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9.5

Protection Circuits

Typical Single-phase Protection

Typical Three-phase Protection

NOTES
1 Screening and filtering for EMC is omitted

for clarity.

2 Observe correct polarity and connections.

KEY
DBR Braking resistor

F Control circuit fuses

O/L Series-connected thermal overload sensor
RTS Resistor temperature sensor
TT

Thermal trip switch

CAUTION When using an external braking resistor, it is essential that a series-connected

thermal overload trip circuit is installed and that it opens the main power supply switch
if a braking overload occurs.

Single-phase Supply System

INPUT

CONTACTOR

VXSxx-1

INVERTER

O/L

DBR

RTS

(+)

P24

THR

O/L

DBR

RTS

Three-phase Supply System

INPUT

CONTACTOR

VXSxx-3

INVERTER

(+)

THR

P24

Содержание Jaguar VXS

Страница 1: ......

Страница 2: ...Notes call attention to information that is especially significant in under standing and operating the equipment Documentation Every effort has been made by IMO Precision Controls Ltd to ensure that t...

Страница 3: ...2 Power Circuits 11 5 3 Control Circuits 12 5 4 Terminals Functions List 14 5 5 Control Circuits and Terminals 15 6 Keypad Functions 16 6 1 Keypad 16 6 2 Keypad Procedures 16 7 Inverter Functions 21...

Страница 4: ...ly onto the floor It should always be placed on a stand or shelf If the inverter is being stored in a less than ideal environment cover it with a plastic sheet for protection If there is a likelihood...

Страница 5: ...0 to 10 10 to 15 Variations Imbalance Max 3 of line to line voltage Frequency 5 to 5 2 3 Output Frequency Single phase Input Three phase Input Max frequency Hz 0 2Hz to 400Hz Base freq setting range H...

Страница 6: ...lse O P At terminal FMP O P frequency multiplying factor adjustable from 10 to 100 Accel Decel Time 0 01 to 3600s There are two independently adjustable sets of accelera tion and deceleration times Ch...

Страница 7: ...e following levels Single phase inverters 200V DC Three phase inverters 400V DC Overtemperature trip Temperature detection of inverter hardware Output short circuit trip Inverter output circuit factor...

Страница 8: ...ter heatsink normally 90oC 194oF The fixing bolts should be used with nuts or washers that will resist vibration Do not overtighten the fixing bolts 4 4 Cooling and Ventilation For inverter heat losse...

Страница 9: ...overs are fitted to the sides of the inverter Normally these should be left in place If the ambient temperature of the installation is likely to exceed 40oC these covers should be removed The temperat...

Страница 10: ...8 140 5 6 6 6 6 Dimensions in mm 138 150 2 holes 5mm 46 6 109 75 Removable side cover PANEL CONTROL PRG MODE RUN Hz A V r min m min PRG RESET RUN FUNC DATA STOP 30 30 188 200 5 6 6 6 6 Dimensions in m...

Страница 11: ...m 138 150 86 6 115 149 Centrelines of 3 cable entry holes 22mm dia 2 holes 5mm Removable side cover Keypad and Drilling Pattern for Remote Mounting Dimensions in mm PANEL CONTROL PRG MODE RUN Hz A V r...

Страница 12: ...ed on page 3 or the inverter will be damaged and the Warranty will be invalidated 5 1 Power Connection Block Diagrams These diagrams are not suitable for Electromagnetic Compatibility EMC refer to pag...

Страница 13: ...rrectly set The inverter automatically protects the power output circuit against short circuit and earth faults The installation of any type of automatic or semi automatic switchgear in the inverter o...

Страница 14: ...to terminal P24 Function 02 cannot be changed To reverse the direction of motor rotation in key pad mode link terminal P24 to REV instead of FWD as shown in the diagram above Control Terminal Block al...

Страница 15: ...rter end only as shown below If an external process con troller or PLC is used it is recommended that the screening should be connected at the end remote from the inverter Suppression of Control Circu...

Страница 16: ...pot X1 P24 closed accel time 1 Function 06 X2 P24 open decel time 1 Function 07 X1 X2 X3 Preset frequency select Terminals enable 7 different frequencies to be preset X4 Auxiliary control input Four...

Страница 17: ...M FMA FMP C1 NOTE 1 Data in applies to 3 phase inverters CAUTION Do not short circuit terminal P24 to either 11 or CM Damage may result NOTES 1 Terminal DB not available for VXS20 1 2 Input to termina...

Страница 18: ...o that mode by the standard link applied to terminal P24 FWD If it is desired to oper ate the inverter in Terminal Mode this link must first be removed before either Function 01 or Function 02 can be...

Страница 19: ...elerate in the time set in Functions 06 and 07 It will decelerate when the STOP key is pressed whether it has reached full speed or not and re accelerate when the RUN key is pressed whether it has rea...

Страница 20: ...RG RESET key resets the inverter Refer to Chapter 8 FUNC DATA key RUN mode or STOP mode The Function Data key calls up the Data of the Function selected in PROGRAM mode For the explanation of procedur...

Страница 21: ...RUN Hz A V r min m min to move to next Function Or PRESS and HOLD to scroll forwards At F 79 the sequence continues from F 00 Or PRESS and HOLD to scroll backwards At F 00 the sequence continues from...

Страница 22: ...d Present data value To STORE the data and go to the next Function FUNC DATA PRESS NOTE All custom data will be lost PRESS FUNC DATA PRESS Select Present data value and STOP New data value To RESTORE...

Страница 23: ...n time 1 0 to 3600 0 00 to 9 99 s 0 01 6 00 07 Deceleration time 1 0 to 3600 10 0 to 99 9 s 0 1 6 00 100 to 999 1 for Acc Dec 2 see F63 64 1000 to 3600 10 08 Torque boost 1 0 Automatic torque boost 1...

Страница 24: ...0 0 2Hz 19 DC injection braking 0 to 100 1 50 level Percent of inverter rated current 20 DC injection braking 0 to 30 0 00 to 9 99 s 0 01 0 5 time 10 0 to 30 0 1 21 Preset speed 1 0 to 400 0 00 to 99...

Страница 25: ...y limiter low 0 to 400 Hz 1 0 38 O P current stability 0 to 10 1 5 39 Data initialisation 0 Hold custom settings 0 1 Reinstate factory set default values 40 Terminals FMA FMP 0 FMA output analog signa...

Страница 26: ...57 Terminal THR 0 THR external trip function 0 function 1 Data protection lock 58 Skip frequency 0 to 30 Hz 1 3 hysteresis 59 Skip frequency 1 0 to 400 Hz 1 0 60 Skip frequency 2 0 to 400 Hz 1 0 61 S...

Страница 27: ...oad current 1 Motor 1 0 01 to 99 9 0 01 to 9 99 A 0 01 10 0 to 99 9 0 1 73 Rated current 2 Motor 2 0 01 to 99 9 0 01 to 9 99 A 0 01 10 0 to 99 9 0 1 Default factory set at rated current for a 4 pole s...

Страница 28: ...ges 14 and 15 NOTE If both a voltage and a current input reference signal are applied the input reference is the sum of the two Motorised pot mode When Function 01 2 or 3 the inverter responds to comm...

Страница 29: ...1Hz Frequency output may also be controlled by the Frequency limiter high Function 36 For Motor 1 only Refer also to Function 62 The output voltage and frequency of the inverter are proportional up to...

Страница 30: ...ortional characteristic 3 Low linear boost increasing in unit steps to 31 High linear boost Adjusts the DC analog maximum voltage out put at terminal FMA in the range from approx 6 5V to approx 10 5V...

Страница 31: ...dicate an LU undervoltage trip when the voltage is restored 2 Active The motor restarts at the same output frequency as when the trip occurred 3 Active The motor restarts at starting frequency Functio...

Страница 32: ...in accordance with the settings of Functions 18 19 and 20 Sets the frequency in terms of inverter output frequency at which DC injection braking will be applied Function 18 0 starts braking at 0 2Hz...

Страница 33: ...f to eliminate shocks to loads Jaguar VXS inverters offer lin ear acceleration and two versions of an S ramp as shown in the diagram above 0 S ramp inactive factory set default Acceleration and decele...

Страница 34: ...80 180 The purpose of this Function is to prevent over loading of the braking circuit Set as follows 0 When an external braking circuit is not used or is not available 1 Set to this value when install...

Страница 35: ...o the reference after the gain The bias frequency fbias and gain fgain are cal culated from the following expressions where V1 V2 f1 f2 are as shown in the diagram fbias f1 V1 f1 f2 V1 V2 fgain 1000 f...

Страница 36: ...s the STOP and keys simultaneously the display will change to 1 The press the FUNC DATA key to acti vate the initialisation All custom data will be lost Refer to page 20 An output can be taken from ei...

Страница 37: ...UN inputs are latched when a pulsed signal is given at FWD REV P24 These Functions can be activated only if Function 43 1 All selections using terminals X1 X2 and X3 remain available with the addition...

Страница 38: ...ter momentary power loss IP Sets the frequency level in Hz at which the FDT signal is activated during acceleration During deceleration the signal deactivates at the FDT level minus the hysteresis set...

Страница 39: ...cies can be set so that during acceleration and deceleration the inverter out put jumps from one level to another to avoid any frequencies that give rise to mechanical resonance The hysteresis bandwid...

Страница 40: ...s Accel time 2 and Decel time 2 and also Functions 62 65 66 and 67 automatically For Motor 2 only Refer also to Function 08 The factory set default value of Function 65 is 13 Automatic boost equivalen...

Страница 41: ...r FLC 4 8A Setting for Function 67 4 8 Check Motor FLC 4 8 0 533 or 53 3 Inverter FLC 9 0 which is within the range of 20 105 of inverter FLC and the motor is protected Example 2 For a VXS400 3 4kW in...

Страница 42: ...ted by the inverter software in accordance with load conditions The voltage vector is controlled to the optimum value based on the result of the calculation Torque vector control can only be used for...

Страница 43: ...tuning may be unsuccessful and manual tuning will be required if a the motor line is open circuited b the motor line length is 50m c output inductors are fitted Motor 1 only Setting range 0 00 to 50 0...

Страница 44: ...Xcable is insignificant in relation to the other values in this example and could be ignored Calculation of motor X In the following expression X X2 XM X2 XM X1 Xcable x 100 V 3 I Substitute the valu...

Страница 45: ...tion 79 is used to configure the inverter correctly when one of the following options is installed 0 No options 1 DI option card 2 DI O option card 3 RS option card For details of options please refer...

Страница 46: ...the power supply 8 3 Trip Alarm Codes OC1 Overcurrent trip during acceleration OC2 Overcurrent trip during deceleration OC3 Overcurrent trip at steady speed Protects the inverter against momentary ove...

Страница 47: ...unction 08 or 65 Malfunction of inverter possibly noise Consult IMO Reduce load or increase inverter size Malfunction of inverter possibly noise Consult IMO Malfunction of inverter possibly noise Cons...

Страница 48: ...starting current demand on system YES NO Increase the capacity of the supply Are the supply cable cross sections correct YES NO Increase the size of the supply cables Consult IMO NOTE Because supply...

Страница 49: ...verter possibly noise Consult IMO Can switching freq Function 12 be reduced YES NO Reduce the value of Function 12 Can torque boost Function 08 or 65 be reduced YES NO Reduce the value of Function 08...

Страница 50: ...ly noise Consult IMO Are cooling fans operating YES Change cooling fans or consult IMO Are cooling ports obstructed YES NO Remove blockage Is ambient temp 50oC YES NO Increase capacities of enclosure...

Страница 51: ...uced YES NO Is dynamic braking in use YES Raise set point of Function 07 or 64 Use a dynamic braking resistor OU1 OU2 or OU3 trip during accel decel or steady state Are line voltage transients present...

Страница 52: ...data appear on digital display YES Eliminate R F noise Disconnect the power supply Wait until CRG LED extinguishes Reconnect supply NO YES NO Is all wiring correctly screened and terminated YES Invert...

Страница 53: ...ip Rectify Open circuit BX P24 NO Is circuit BX P24 CLOSED YES Reconnect NO Is keypad panel connector disconnected YES Recommence tuning Do not operate any key or control circuit during tuning NO YES...

Страница 54: ...ion command from keypad or terminals NO Is a FWD or a REV command given NO YES Does motor operate if RUN key is pressed Inverter is normal YES Is the voltage at the power input terminals correct NOTE...

Страница 55: ...rotor locked NO Is a motor brake installed YES Release brake NO YES Check Functions 30 36 and 37 and set correctly Are upper Hz limit and input Hz reference below starting Hz NOTES 1 If an external no...

Страница 56: ...ES Motor overheating Change set points of Functions 04 or 62 05 and 08 or 65 Malfunction of motor NO Is load too high YES Increase motor and inverter frame sizes NO Is output U V W voltage balanced YE...

Страница 57: ...d in rpm the inertia of the motor and load JM JL the deceleration rate t The rating of the resistor will depend on the duty cycle illustrated above 9 2 Overhauling Loads The braking components may be...

Страница 58: ...system inertia JT JT JM JL 0 2085 kg m2 and required braking torque Mb JT x 0 2085 x 148 7 15 5 Nm t 2 Motor braking torque MM Mb MR 15 01 Nm Instantaneous braking power Pb MM x N 15 01 x 148 7 2232...

Страница 59: ...r RTS Resistor temperature sensor TT Thermal trip switch CAUTION When using an external braking resistor it is essential that a series connected thermal overload trip circuit is installed and that it...

Страница 60: ...although the less arduous option of EN50081 2 would be adequate for industri al applications Reference must however be made to the EC Declaration of Conformity for precise details as there are differ...

Страница 61: ...to earth at both ends as shown in the diagram right Segregate power cables from control wiring by at least 300mm Avoid parallel cable runs to minimise noise coupling Wherever runs of power and contro...

Страница 62: ...s the effec tive leakage is 3 5mA nominal at 50Hz LINE LOAD Single Phase RFI Filter H W Y X L 2 earthing studs M4 L N L N LINE LOAD PE PE Inverter fixings 2 or 4 holes Z PE PE PE PE WARNING The RF fil...

Страница 63: ...ective leakage is 0 5mA nominal at 50Hz At power on how ever or if one phase fails the leakage current may be up 40mA LINE LOAD Single Phase RFI Filter H W Y X L 2 earthing studs M4 L1 L1 LINE LOAD PE...

Страница 64: ...on the diagram Continuity Testing of Control Circuits Use a high resistance tester not a megger or a buzzer Connections for insulation testing L1 L2 L3 P1 DB U V W VXS Inverters 1 phase 3 phase power...

Страница 65: ...applies only to installations NOT equipped with motor line reactors 3 The length of motor cable may be extended by the installation of motor line reactors 4 Longer cables without motor line reactors c...

Страница 66: ...81 112 153 4 4 0 25 46 60 87 139 53 69 87 118 168 5 5 0 26 46 61 89 142 56 75 94 125 183 6 6 0 26 47 63 91 145 59 80 100 132 198 7 7 0 27 47 64 93 148 62 86 106 138 213 8 8 0 27 47 65 95 151 65 92 11...

Страница 67: ...order number is provided along with details of the failed unit Replacements will be despatched at IMO s cost and credit will be issued upon receipt of the failed unit in good physical condition Full...

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