is implemented as a multiple of character intervals at the selected network baud rate shown as Start T1 T2 T3 T4 The first field to be transmitted is the device address Following the last transmitted character a similar period of at least 3
78. followers Query The query message specifies the coil 65 parameter write control to be forced Coil addresses start at zero that is coil 65 is addressed as 64 Force Data 00 OOhex OFF or FF OOhex ON Field Name Example hex 01 Frequency converter address 05 write single coil 00 40 64 decimal Coil 65 Follower Address Function Coil Address HI Coil Address LO Force Data HI Force Data LO Error Check CRC 00 FF 00 ON Table 8 23 Query Response The normal response is an echo of the query returned after the coil state has been forced Field Name Example hex Follower Address Function Force Data HI Force Data LO Quantity of Coils HI Quantity of Coils LO Error Check CRC Table 8 24 Response MG02K302 Rev 2013 12 03 77 RS 485 Installation and Set 8 10 3 Force Write Multiple Coils OF hex Description This function forces each coil in a sequence of coils to either ON or OFF When broadcasting the function forces the same coil references in all attached followers Query The query message specifies the coils 17 to 32 speed set point to be forced Field Name Example hex 01 frequency converter address OF write multiple coils 10 coil address 17 10 16 coils Follower Address Function Coil Address HI Coil Address LO Quantity of Coils HI Quantity of Coils LO Force Data HI 20 Force Data LO 00 ref 2000 hex Coils 16 9
79. gh most immunity requirements are observed MG02K302 Rev 2013 12 03 21 Product Overview VLT Micro Drive FC 51 Design Guide Denis To reduce the interference level from the entire system unit installation make motor and brake cables as short as possible Avoid placing cables with a sensitive signal level alongside motor and brake cables Radio interference higher than 50 MHz airborne is especially generated by the control electronics 3 2 1 Emission Requirements The EMC product standard for frequency converters defines 4 categories C1 C2 C3 and C4 with specified requirements for emission and immunity Table 3 1 states the definition of the 4 categories and the equivalent classi fication from EN 55011 C2 C3 C4 the first environment home and office with a supply voltage less than 1000 V Frequency converters installed in the first environment home and office with a supply voltage less than 1000 V which are neither plug in nor movable and are intended to be installed and commissioned by a professional Frequency converters installed in the second environment industrial with a supply voltage lower than 1000 V Frequency converters installed in the second environment with a supply voltage equal to or above Equivalent emission Category Definition gory class in EN 55011 C1 Frequency converters installed in Class B Class A Group 1 Class A Group 2 No limit line An EMC
80. ication parameters 2 finger initialisation 1 Power off the frequency converter 2 Press OK and Menu 3 Power up the frequency converter while still pressing the keys above for 10 s 2 finger initiali sation 4 The frequency converter is now reset except the following parameters 15 00 Operating hours 15 03 Power Up s 15 04 Over Temp s 15 05 Over Volt s 15 4 Drive identification parameters Initialisation of parameters is confirmed by AL80 in the display after the power cycle 64 MG02K302 Rev 2013 12 03 RS 485 Installation and Set VLT Micro Drive FC 51 Design Guide 8 RS 485 Installation and Set up 8 1 RS 485 Installation and Set up 8 1 1 Overview NOTIC Screened twisted pair cables are recommended to RS 485 is a 2 wire bus interface compatible with multi drop reduce noise between conductors network topology that is nodes can be connected as a bus or via drop cables from a common trunk line A total 61 68 69 2 of 32 nodes can be connected to one network segment i Repeaters divide network segments 8 es RA m a ui Zz NOTIC 6 Each repeater functions as a node within the segment in Illustration 8 1 Network Connection which it is installed Each node connected within a given network must have a unique node address across all segments 8 1 3 Frequency Converter Hardware Set up Terminate each segment at both ends using either the termination switch S801 of the frequen
81. igher isolation and by providing the relevant creapage clearance distances These requirements are described in the EN 61800 5 1 standard The components that make up the electrical isolation as described also comply with the requirements for higher isolation and the relevant test as described in EN 61800 5 1 The PELV galvanic isolation can be shown in Illustration 3 7 To maintain PELV all connections made to the control terminals must be PELV e g thermistor must be reinforced double insulated MG02K302 Rev 2013 12 03 23 Product Overview 0 25 22 kW 130BB896 10 1 Power supply SMPS 2 Optocouplers communication between AOC and BOC 3 Custom relays a Control card terminals Illustration 3 6 Galvanic Isolation 30 90 kW 130BB901 10 1 Power supply SMPS incl signal isolation of UDC indicating the intermediate current voltage Gate drive that runs the IGBTs trigger transformers opto couplers Internal soft charge RFI and temperature measurement circuits Custom relays Control card terminals Illustration 3 7 Galvanic Isolation The functional galvanic isolation see Illustration 3 6 is for the RS 485 standard bus interface ACAUTION Instal
82. imal means that the parameter is set to 1113 00 For information on the parameters size and converting index consult the product relevant programming guide 8 9 2 Storage of Data The coil 65 decimal determines whether data written to the frequency converter are stored in EEPROM and RAM coil 65 1 or only in RAM coil 65 0 8 9 3 IND Index Some parameters in the frequency converter are array parameters e g 3 10 Preset Reference Since the Modbus does not support arrays in the holding registers the frequency converter has reserved the holding register 9 as pointer to the array Before reading or writing an array parameter set the holding register 9 Setting holding register to the value of 2 causes all following read write to array parameters to be to the index 2 See also 8 9 4 Text Blocks Parameters stored as text strings are accessed in the same way as the other parameters The maximum text block size is 20 characters If a read request for a parameter is for more characters than the parameter stores the response is truncated If the read request for a parameter is for fewer characters than the parameter stores the response is space filled 8 9 5 Conversion Factor The different attributes for each parameter can be seen in the section on factory settings Since a parameter value can only be transferred as a whole number a conversion factor must be used to transfer decimals Refer to the chapter 7 4 Quick Menu Pa
83. ions 7 1 2 Programming with the LCP 11 or LCP 12 The LCP is divided into 4 functional groups 1 Numeric display 2 Menu key 3 Navigation keys 4 Operation keys and indicator lights LEDs 130BA468 10 1 in 1 GU DG ted J Solis Qui Main 2 M nu MONO Mena nu Menu ea Warn Ram O 9 Illustration 7 1 LCP 12 with Potentiometer es 50 0 Status qui Main Menu Menu J ET Illustration 7 2 LCP 11 without Potentiometer 130BA467 10 The display Different information can be read from the display Set up number shows the active set up and the edit set up If the same set up acts as both active and edit set up only that set up number is shown factory setting When active and edit set up differ both numbers are shown in the display Set up 12 The number flashing indicates the edit set up 130BA465 10 Status Quick Main Menu Menu Illustration 7 3 Indicating Set up The small digits to the left are the selected parameter number 130BA461 10 tes 90 0 Status Quick Main Menu Menu Menu AE Illustration 7 4 Indicating Selected Parameter Number The large digits in the middle of the display show the value of the selected parameter
84. ity VLT Micro Drive FC 51 Design Guide 2 7 9 Without a Frequency Converter Cooling section Heating section Inlet guide vane Fan section N i Supply NES 3 X i M gt V A V ps Sensors outlets PT NS 00 Vo T Return l Return Flow Control Flow Control 3 Port 3 Port valve Valve valve Valve Mechanical X posi posi linkage Bypass tion Bypass tion and vanes L x6 M LN IGV M a e X i ga e Duct b x6 actuator lt gt Loca IA IA IA D D C Mi Starter Starter Starter control ts Control Fuses Fuses UU dU Bo ob didi Temperature contro Ni supply nn supply n Pressure olov d IT pec Power control PEC ii it RE it Factor signal L HH Correction 0 10V Mains Mains Mains D D C Direct Digital Control Energy Management system Variable Air Volume Sensor T Temperature Table 2 6 Abbreviations used in Illustration 2 9 Illustration 2 9 Traditional Fan System MG02K302 Rev 2013 12 03 Safety and Conformity VLT Micro Drive FC 51 Design Guide 2 710 With a Frequency Converter
85. king Time Bit 02 1 leads to ramping Darfi VLT Micro Drive FC 51 Design Guide Bit 03 Coasting Bit 03 0 The frequency converter immediately lets go of the motor the output transistors are shut off and it coasts to a standstill Bit 03 1 The frequency converter starts the motor if the other starting conditions are met Make a selection in 8 50 Coasting Select to define how Bit 03 gates with the corresponding function on a digital input Bit 04 Quick stop Bit 04 0 Makes the motor speed ramp down to stop set in 3 81 Quick Stop Ramp Time Bit 05 Hold output frequency Bit 05 0 The present output frequency in Hz freezes Change the frozen output frequency only with the digital inputs 5 70 Terminal 18 Digital Input to 5 13 Terminal 29 Digital Input programmed to Speed up 21 and Slow down 22 NOTIC If Freeze output is active the frequency converter can only be stopped by the following e Bit 03 Coasting stop Bit 02 DC braking e Digital input 5 70 Terminal 18 Digital Input to 5 13 Terminal 29 Digital Input programmed to DC braking 5 Coasting stop 2 or Reset and coasting stop 3 Bit 06 Ramp stop start Bit 06 0 Causes a stop and makes the motor speed ramp down to stop via the selected ramp down parameter Bit 06 1 Permits the Frequency converter to start the motor if the other starting conditions are met Make a selection in 8 53 Start Select to define how Bit 06 Ramp sto
86. l gain 7 38 Process Feed Forward Factor Range Function Data transfer from LCP to frequency converter 0 0 400 The FF factor sends a part of the reference AWARN IN G signal around the PI controller which then only Stop the motor before performing this operation affects part of the control signal By activating the FF factor less overshoot and 1 Go to 0 50 LCP Copy 2 Press OK 3 Select 2 All from LCP 4 Press OK 7 high dynamics are gained when changing the setpoint This parameter is always active when 1 00 Configuration Mode is set to 3 Process 7 5 Main Menu 7 7 Read out and Programming of Indexed Main Menu is used for programming all parameters The Parameters Main Menu parameters can be accessed immediately unless a password has been created via 0 60 Main Menu Password For most VLT Micro Drive applications it is not necessary to access the Main Menu parameters but instead the Quick Menu provides the simplest and quickest access to the typical required parameters Use chapter 7 4 2 Quick Menu Parameters PI Basic Settings QM2 as an example Press OK for selecting a parameter and use 4 v for maneuvering between the indexed values To change the parameter value select the indexed value The Main Menu accesses all parameters and press OK 1 Press Menu key until indicator in display is placed above Main Menu Change the value using 4 V 2 Use 4 Y to b th
87. lation at high altitude At altitudes above 2 000 m contact Danfoss regarding PELV VLT Micro Drive FC 51 Design Guide 3 4 Earth Leakage Current AWARNING DISCHARGE TIME Touching the electrical parts could be fatal even after the equipment has been disconnected from mains Also make sure that other voltage inputs have been disconnected such as load sharing linkage of DC intermediate circuit as well as the motor connection for kinetic back up Before touching any electrical parts wait at least the amount of time indicated in Table 2 7 Shorter time is allowed only if indicated on the nameplate for the specific unit NOTIC Leakage Current The earth leakage current from the frequency converter exceeds 3 5 mA To ensure that the ground cable has a good mechanical connection to the ground connection the cable cross section must be at least 10 mm Cu or 16 mm Al or 2 rated earth wires terminated separately Residual Current Device protection RCD This product can cause a DC current in the protective conductor Where a residual current device RCD is used for protection in case of direct or indirect contact only an RCD of Type B is allowed on the supply side of this product Otherwise another protective measure shall be applied such as separation from the environment by double or reinforced insulation or isolation from the supply system by a transformer See also Application Note Protection against Electrical Haz
88. ld to a DIY market The end consumer is a layman He installs the frequency converter himself for use with a hobby machine a kitchen appliance etc For such applications the frequency converter must be CE labeled in accordance with the EMC directive 2 The frequency converter is sold for installation in a plant The plant is built up by professionals of the trade It could be a production plant or a heating ventilation plant designed and installed by professionals of the trade Neither the frequency converter nor the finished plant has to be CE labeled under the EMC directive However the unit must comply with the basic EMC requirements of the directive This is ensured by 10 MG02K302 Rev 2013 12 03 Safety and Conformity using components appliances and systems that are CE labeled under the EMC directive 3 The frequency converter is sold as part of a complete system The system is being marketed as complete and could for example be an air conditioning system The complete system must be CE labeled in accordance with the EMC directive The manufacturer can ensure CE labeling under the EMC directive either by using CE labeled components or by testing the EMC of the system If only CE labeled components are chosen the entire system does not have to be tested 2 4 3 Danfoss Frequency Converter and CE Labeling CE labeling is a positive feature when used for its original purpose that is to facilitate trade within the EU
89. levels of airborne particles is dust particles around the frequency converter fan In dusty environments use equipment with enclosure rating IP54 or a cabinet for IP20 TYPE 1 equipment In environments with high temperatures and humidity corrosive gases such as sulphur nitrogen and chlorine compounds causes chemical processes on the frequency converter components Such chemical reactions rapidly affects and damages the electronic components In such environments mount the equipment in a cabinet with fresh air ventilation keeping aggressive gases away from the frequency converter MG02K302 Rev 2013 12 03 11 Safety and Conformity An extra protection in such areas is a coating of the printed circuit boards which can be ordered as an option NOTIC Mounting frequency converters in aggressive environments increases the risk of stoppages and consid erably reduces the life of the frequency converter Before installing the frequency converter check the ambient air for liquids particles and gases This is done by observing existing installations in this environment Typical indicators of harmful airborne liquids are water or oil on metal parts or corrosion of metal parts Excessive dust particle levels are often found on instal lation cabinets and existing electrical installations One indicator of aggressive airborne gases is blackening of copper rails and cable ends on existing installations 2 6 Vibration and Sh
90. mensions 36 MG02K302 Rev 2013 12 03 Selection VLT Micro Drive FC 51 Design Guide 4 2 Special Conditions M2 200 V 2 lout S 4 2 1 Purpose of Derating S 11096 S 100 Take the purpose of derating into account when using the 90 frequency converter at low air pressure heights at low 80 speeds with long motor cables cables with a large cross o section or at high ambient temperature The required 50 action is described in this section 40 40 C 30 4 2 2 Derating for Ambient Temperature pb i 5 sE 0 t f i gt Derating for ambient temperature and IGBT Switching AE M NOMEN M M NL Illustration 4 36 M2 200 V The ambient temperature measured over 24 hours should be at least 5 C lower than the max ambient temperature If the frequency converter is operated at high ambient M2 400 V B temperature the continuous output current should be out z decreased The frequency converter has been designed for d 110 e operation at max 50 C ambient temperature with one 10096 m motor size smaller than nominal Continuous operation at 90 full load at 50 C ambient temperature reduces the life
91. ments eese enne tnntnnnnns 22 Energy SAVINO S ssni E R 12 14 Equalizing cable e eeeereerereeeeres 50 Jic 55 Example of energy savings eene 13 Extreme running conditions ees 24 F FC e foil Tc 79 with Modbus RTU seescssssccssescesssecessecccsnseccssscessssccesusecesneeeeenseessnees 67 Final set up and te St cssessssessssecssessseessssssssessssscssecsssessseesseees 53 Freeze OUTPUE cssscdisscssssinciccssdsconsasassccscacsascsssossatsscsaisccstisseasiecaciaieateuseas 6 Frequency converter hardware SCt UP c csescsssssssscsseessssccsesssssscssessssecsnsecssees 65 converter Set Up isisisi inisi ii as 67 Function Codes sete aa 75 G Galvanic isolation anaE l 23 H Harmonics emission requirements sse 23 High voltage o ctetuer cc DEDI acd D 9 AO o SCES DRA ERR SR dere iet RR neirt 57 Hold output frequency rreeeereeeers 80 Immunity requirements 23 Index IND ertt Recte e IH 69 Indicator lights ttt recited iae 59 MG02K302 Rev 2013 12 03 89 Index Initialise the frequency converter sss 64 Intermediate circuit eerte ttenttenttnntnen 25 IP21 TYPE 1 enclosure kit seen 29 J DOG een 6 80 M Machinery Directive 98 37 EEC sss 10 Main MO bei siso ci
92. mistors in each motor or individual thermal relays O O Q iber Circuit breakers are not suitable as protection APPS 7 ASE E A E pM oe n NO ra J A q H Illustration 6 18 Parallel Connection of Motors MG02K302 Rev 2013 12 03 55 How to Install 6 18 Motor Installation 6 18 1 Motor Insulation For motor cable lengths lt the maximum cable length listed in chapter 9 1 Specifications the following motor insulation ratings are recommended because the peak voltage can be up to twice the DC link voltage 2 8 times the mains voltage due to transmission line effects in the motor cable If a motor has lower insulation rating it recommended to use a dU dt or sine wave filter Motor Insulation Nominal Mains Voltage Un lt 420 V 420 V lt Un lt 500 V 500 V lt Un lt 600 V 600 V lt Un lt 690 V Table 6 8 Motor Insulation Ratings 6 19 Installation of Misc Connections 6 19 1 RS 485 Bus Connection One or more frequency converters can be connected to a control or master using the RS 485 standardised interface Terminal 68 is connected to the P signal TX RX while terminal 69 is connected to the N signal TX RX If more than one frequency converter is connected to a master use parallel connections
93. mperature during full scale operation 0 C Derating for high altitude see chapter 4 2 Special Conditions Safety standards EN IEC 61800 5 1 UL 508C See chapter 4 2 Special Conditions 88 MG02K302 Rev 2013 12 03 Index Index A ABDDrOVIaAtiOnSiiis cccsescsscssssscscctscsscsestisiscatiaseneesssasaasosccdsviecebvaresncastracedtncaoes 5 Active et Up oe E ERREUR SEHR ee eee 58 Aggressive environments Air humidity et eade eundi Aluminium conductorS sssssssssssssssesssesessssssseressseeeressssserressssssre 47 Ambient temperature u ccccsssscssssscssssecsssscessseeccsneecssseesssneeeees 88 Analog inputs ttttnntttnnttttnnntttnnnctn 6 7 87 Automatic adaptations to ensure performance sse 38 Motor Tuning AMT sescssescsseccsescsscccssccssecesseessscesssenseecneeese 54 60 B Better control eese iaa 15 Break away tOrque escccsscssssssccsessessssscsssseccsseesssnsecssuceessueecssneeeesneees 6 Building Management System BMS sss 13 Bus termination ri rereeeereeerecertneea 53 C Cable drin 50 length and cross section eeeeteeentetnen 47 lengths and cross sections esten 86 CE conformity and labeling ss 10 Clearance eeu EEUU ARR ERU NER erteilen 43 COASTING nerais iter epi eben bises 81 6 80 Comparison of energy savings sees 13 Connect a PC to the frequen
94. n e Incorrect slip compensation setting 1 62 Slip Compensation may cause higher DC link voltage The control unit may attempt to correct the ramp if possible 2 17 Over voltage Control The inverter turns off to protect the transistors and the intermediate circuit capacitors when a certain voltage level is reached Mains drop out During a mains drop out the frequency converter keeps running until the intermediate circuit voltage drops below the minimum stop level which is typically 1596 below the frequency converter s lowest rated supply voltage The mains voltage before the drop out and the motor load determines how long it takes for the frequency converter to coast 3 5 1 Motor Thermal Protection Motor thermal protection can be provided in 2 ways One method uses a motor thermistor via one of the following e Thermistor input on a standard AI e Sensor input MCB 114 PTC Thermistor input MCB 112 The frequency converter monitors motor temperature as the speed and load vary to detect overheating conditions The other method calculates motor temperature by measuring current frequency and operating time The converter displays the thermal load on the motor in percentage and can issue a warning at a programmable overload setpoint Programmable options at the overload allow the frequency converter to stop the motor reduce output or ignore the condition Even at low speeds the frequency converter meets I2t Class 20 el
95. nalog Input Voltage or 53 3 15 6 1 Reference Current 55 Terminal 55 Common Analog Ground Do Common Common 60 Terminal 60 Current Input 3 16 6 2 Reference Table 6 3 Terminal Connections Very long control cables and analog signals may in rare 6 14 Control Terminals cases and depending on installation result in 50 60 Hz ground loops due to noise from mains supply cables 6 14 1 Access to Control Terminals If this occurs break the screen or insert a 100 nF capacitor All control cable terminals are located underneath the between screen and chassis terminal cover in front of the frequency converter Remove the terminal cover using a screwdriver NOTIC The common of digital analog inputs and outputs should be connected to separate common terminals 20 39 and 55 This avoids ground current interference among groups For example it avoids switching on digital inputs disturbing analog inputs NOTIC Control cables must be screened armoured Illustration 6 13 Removing Terminal Cover NOTIC See back of terminal cover for outlines of control terminals and switches 52 MG02K302 Rev 2013 12 03 How to Install 6 14 2 Connecting to Control Terminals Illustration 6 14 shows all control terminals of the frequency converter Applying Start terminal 18 and an analog reference terminals 53 or 60 make the frequency converter run
96. nt Duty Cycle An intermittent duty rating refers to a sequence of duty cycles Each cycle consists of an on load and an off load period The operation can be either periodic duty or none periodic duty LCP The Local Control Panel makes up a complete interface for control and programming of the frequency converter The control panel is detachable and can be installed up to 3 m from the frequency converter that is in a front panel with the installation kit option Isb Least significant bit Dont VLT Micro Drive FC 51 Design Guide MCM Short for Mille Circular Mil an American measuring unit for cable cross section 1 MCM 0 5067 mm2 msb Most significant bit On line Off line Parameters Changes to on line parameters are activated immediately after the data value is changed Changes to off line parameters are not activated until pressing OK PI Controller The PI controller maintains the desired speed pressure temperature etc by adjusting the output frequency to match the varying load RCD Residual Current Device Set up Save parameter settings in 2 set ups Change between the 2 parameter set ups and edit one set up while another set up is active Slip Compensation The frequency converter compensates for the motor slip by giving the frequency a supplement that follows the measured motor load keeping the motor speed almost constant Smart Logic Control SLC The SLC is a sequence of user defined ac
97. ntents of the entire message It is applied regardless of any parity check method used for the individual characters of the message The CRC value is calculated by the transmitting device which appends the CRC as the last field in the message The receiving device recalculates a CRC during receipt of the message and compares the calculated value to the actual value received in the CRC field If the 2 values are unequal a bus time out results The error checking field contains a 16 bit binary value implemented as 2 8 bit bytes When this is done the low order byte of the field is appended first followed by the high order byte The CRC high order byte is the last byte sent in the message 8 8 8 Coil Register Addressing In Modbus all data are organised in coils and holding registers Coils hold a single bit whereas holding registers hold a 2 byte word that is 16 bits All data addresses in Modbus messages are referenced to zero The first occurrence of a data item is addressed as item number zero For example The coil known as coil 1 in a programmable controller is addressed as coil 0000 in the data address field of a Modbus message Coil 127 decimal is addressed as coil 007Ehex 126 decimal Holding register 40001 is addressed as register 0000 in the data address field of the message The function code field already specifies a holding register operation Therefore the AXXXX reference is implicit Holding register 40108 is
98. o Illustration 8 1 1 Connect signal wires to terminal 68 P and terminal 69 N on the main control board of the The factory setting for the dip switch is OFF frequency converter 2 Connect the cable screen to the cable clamps MG02K302 Rev 2013 12 03 65 RS 485 Installation and Set 8 1 4 EMC Precautions The following EMC precautions are recommended in order to achieve interference free operation of the RS 485 network Relevant national and local regulations for example regarding protective earth connection must be observed Keep the RS 485 communication cable away from motor and brake resistor cables to avoid coupling of high frequency noise from one cable to another Normally a distance of 200 mm 8 inches is sufficient but keeping the greatest possible distance between the cables is generally recommended especially where cables run in parallel over long distances When crossing is unavoidable the RS 485 cable must cross motor and brake resistor cables at an angle of 90 e zl A 9 ca eo q a Brea Xe O 660 E a m o 2 O S m uL Min 200mm ter ter L Uull S 9 DA 90 crossing Brake resistor Illustration 8 3 EMC Pr
99. ock The frequency converter has been tested according to the procedure based on the shown standards Table 2 3 Vibration and shock The frequency converter complies with requirements that exist for units mounted on the walls and floors of production premises as well as in panels bolted to walls or floors IEC EN 60068 2 64 IEC EN 60068 2 6 Vibration sinusoidal 1970 Vibration broad band random Table 2 3 Standards 2 7 Advantages 2 7 1 Why use a Frequency Converter for Controlling Fans and Pumps A frequency converter takes advantage of the fact that centrifugal fans and pumps follow the laws of propor tionality for such fans and pumps For further information see chapter 2 7 3 Example of Energy Savings Darfi VLT Micro Drive FC 51 Design Guide 2 7 2 The Clear Advantage Energy Savings The clear advantage of using a frequency converter for controlling the speed of fans or pumps lies in the electricity savings When comparing with alternative control systems and technologies a frequency converter is the optimum energy control system for controlling fan and pump systems 120 L SYSTEM CURVE 100 a PS LI LN PA O 0 20 40 60 80 100 120 140 160 180 VOLUME 130BA780 10 L FAN CURVE PRESSURE Illustration 2 1 Fan Curves A B and C for Reduced Fan Volumes 120 _ SYSTEM CURVE 100 130BA781 10
100. on Reference resource 1 2 3 NA 200 Analog reference 1 min max ref 9 Process 200 yq 100 control r Local bus reference f 4200 96 Freeze LCP potmeter 0 100 96 reference yi increase ral decrease ference QU FN rel Scale to VM d L process NA di unit e l o Input commands 200 Speed up speed down Extern resource 2 f 200 No function e d NO Feedback Analog reference amp handling 200 j Local bus reference i RI 200 96 l LCP potmeter 0 100 External reference in Remote reference in Extern resource 3 No function e Analog reference 200 96 Local bus reference 200 96 LCP potmeter 0 100 96 Illustration 3 4 Block Diagram Showing Remote Reference The remote reference is comprised of e Preset references External references analog inputs and serial communication bus references The preset relative reference e Feedback controlled setpoint Up to 8 preset references can be programmed in the frequency converter The active preset reference can be selected using digital inputs or the serial communications bus The reference can also be supplied externally most commonly from an analog input This external source is selected by one of the 3 Reference Source parameters 3 15 Reference 1 Source 3 16 Reference 2 Source and 3 17 Reference 3 Source All reference resources and the bus reference are added to produce the total external reference The external reference the pre
101. on is only possible when Multi Set Ups 9 is selected in 0 10 Active Set up Make a selection in 8 55 Set up Select to define how Bit 13 gates with the corresponding function on the digital inputs Bit 15 Reverse Bit 15 0 No reversing Bit 15 1 Reversing In the default setting reversing is set to digital in 8 54 Reversing Select Bit 15 causes reversing only when Ser communication Logic or Logic and is selected 8 11 2 Status Word According to FC Profile STW 8 30 Protocol FC profile Follower master STW Output freq 130BA273 11 Bit no 1514131211109876543210 Illustration 8 15 Status Word VLT Micro Drive FC 51 Design Guide Bit Bit 0 Bit 1 00 Control not ready Control ready Drive not ready Drive ready 03 os qeme o 06 07 E E o i E E 14 Torque OK Torque exceeded 15 Timer OK Timer exceeded Table 8 38 Status Word According to FC Profile Explanation of the status bits Bit 00 Control not ready ready Bit 00 0 The frequency converter trips Bit 00 1 The frequency converter controls are ready but the power component does not necessarily receive any power supply in case of external 24 V supply to controls Bit 01 Drive ready Bit 01 0 The frequency converter is not ready Bit 01 1 The frequency converter is ready for operation but the coasting command is active via the digital inputs or via serial communication Bit 02 Coasting sto
102. ontroller is used 8 3 Network Configuration 8 3 1 Frequency Converter Set up Set the following parameters to enable the FC protocol for the frequency converter Parameter Setting 8 31 Address 1 126 8 32 Baud Rate 2400 115200 8 33 Parity Stop Bits Even parity 1 stop bit default Table 8 3 Network Configuration Parameters Darfi VLT Micro Drive FC 51 Design Guide 8 4 FC Protocol Message Framing Structure 8 4 1 Content of a Character byte Each character transferred begins with a start bit Then 8 data bits are transferred corresponding to a byte Each character is secured via a parity bit This bit is set at 1 when it reaches parity Parity is when there is an equal number of 1s in the 8 data bits and the parity bit in total A stop bit completes a character thus consisting of 11 bits in all eo S Start 0 1 2 3 4 5 6 7 Even Stop 2 bit Parity bit a Illustration 8 4 Content of a Character 8 4 2 Telegram Structure Each telegram has the following structure 1 Start character STX 02 hex 2 A byte denoting the telegram length LGE 3 A byte denoting the frequency converter address ADR A number of data bytes variable depending on the type of telegram follows A data control byte BCC completes the telegram STX LGE ADR DATA BCC 195NA099 10 Illustration 8 5 Telegram Structure 8 4 3 Telegram Length LGE The
103. onverter solution reduces energy consumption with more than 50 and is easy to install MG02K302 Rev 2013 12 03 13 Safety and Conformity VLT Micro Drive FC 51 Design Guide 2 7 5 Example with Varying Flow over 1 mwg 4 Hs Year al S ra This example is calculated based on pump characteristics 50 4 obtained from a pump datasheet The result obtained shows energy savings in excess of 50 407 at the given flow distribution over a year The pay back 38 3 period depends on the price per kWh and price of rpm frequency converter In this example it is less than a year 20 4 when compared with valves and constant speed 10 j Energy savings zm 7 Pshaft Pshaft output 0 190 200 300 400 m h h jP 8 kw Pshaft 20004 5 60 4 15004 5 PA 40 1650rpm 10004 30 4 5004 20 4 Lae eee T ae T q 100 200 500 400 m3 h 107 E CUN e Illustration 2 6 Flow Distribution over 1 Year 750rpm T T T T i 0 100 200 300 400 m 3 h Illustration 2 7 Energy m3 Distri Valve regulation Frequency converter h bution control Consump Consump tion tion LL pss em scm tm Feo smo zs sse Table 2 5 Result 14 MG02K302 Rev 2013 12 03 Darfi Safety and Conformity VLT Micro Drive FC 51 Design Guide 2 7 6 Better Control If a frequency converter is used for controlling the flow or pressure of a system improved cont
104. p Bit 02 0 The frequency converter releases the motor Bit 02 1 The frequency converter starts the motor with a start command Bit 03 No error trip Bit 03 0 The frequency converter is not in fault mode Bit 03 1 The frequency converter trips To re establish operation press Reset Bit 04 No error error no trip Bit 04 0 The frequency converter is not in fault mode Bit 04 1 The frequency converter shows an error but does not trip Bit 05 Not used Bit 05 is not used in the status word Bit 06 No error triplock Bit 06 0 The frequency converter is not in fault mode Bit 06 1 The frequency converter is tripped and locked Bit 07 No warning warning Bit 07 0 There are no warnings Bit 07 1 A warning has occurred MG02K302 Rev 2013 12 03 81 RS 485 Installation and Set Bit 08 Speed reference speed reference Bit 08 0 The motor is running but the present speed is different from the preset speed reference It might for example be the case when the speed ramps up down during start stop Bit 08 1 The motor speed matches the preset speed reference Bit 09 Local operation bus control Bit 09 0 Off Reset is activate on the control unit or Local control in 3 13 Reference Site is selected It is not possible to control the frequency converter via serial communication Bit 09 1 It is possible to control the frequency converter via the fieldbus serial communication
105. p start gates with the corresponding function on a digital input Bit 07 Reset Bit 07 0 No reset Bit 07 1 Resets a trip Reset is activated on the signal s leading edge i e when changing from logic O to logic 1 Bit 08 Jog Bit 08 1 The output frequency is determined by 3 11 Jog Speed Hz Bit 09 Selection of ramp 1 2 Bit 09 0 Ramp 1 is active 3 47 Ramp 1 Ramp Up Time to 3 42 Ramp 1 Ramp Down Time Bit 09z 1 Ramp 2 3 57 Ramp 2 Ramp Up Time to 3 52 Ramp 2 Ramp Down Time is active Bit 10 Data not valid Data valid Tell the frequency converter whether to use or ignore the control word 80 MG02K302 Rev 2013 12 03 RS 485 Installation and Set Bit 10 0 The control word is ignored Bit 10 1 The control word is used This function is relevant because the telegram always contains the control word regardless of the telegram type Turn off the control word if not wanting to use it when updating or reading parameters Bit 11 Relay 01 Bit 11 0 Relay not activated Bit 11 1 Relay 01 activated provided that Control word bit 11 36 is selected in 5 40 Function Relay Bit 12 Relay 02 Bit 12 0 Relay 02 is not activated Bit 12 1 Relay 02 is activated provided that Control word bit 12237 is selected in 5 40 Function Relay Bit 13 Selection of set up Use bit 13 to select from the 2 menu set ups according to Table 8 37 Table 8 37 Set up Selection The functi
106. pend on the environment where they are installed The requirements for the industrial environment are higher than the requirements for the home and office environment All Danfoss frequency converters comply with the requirements for the industrial environment and consequently comply also with the lower requirements for home and office environment with a large safety margin Drive type Conducted emission Maximum shielded cable length m Radiated emission Housing trades and 7 Industrial environment 1 d Industrial environment light industries EN 55011 Class A1 EN 55011 Class A1 Without With Without With Without With Without With Without With external external external external external external external external external external filter filter filter filter filter filter filter filter filter lt 2 2 kW Single phase 230 V 7 5 kW Up to 500 V AC 3 phase 11 kW to 22 kW Up to 500 V AC 3 phase 3 3 Galvanic Isolation PELV 3 3 1 PELV Protective Extra Low Voltage PELV offers protection by way of extra low voltage Protection against electric shock is ensured when the electrical supply is of the PELV type and the installation is made as described in local national regulations on PELV supplies All control terminals and relay terminals 01 03 04 06 comply with PELV Protective Extra Low Voltage Does not apply to grounded Delta leg above 440 V Galvanic ensured isolation is obtained by fulfilling requirements for h
107. perature Copper conductors required 60 75 C recommended Power kW Torque Nm Mi E me mosofas us e os a os w eso faa oa us os a 595 Spade connectors 6 3 mm Faston plugs Table 6 1 Tightening of Terminals 44 MG02K302 Rev 2013 12 03 How to Install VLT Micro Drive FC 51 Design Guide 6 6 Fuses Overcurrent protection Provide overload protection to avoid overheating of the Branch circuit protection cables in the installation Overcurrent protection must To protect the installation against electrical and fire hazard always be carried out according to national regulations all branch circuits in an installation switch gear machines Fuses must be designed for protection in a circuit capable etc must be short circuited and overcurrent protected of supplying a maximum of 100 000 Arms symmetrical according to national international regulations 480 V maximum Short circuit protection Non UL compliance Danfoss recommends using the fuses mentioned in the If UL cUL is not to be complied with Danfoss recommends following tables to protect service personnel or other using the fuses mentioned in Table 6 2 which ensures equipment in case of an internal failure in the unit or compliance with EN50178 IEC61800 5 1 short circuit on DC link The frequency converter provides In case of malfunction not following the fuse recommen full short circuit protection in case of a short circuit on the dation m
108. plan should be 1000 V or rated current equal to or made above 400 A or intended for use in complex systems Table 3 1 Correlation between IEC 61800 3 and EN 55011 22 When the generic conducted emission standards are used the frequency converters are required to comply with the limits in Table 3 2 Environment First environment home and office Second environment industrial environment Generic emission standard EN IEC 61000 6 3 Emission standard for residential commercial and light industrial environments EN IEC 61000 6 4 Emission standard for industrial environments Equivalent emission class in EN 55011 Class A Group 1 Table 3 2 Correlation between Generic Emission Standards and EN 55011 MG02K302 Rev 2013 12 03 Product Overview 3 2 2 EMC Test Results Emission VLT Micro Drive FC 51 Design Guide Table 3 3 EMC Test Result 3 2 3 Harmonics Emission Requirements Equipment connected to the public supply network AWARNING Cannot comply only with power option Options Definition 1 IEC EN 61000 3 2 Class A for 3 phase balanced equipment for professional equipment only up to 1 kW total power 2 IEC EN 61000 3 12 Equipment 16 A 75 A and profes sional equipment as from 1 kW up to 16 A phase current Table 3 4 Harmonics Emission Requirements 3 2 4 Immunity Requirements The immunity requirements for frequency converters de
109. r initiate a broadcast message to all followers Followers return a response to queries that are addressed to them individually No responses are returned to broadcast queries from the master The Modbus RTU protocol establishes the format for the master s query by providing the device or broadcast address a function code defining the requested action any data to be sent and an error checking field The follower s response message is also constructed using Modbus protocol It contains fields confirming the action taken any data to be returned and an error checking field If an error occurs in receipt of the message or if the follower is unable to perform the MG02K302 Rev 2013 12 03 71 RS 485 Installation and Set requested action the follower constructs an error message and send it in response or a time out occurs 8 6 4 Frequency Converter with Modbus RTU The frequency converter communicates in Modbus RTU format over the built in RS 485 interface Modbus RTU provides access to the control word and bus reference of the frequency converter The control word allows the modbus master to control several important functions of the frequency converter e Start e Stop of the frequency converter in various ways Coast stop Quick stop DC Brake stop Normal ramp stop e Reset after a fault trip e Run at a variety of preset speeds e Run in reverse e Change the active set up e Control the frequency
110. rameters 8 9 6 Parameter Values Standard data types Standard data types are int 16 int 32 uint 8 uint 16 and uint 32 They are stored as 4x registers 40001 4FFFF The parameters are read using function 03hex Read Holding Registers Parameters are written using the function 6hex Preset Single Register for 1 register 16 bits and the function 10 hex Preset Multiple Registers for 2 registers 32 bits Readable sizes range from 1 register 16 bits up to 10 registers 20 characters 76 MG02K302 Rev 2013 12 03 RS 485 Installation and Set VLT Micro Drive FC 51 Design Guide Non standard data types Non standard data types are text strings and are stored as 4x registers 40001 4FFFF The parameters are read using function 03hex Read Holding Registers and written using function 10hex Preset Multiple Registers Readable sizes range from 1 register 2 characters up to 10 registers 20 characters 8 10 Examples The following examples illustrate various Modbus RTU commands If an error occurs refer to chapter 8 8 11 Modbus Exception Codes 8 10 1 Read Coil Status 01 hex Description This function reads the ON OFF status of discrete outputs coils in the frequency converter Broadcast is never supported for reads Query The query message specifies the starting coil and quantity of coils to be read Coil addresses start at zero that is coil 33 is addressed as 32 Example of a request to re
111. re the conductor is connected Furthermore the terminal screw must be retightened after 2 days due to the softness of the aluminium It is crucial to keep the connection a gas tight joint otherwise the aluminium surface oxidises again 6 8 4 EMC Correct Electrical Installation General points to be observed to ensure EMC correct electrical installation e Use only screened armoured motor cables and screened armoured control cables e Connect the screen to earth at both ends e Avoid installation with twisted screen ends pigtails since this ruins the screening effect at high frequencies Use the cable clamps provided instead e It is important to ensure good electrical contact from the installation plate through the installation screws to the metal cabinet of the frequency converter e Use starwashers and galvanically conductive installation plates e Do not use unscreened unarmoured motor cables in the installation cabinets MG02K302 Rev 2013 12 03 47 How to Install VLT Micro Drive FC 51 Design Guide 130BB965 10 PLC etc Panel o e Q L i
112. rfaces in this document and strictly observes all requirements and limitations stipulated in the controller and frequency converter 8 6 2 What the User Should Already Know The built in Modbus RTU Remote Terminal Unit is designed to communicate with any controller that supports the interfaces defined in this document It is assumed that the user has full knowledge of the capabilities and limitations of the controller 8 6 3 Modbus RTU Overview Regardless of the type of physical communication networks the Modbus RTU Overview describes the process a controller uses to request access to another device This process includes how the Modbus RTU responds to requests from another device and how errors are detected and reported It also establishes a common format for the layout and contents of message fields During communications over a Modbus RTU network the protocol determines e How each controller learns its device address Recognises a message addressed to it e Determines which actions to take e Extracts any data or other information contained in the message If a reply is required the controller constructs the reply message and sends it Controllers communicate using a master follower technique in which only the master can initiate transactions called queries Followers respond by supplying the requested data to the master or by taking the action requested in the query The master can address individual followers o
113. ries sese tennttenttnnnn 26 Order how tO cccssssssssssssssssecssscssssssnecssssssssccssscessecsnscessccsssccssecssessees 39 Output performance U V W seseeereen tenentes 86 Overcurrent protection essere enttnntnnen 45 P Parallel connection of motors serene 55 Parameter Pay back period tie ett erectis 14 PCsoftware tools tee s ren OMA RO iade 56 PELV Protective Extra Low Voltage 23 juae RR 50 Power Circuit OVEFVICW cccccsssesssssssssessecsssscesscsesscsecessecssscsesesseessseeseseeaes 5 facto ciet une I uu I AUI LI CADCM TTE 8 Protection PROTECTION eiii erect terc ones ori eia ees 11 23 24 45 and features eret trt orbes Tote ie rod ieri baee 86 Protocol OVEFVICW ccccscssesssesssessesssesssesseessesssessssssesssesseesseessessseeseease 66 Public supply network erre 23 Q Quick M l en beetle ee PH SER EUR astra Tee eR AREE RIS Menu parameters transfer of parameter settings between multiple frequency converters 63 R Ramp1 Ramp down TiMe ssssccssssscsssecssssecccssecessseeccsseceesueecessceecsneesenetenses 61 RAMP UP Titrie retener tte etes tette 61 Rated motor SPeed cccescsssssscsssesssscsssesssscsssessssecsssssseccssssesscesseesses 6 adv 7 24 Read holding registers 03 hex ss 78 Read out and programming of indexed parameters
114. rogramming Guide NOTIC The frequency converter can also be programmed from a PC via RS 485 com port by installing the MCT 10 Set up Software This software can either be ordered using code number 130B1000 or downloaded from the DanfossWeb site www danfoss com BusinessAreas DrivesSolutions software download Value Setup mu Numeric ee number T Setup 1 displa parei tea OU DL um arameter 4 D i He Unit number Status Quick Motor Mani Menu Menu H Selected direction DA CA menu Menu g C k Navigation ey em OK keys Warn E Indicator L Cw lights Alam A Potentiometer o LCP 12 130BA605 12 Operation keys and leds Illustration 4 1 Description of LCP Keys and Display Press Menu to select one of the following menus Status For readouts only Quick Menu For access to Quick Menus 1 and 2 Main Menu For access to all parameters VLT Micro Drive FC 51 Design Guide Navigation Keys Back For moving to the previous step or layer in the navigation structure 4 Y For maneuvering between parameter groups parameters and within parameters OK For selecting a parameter and for accepting changes to parameter settings Operation Keys A yellow light above the operation keys indicates the active key Hand On Starts the motor and enables control of the frequency converter via the LCP Off Reset
115. rol is obtained A frequency converter can vary the speed of the fan or pump obtaining variable control of flow and pressure Furthermore a frequency converter can quickly adapt the speed of the fan or pump to new flow or pressure conditions in the system Simple control of process Flow Level or Pressure utilising the built in PI control 2 7 7 Star Delta Starter or Soft starter not Required When larger motors are started it is necessary in many countries to use equipment that limits the start up current In more traditional systems a star delta starter or soft starter is widely used Such motor starters are not required if a frequency converter is used As illustrated in Illustration 2 8 a frequency converter does not consume more than rated current 800 2 N N N 700 x T wn N 600 500 400 300 Full load current 200 100 lt 0 12 5 25 37 5 50Hz Full load amp speed 1 VLT Micro Drive Star delta starter Soft starter Start directly on mains Illustration 2 8 Current 2 7 8 Using a Frequency Converter Saves Money Example chapter 2 7 9 Without a Frequency Converter shows 2 that a lot of equipment is not required when a frequency converter is used It is possible to calculate the cost of installing the 2 different systems In the example the 2 systems can be established at roughly the same price MG02K302 Rev 2013 12 03 15 Safety and Conform
116. rts running AMT NOTIC To gain optimum tuning of the frequency converter run AMT on a cold motor 3 02 Minimum Reference Range Function 0 00 4999 4999 Enter value for minimum reference The sum of all internal and external references are clamped limited to the minimum reference value 3 02 Minimum Reference 60 MG02K302 Rev 2013 12 03 Programming 3 03 Maximum Reference Range Function Maximum Reference is adjustable in the range Minimum Reference 4999 50 00 4999 4999 Enter value for Maximum Reference The sum of all internal and external references are clamped limited to the maximum reference value 3 03 Maximum Reference 3 41 Ramp1 Ramp up Time Range Function Size 0 05 3600 00 s Enter ramp up time from 0 Hz to related rated motor frequency fmn set in 1 23 Motor Frequency Select a ramp up time ensuring that torque limit is not exceeded see 4 16 Torque Limit in Motor Mode 3 42 Ramp1 Ramp down Time Range Function Size 0 05 3600 00 related s Enter ramp down time from rated motor frequency fmn in 1 23 Motor Frequency to 0 Hz Select a ramp down time that does not cause overvoltage in the inverter due to regenerative operation of motor Furthermore regenerative torque must not exceed limit set in 4 17 Torque Limit in Generator Mode 7 4 2 Quick Menu Parameters PI Basic Settings QM2 The following is a brief description of the par
117. s The conductibility of the screen material e The contact resistance between the individual screen conductors e The screen coverage that is the physical area of the cable covered by the screen often stated as a percentage value e Screen type that is braided or twisted pattern a Aluminium clad with copper wire b Twisted copper wire or armoured steel wire cable c Single layer braided copper wire with varying percentage screen coverage This is the typical Danfoss reference cable d Double layer braided copper wire e Twin layer of braided copper wire with a magnetic screened armoured intermediate layer f Cable that runs in copper tube or steel tube g Lead cable with 1 1 mm wall thickness VLT Micro Drive FC 51 Design Guide Transfer impedance Z t a mOhm m 10 su b 10 LF The lower the Z the better the cable screening performance Illustration 6 10 Transfer Impedance of Different Wires MG02K302 Rev 2013 12 03 175Z2A166 13 49 How to Install 6 10 Earthing of Screened Armoured Control Cables Control cables should be braided screened armoured and the screen must be connected with a cable clamp at both ends to the metal cabinet of the unit Illustration 6 11 shows correct earthing examples PLC etc 7 E A 7 D NPWS v dis yy IS 7 2 PLC etc
118. s Example hex 000088B8 35 000 35 Hz Field Name Example hex Follower Address Function Byte Count Data HI Register 3030 Data LO Register 3030 Data HI Register 3031 Data LO Register 3031 Error Check CRC Table 8 28 Response 8 10 5 Preset Single Register 06 hex Description This function presets a value into a single holding register Query The query message specifies the register reference to be preset Register addresses start at zero that is register 1 is addressed as 0 Example Write to 1 00 Configuration Mode register 1000 Field Name Example hex Follower Address 01 Function 06 Register Address HI 03 Register address 999 Register Address LO E7 Register address 999 Preset Data HI 00 Preset Data LO 01 Error Check CRC Table 8 29 Query 78 MG02K302 Rev 2013 12 03 Darfi RS 485 Installation and Set VLT Micro Drive FC 51 Design Guide Response The normal response is an echo of the query returned after the register contents have been passed Field Name Example hex Follower Address Function Register Address HI Register Address LO Preset Data HI Preset Data LO Error Check CRC Table 8 30 Response 8 10 6 Preset Multiple Registers 10 hex Description This function presets values into a sequence of holding registers Query The query message specifies the register references to be preset Register addresses start at
119. s A S All rights reserved 132R0059 MG02K302 WA A iio M G 8 2 K 3 8 2
120. s for improvement are welcome Table 1 1 shows the document version and the corresponding software version Edition Remarks Software Version MGO2K3XX Replaces MGO2K2XX Table 1 1 Document and Software Version MG02K302 Rev 2013 12 03 VLT Micro Drive FC 51 Design Guide 1 3 Abbreviations C Degrees Celsius A ac AWG oc E 5 Hz Hertz linv luim IVLTN The rated output current supplied by the mA s ms E Nm 2 s Second Tum Torque limit Um Nominal motor voltage v Table 1 2 Abbreviations Introduction 1 4 Definitions 1 4 1 Frequency Converter IvLT MAX The maximum output current lvLTN The rated output current supplied by the frequency converter Uvit MAX The maximum output voltage 1 4 2 Input Control command The connected motor can be started and stopped with LCP and the digital inputs Functions are divided into 2 groups Functions in group 1 have higher priority than functions in group 2 Reset Coasting stop Reset and Coasting stop Quick stop DC braking Stop and the Off key Group 2 Start Pulse start Reversing Start reversing Jog and Freeze output Group 1 Table 1 3 Function Groups 1 4 3 Motor fioc The motor frequency when the jog function is activated via digital terminals fm The motor frequency fmax The maximum motor frequency fmin The minimum motor frequency fmn The rated motor frequency nameplate data
121. set reference or the sum of the 2 can be selected to be the active reference Finally this reference can by be scaled using 3 14 Preset Relative Reference 20 MG02K302 Rev 2013 12 03 Darfi Product Overview VLT Micro Drive FC 51 Design Guide The scaled reference is calculated as follows E Y Reference X X x xag Where X is the external reference the preset reference or the sum of these and Y is 3 14 Preset Relative Reference in 96 If Y 3 14 Preset Relative Reference is set to 096 the reference is not affected by the scaling 3 2 General Aspects of EMC Electrical interference is usually conducted at frequencies in the range 150 kHz to 30 MHz Airborne interference from the frequency converter system in the range 30 MHz to 1 GHz is generated from the inverter motor cable and the motor As shown in Illustration 3 5 capacitance in the motor cable coupled with a high dU dt from the motor voltage generate leakage currents The use of a screened motor cable increases the leakage current see Illustration 3 5 because screened cables have higher capacitance to ground than unscreened cables If the leakage current is not filtered it causes greater interference on the mains in the radio frequency range below approximately 5 MHz Since the leakage current lh is carried back to the unit through the screen l3 there is in principle only a small electro magnetic field l4 from the screened motor cable according to Illustration
122. st be set according to Switch 4 position 6 16 Final Set Up and Test To test the set up and ensure that the frequency converter is running follow these steps Step 1 Locate the motor name plate The motor is either star Y or delta connected A This information is located on the motor name plate data Step 2 Enter the motor name plate data in this parameter list To access this list first press the Quick Menu key then select Q2 Quick Setup 1 Motor Power kW or Motor Power HP 1 20 Motor Power kW 1 21 Motor Power HP Motor Voltage 1 22 Motor Voltage Motor Frequency 1 23 Motor Frequency 2 3 5 1 25 Motor Nominal Motor Nominal Speed Speed Table 6 4 Parameters for Quick Setup MG02K302 Rev 2013 12 03 53 How to Install 130BT307 10 BAUER D 7 3734 ESLINGEN 3 MOTOR NR 1827421 2003 S E005A9 15 KW n231 5 min 400 Y V m 1400 min 50 Hz COS 0 0 80 3 6 A 17L B IP 65 H1 1A Illustration 6 17 Motor Name Plate Example Step 3 Activate the Automatic Motor Tuning AMT Performing an AMT ensures optimum performance The AMT measures the values from the motor model equivalent diagram 1 Connect terminal 27 to terminal 12 or set 5 12 Terminal 27 Digital Input to 0 No function 2 Activate the AMT 1 29 Automatic Motor Adaptation AMA 3 Select between complete or reduced AMT If an LC filter is mounted run only the reduced AMT or r
123. t by 1 per 100 m altitude above 1 000 di m or reduce the max ambient temperature by 1 C per Illustration 4 39 M3 400 V 200 m 4 2 4 Automatic Adaptations to Ensure M4 400 V o Performance Iout x o 11096 ES The frequency converter constantly checks for critical levels 10096 2 of internal temperature load current high voltage on the 9096 um d intermediate circuit and low motor speeds As a response 0 70 to a critical level the frequency converter can adjust the 60 switching frequency and or change the switching pattern 50 to ensure the performance of the frequency converter The om capability for automatic output current reduction extends e 40 C the acceptable operating conditions even further ion 45 C j 50 C f S 3 a G s 4 UE AX debis 4 2 5 Derating for Running at Low Speed Illustration 4 40 M4 200 V When a motor is connected to a frequency converter it is necessary to check that the cooling of the motor is adequate The level of heating depends on the load on the g M5 400 V e motor as well as the operating speed and time lout i S 11096 E Constant torque applications CT mode m be z A problem may occur at low RPM values in constant H N torque applications In a constant torque application a 70 motor may over heat at low speeds due to less cooling air 60 from the motor integral fan 50 4096 30 Therefore if the motor is to be run continuously at an RPM 2096 pa value lower than half of
124. ta r a EE 50 ITO ae Output con S0000500055 tactor etc plc med A Po i X Earthing rail Ec Cable insula eas sa 9 2 aia a eia tion stripped LT ne J UU JUS o E Lj A Q Q Min 16 mm Equalizing cable NU All cable entries in Control cables one side of panel gt Motor cable Min 200mm between control N Mains supply cable mains cable T and between mains L1 motor cable L2 L3 PE Motor 3 phases and Reinforced protective earth p Protective earth Illustration 6 9 EMC correct Electrical Installation NOTIC For North America use metal conduits instead of shielded cables 48 MG02K302 Rev 2013 12 03 How to Install 6 9 Use of EMC Correct Cables Danfoss recommends braided screened armoured cables to optimise EMC immunity of the control cables and the EMC emission from the motor cables The ability of a cable to reduce the in and outgoing radiation of electric noise depends on the transfer impedance Zr The screen of a cable is normally designed to reduce the transfer of electric noise however a screen with a lower transfer impedance Zr value is more effective than a screen with a higher transfer impedance Z1 Transfer impedance Z1 is rarely stated by cable manufac turers but it is often possible to estimate transfer impedance Zt by assessing the physical design of the cable Transfer impedance Z1 can be assessed on the basis of the following factor
125. te ror elc testet eoa ba 26 59 63 Mains BARRADA RISO DAR RENAS DSR EMI QE 25 8 83 ESPN URSOS M RIDER ON aos 86 OE EE 83 ERETI AEE EE PNG 83 PEREAT E E AIA 84 EIEE EREE EIEEE A EE 61 MCT 10 Set Up Software eese nennt eentennttenncn 58 Minimum reference eene nte ttententant 60 61 Modbus comnmubticatiOLi ete eerie MEI HR PERO 66 exception codes 76 RTU e ADERSON rete E SR ete eee egest O 72 RTIU OVetVIBW eicscteiseriscestocestisietiseeettose Los ees eben a tos dert eeo rtt ape ed 71 Moment of inertia eerte tte sten 25 Motor Cabl sea o a eR o RR RAT E 47 CONNECCLON icis co nS e HORIS EHE EA 46 taP dr Inieece our 60 directi Ofaa diat ira ada Dina aa 59 frequericy conet e Re NR e vetet 60 name plateas ie tdi added eee aa 53 name plate data 53 nominal speed 60 output U V W 86 phases 24 power 60 Protectio a S 55 86 thermal Protection c ssccsscsssccsssssseesseessseesssssssecsseecssecsneessees 82 25 MICI rasitidahs 60 Motor generated over voltage ss 25 VLT Micro Drive FC 51 Design Guide N Name plate data ecssssssssssssessssssssssssscssesssecssecssssssssessesseseessssees 53 Navigation keys eese tttenttttnnnttnnnctnn 26 59 Network COMPILATION m 72 CORIDneCtlon espe e pa cette te nem ete aca 65 O Operation keys tertie tuse 59 26 Options and accesso
126. telegram length is the number of data bytes plus the address byte ADR and the data control byte BCC 4 data bytes 12 data bytes LGE 4 1 1 6 bytes LGE 12 1 1 14 bytes 10 n bytes Telegramscontaining texts Table 8 4 Length of Telegrams 1 The 10 represents the fixed characters while the n is variable depending on the length of the text MG02K302 Rev 2013 12 03 67 Darfi RS 485 Installation and Set VLT Micro Drive FC 51 Design Guide 8 4 4 Frequency Converter Address ADR 8 4 5 Data Control Byte BCC Address format 1 126 The checksum is calculated as an XOR function Before the first byte in the telegram is received the calculated Bit 7 1 address format 1 126 active checksum is 0 Bit 0 6 frequency converter address 1 126 Bit 0 6 0 Broadcast The follower returns the address byte unchanged to the master in the response telegram 8 4 6 The Data Field The structure of data blocks depends on the type of telegram There are 3 telegram types and the type applies for both control telegrams master gt follower and response telegrams follower gt master The 3 types of telegram are Process block PCD The PCD is made up of a data block of 4 bytes 2 words and contains e Control word and reference value from master to follower Status word and present output frequency from follower to master ADR PCD1 PCD2 BCC 130BA269 10 Illustration 8 6 Process Block P
127. ter controls local reference 7 2 Status Menu After power up the Status Menu is active Press Menu to toggle between Status Quick Menu and Main Menu 4 and Y toggles between the choices in each menu The display indicates the status mode with a small arrow above Status 130BA466 10 783 50 0 E ah Quick Main Menu Menu Poma t Illustration 7 8 Indicating Status Mode 7 3 Quick Menu The Quick Menu gives easy access to the most frequently used parameters 1 To enter the Quick Menu press Menu key until indicator in display is placed above Quick Menu 2 Press 4 Y to select either OM1 or QM2 then press OK MG02K302 Rev 2013 12 03 59 Programming 3 Press 4 Y to browse through the parameters in the Quick Menu 4 Press OK to select a parameter 5 Press 4 v to change the value of a parameter setting 6 Press OK to accept the change 7 To exit press either Back twice to enter Status or press Menu once to enter Main Menu 38 500 Status Quick Main Menu Menu 130BA464 10 Menu VE S Illustration 7 9 Indicating Quick Menu Mode 7 4 Quick Menu Parameters 7 4 1 Quick Menu Parameters Basic Settings QM1 Below are descriptions of all parameters found in the Quick Menu Factory setting 1 20 Motor Power kW HP Pm n Option Function
128. the rated value the motor must 10 50 C be supplied with additional air cooling or a motor 0 E 5 EE a dee 120 44 eee designed for this type of operation may be used Illustration 4 41 M4 400 V EN An alternative is to reduce the load level of the motor by choosing a larger motor However the design of the frequency converter puts a limit to the motor size 38 MG02K302 Rev 2013 12 03 How to Order VLT Micro Drive FC 51 Design Guide 5 How to Order 5 1 Drive Configurator It is possible to design a frequency converter according to the application requirements by using the ordering number system Frequency converters can be ordered as standard or with internal options by using a type code string that is FCO51PXXXXXXXXHXXXXXXXSXXX Use the Internet based Drive Configurator to configure the right frequency converter for the right application and generate the type code string The Drive Configurator automatically generates an 8 digit sales number either for one product or a project list with several products to be delivered to your local sales office The Drive Configurator can be found on www danfoss com drives 5 2 FC Identification The nameplate sticker is located on the top of each frequency converter and shows the ratings serial number warnings catalog number and other relevant data for each unit See Table 5 2 for details how to read the type code string Micro Drive a A H T C FC 051
129. time ie 7096 of the frequency converter anne 50 40 E M1 200 V e 30 40C lout 8 2096 E 1096 45 C 11096 e 50 C 190 i 0 2 4 6 8 10 12 14 16f Kia 9096 SW Z 8096 Illustration 4 37 M2 400 V 70 60 50 40 40 C 30 A M3 200 V 2 P lout 96 a 20 45 C ba Y 10 110 S 0 soc 100 2 0 2 4 6 8 10 12 14 16 fsw kHz 9096 9 Illustration 4 34 M1 200 V 802 70 60 50 40 40 C A M1 400 V e 3096 lout 96 amp 2096 i 1096 45 C 11096 E E 50 C 100 2 0 l l on 0 2 4 6 8 10 1 14 16 fwkHZ 8096 Illustration 4 38 M3 200 V 7096 6096 5096 4096 3096 40 C 20 10 45 C 0 50 t gt 0 2 4 6 8 10 12 14 16 fsw kHz Illustration 4 35 M1 400 V MG02K302 Rev 2013 12 03 37 Darfi Selection VLT Micro Drive FC 51 Design Guide 4 2 3 Derating for Low Air Pressure M3 400 V lout haj Q The cooling capability of air is decreased at low air 110 100 8 pressure 90 80 For altitudes above 2 000 m contact Danfoss regarding mu PELV 5096 4096 M ke i Below 1 000 m altitude no de rating is necessary but o 40 2096 above 1 000 m the ambient temperature or the maximum 1096 J 45 C output current should be decreased 50 gt 0 3 E o ae A Es Ro Decrease the outpu
130. tions executed when the associated user defined events are evaluated as true by the SLC Thermistor A temperature dependent resistor placed where the temperature is to be monitored frequency converter or motor STW Status Word FC Standard Bus Includes RS 485 bus with FC protocol See 8 30 Protocol Trip A state entered in fault situations e g if the frequency converter is subject to an over temperature or when the frequency converter is protecting the motor process or mechanism Restart is prevented until the cause of the fault has disappeared and the trip state is canceled by activating reset or in some cases by being programmed to reset automatically Trip may not be used for personal safety MG02K302 Rev 2013 12 03 7 Introduction VLT Micro Drive FC 51 Design Guide Trip Locked A state entered in fault situations when the frequency converter is protecting itself and requiring physical intervention for example if the frequency converter is subject to a short circuit on the output A locked trip can only be canceled by cutting off mains removing the cause of the fault and reconnecting the frequency converter Restart is prevented until the trip state is canceled by activating reset or in some cases by being programmed to reset automatically Trip locked may not be used for personal safety VT Characteristics Variable torque characteristics used for pumps and fans VVCPlus If compared with standard volt
131. tom e Mount the frequency converter on the front of the line filter using 3 M4 bolts 130BC159 10 Illustration 4 30 Line Filter with Frequency Converter e Ensure metal to metal contact between filter and frequency converter NOTIC Metal to metal contact improves EMC performance and enables the baseplate of the frequency converter to function as heat sink for the line filter 2 Side mounting e Mount the filter side by side with the frequency converter There is no requirement for spacing between filter and frequency converter e Mount the back of the line filter to a cooling surface such as a metal wall Alternatively derate the line filter by one size For example use a 0 75 kW line filter with a 0 37 kW Micro Drive ACAUTION High temperatures Risk of fire or device damage e Do not mount the line filter in close proximity to other heating elements or heat sensitive material such as wood VLT Micro Drive FC 51 Design Guide 4 1 17 Wiring AWARNING Risk of electrical shock due to high leakage currents e Do not power up the line filter before it is connected to protective earth PE 1 Connect line filter to protective earth PE Use a cabinet mounting panel or similar to achieve optimum earthing conditions 2 Connect input terminal to mains power cable not supplied 3 Connect output cable to the input terminals of the frequency
132. us injury e Installation start up and maintenance must be performed by qualified personnel only AWARNING UNINTENDED START When the frequency converter is connected to AC mains the motor may start at any time causing risk of death serious injury equipment or property damage The motor can start by means of an external switch a serial bus command an input reference signal from the LCP or LOP via remote operation using MCT 10 software or after a cleared fault condition e Disconnect the frequency converter from mains whenever personal safety considerations make it necessary to avoid unintended motor start e Press Off Reset on the LCP before programming parameters e The frequency converter motor and any driven equipment must be in operational readiness when the frequency converter is connected to AC mains MG02K302 Rev 2013 12 03 VLT Micro Drive FC 51 Design Guide AWARNING DISCHARGE TIME The frequency converter contains DC link capacitors which can remain charged even when the frequency converter is not powered Failure to wait the specified time after power has been removed before performing service or repair work could result in death or serious injury 1 Stop motor 2 Disconnect AC mains permanent magnet type motors and remote DC link power supplies including battery back ups UPS and DC link connections to other frequency converters 3 Wait for the capacitors to discharge fully
133. zero that is register 1 is addressed as 0 Example of a request to preset 2 registers set 1 24 Motor Current to 738 7 38 A Field Name Example hex Follower Address Function Starting Address HI Starting Address LO No of Registers HI No of registers LO Byte Count Write Data HI Register 4 1049 Write Data LO Register 4 1049 Write Data HI Register 4 1050 Write Data LO Register 4 1050 Error Check CRC Table 8 31 Query Response The normal response returns the follower address function code starting address and quantity of registers preset Field Name Example hex Follower Address Function Starting Address HI Starting Address LO No of Registers HI No of registers LO Error Check CRC Table 8 32 Response 8 11 FC Drive Control Profile 8 11 1 Control Word According to FC Profile 8 10 Protocol FC profile Modbus Holding Register numbers for Input data CTW and REF and Output data STW and MAV are defined in Table 8 33 50000 Input data Frequency converter Control Word register CTW 50010 Input data Bus Reference register REF 50200 Output data Frequency converter Status Word register STW 50210 Output data Frequency converter Main Value register MAV Table 8 33 Modbus Holding Register Numbers for Input and Output Data In VLT Micro Drives after the software version 2 32 the new feature has been implemented by copying the Input

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